max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'main' of https://github.com/embassy-rs/embassy into hrtim

Browse Source
This commit is contained in:
xoviat 2023-07-22 14:49:31 -05:00
commit d42dff45de
217 changed files with 6491 additions and 1635 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
.gitattributes vendored Normal file
View File

@ -0,0 +1,41 @@
* text=auto
*.adoc text
*.html text
*.in text
*.json text
*.md text
*.proto text
*.py text
*.rs text
*.service text
*.sh text
*.toml text
*.txt text
*.x text
*.yml text
*.raw binary
*.bin binary
*.png binary
*.jpg binary
*.jpeg binary
*.gif binary
*.ico binary
*.mov binary
*.mp4 binary
*.mp3 binary
*.flv binary
*.fla binary
*.swf binary
*.gz binary
*.zip binary
*.7z binary
*.ttf binary
*.eot binary
*.woff binary
*.pyc binary
*.pdf binary
*.ez binary
*.bz2 binary
*.swp binary

17
.github/ci/crlf.sh vendored Executable file
View File

@ -0,0 +1,17 @@
#!/bin/bash
## on push branch~=gh-readonly-queue/main/.*
## on pull_request
set -euo pipefail
FILES_WITH_CRLF=$(find ! -path "./.git/*" -not -type d | xargs file -N | (grep " CRLF " || true))
if [ -z "$FILES_WITH_CRLF" ]; then
echo -e "No files with CRLF endings found."
exit 0
else
NR_FILES=$(echo "$FILES_WITH_CRLF" | wc -l)
echo -e "ERROR: Found ${NR_FILES} files with CRLF endings."
echo "$FILES_WITH_CRLF"
exit "$NR_FILES"
fi

52
.github/ci/doc.sh vendored
View File

@ -6,7 +6,7 @@ set -euo pipefail
export RUSTUP_HOME=/ci/cache/rustup
export CARGO_HOME=/ci/cache/cargo
export CARGO_TARGET_DIR=/ci/cache/target
export BUILDER_THREADS=6
export BUILDER_THREADS=4
export BUILDER_COMPRESS=true
# force rustup to download the toolchain before starting building.
@ -15,30 +15,32 @@ export BUILDER_COMPRESS=true
# which makes rustup very sad
rustc --version > /dev/null
docserver-builder -i ./embassy-stm32 -o crates/embassy-stm32/git.zup
docserver-builder -i ./embassy-boot/boot -o crates/embassy-boot/git.zup
docserver-builder -i ./embassy-boot/nrf -o crates/embassy-boot-nrf/git.zup
docserver-builder -i ./embassy-boot/rp -o crates/embassy-boot-rp/git.zup
docserver-builder -i ./embassy-boot/stm32 -o crates/embassy-boot-stm32/git.zup
docserver-builder -i ./embassy-embedded-hal -o crates/embassy-embedded-hal/git.zup
docserver-builder -i ./embassy-executor -o crates/embassy-executor/git.zup
docserver-builder -i ./embassy-futures -o crates/embassy-futures/git.zup
docserver-builder -i ./embassy-lora -o crates/embassy-lora/git.zup
docserver-builder -i ./embassy-net -o crates/embassy-net/git.zup
docserver-builder -i ./embassy-net-driver -o crates/embassy-net-driver/git.zup
docserver-builder -i ./embassy-net-driver-channel -o crates/embassy-net-driver-channel/git.zup
docserver-builder -i ./embassy-nrf -o crates/embassy-nrf/git.zup
docserver-builder -i ./embassy-rp -o crates/embassy-rp/git.zup
docserver-builder -i ./embassy-sync -o crates/embassy-sync/git.zup
docserver-builder -i ./embassy-time -o crates/embassy-time/git.zup
docserver-builder -i ./embassy-usb -o crates/embassy-usb/git.zup
docserver-builder -i ./embassy-usb-driver -o crates/embassy-usb-driver/git.zup
docserver-builder -i ./embassy-usb-logger -o crates/embassy-usb-logger/git.zup
docserver-builder -i ./cyw43 -o crates/cyw43/git.zup
docserver-builder -i ./cyw43-pio -o crates/cyw43-pio/git.zup
docserver-builder -i ./embassy-net-w5500 -o crates/embassy-net-w5500/git.zup
docserver-builder -i ./embassy-stm32-wpan -o crates/embassy-stm32-wpan/git.zup
docserver-builder -i ./embassy-stm32 -o webroot/crates/embassy-stm32/git.zup
docserver-builder -i ./embassy-boot/boot -o webroot/crates/embassy-boot/git.zup
docserver-builder -i ./embassy-boot/nrf -o webroot/crates/embassy-boot-nrf/git.zup
docserver-builder -i ./embassy-boot/rp -o webroot/crates/embassy-boot-rp/git.zup
docserver-builder -i ./embassy-boot/stm32 -o webroot/crates/embassy-boot-stm32/git.zup
docserver-builder -i ./embassy-embedded-hal -o webroot/crates/embassy-embedded-hal/git.zup
docserver-builder -i ./embassy-executor -o webroot/crates/embassy-executor/git.zup
docserver-builder -i ./embassy-futures -o webroot/crates/embassy-futures/git.zup
docserver-builder -i ./embassy-lora -o webroot/crates/embassy-lora/git.zup
docserver-builder -i ./embassy-net -o webroot/crates/embassy-net/git.zup
docserver-builder -i ./embassy-net-driver -o webroot/crates/embassy-net-driver/git.zup
docserver-builder -i ./embassy-net-driver-channel -o webroot/crates/embassy-net-driver-channel/git.zup
docserver-builder -i ./embassy-nrf -o webroot/crates/embassy-nrf/git.zup
docserver-builder -i ./embassy-rp -o webroot/crates/embassy-rp/git.zup
docserver-builder -i ./embassy-sync -o webroot/crates/embassy-sync/git.zup
docserver-builder -i ./embassy-time -o webroot/crates/embassy-time/git.zup
docserver-builder -i ./embassy-usb -o webroot/crates/embassy-usb/git.zup
docserver-builder -i ./embassy-usb-driver -o webroot/crates/embassy-usb-driver/git.zup
docserver-builder -i ./embassy-usb-logger -o webroot/crates/embassy-usb-logger/git.zup
docserver-builder -i ./cyw43 -o webroot/crates/cyw43/git.zup
docserver-builder -i ./cyw43-pio -o webroot/crates/cyw43-pio/git.zup
docserver-builder -i ./embassy-net-w5500 -o webroot/crates/embassy-net-w5500/git.zup
docserver-builder -i ./embassy-net-esp-hosted -o webroot/crates/embassy-net-esp-hosted/git.zup
docserver-builder -i ./embassy-stm32-wpan -o webroot/crates/embassy-stm32-wpan/git.zup --output-static webroot/static
export KUBECONFIG=/ci/secrets/kubeconfig.yml
POD=$(kubectl -n embassy get po -l app=docserver -o jsonpath={.items[0].metadata.name})
kubectl cp crates $POD:/data
kubectl cp webroot/crates $POD:/data
kubectl cp webroot/static $POD:/data

4
ci.sh
View File

@ -5,10 +5,6 @@ set -euo pipefail
export RUSTFLAGS=-Dwarnings
export DEFMT_LOG=trace,embassy_net_esp_hosted=debug,cyw43=info,cyw43_pio=info,smoltcp=info
# needed by wifi examples
export WIFI_NETWORK=x
export WIFI_PASSWORD=x
TARGET=$(rustc -vV | sed -n 's|host: ||p')
BUILD_EXTRA=""

4
cyw43/Cargo.toml
View File

@ -11,7 +11,7 @@ log = ["dep:log"]
firmware-logs = []
[dependencies]
embassy-time = { version = "0.1.0", path = "../embassy-time"}
embassy-time = { version = "0.1.2", path = "../embassy-time"}
embassy-sync = { version = "0.2.0", path = "../embassy-sync"}
embassy-futures = { version = "0.1.0", path = "../embassy-futures"}
embassy-net-driver-channel = { version = "0.1.0", path = "../embassy-net-driver-channel"}
@ -24,7 +24,7 @@ cortex-m = "0.7.6"
cortex-m-rt = "0.7.0"
futures = { version = "0.3.17", default-features = false, features = ["async-await", "cfg-target-has-atomic", "unstable"] }
embedded-hal-1 = { package = "embedded-hal", version = "1.0.0-alpha.10" }
embedded-hal-1 = { package = "embedded-hal", version = "1.0.0-alpha.11" }
num_enum = { version = "0.5.7", default-features = false }
[package.metadata.embassy_docs]

2
cyw43/README.md
View File

@ -30,7 +30,7 @@ TODO:
### Example 2: Create an access point (IP and credentials in the code)
- `cargo run --release --bin wifi_ap_tcp_server`
### Example 3: Connect to an existing network and create a server
- `WIFI_NETWORK=MyWifiNetwork WIFI_PASSWORD=MyWifiPassword cargo run --release --bin wifi_tcp_server`
- `cargo run --release --bin wifi_tcp_server`
After a few seconds, you should see that DHCP picks up an IP address like this
```

20
cyw43/src/runner.rs
View File

@ -345,7 +345,9 @@ where
}
fn rx(&mut self, packet: &mut [u8]) {
let Some((sdpcm_header, payload)) = SdpcmHeader::parse(packet) else { return };
let Some((sdpcm_header, payload)) = SdpcmHeader::parse(packet) else {
return;
};
self.update_credit(&sdpcm_header);
@ -353,7 +355,9 @@ where
match channel {
CHANNEL_TYPE_CONTROL => {
let Some((cdc_header, response)) = CdcHeader::parse(payload) else { return; };
let Some((cdc_header, response)) = CdcHeader::parse(payload) else {
return;
};
trace!(" {:?}", cdc_header);
if cdc_header.id == self.ioctl_id {
@ -417,8 +421,12 @@ where
let status = event_packet.msg.status;
let event_payload = match evt_type {
Event::ESCAN_RESULT if status == EStatus::PARTIAL => {
let Some((_, bss_info)) = ScanResults::parse(evt_data) else { return };
let Some(bss_info) = BssInfo::parse(bss_info) else { return };
let Some((_, bss_info)) = ScanResults::parse(evt_data) else {
return;
};
let Some(bss_info) = BssInfo::parse(bss_info) else {
return;
};
events::Payload::BssInfo(*bss_info)
}
Event::ESCAN_RESULT => events::Payload::None,
@ -439,7 +447,9 @@ where
}
}
CHANNEL_TYPE_DATA => {
let Some((_, packet)) = BdcHeader::parse(payload) else { return };
let Some((_, packet)) = BdcHeader::parse(payload) else {
return;
};
trace!("rx pkt {:02x}", Bytes(&packet[..packet.len().min(48)]));
match self.ch.try_rx_buf() {

7
embassy-embedded-hal/Cargo.toml
View File

@ -15,15 +15,18 @@ target = "x86_64-unknown-linux-gnu"
std = []
# Enable nightly-only features
nightly = ["embassy-futures", "embedded-hal-async", "embedded-storage-async"]
time = ["dep:embassy-time"]
default = ["time"]
[dependencies]
embassy-futures = { version = "0.1.0", path = "../embassy-futures", optional = true }
embassy-sync = { version = "0.2.0", path = "../embassy-sync" }
embassy-time = { version = "0.1.2", path = "../embassy-time", optional = true }
embedded-hal-02 = { package = "embedded-hal", version = "0.2.6", features = [
"unproven",
] }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1", optional = true }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.11" }
embedded-hal-async = { version = "=0.2.0-alpha.2", optional = true }
embedded-storage = "0.3.0"
embedded-storage-async = { version = "0.4.0", optional = true }
nb = "1.0.0"

49
embassy-embedded-hal/src/adapter/blocking_async.rs
View File

@ -74,7 +74,21 @@ where
E: embedded_hal_1::spi::Error + 'static,
T: blocking::spi::Transfer<u8, Error = E> + blocking::spi::Write<u8, Error = E>,
{
async fn transfer<'a>(&'a mut self, read: &'a mut [u8], write: &'a [u8]) -> Result<(), Self::Error> {
async fn flush(&mut self) -> Result<(), Self::Error> {
Ok(())
}
async fn write(&mut self, data: &[u8]) -> Result<(), Self::Error> {
self.wrapped.write(data)?;
Ok(())
}
async fn read(&mut self, data: &mut [u8]) -> Result<(), Self::Error> {
self.wrapped.transfer(data)?;
Ok(())
}
async fn transfer(&mut self, read: &mut [u8], write: &[u8]) -> Result<(), Self::Error> {
// Ensure we write the expected bytes
for i in 0..core::cmp::min(read.len(), write.len()) {
read[i] = write[i].clone();
@ -83,38 +97,7 @@ where
Ok(())
}
async fn transfer_in_place<'a>(&'a mut self, _: &'a mut [u8]) -> Result<(), Self::Error> {
todo!()
}
}
impl<T, E> embedded_hal_async::spi::SpiBusFlush for BlockingAsync<T>
where
E: embedded_hal_1::spi::Error + 'static,
T: blocking::spi::Transfer<u8, Error = E> + blocking::spi::Write<u8, Error = E>,
{
async fn flush(&mut self) -> Result<(), Self::Error> {
Ok(())
}
}
impl<T, E> embedded_hal_async::spi::SpiBusWrite<u8> for BlockingAsync<T>
where
E: embedded_hal_1::spi::Error + 'static,
T: blocking::spi::Transfer<u8, Error = E> + blocking::spi::Write<u8, Error = E>,
{
async fn write(&mut self, data: &[u8]) -> Result<(), Self::Error> {
self.wrapped.write(data)?;
Ok(())
}
}
impl<T, E> embedded_hal_async::spi::SpiBusRead<u8> for BlockingAsync<T>
where
E: embedded_hal_1::spi::Error + 'static,
T: blocking::spi::Transfer<u8, Error = E> + blocking::spi::Write<u8, Error = E>,
{
async fn read(&mut self, data: &mut [u8]) -> Result<(), Self::Error> {
async fn transfer_in_place(&mut self, data: &mut [u8]) -> Result<(), Self::Error> {
self.wrapped.transfer(data)?;
Ok(())
}

47
embassy-embedded-hal/src/adapter/yielding_async.rs
View File

@ -69,54 +69,39 @@ where
type Error = T::Error;
}
impl<T> embedded_hal_async::spi::SpiBus<u8> for YieldingAsync<T>
impl<T, Word: 'static + Copy> embedded_hal_async::spi::SpiBus<Word> for YieldingAsync<T>
where
T: embedded_hal_async::spi::SpiBus,
{
async fn transfer<'a>(&'a mut self, read: &'a mut [u8], write: &'a [u8]) -> Result<(), Self::Error> {
self.wrapped.transfer(read, write).await?;
yield_now().await;
Ok(())
}
async fn transfer_in_place<'a>(&'a mut self, words: &'a mut [u8]) -> Result<(), Self::Error> {
self.wrapped.transfer_in_place(words).await?;
yield_now().await;
Ok(())
}
}
impl<T> embedded_hal_async::spi::SpiBusFlush for YieldingAsync<T>
where
T: embedded_hal_async::spi::SpiBusFlush,
T: embedded_hal_async::spi::SpiBus<Word>,
{
async fn flush(&mut self) -> Result<(), Self::Error> {
self.wrapped.flush().await?;
yield_now().await;
Ok(())
}
}
impl<T> embedded_hal_async::spi::SpiBusWrite<u8> for YieldingAsync<T>
where
T: embedded_hal_async::spi::SpiBusWrite<u8>,
{
async fn write(&mut self, data: &[u8]) -> Result<(), Self::Error> {
async fn write(&mut self, data: &[Word]) -> Result<(), Self::Error> {
self.wrapped.write(data).await?;
yield_now().await;
Ok(())
}
}
impl<T> embedded_hal_async::spi::SpiBusRead<u8> for YieldingAsync<T>
where
T: embedded_hal_async::spi::SpiBusRead<u8>,
{
async fn read(&mut self, data: &mut [u8]) -> Result<(), Self::Error> {
async fn read(&mut self, data: &mut [Word]) -> Result<(), Self::Error> {
self.wrapped.read(data).await?;
yield_now().await;
Ok(())
}
async fn transfer(&mut self, read: &mut [Word], write: &[Word]) -> Result<(), Self::Error> {
self.wrapped.transfer(read, write).await?;
yield_now().await;
Ok(())
}
async fn transfer_in_place(&mut self, words: &mut [Word]) -> Result<(), Self::Error> {
self.wrapped.transfer_in_place(words).await?;
yield_now().await;
Ok(())
}
}
///

126
embassy-embedded-hal/src/shared_bus/asynch/spi.rs
View File

@ -56,62 +56,6 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<M, BUS, CS> spi::SpiDeviceRead for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: spi::SpiBusRead,
CS: OutputPin,
{
async fn read_transaction(&mut self, operations: &mut [&mut [u8]]) -> Result<(), Self::Error> {
let mut bus = self.bus.lock().await;
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res: Result<(), BUS::Error> = try {
for buf in operations {
bus.read(buf).await?;
}
};
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush().await;
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
}
}
impl<M, BUS, CS> spi::SpiDeviceWrite for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: spi::SpiBusWrite,
CS: OutputPin,
{
async fn write_transaction(&mut self, operations: &[&[u8]]) -> Result<(), Self::Error> {
let mut bus = self.bus.lock().await;
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res: Result<(), BUS::Error> = try {
for buf in operations {
bus.write(buf).await?;
}
};
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush().await;
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
}
}
impl<M, BUS, CS> spi::SpiDevice for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
@ -129,6 +73,12 @@ where
Operation::Write(buf) => bus.write(buf).await?,
Operation::Transfer(read, write) => bus.transfer(read, write).await?,
Operation::TransferInPlace(buf) => bus.transfer_in_place(buf).await?,
#[cfg(not(feature = "time"))]
Operation::DelayUs(_) => return Err(SpiDeviceError::DelayUsNotSupported),
#[cfg(feature = "time")]
Operation::DelayUs(us) => {
embassy_time::Timer::after(embassy_time::Duration::from_micros(*us as _)).await
}
}
}
};
@ -172,64 +122,6 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<M, BUS, CS> spi::SpiDeviceWrite for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
BUS: spi::SpiBusWrite + SetConfig,
CS: OutputPin,
{
async fn write_transaction(&mut self, operations: &[&[u8]]) -> Result<(), Self::Error> {
let mut bus = self.bus.lock().await;
bus.set_config(&self.config);
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res: Result<(), BUS::Error> = try {
for buf in operations {
bus.write(buf).await?;
}
};
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush().await;
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
}
}
impl<M, BUS, CS> spi::SpiDeviceRead for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
BUS: spi::SpiBusRead + SetConfig,
CS: OutputPin,
{
async fn read_transaction(&mut self, operations: &mut [&mut [u8]]) -> Result<(), Self::Error> {
let mut bus = self.bus.lock().await;
bus.set_config(&self.config);
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res: Result<(), BUS::Error> = try {
for buf in operations {
bus.read(buf).await?;
}
};
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush().await;
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
}
}
impl<M, BUS, CS> spi::SpiDevice for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
@ -248,6 +140,12 @@ where
Operation::Write(buf) => bus.write(buf).await?,
Operation::Transfer(read, write) => bus.transfer(read, write).await?,
Operation::TransferInPlace(buf) => bus.transfer_in_place(buf).await?,
#[cfg(not(feature = "time"))]
Operation::DelayUs(_) => return Err(SpiDeviceError::DelayUsNotSupported),
#[cfg(feature = "time")]
Operation::DelayUs(us) => {
embassy_time::Timer::after(embassy_time::Duration::from_micros(*us as _)).await
}
}
}
};

120
embassy-embedded-hal/src/shared_bus/blocking/spi.rs
View File

@ -22,7 +22,7 @@ use core::cell::RefCell;
use embassy_sync::blocking_mutex::raw::RawMutex;
use embassy_sync::blocking_mutex::Mutex;
use embedded_hal_1::digital::OutputPin;
use embedded_hal_1::spi::{self, Operation, SpiBus, SpiBusRead, SpiBusWrite};
use embedded_hal_1::spi::{self, Operation, SpiBus};
use crate::shared_bus::SpiDeviceError;
use crate::SetConfig;
@ -48,58 +48,6 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDeviceRead for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: SpiBusRead,
CS: OutputPin,
{
fn read_transaction(&mut self, operations: &mut [&mut [u8]]) -> Result<(), Self::Error> {
self.bus.lock(|bus| {
let mut bus = bus.borrow_mut();
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res = operations.iter_mut().try_for_each(|buf| bus.read(buf));
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush();
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
})
}
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDeviceWrite for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: SpiBusWrite,
CS: OutputPin,
{
fn write_transaction(&mut self, operations: &[&[u8]]) -> Result<(), Self::Error> {
self.bus.lock(|bus| {
let mut bus = bus.borrow_mut();
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res = operations.iter().try_for_each(|buf| bus.write(buf));
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush();
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
})
}
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDevice for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
@ -116,6 +64,13 @@ where
Operation::Write(buf) => bus.write(buf),
Operation::Transfer(read, write) => bus.transfer(read, write),
Operation::TransferInPlace(buf) => bus.transfer_in_place(buf),
#[cfg(not(feature = "time"))]
Operation::DelayUs(_) => Err(SpiDeviceError::DelayUsNotSupported),
#[cfg(feature = "time")]
Operation::DelayUs(us) => {
embassy_time::block_for(embassy_time::Duration::from_micros(*us as _));
Ok(())
}
});
// On failure, it's important to still flush and deassert CS.
@ -199,58 +154,6 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDeviceRead for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
BUS: SpiBusRead + SetConfig,
CS: OutputPin,
{
fn read_transaction(&mut self, operations: &mut [&mut [u8]]) -> Result<(), Self::Error> {
self.bus.lock(|bus| {
let mut bus = bus.borrow_mut();
bus.set_config(&self.config);
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res = operations.iter_mut().try_for_each(|buf| bus.read(buf));
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush();
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
})
}
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDeviceWrite for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
BUS: SpiBusWrite + SetConfig,
CS: OutputPin,
{
fn write_transaction(&mut self, operations: &[&[u8]]) -> Result<(), Self::Error> {
self.bus.lock(|bus| {
let mut bus = bus.borrow_mut();
bus.set_config(&self.config);
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res = operations.iter().try_for_each(|buf| bus.write(buf));
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush();
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
})
}
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDevice for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
@ -268,6 +171,13 @@ where
Operation::Write(buf) => bus.write(buf),
Operation::Transfer(read, write) => bus.transfer(read, write),
Operation::TransferInPlace(buf) => bus.transfer_in_place(buf),
#[cfg(not(feature = "time"))]
Operation::DelayUs(_) => Err(SpiDeviceError::DelayUsNotSupported),
#[cfg(feature = "time")]
Operation::DelayUs(us) => {
embassy_time::block_for(embassy_time::Duration::from_micros(*us as _));
Ok(())
}
});
// On failure, it's important to still flush and deassert CS.

4
embassy-embedded-hal/src/shared_bus/mod.rs
View File

@ -30,11 +30,14 @@ where
/// Error returned by SPI device implementations in this crate.
#[derive(Copy, Clone, Eq, PartialEq, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
#[non_exhaustive]
pub enum SpiDeviceError<BUS, CS> {
/// An operation on the inner SPI bus failed.
Spi(BUS),
/// Setting the value of the Chip Select (CS) pin failed.
Cs(CS),
/// DelayUs operations are not supported when the `time` Cargo feature is not enabled.
DelayUsNotSupported,
}
impl<BUS, CS> spi::Error for SpiDeviceError<BUS, CS>
@ -46,6 +49,7 @@ where
match self {
Self::Spi(e) => e.kind(),
Self::Cs(_) => spi::ErrorKind::Other,
Self::DelayUsNotSupported => spi::ErrorKind::Other,
}
}
}

4
embassy-executor/Cargo.toml
View File

@ -61,8 +61,8 @@ log = { version = "0.4.14", optional = true }
rtos-trace = { version = "0.1.2", optional = true }
futures-util = { version = "0.3.17", default-features = false }
embassy-macros = { version = "0.2.0", path = "../embassy-macros" }
embassy-time = { version = "0.1.0", path = "../embassy-time", optional = true}
embassy-macros = { version = "0.2.0", path = "../embassy-macros" }
embassy-time = { version = "0.1.2", path = "../embassy-time", optional = true}
atomic-polyfill = "1.0.1"
critical-section = "1.1"
static_cell = "1.1"

3
embassy-executor/src/raw/mod.rs
View File

@ -165,6 +165,9 @@ impl<F: Future + 'static> TaskStorage<F> {
Poll::Ready(_) => {
this.future.drop_in_place();
this.raw.state.fetch_and(!STATE_SPAWNED, Ordering::AcqRel);
#[cfg(feature = "integrated-timers")]
this.raw.expires_at.set(Instant::MAX);
}
Poll::Pending => {}
}

2
embassy-hal-common/src/peripheral.rs
View File

@ -161,7 +161,7 @@ pub trait Peripheral: Sized {
}
}
impl<'b, T: Deref> Peripheral for T
impl<'b, T: DerefMut> Peripheral for T
where
T::Target: Peripheral,
{

9
embassy-lora/Cargo.toml
View File

@ -20,11 +20,11 @@ defmt = ["dep:defmt", "lorawan-device/defmt"]
defmt = { version = "0.3", optional = true }
log = { version = "0.4.14", optional = true }
embassy-time = { version = "0.1.0", path = "../embassy-time" }
embassy-time = { version = "0.1.2", path = "../embassy-time" }
embassy-sync = { version = "0.2.0", path = "../embassy-sync" }
embassy-stm32 = { version = "0.1.0", path = "../embassy-stm32", default-features = false, optional = true }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.11" }
embedded-hal-async = { version = "=0.2.0-alpha.2" }
embassy-hal-common = { version = "0.1.0", path = "../embassy-hal-common", default-features = false }
futures = { version = "0.3.17", default-features = false, features = [ "async-await" ] }
embedded-hal = { version = "0.2", features = ["unproven"] }
@ -32,3 +32,6 @@ bit_field = { version = "0.10" }
lora-phy = { version = "1" }
lorawan-device = { version = "0.10.0", default-features = false, features = ["async"] }
[patch.crates-io]
lora-phy = { git = "https://github.com/embassy-rs/lora-phy", rev = "ad289428fd44b02788e2fa2116445cc8f640a265" }

3
embassy-net-driver/src/lib.rs
View File

@ -164,6 +164,9 @@ pub enum Medium {
///
/// Examples of devices of this type are the Linux `tun`, PPP interfaces, VPNs in tun (layer 3) mode.
Ip,
/// IEEE 802_15_4 medium
Ieee802154,
}
impl Default for Medium {

12
embassy-net-esp-hosted/Cargo.toml
View File

@ -7,14 +7,20 @@ edition = "2021"
defmt = { version = "0.3", optional = true }
log = { version = "0.4.14", optional = true }
embassy-time = { version = "0.1.0", path = "../embassy-time" }
embassy-time = { version = "0.1.2", path = "../embassy-time" }
embassy-sync = { version = "0.2.0", path = "../embassy-sync"}
embassy-futures = { version = "0.1.0", path = "../embassy-futures"}
embassy-net-driver-channel = { version = "0.1.0", path = "../embassy-net-driver-channel"}
embedded-hal = { version = "1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
embedded-hal = { version = "1.0.0-alpha.11" }
embedded-hal-async = { version = "=0.2.0-alpha.2" }
noproto = { git="https://github.com/embassy-rs/noproto", default-features = false, features = ["derive"] }
#noproto = { version = "0.1", path = "/home/dirbaio/noproto", default-features = false, features = ["derive"] }
heapless = "0.7.16"
[package.metadata.embassy_docs]
src_base = "https://github.com/embassy-rs/embassy/blob/embassy-net-esp-hosted-v$VERSION/embassy-net-esp-hosted/src/"
src_base_git = "https://github.com/embassy-rs/embassy/blob/$COMMIT/embassy-net-esp-hosted/src/"
target = "thumbv7em-none-eabi"
features = ["defmt"]

12
embassy-net-esp-hosted/src/control.rs
View File

@ -54,7 +54,9 @@ impl<'a> Control<'a> {
})),
};
let resp = self.ioctl(req).await;
let proto::CtrlMsgPayload::RespConnectAp(resp) = resp.payload.unwrap() else { panic!("unexpected resp") };
let proto::CtrlMsgPayload::RespConnectAp(resp) = resp.payload.unwrap() else {
panic!("unexpected resp")
};
debug!("======= {:?}", Debug2Format(&resp));
assert_eq!(resp.resp, 0);
self.state_ch.set_link_state(LinkState::Up);
@ -71,7 +73,9 @@ impl<'a> Control<'a> {
)),
};
let resp = self.ioctl(req).await;
let proto::CtrlMsgPayload::RespGetMacAddress(resp) = resp.payload.unwrap() else { panic!("unexpected resp") };
let proto::CtrlMsgPayload::RespGetMacAddress(resp) = resp.payload.unwrap() else {
panic!("unexpected resp")
};
assert_eq!(resp.resp, 0);
// WHY IS THIS A STRING? WHYYYY
@ -100,7 +104,9 @@ impl<'a> Control<'a> {
payload: Some(proto::CtrlMsgPayload::ReqSetWifiMode(proto::CtrlMsgReqSetMode { mode })),
};
let resp = self.ioctl(req).await;
let proto::CtrlMsgPayload::RespSetWifiMode(resp) = resp.payload.unwrap() else { panic!("unexpected resp") };
let proto::CtrlMsgPayload::RespSetWifiMode(resp) = resp.payload.unwrap() else {
panic!("unexpected resp")
};
assert_eq!(resp.resp, 0);
}

4
embassy-net-esp-hosted/src/lib.rs
View File

@ -311,14 +311,14 @@ where
fn handle_event(&self, data: &[u8]) {
let Ok(event) = noproto::read::<CtrlMsg>(data) else {
warn!("failed to parse event");
return
return;
};
debug!("event: {:?}", &event);
let Some(payload) = &event.payload else {
warn!("event without payload?");
return
return;
};
match payload {

10
embassy-net-w5500/Cargo.toml
View File

@ -8,11 +8,11 @@ license = "MIT OR Apache-2.0"
edition = "2021"
[dependencies]
embedded-hal = { version = "1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
embassy-net-driver-channel = { version = "0.1.0", path = "../embassy-net-driver-channel"}
embassy-time = { version = "0.1.0" }
embassy-futures = { version = "0.1.0" }
embedded-hal = { version = "1.0.0-alpha.11" }
embedded-hal-async = { version = "=0.2.0-alpha.2" }
embassy-net-driver-channel = { version = "0.1.0", path = "../embassy-net-driver-channel" }
embassy-time = { version = "0.1.2", path = "../embassy-time" }
embassy-futures = { version = "0.1.0", path = "../embassy-futures" }
defmt = { version = "0.3", optional = true }
[package.metadata.embassy_docs]

8
embassy-net-w5500/src/spi.rs
View File

@ -22,7 +22,11 @@ impl<SPI: SpiDevice> SpiInterface<SPI> {
let address_phase = address.to_be_bytes();
let control_phase = [(block as u8) << 3 | 0b0000_0100];
let data_phase = data;
let operations = &[&address_phase[..], &control_phase, &data_phase];
self.0.write_transaction(operations).await
let operations = &mut [
Operation::Write(&address_phase[..]),
Operation::Write(&control_phase),
Operation::Write(&data_phase),
];
self.0.transaction(operations).await
}
}

3
embassy-net/Cargo.toml
View File

@ -37,6 +37,7 @@ proto-ipv4 = ["smoltcp/proto-ipv4"]
proto-ipv6 = ["smoltcp/proto-ipv6"]
medium-ethernet = ["smoltcp/medium-ethernet"]
medium-ip = ["smoltcp/medium-ip"]
medium-ieee802154 = ["smoltcp/medium-ieee802154"]
igmp = ["smoltcp/proto-igmp"]
[dependencies]
@ -50,7 +51,7 @@ smoltcp = { version = "0.10.0", default-features = false, features = [
] }
embassy-net-driver = { version = "0.1.0", path = "../embassy-net-driver" }
embassy-time = { version = "0.1.0", path = "../embassy-time" }
embassy-time = { version = "0.1.2", path = "../embassy-time" }
embassy-sync = { version = "0.2.0", path = "../embassy-sync" }
embedded-io = { version = "0.4.0", optional = true }

2
embassy-net/src/device.rs
View File

@ -51,6 +51,8 @@ where
Medium::Ethernet => phy::Medium::Ethernet,
#[cfg(feature = "medium-ip")]
Medium::Ip => phy::Medium::Ip,
#[cfg(feature = "medium-ieee802154")]
Medium::Ieee802154 => phy::Medium::Ieee802154,
#[allow(unreachable_patterns)]
_ => panic!(
"Unsupported medium {:?}. Make sure to enable it in embassy-net's Cargo features.",

119
embassy-net/src/lib.rs
View File

@ -24,9 +24,11 @@ use embassy_net_driver::{Driver, LinkState, Medium};
use embassy_sync::waitqueue::WakerRegistration;
use embassy_time::{Instant, Timer};
use futures::pin_mut;
#[allow(unused_imports)]
use heapless::Vec;
#[cfg(feature = "igmp")]
pub use smoltcp::iface::MulticastError;
#[allow(unused_imports)]
use smoltcp::iface::{Interface, SocketHandle, SocketSet, SocketStorage};
#[cfg(feature = "dhcpv4")]
use smoltcp::socket::dhcpv4::{self, RetryConfig};
@ -34,7 +36,9 @@ use smoltcp::socket::dhcpv4::{self, RetryConfig};
pub use smoltcp::wire::IpListenEndpoint;
#[cfg(feature = "medium-ethernet")]
pub use smoltcp::wire::{EthernetAddress, HardwareAddress};
pub use smoltcp::wire::{IpAddress, IpCidr};
#[cfg(feature = "medium-ieee802154")]
pub use smoltcp::wire::{HardwareAddress, Ieee802154Address};
pub use smoltcp::wire::{IpAddress, IpCidr, IpEndpoint};
#[cfg(feature = "proto-ipv4")]
pub use smoltcp::wire::{Ipv4Address, Ipv4Cidr};
#[cfg(feature = "proto-ipv6")]
@ -232,7 +236,7 @@ impl<D: Driver + 'static> Stack<D> {
resources: &'static mut StackResources<SOCK>,
random_seed: u64,
) -> Self {
#[cfg(feature = "medium-ethernet")]
#[cfg(any(feature = "medium-ethernet", feature = "medium-ieee802154"))]
let medium = device.capabilities().medium;
let hardware_addr = match medium {
@ -240,6 +244,8 @@ impl<D: Driver + 'static> Stack<D> {
Medium::Ethernet => HardwareAddress::Ethernet(EthernetAddress(device.ethernet_address())),
#[cfg(feature = "medium-ip")]
Medium::Ip => HardwareAddress::Ip,
#[cfg(feature = "medium-ieee802154")]
Medium::Ieee802154 => HardwareAddress::Ieee802154(Ieee802154Address::Absent),
#[allow(unreachable_patterns)]
_ => panic!(
"Unsupported medium {:?}. Make sure to enable it in embassy-net's Cargo features.",
@ -262,6 +268,7 @@ impl<D: Driver + 'static> Stack<D> {
let next_local_port = (random_seed % (LOCAL_PORT_MAX - LOCAL_PORT_MIN) as u64) as u16 + LOCAL_PORT_MIN;
#[cfg_attr(feature = "medium-ieee802154", allow(unused_mut))]
let mut socket = SocketStack {
sockets,
iface,
@ -269,6 +276,7 @@ impl<D: Driver + 'static> Stack<D> {
next_local_port,
};
#[cfg_attr(feature = "medium-ieee802154", allow(unused_mut))]
let mut inner = Inner {
device,
link_up: false,
@ -287,6 +295,9 @@ impl<D: Driver + 'static> Stack<D> {
dns_waker: WakerRegistration::new(),
};
#[cfg(feature = "medium-ieee802154")]
let _ = config;
#[cfg(feature = "proto-ipv4")]
match config.ipv4 {
ConfigV4::Static(config) => {
@ -479,30 +490,78 @@ impl<D: Driver + 'static> Stack<D> {
}
#[cfg(feature = "igmp")]
impl<D: Driver + smoltcp::phy::Device + 'static> Stack<D> {
impl<D: Driver + 'static> Stack<D> {
/// Join a multicast group.
pub fn join_multicast_group<T>(&self, addr: T) -> Result<bool, MulticastError>
pub async fn join_multicast_group<T>(&self, addr: T) -> Result<bool, MulticastError>
where
T: Into<IpAddress>,
{
let addr = addr.into();
poll_fn(move |cx| self.poll_join_multicast_group(addr, cx)).await
}
/// Join a multicast group.
///
/// When the send queue is full, this method will return `Poll::Pending`
/// and register the current task to be notified when the queue has space available.
pub fn poll_join_multicast_group<T>(&self, addr: T, cx: &mut Context<'_>) -> Poll<Result<bool, MulticastError>>
where
T: Into<IpAddress>,
{
let addr = addr.into();
self.with_mut(|s, i| {
s.iface
.join_multicast_group(&mut i.device, addr, instant_to_smoltcp(Instant::now()))
let mut smoldev = DriverAdapter {
cx: Some(cx),
inner: &mut i.device,
};
match s
.iface
.join_multicast_group(&mut smoldev, addr, instant_to_smoltcp(Instant::now()))
{
Ok(announce_sent) => Poll::Ready(Ok(announce_sent)),
Err(MulticastError::Exhausted) => Poll::Pending,
Err(other) => Poll::Ready(Err(other)),
}
})
}
/// Leave a multicast group.
pub fn leave_multicast_group<T>(&self, addr: T) -> Result<bool, MulticastError>
pub async fn leave_multicast_group<T>(&self, addr: T) -> Result<bool, MulticastError>
where
T: Into<IpAddress>,
{
let addr = addr.into();
poll_fn(move |cx| self.poll_leave_multicast_group(addr, cx)).await
}
/// Leave a multicast group.
///
/// When the send queue is full, this method will return `Poll::Pending`
/// and register the current task to be notified when the queue has space available.
pub fn poll_leave_multicast_group<T>(&self, addr: T, cx: &mut Context<'_>) -> Poll<Result<bool, MulticastError>>
where
T: Into<IpAddress>,
{
let addr = addr.into();
self.with_mut(|s, i| {
s.iface
.leave_multicast_group(&mut i.device, addr, instant_to_smoltcp(Instant::now()))
let mut smoldev = DriverAdapter {
cx: Some(cx),
inner: &mut i.device,
};
match s
.iface
.leave_multicast_group(&mut smoldev, addr, instant_to_smoltcp(Instant::now()))
{
Ok(leave_sent) => Poll::Ready(Ok(leave_sent)),
Err(MulticastError::Exhausted) => Poll::Pending,
Err(other) => Poll::Ready(Err(other)),
}
})
}
@ -531,11 +590,14 @@ impl<D: Driver + 'static> Inner<D> {
debug!(" IP address: {}", config.address);
s.iface.update_ip_addrs(|addrs| {
if addrs.is_empty() {
addrs.push(IpCidr::Ipv4(config.address)).unwrap();
} else {
addrs[0] = IpCidr::Ipv4(config.address);
if let Some((index, _)) = addrs
.iter()
.enumerate()
.find(|(_, &addr)| matches!(addr, IpCidr::Ipv4(_)))
{
addrs.remove(index);
}
addrs.push(IpCidr::Ipv4(config.address)).unwrap();
});
#[cfg(feature = "medium-ethernet")]
@ -570,11 +632,14 @@ impl<D: Driver + 'static> Inner<D> {
debug!(" IP address: {}", config.address);
s.iface.update_ip_addrs(|addrs| {
if addrs.is_empty() {
addrs.push(IpCidr::Ipv6(config.address)).unwrap();
} else {
addrs[0] = IpCidr::Ipv6(config.address);
if let Some((index, _)) = addrs
.iter()
.enumerate()
.find(|(_, &addr)| matches!(addr, IpCidr::Ipv6(_)))
{
addrs.remove(index);
}
addrs.push(IpCidr::Ipv6(config.address)).unwrap();
});
#[cfg(feature = "medium-ethernet")]
@ -642,13 +707,21 @@ impl<D: Driver + 'static> Inner<D> {
socket.set_retry_config(config.retry_config);
}
#[allow(unused)] // used only with dhcp
fn unapply_config(&mut self, s: &mut SocketStack) {
#[cfg(feature = "dhcpv4")]
fn unapply_config_v4(&mut self, s: &mut SocketStack) {
#[cfg(feature = "medium-ethernet")]
let medium = self.device.capabilities().medium;
debug!("Lost IP configuration");
s.iface.update_ip_addrs(|ip_addrs| ip_addrs.clear());
s.iface.update_ip_addrs(|ip_addrs| {
#[cfg(feature = "proto-ipv4")]
if let Some((index, _)) = ip_addrs
.iter()
.enumerate()
.find(|(_, &addr)| matches!(addr, IpCidr::Ipv4(_)))
{
ip_addrs.remove(index);
}
});
#[cfg(feature = "medium-ethernet")]
if medium == Medium::Ethernet {
#[cfg(feature = "proto-ipv4")]
@ -695,7 +768,7 @@ impl<D: Driver + 'static> Inner<D> {
if self.link_up {
match socket.poll() {
None => {}
Some(dhcpv4::Event::Deconfigured) => self.unapply_config(s),
Some(dhcpv4::Event::Deconfigured) => self.unapply_config_v4(s),
Some(dhcpv4::Event::Configured(config)) => {
let config = StaticConfigV4 {
address: config.address,
@ -707,7 +780,7 @@ impl<D: Driver + 'static> Inner<D> {
}
} else if old_link_up {
socket.reset();
self.unapply_config(s);
self.unapply_config_v4(s);
}
}
//if old_link_up || self.link_up {

70
embassy-net/src/udp.rs
View File

@ -3,7 +3,7 @@
use core::cell::RefCell;
use core::future::poll_fn;
use core::mem;
use core::task::Poll;
use core::task::{Context, Poll};
use embassy_net_driver::Driver;
use smoltcp::iface::{Interface, SocketHandle};
@ -102,37 +102,61 @@ impl<'a> UdpSocket<'a> {
///
/// Returns the number of bytes received and the remote endpoint.
pub async fn recv_from(&self, buf: &mut [u8]) -> Result<(usize, IpEndpoint), Error> {
poll_fn(move |cx| {
self.with_mut(|s, _| match s.recv_slice(buf) {
Ok((n, meta)) => Poll::Ready(Ok((n, meta.endpoint))),
// No data ready
Err(udp::RecvError::Exhausted) => {
s.register_recv_waker(cx.waker());
Poll::Pending
}
})
poll_fn(move |cx| self.poll_recv_from(buf, cx)).await
}
/// Receive a datagram.
///
/// When no datagram is available, this method will return `Poll::Pending` and
/// register the current task to be notified when a datagram is received.
///
/// When a datagram is received, this method will return `Poll::Ready` with the
/// number of bytes received and the remote endpoint.
pub fn poll_recv_from(&self, buf: &mut [u8], cx: &mut Context<'_>) -> Poll<Result<(usize, IpEndpoint), Error>> {
self.with_mut(|s, _| match s.recv_slice(buf) {
Ok((n, meta)) => Poll::Ready(Ok((n, meta.endpoint))),
// No data ready
Err(udp::RecvError::Exhausted) => {
s.register_recv_waker(cx.waker());
Poll::Pending
}
})
.await
}
/// Send a datagram to the specified remote endpoint.
///
/// This method will wait until the datagram has been sent.
///
/// When the remote endpoint is not reachable, this method will return `Err(Error::NoRoute)`
pub async fn send_to<T>(&self, buf: &[u8], remote_endpoint: T) -> Result<(), Error>
where
T: Into<IpEndpoint>,
{
let remote_endpoint = remote_endpoint.into();
poll_fn(move |cx| {
self.with_mut(|s, _| match s.send_slice(buf, remote_endpoint) {
// Entire datagram has been sent
Ok(()) => Poll::Ready(Ok(())),
Err(udp::SendError::BufferFull) => {
s.register_send_waker(cx.waker());
Poll::Pending
}
Err(udp::SendError::Unaddressable) => Poll::Ready(Err(Error::NoRoute)),
})
let remote_endpoint: IpEndpoint = remote_endpoint.into();
poll_fn(move |cx| self.poll_send_to(buf, remote_endpoint, cx)).await
}
/// Send a datagram to the specified remote endpoint.
///
/// When the datagram has been sent, this method will return `Poll::Ready(Ok())`.
///
/// When the socket's send buffer is full, this method will return `Poll::Pending`
/// and register the current task to be notified when the buffer has space available.
///
/// When the remote endpoint is not reachable, this method will return `Poll::Ready(Err(Error::NoRoute))`.
pub fn poll_send_to<T>(&self, buf: &[u8], remote_endpoint: T, cx: &mut Context<'_>) -> Poll<Result<(), Error>>
where
T: Into<IpEndpoint>,
{
self.with_mut(|s, _| match s.send_slice(buf, remote_endpoint) {
// Entire datagram has been sent
Ok(()) => Poll::Ready(Ok(())),
Err(udp::SendError::BufferFull) => {
s.register_send_waker(cx.waker());
Poll::Pending
}
Err(udp::SendError::Unaddressable) => Poll::Ready(Err(Error::NoRoute)),
})
.await
}
/// Returns the local endpoint of the socket.

24
embassy-nrf/Cargo.toml
View File

@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
src_base = "https://github.com/embassy-rs/embassy/blob/embassy-nrf-v$VERSION/embassy-nrf/src/"
src_base_git = "https://github.com/embassy-rs/embassy/blob/$COMMIT/embassy-nrf/src/"
features = ["nightly", "defmt", "unstable-pac", "unstable-traits", "gpiote", "time-driver-rtc1"]
features = ["nightly", "time", "defmt", "unstable-pac", "unstable-traits", "gpiote", "time-driver-rtc1"]
flavors = [
{ regex_feature = "nrf52.*", target = "thumbv7em-none-eabihf" },
{ regex_feature = "nrf53.*", target = "thumbv8m.main-none-eabihf" },
@ -91,22 +91,22 @@ _dppi = []
_gpio-p1 = []
[dependencies]
embassy-time = { version = "0.1.0", path = "../embassy-time", optional = true }
embassy-time = { version = "0.1.2", path = "../embassy-time", optional = true }
embassy-sync = { version = "0.2.0", path = "../embassy-sync" }
embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common", features = ["cortex-m", "prio-bits-3"] }
embassy-embedded-hal = {version = "0.1.0", path = "../embassy-embedded-hal" }
embassy-usb-driver = {version = "0.1.0", path = "../embassy-usb-driver", optional=true }
embedded-hal-02 = { package = "embedded-hal", version = "0.2.6", features = ["unproven"] }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.1", optional = true}
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.11", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.2", optional = true}
embedded-io = { version = "0.4.0", features = ["async"], optional = true }
defmt = { version = "0.3", optional = true }
log = { version = "0.4.14", optional = true }
cortex-m-rt = ">=0.6.15,<0.8"
cortex-m = "0.7.6"
futures = { version = "0.3.17", default-features = false }
futures = { version = "0.3.17", default-features = false }
critical-section = "1.1"
rand_core = "0.6.3"
fixed = "1.10.0"
@ -114,13 +114,13 @@ embedded-storage = "0.3.0"
embedded-storage-async = { version = "0.4.0", optional = true }
cfg-if = "1.0.0"
nrf52805-pac = { version = "0.12.0", optional = true }
nrf52810-pac = { version = "0.12.0", optional = true }
nrf52811-pac = { version = "0.12.0", optional = true }
nrf52820-pac = { version = "0.12.0", optional = true }
nrf52832-pac = { version = "0.12.0", optional = true }
nrf52833-pac = { version = "0.12.0", optional = true }
nrf52840-pac = { version = "0.12.0", optional = true }
nrf52805-pac = { version = "0.12.0", optional = true }
nrf52810-pac = { version = "0.12.0", optional = true }
nrf52811-pac = { version = "0.12.0", optional = true }
nrf52820-pac = { version = "0.12.0", optional = true }
nrf52832-pac = { version = "0.12.0", optional = true }
nrf52833-pac = { version = "0.12.0", optional = true }
nrf52840-pac = { version = "0.12.0", optional = true }
nrf5340-app-pac = { version = "0.12.0", optional = true }
nrf5340-net-pac = { version = "0.12.0", optional = true }
nrf9160-pac = { version = "0.12.0", optional = true }

8
embassy-nrf/src/gpiote.rs
View File

@ -221,7 +221,7 @@ impl<'d, C: Channel, T: GpioPin> InputChannel<'d, C, T> {
}
/// Returns the IN event, for use with PPI.
pub fn event_in(&self) -> Event {
pub fn event_in(&self) -> Event<'d> {
let g = regs();
Event::from_reg(&g.events_in[self.ch.number()])
}
@ -292,21 +292,21 @@ impl<'d, C: Channel, T: GpioPin> OutputChannel<'d, C, T> {
}
/// Returns the OUT task, for use with PPI.
pub fn task_out(&self) -> Task {
pub fn task_out(&self) -> Task<'d> {
let g = regs();
Task::from_reg(&g.tasks_out[self.ch.number()])
}
/// Returns the CLR task, for use with PPI.
#[cfg(not(feature = "nrf51"))]
pub fn task_clr(&self) -> Task {
pub fn task_clr(&self) -> Task<'d> {
let g = regs();
Task::from_reg(&g.tasks_clr[self.ch.number()])
}
/// Returns the SET task, for use with PPI.
#[cfg(not(feature = "nrf51"))]
pub fn task_set(&self) -> Task {
pub fn task_set(&self) -> Task<'d> {
let g = regs();
Task::from_reg(&g.tasks_set[self.ch.number()])
}

226
embassy-nrf/src/pdm.rs
View File

@ -8,12 +8,22 @@ use core::task::Poll;
use embassy_hal_common::drop::OnDrop;
use embassy_hal_common::{into_ref, PeripheralRef};
use fixed::types::I7F1;
use futures::future::poll_fn;
use crate::chip::EASY_DMA_SIZE;
use crate::gpio::sealed::Pin;
use crate::gpio::{AnyPin, Pin as GpioPin};
use crate::interrupt::typelevel::Interrupt;
use crate::pac::pdm::mode::{EDGE_A, OPERATION_A};
pub use crate::pac::pdm::pdmclkctrl::FREQ_A as Frequency;
#[cfg(any(
feature = "nrf52840",
feature = "nrf52833",
feature = "_nrf5340-app",
feature = "_nrf9160",
))]
pub use crate::pac::pdm::ratio::RATIO_A as Ratio;
use crate::{interrupt, Peripheral};
/// Interrupt handler.
@ -23,7 +33,20 @@ pub struct InterruptHandler<T: Instance> {
impl<T: Instance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
unsafe fn on_interrupt() {
T::regs().intenclr.write(|w| w.end().clear());
let r = T::regs();
if r.events_end.read().bits() != 0 {
r.intenclr.write(|w| w.end().clear());
}
if r.events_started.read().bits() != 0 {
r.intenclr.write(|w| w.started().clear());
}
if r.events_stopped.read().bits() != 0 {
r.intenclr.write(|w| w.stopped().clear());
}
T::state().waker.wake();
}
}
@ -44,10 +67,24 @@ pub enum Error {
BufferZeroLength,
/// PDM is not running
NotRunning,
/// PDM is already running
AlreadyRunning,
}
static DUMMY_BUFFER: [i16; 1] = [0; 1];
/// The state of a continuously running sampler. While it reflects
/// the progress of a sampler, it also signals what should be done
/// next. For example, if the sampler has stopped then the Pdm implementation
/// can then tear down its infrastructure.
#[derive(PartialEq)]
pub enum SamplerState {
/// The sampler processed the samples and is ready for more.
Sampled,
/// The sampler is done processing samples.
Stopped,
}
impl<'d, T: Instance> Pdm<'d, T> {
/// Create PDM driver
pub fn new(
@ -79,18 +116,24 @@ impl<'d, T: Instance> Pdm<'d, T> {
r.psel.clk.write(|w| unsafe { w.bits(clk.psel_bits()) });
// configure
// use default for
// - gain right
// - gain left
// - clk
// - ratio
r.pdmclkctrl.write(|w| w.freq().variant(config.frequency));
#[cfg(any(
feature = "nrf52840",
feature = "nrf52833",
feature = "_nrf5340-app",
feature = "_nrf9160",
))]
r.ratio.write(|w| w.ratio().variant(config.ratio));
r.mode.write(|w| {
w.edge().bit(config.edge == Edge::LeftRising);
w.operation().bit(config.operation_mode == OperationMode::Mono);
w.operation().variant(config.operation_mode.into());
w.edge().variant(config.edge.into());
w
});
r.gainl.write(|w| w.gainl().default_gain());
r.gainr.write(|w| w.gainr().default_gain());
Self::_set_gain(r, config.gain_left, config.gain_right);
// Disable all events interrupts
r.intenclr.write(|w| unsafe { w.bits(0x003F_FFFF) });
// IRQ
T::Interrupt::unpend();
@ -101,6 +144,25 @@ impl<'d, T: Instance> Pdm<'d, T> {
Self { _peri: pdm }
}
fn _set_gain(r: &crate::pac::pdm::RegisterBlock, gain_left: I7F1, gain_right: I7F1) {
let gain_left = gain_left
.saturating_add(I7F1::from_bits(40))
.saturating_to_num::<u8>()
.clamp(0, 0x50);
let gain_right = gain_right
.saturating_add(I7F1::from_bits(40))
.saturating_to_num::<u8>()
.clamp(0, 0x50);
r.gainl.write(|w| unsafe { w.gainl().bits(gain_left) });
r.gainr.write(|w| unsafe { w.gainr().bits(gain_right) });
}
/// Adjust the gain of the PDM microphone on the fly
pub fn set_gain(&mut self, gain_left: I7F1, gain_right: I7F1) {
Self::_set_gain(T::regs(), gain_left, gain_right)
}
/// Start sampling microphon data into a dummy buffer
/// Usefull to start the microphon and keep it active between recording samples
pub async fn start(&mut self) {
@ -198,6 +260,108 @@ impl<'d, T: Instance> Pdm<'d, T> {
compiler_fence(Ordering::SeqCst);
}
/// Continuous sampling with double buffers.
///
/// A sampler closure is provided that receives the buffer of samples, noting
/// that the size of this buffer can be less than the original buffer's size.
/// A command is return from the closure that indicates whether the sampling
/// should continue or stop.
///
/// NOTE: The time spent within the callback supplied should not exceed the time
/// taken to acquire the samples into a single buffer. You should measure the
/// time taken by the callback and set the sample buffer size accordingly.
/// Exceeding this time can lead to samples becoming dropped.
pub async fn run_task_sampler<S, const N: usize>(
&mut self,
bufs: &mut [[i16; N]; 2],
mut sampler: S,
) -> Result<(), Error>
where
S: FnMut(&[i16; N]) -> SamplerState,
{
let r = T::regs();
if r.events_started.read().bits() != 0 {
return Err(Error::AlreadyRunning);
}
r.sample
.ptr
.write(|w| unsafe { w.sampleptr().bits(bufs[0].as_mut_ptr() as u32) });
r.sample.maxcnt.write(|w| unsafe { w.buffsize().bits(N as _) });
// Reset and enable the events
r.events_end.reset();
r.events_started.reset();
r.events_stopped.reset();
r.intenset.write(|w| {
w.end().set();
w.started().set();
w.stopped().set();
w
});
// Don't reorder the start event before the previous writes. Hopefully self
// wouldn't happen anyway.
compiler_fence(Ordering::SeqCst);
r.tasks_start.write(|w| unsafe { w.bits(1) });
let mut current_buffer = 0;
let mut done = false;
let drop = OnDrop::new(|| {
r.tasks_stop.write(|w| unsafe { w.bits(1) });
// N.B. It would be better if this were async, but Drop only support sync code.
while r.events_stopped.read().bits() != 0 {}
});
// Wait for events and complete when the sampler indicates it has had enough.
poll_fn(|cx| {
let r = T::regs();
T::state().waker.register(cx.waker());
if r.events_end.read().bits() != 0 {
compiler_fence(Ordering::SeqCst);
r.events_end.reset();
r.intenset.write(|w| w.end().set());
if !done {
// Discard the last buffer after the user requested a stop.
if sampler(&bufs[current_buffer]) == SamplerState::Sampled {
let next_buffer = 1 - current_buffer;
current_buffer = next_buffer;
} else {
r.tasks_stop.write(|w| unsafe { w.bits(1) });
done = true;
};
};
}
if r.events_started.read().bits() != 0 {
r.events_started.reset();
r.intenset.write(|w| w.started().set());
let next_buffer = 1 - current_buffer;
r.sample
.ptr
.write(|w| unsafe { w.sampleptr().bits(bufs[next_buffer].as_mut_ptr() as u32) });
}
if r.events_stopped.read().bits() != 0 {
return Poll::Ready(());
}
Poll::Pending
})
.await;
drop.defuse();
Ok(())
}
}
/// PDM microphone driver Config
@ -206,6 +370,20 @@ pub struct Config {
pub operation_mode: OperationMode,
/// On which edge the left channel should be samples
pub edge: Edge,
/// Clock frequency
pub frequency: Frequency,
/// Clock ratio
#[cfg(any(
feature = "nrf52840",
feature = "nrf52833",
feature = "_nrf5340-app",
feature = "_nrf9160",
))]
pub ratio: Ratio,
/// Gain left in dB
pub gain_left: I7F1,
/// Gain right in dB
pub gain_right: I7F1,
}
impl Default for Config {
@ -213,6 +391,16 @@ impl Default for Config {
Self {
operation_mode: OperationMode::Mono,
edge: Edge::LeftFalling,
frequency: Frequency::DEFAULT,
#[cfg(any(
feature = "nrf52840",
feature = "nrf52833",
feature = "_nrf5340-app",
feature = "_nrf9160",
))]
ratio: Ratio::RATIO80,
gain_left: I7F1::ZERO,
gain_right: I7F1::ZERO,
}
}
}
@ -226,6 +414,15 @@ pub enum OperationMode {
Stereo,
}
impl From<OperationMode> for OPERATION_A {
fn from(mode: OperationMode) -> Self {
match mode {
OperationMode::Mono => OPERATION_A::MONO,
OperationMode::Stereo => OPERATION_A::STEREO,
}
}
}
/// PDM edge polarity
#[derive(PartialEq)]
pub enum Edge {
@ -235,6 +432,15 @@ pub enum Edge {
LeftFalling,
}
impl From<Edge> for EDGE_A {
fn from(edge: Edge) -> Self {
match edge {
Edge::LeftRising => EDGE_A::LEFT_RISING,
Edge::LeftFalling => EDGE_A::LEFT_FALLING,
}
}
}
impl<'d, T: Instance> Drop for Pdm<'d, T> {
fn drop(&mut self) {
let r = T::regs();

8
embassy-nrf/src/ppi/dppi.rs
View File

@ -12,14 +12,14 @@ pub(crate) fn regs() -> &'static pac::dppic::RegisterBlock {
impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 1> {
/// Configure PPI channel to trigger `task` on `event`.
pub fn new_one_to_one(ch: impl Peripheral<P = C> + 'd, event: Event, task: Task) -> Self {
pub fn new_one_to_one(ch: impl Peripheral<P = C> + 'd, event: Event<'d>, task: Task<'d>) -> Self {
Ppi::new_many_to_many(ch, [event], [task])
}
}
impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 2> {
/// Configure PPI channel to trigger both `task1` and `task2` on `event`.
pub fn new_one_to_two(ch: impl Peripheral<P = C> + 'd, event: Event, task1: Task, task2: Task) -> Self {
pub fn new_one_to_two(ch: impl Peripheral<P = C> + 'd, event: Event<'d>, task1: Task<'d>, task2: Task<'d>) -> Self {
Ppi::new_many_to_many(ch, [event], [task1, task2])
}
}
@ -30,8 +30,8 @@ impl<'d, C: ConfigurableChannel, const EVENT_COUNT: usize, const TASK_COUNT: usi
/// Configure a DPPI channel to trigger all `tasks` when any of the `events` fires.
pub fn new_many_to_many(
ch: impl Peripheral<P = C> + 'd,
events: [Event; EVENT_COUNT],
tasks: [Task; TASK_COUNT],
events: [Event<'d>; EVENT_COUNT],
tasks: [Task<'d>; TASK_COUNT],
) -> Self {
into_ref!(ch);

37
embassy-nrf/src/ppi/mod.rs
View File

@ -15,6 +15,7 @@
//! many tasks and events, but any single task or event can only be coupled with one channel.
//!
use core::marker::PhantomData;
use core::ptr::NonNull;
use embassy_hal_common::{impl_peripheral, into_ref, PeripheralRef};
@ -30,9 +31,9 @@ pub(crate) use _version::*;
pub struct Ppi<'d, C: Channel, const EVENT_COUNT: usize, const TASK_COUNT: usize> {
ch: PeripheralRef<'d, C>,
#[cfg(feature = "_dppi")]
events: [Event; EVENT_COUNT],
events: [Event<'d>; EVENT_COUNT],
#[cfg(feature = "_dppi")]
tasks: [Task; TASK_COUNT],
tasks: [Task<'d>; TASK_COUNT],
}
/// PPI channel group driver.
@ -95,7 +96,7 @@ impl<'d, G: Group> PpiGroup<'d, G> {
/// Get a reference to the "enable all" task.
///
/// When triggered, it will enable all the channels in this group.
pub fn task_enable_all(&self) -> Task {
pub fn task_enable_all(&self) -> Task<'d> {
let n = self.g.number();
Task::from_reg(&regs().tasks_chg[n].en)
}
@ -103,7 +104,7 @@ impl<'d, G: Group> PpiGroup<'d, G> {
/// Get a reference to the "disable all" task.
///
/// When triggered, it will disable all the channels in this group.
pub fn task_disable_all(&self) -> Task {
pub fn task_disable_all(&self) -> Task<'d> {
let n = self.g.number();
Task::from_reg(&regs().tasks_chg[n].dis)
}
@ -125,16 +126,16 @@ const REGISTER_DPPI_CONFIG_OFFSET: usize = 0x80 / core::mem::size_of::<u32>();
/// When a task is subscribed to a PPI channel, it will run when the channel is triggered by
/// a published event.
#[derive(PartialEq, Eq, Clone, Copy)]
pub struct Task(NonNull<u32>);
pub struct Task<'d>(NonNull<u32>, PhantomData<&'d ()>);
impl Task {
impl<'d> Task<'d> {
/// Create a new `Task` from a task register pointer
///
/// # Safety
///
/// `ptr` must be a pointer to a valid `TASKS_*` register from an nRF peripheral.
pub unsafe fn new_unchecked(ptr: NonNull<u32>) -> Self {
Self(ptr)
Self(ptr, PhantomData)
}
/// Triggers this task.
@ -143,7 +144,10 @@ impl Task {
}
pub(crate) fn from_reg<T>(reg: &T) -> Self {
Self(unsafe { NonNull::new_unchecked(reg as *const _ as *mut _) })
Self(
unsafe { NonNull::new_unchecked(reg as *const _ as *mut _) },
PhantomData,
)
}
/// Address of subscription register for this task.
@ -156,26 +160,29 @@ impl Task {
/// # Safety
///
/// NonNull is not send, but this event is only allowed to point at registers and those exist in any context on the same core.
unsafe impl Send for Task {}
unsafe impl Send for Task<'_> {}
/// Represents an event that a peripheral can publish.
///
/// An event can be set to publish on a PPI channel when the event happens.
#[derive(PartialEq, Eq, Clone, Copy)]
pub struct Event(NonNull<u32>);
pub struct Event<'d>(NonNull<u32>, PhantomData<&'d ()>);
impl Event {
impl<'d> Event<'d> {
/// Create a new `Event` from an event register pointer
///
/// # Safety
///
/// `ptr` must be a pointer to a valid `EVENTS_*` register from an nRF peripheral.
pub unsafe fn new_unchecked(ptr: NonNull<u32>) -> Self {
Self(ptr)
Self(ptr, PhantomData)
}
pub(crate) fn from_reg<T>(reg: &T) -> Self {
Self(unsafe { NonNull::new_unchecked(reg as *const _ as *mut _) })
pub(crate) fn from_reg<T>(reg: &'d T) -> Self {
Self(
unsafe { NonNull::new_unchecked(reg as *const _ as *mut _) },
PhantomData,
)
}
/// Describes whether this Event is currently in a triggered state.
@ -198,7 +205,7 @@ impl Event {
/// # Safety
///
/// NonNull is not send, but this event is only allowed to point at registers and those exist in any context on the same core.
unsafe impl Send for Event {}
unsafe impl Send for Event<'_> {}
// ======================
// traits

8
embassy-nrf/src/ppi/ppi.rs
View File

@ -3,12 +3,12 @@ use embassy_hal_common::into_ref;
use super::{Channel, ConfigurableChannel, Event, Ppi, StaticChannel, Task};
use crate::{pac, Peripheral};
impl Task {
impl<'d> Task<'d> {
fn reg_val(&self) -> u32 {
self.0.as_ptr() as _
}
}
impl Event {
impl<'d> Event<'d> {
fn reg_val(&self) -> u32 {
self.0.as_ptr() as _
}
@ -34,7 +34,7 @@ impl<'d, C: StaticChannel> Ppi<'d, C, 0, 1> {
impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 1> {
/// Configure PPI channel to trigger `task` on `event`.
pub fn new_one_to_one(ch: impl Peripheral<P = C> + 'd, event: Event, task: Task) -> Self {
pub fn new_one_to_one(ch: impl Peripheral<P = C> + 'd, event: Event<'d>, task: Task<'d>) -> Self {
into_ref!(ch);
let r = regs();
@ -49,7 +49,7 @@ impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 1> {
#[cfg(not(feature = "nrf51"))] // Not for nrf51 because of the fork task
impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 2> {
/// Configure PPI channel to trigger both `task1` and `task2` on `event`.
pub fn new_one_to_two(ch: impl Peripheral<P = C> + 'd, event: Event, task1: Task, task2: Task) -> Self {
pub fn new_one_to_two(ch: impl Peripheral<P = C> + 'd, event: Event<'d>, task1: Task<'d>, task2: Task<'d>) -> Self {
into_ref!(ch);
let r = regs();

22
embassy-nrf/src/pwm.rs
View File

@ -181,7 +181,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
/// Returns reference to `Stopped` event endpoint for PPI.
#[inline(always)]
pub fn event_stopped(&self) -> Event {
pub fn event_stopped(&self) -> Event<'d> {
let r = T::regs();
Event::from_reg(&r.events_stopped)
@ -189,7 +189,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
/// Returns reference to `LoopsDone` event endpoint for PPI.
#[inline(always)]
pub fn event_loops_done(&self) -> Event {
pub fn event_loops_done(&self) -> Event<'d> {
let r = T::regs();
Event::from_reg(&r.events_loopsdone)
@ -197,7 +197,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
/// Returns reference to `PwmPeriodEnd` event endpoint for PPI.
#[inline(always)]
pub fn event_pwm_period_end(&self) -> Event {
pub fn event_pwm_period_end(&self) -> Event<'d> {
let r = T::regs();
Event::from_reg(&r.events_pwmperiodend)
@ -205,7 +205,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
/// Returns reference to `Seq0 End` event endpoint for PPI.
#[inline(always)]
pub fn event_seq_end(&self) -> Event {
pub fn event_seq_end(&self) -> Event<'d> {
let r = T::regs();
Event::from_reg(&r.events_seqend[0])
@ -213,7 +213,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
/// Returns reference to `Seq1 End` event endpoint for PPI.
#[inline(always)]
pub fn event_seq1_end(&self) -> Event {
pub fn event_seq1_end(&self) -> Event<'d> {
let r = T::regs();
Event::from_reg(&r.events_seqend[1])
@ -221,7 +221,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
/// Returns reference to `Seq0 Started` event endpoint for PPI.
#[inline(always)]
pub fn event_seq0_started(&self) -> Event {
pub fn event_seq0_started(&self) -> Event<'d> {
let r = T::regs();
Event::from_reg(&r.events_seqstarted[0])
@ -229,7 +229,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
/// Returns reference to `Seq1 Started` event endpoint for PPI.
#[inline(always)]
pub fn event_seq1_started(&self) -> Event {
pub fn event_seq1_started(&self) -> Event<'d> {
let r = T::regs();
Event::from_reg(&r.events_seqstarted[1])
@ -240,7 +240,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
///
/// Interacting with the sequence while it runs puts it in an unknown state
#[inline(always)]
pub unsafe fn task_start_seq0(&self) -> Task {
pub unsafe fn task_start_seq0(&self) -> Task<'d> {
let r = T::regs();
Task::from_reg(&r.tasks_seqstart[0])
@ -251,7 +251,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
///
/// Interacting with the sequence while it runs puts it in an unknown state
#[inline(always)]
pub unsafe fn task_start_seq1(&self) -> Task {
pub unsafe fn task_start_seq1(&self) -> Task<'d> {
let r = T::regs();
Task::from_reg(&r.tasks_seqstart[1])
@ -262,7 +262,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
///
/// Interacting with the sequence while it runs puts it in an unknown state
#[inline(always)]
pub unsafe fn task_next_step(&self) -> Task {
pub unsafe fn task_next_step(&self) -> Task<'d> {
let r = T::regs();
Task::from_reg(&r.tasks_nextstep)
@ -273,7 +273,7 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
///
/// Interacting with the sequence while it runs puts it in an unknown state
#[inline(always)]
pub unsafe fn task_stop(&self) -> Task {
pub unsafe fn task_stop(&self) -> Task<'d> {
let r = T::regs();
Task::from_reg(&r.tasks_stop)

4
embassy-nrf/src/saadc.rs
View File

@ -320,7 +320,9 @@ impl<'d, const N: usize> Saadc<'d, N> {
timer.cc(0).write(sample_counter);
timer.cc(0).short_compare_clear();
let mut sample_ppi = Ppi::new_one_to_one(ppi_ch2, timer.cc(0).event_compare(), Task::from_reg(&r.tasks_sample));
let timer_cc = timer.cc(0);
let mut sample_ppi = Ppi::new_one_to_one(ppi_ch2, timer_cc.event_compare(), Task::from_reg(&r.tasks_sample));
timer.start();

16
embassy-nrf/src/spim.rs
View File

@ -468,25 +468,19 @@ mod eh1 {
type Error = Error;
}
impl<'d, T: Instance> embedded_hal_1::spi::SpiBusFlush for Spim<'d, T> {
impl<'d, T: Instance> embedded_hal_1::spi::SpiBus<u8> for Spim<'d, T> {
fn flush(&mut self) -> Result<(), Self::Error> {
Ok(())
}
}
impl<'d, T: Instance> embedded_hal_1::spi::SpiBusRead<u8> for Spim<'d, T> {
fn read(&mut self, words: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_transfer(words, &[])
}
}
impl<'d, T: Instance> embedded_hal_1::spi::SpiBusWrite<u8> for Spim<'d, T> {
fn write(&mut self, words: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(words)
}
}
impl<'d, T: Instance> embedded_hal_1::spi::SpiBus<u8> for Spim<'d, T> {
fn transfer(&mut self, read: &mut [u8], write: &[u8]) -> Result<(), Self::Error> {
self.blocking_transfer(read, write)
}
@ -502,25 +496,19 @@ mod eha {
use super::*;
impl<'d, T: Instance> embedded_hal_async::spi::SpiBusFlush for Spim<'d, T> {
impl<'d, T: Instance> embedded_hal_async::spi::SpiBus<u8> for Spim<'d, T> {
async fn flush(&mut self) -> Result<(), Error> {
Ok(())
}
}
impl<'d, T: Instance> embedded_hal_async::spi::SpiBusRead<u8> for Spim<'d, T> {
async fn read(&mut self, words: &mut [u8]) -> Result<(), Error> {
self.read(words).await
}
}
impl<'d, T: Instance> embedded_hal_async::spi::SpiBusWrite<u8> for Spim<'d, T> {
async fn write(&mut self, data: &[u8]) -> Result<(), Error> {
self.write(data).await
}
}
impl<'d, T: Instance> embedded_hal_async::spi::SpiBus<u8> for Spim<'d, T> {
async fn transfer(&mut self, rx: &mut [u8], tx: &[u8]) -> Result<(), Error> {
self.transfer(rx, tx).await
}

12
embassy-nrf/src/timer.rs
View File

@ -168,21 +168,21 @@ impl<'d, T: Instance> Timer<'d, T> {
/// Returns the START task, for use with PPI.
///
/// When triggered, this task starts the timer.
pub fn task_start(&self) -> Task {
pub fn task_start(&self) -> Task<'d> {
Task::from_reg(&T::regs().tasks_start)
}
/// Returns the STOP task, for use with PPI.
///
/// When triggered, this task stops the timer.
pub fn task_stop(&self) -> Task {
pub fn task_stop(&self) -> Task<'d> {
Task::from_reg(&T::regs().tasks_stop)
}
/// Returns the CLEAR task, for use with PPI.
///
/// When triggered, this task resets the timer's counter to 0.
pub fn task_clear(&self) -> Task {
pub fn task_clear(&self) -> Task<'d> {
Task::from_reg(&T::regs().tasks_clear)
}
@ -190,7 +190,7 @@ impl<'d, T: Instance> Timer<'d, T> {
///
/// When triggered, this task increments the timer's counter by 1.
/// Only works in counter mode.
pub fn task_count(&self) -> Task {
pub fn task_count(&self) -> Task<'d> {
Task::from_reg(&T::regs().tasks_count)
}
@ -258,14 +258,14 @@ impl<'d, T: Instance> Cc<'d, T> {
/// Returns this CC register's CAPTURE task, for use with PPI.
///
/// When triggered, this task will capture the current value of the timer's counter in this register.
pub fn task_capture(&self) -> Task {
pub fn task_capture(&self) -> Task<'d> {
Task::from_reg(&T::regs().tasks_capture)
}
/// Returns this CC register's COMPARE event, for use with PPI.
///
/// This event will fire when the timer's counter reaches the value in this CC register.
pub fn event_compare(&self) -> Event {
pub fn event_compare(&self) -> Event<'d> {
Event::from_reg(&T::regs().events_compare[self.n])
}

8
embassy-rp/Cargo.toml
View File

@ -56,7 +56,7 @@ unstable-traits = ["embedded-hal-1", "embedded-hal-nb"]
[dependencies]
embassy-sync = { version = "0.2.0", path = "../embassy-sync" }
embassy-time = { version = "0.1.0", path = "../embassy-time", features = [ "tick-hz-1_000_000" ] }
embassy-time = { version = "0.1.2", path = "../embassy-time", features = [ "tick-hz-1_000_000" ] }
embassy-futures = { version = "0.1.0", path = "../embassy-futures" }
embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common", features = ["cortex-m", "prio-bits-2"] }
embassy-embedded-hal = {version = "0.1.0", path = "../embassy-embedded-hal" }
@ -79,9 +79,9 @@ fixed = "1.23.1"
rp-pac = { version = "6" }
embedded-hal-02 = { package = "embedded-hal", version = "0.2.6", features = ["unproven"] }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.1", optional = true}
embedded-hal-nb = { version = "=1.0.0-alpha.2", optional = true}
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.11", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.2", optional = true}
embedded-hal-nb = { version = "=1.0.0-alpha.3", optional = true}
paste = "1.0"
pio-proc = {version= "0.2" }

237
embassy-rp/src/adc.rs
View File

@ -3,22 +3,17 @@ use core::marker::PhantomData;
use core::sync::atomic::{compiler_fence, Ordering};
use core::task::Poll;
use embassy_hal_common::{into_ref, PeripheralRef};
use embassy_sync::waitqueue::AtomicWaker;
use embedded_hal_02::adc::{Channel, OneShot};
use crate::gpio::Pin;
use crate::gpio::sealed::Pin as GpioPin;
use crate::gpio::{self, AnyPin, Pull};
use crate::interrupt::typelevel::Binding;
use crate::interrupt::InterruptExt;
use crate::peripherals::ADC;
use crate::{interrupt, pac, peripherals, Peripheral};
static WAKER: AtomicWaker = AtomicWaker::new();
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
#[non_exhaustive]
pub enum Error {
// No errors for now
}
static WAKER: AtomicWaker = AtomicWaker::new();
#[non_exhaustive]
pub struct Config {}
@ -28,11 +23,75 @@ impl Default for Config {
Self {}
}
}
pub struct Adc<'d> {
phantom: PhantomData<&'d ADC>,
pub struct Pin<'p> {
pin: PeripheralRef<'p, AnyPin>,
}
impl<'d> Adc<'d> {
impl<'p> Pin<'p> {
pub fn new(pin: impl Peripheral<P = impl AdcPin + 'p> + 'p, pull: Pull) -> Self {
into_ref!(pin);
pin.pad_ctrl().modify(|w| {
// manual says:
//
// > When using an ADC input shared with a GPIO pin, the pin’s
// > digital functions must be disabled by setting IE low and OD
// > high in the pin’s pad control register
w.set_ie(false);
w.set_od(true);
w.set_pue(pull == Pull::Up);
w.set_pde(pull == Pull::Down);
});
Self { pin: pin.map_into() }
}
fn channel(&self) -> u8 {
// this requires adc pins to be sequential and matching the adc channels,
// which is the case for rp2040
self.pin._pin() - 26
}
}
impl<'d> Drop for Pin<'d> {
fn drop(&mut self) {
self.pin.pad_ctrl().modify(|w| {
w.set_ie(true);
w.set_od(false);
w.set_pue(false);
w.set_pde(true);
});
}
}
#[derive(Debug, Eq, PartialEq, Copy, Clone)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum Error {
ConversionFailed,
}
pub trait Mode {}
pub struct Async;
impl Mode for Async {}
pub struct Blocking;
impl Mode for Blocking {}
pub struct Adc<'d, M: Mode> {
phantom: PhantomData<(&'d ADC, M)>,
}
impl<'d, M: Mode> Drop for Adc<'d, M> {
fn drop(&mut self) {
let r = Self::regs();
// disable ADC. leaving it enabled comes with a ~150µA static
// current draw. the temperature sensor has already been disabled
// by the temperature-reading methods, so we don't need to touch that.
r.cs().write(|w| w.set_en(false));
}
}
impl<'d, M: Mode> Adc<'d, M> {
#[inline]
fn regs() -> pac::adc::Adc {
pac::ADC
@ -45,11 +104,7 @@ impl<'d> Adc<'d> {
ret
}
pub fn new(
_inner: impl Peripheral<P = ADC> + 'd,
_irq: impl Binding<interrupt::typelevel::ADC_IRQ_FIFO, InterruptHandler>,
_config: Config,
) -> Self {
fn setup() {
let reset = Self::reset();
crate::reset::reset(reset);
crate::reset::unreset_wait(reset);
@ -58,6 +113,43 @@ impl<'d> Adc<'d> {
r.cs().write(|w| w.set_en(true));
// Wait for ADC ready
while !r.cs().read().ready() {}
}
fn sample_blocking(channel: u8) -> Result<u16, Error> {
let r = Self::regs();
r.cs().modify(|w| {
w.set_ainsel(channel);
w.set_start_once(true);
w.set_err(true);
});
while !r.cs().read().ready() {}
match r.cs().read().err() {
true => Err(Error::ConversionFailed),
false => Ok(r.result().read().result().into()),
}
}
pub fn blocking_read(&mut self, pin: &mut Pin) -> Result<u16, Error> {
Self::sample_blocking(pin.channel())
}
pub fn blocking_read_temperature(&mut self) -> Result<u16, Error> {
let r = Self::regs();
r.cs().modify(|w| w.set_ts_en(true));
while !r.cs().read().ready() {}
let result = Self::sample_blocking(4);
r.cs().modify(|w| w.set_ts_en(false));
result
}
}
impl<'d> Adc<'d, Async> {
pub fn new(
_inner: impl Peripheral<P = ADC> + 'd,
_irq: impl Binding<interrupt::typelevel::ADC_IRQ_FIFO, InterruptHandler>,
_config: Config,
) -> Self {
Self::setup();
// Setup IRQ
interrupt::ADC_IRQ_FIFO.unpend();
@ -80,76 +172,42 @@ impl<'d> Adc<'d> {
.await;
}
pub async fn read<PIN: Channel<Adc<'d>, ID = u8> + Pin>(&mut self, pin: &mut PIN) -> u16 {
async fn sample_async(channel: u8) -> Result<u16, Error> {
let r = Self::regs();
// disable pull-down and pull-up resistors
// pull-down resistors are enabled by default
pin.pad_ctrl().modify(|w| {
w.set_ie(true);
let (pu, pd) = (false, false);
w.set_pue(pu);
w.set_pde(pd);
});
r.cs().modify(|w| {
w.set_ainsel(PIN::channel());
w.set_start_once(true)
w.set_ainsel(channel);
w.set_start_once(true);
w.set_err(true);
});
Self::wait_for_ready().await;
r.result().read().result().into()
match r.cs().read().err() {
true => Err(Error::ConversionFailed),
false => Ok(r.result().read().result().into()),
}
}
pub async fn read_temperature(&mut self) -> u16 {
pub async fn read(&mut self, pin: &mut Pin<'_>) -> Result<u16, Error> {
Self::sample_async(pin.channel()).await
}
pub async fn read_temperature(&mut self) -> Result<u16, Error> {
let r = Self::regs();
r.cs().modify(|w| w.set_ts_en(true));
if !r.cs().read().ready() {
Self::wait_for_ready().await;
}
r.cs().modify(|w| {
w.set_ainsel(4);
w.set_start_once(true)
});
Self::wait_for_ready().await;
r.result().read().result().into()
}
pub fn blocking_read<PIN: Channel<Adc<'d>, ID = u8> + Pin>(&mut self, pin: &mut PIN) -> u16 {
let r = Self::regs();
pin.pad_ctrl().modify(|w| {
w.set_ie(true);
let (pu, pd) = (false, false);
w.set_pue(pu);
w.set_pde(pd);
});
r.cs().modify(|w| {
w.set_ainsel(PIN::channel());
w.set_start_once(true)
});
while !r.cs().read().ready() {}
r.result().read().result().into()
}
pub fn blocking_read_temperature(&mut self) -> u16 {
let r = Self::regs();
r.cs().modify(|w| w.set_ts_en(true));
while !r.cs().read().ready() {}
r.cs().modify(|w| {
w.set_ainsel(4);
w.set_start_once(true)
});
while !r.cs().read().ready() {}
r.result().read().result().into()
let result = Self::sample_async(4).await;
r.cs().modify(|w| w.set_ts_en(false));
result
}
}
macro_rules! impl_pin {
($pin:ident, $channel:expr) => {
impl Channel<Adc<'static>> for peripherals::$pin {
type ID = u8;
fn channel() -> u8 {
$channel
}
}
};
impl<'d> Adc<'d, Blocking> {
pub fn new_blocking(_inner: impl Peripheral<P = ADC> + 'd, _config: Config) -> Self {
Self::setup();
Self { phantom: PhantomData }
}
}
pub struct InterruptHandler {
@ -158,24 +216,33 @@ pub struct InterruptHandler {
impl interrupt::typelevel::Handler<interrupt::typelevel::ADC_IRQ_FIFO> for InterruptHandler {
unsafe fn on_interrupt() {
let r = Adc::regs();
let r = Adc::<Async>::regs();
r.inte().write(|w| w.set_fifo(false));
WAKER.wake();
}
}
mod sealed {
pub trait AdcPin: crate::gpio::sealed::Pin {
fn channel(&mut self) -> u8;
}
}
pub trait AdcPin: sealed::AdcPin + gpio::Pin {}
macro_rules! impl_pin {
($pin:ident, $channel:expr) => {
impl sealed::AdcPin for peripherals::$pin {
fn channel(&mut self) -> u8 {
$channel
}
}
impl AdcPin for peripherals::$pin {}
};
}
impl_pin!(PIN_26, 0);
impl_pin!(PIN_27, 1);
impl_pin!(PIN_28, 2);
impl_pin!(PIN_29, 3);
impl<WORD, PIN> OneShot<Adc<'static>, WORD, PIN> for Adc<'static>
where
WORD: From<u16>,
PIN: Channel<Adc<'static>, ID = u8> + Pin,
{
type Error = ();
fn read(&mut self, pin: &mut PIN) -> nb::Result<WORD, Self::Error> {
Ok(self.blocking_read(pin).into())
}
}

2
embassy-rp/src/clocks.rs
View File

@ -308,6 +308,7 @@ pub(crate) unsafe fn init(config: ClockConfig) {
// - QSPI (we're using it to run this code!)
// - PLLs (it may be suicide if that's what's clocking us)
// - USB, SYSCFG (breaks usb-to-swd on core1)
// - RTC (else there would be no more time...)
let mut peris = reset::ALL_PERIPHERALS;
peris.set_io_qspi(false);
// peris.set_io_bank0(false); // might be suicide if we're clocked from gpin
@ -317,6 +318,7 @@ pub(crate) unsafe fn init(config: ClockConfig) {
// TODO investigate if usb should be unreset here
peris.set_usbctrl(false);
peris.set_syscfg(false);
peris.set_rtc(false);
reset::reset(peris);
// Disable resus that may be enabled from previous software

6
embassy-rp/src/gpio.rs
View File

@ -41,7 +41,7 @@ impl From<Level> for bool {
}
/// Represents a pull setting for an input.
#[derive(Debug, Eq, PartialEq)]
#[derive(Debug, Clone, Copy, Eq, PartialEq)]
pub enum Pull {
None,
Up,
@ -566,13 +566,13 @@ impl<'d, T: Pin> Flex<'d, T> {
/// Is the output level high?
#[inline]
pub fn is_set_high(&self) -> bool {
(self.pin.sio_out().value().read() & self.bit()) == 0
!self.is_set_low()
}
/// Is the output level low?
#[inline]
pub fn is_set_low(&self) -> bool {
!self.is_set_high()
(self.pin.sio_out().value().read() & self.bit()) == 0
}
/// What level output is set to

5
embassy-rp/src/i2c.rs
View File

@ -716,6 +716,9 @@ mod nightly {
async fn transaction(&mut self, address: A, operations: &mut [Operation<'_>]) -> Result<(), Self::Error> {
let addr: u16 = address.into();
if operations.len() > 0 {
Self::setup(addr)?;
}
let mut iterator = operations.iter_mut();
while let Some(op) = iterator.next() {
@ -723,11 +726,9 @@ mod nightly {
match op {
Operation::Read(buffer) => {
Self::setup(addr)?;
self.read_async_internal(buffer, false, last).await?;
}
Operation::Write(buffer) => {
Self::setup(addr)?;
self.write_async_internal(buffer.into_iter().cloned(), last).await?;
}
}

1
embassy-rp/src/lib.rs
View File

@ -252,7 +252,6 @@ pub fn init(config: config::Config) -> Peripherals {
#[cfg(feature = "time-driver")]
timer::init();
dma::init();
pio::init();
gpio::init();
}

78
embassy-rp/src/pio.rs
View File

@ -16,12 +16,12 @@ use pio::{SideSet, Wrap};
use crate::dma::{Channel, Transfer, Word};
use crate::gpio::sealed::Pin as SealedPin;
use crate::gpio::{self, AnyPin, Drive, Level, Pull, SlewRate};
use crate::interrupt::InterruptExt;
use crate::interrupt::typelevel::{Binding, Handler, Interrupt};
use crate::pac::dma::vals::TreqSel;
use crate::relocate::RelocatedProgram;
use crate::{interrupt, pac, peripherals, pio_instr_util, RegExt};
use crate::{pac, peripherals, pio_instr_util, RegExt};
struct Wakers([AtomicWaker; 12]);
pub struct Wakers([AtomicWaker; 12]);
impl Wakers {
#[inline(always)]
@ -38,10 +38,6 @@ impl Wakers {
}
}
const NEW_AW: AtomicWaker = AtomicWaker::new();
const PIO_WAKERS_INIT: Wakers = Wakers([NEW_AW; 12]);
static WAKERS: [Wakers; 2] = [PIO_WAKERS_INIT; 2];
#[derive(Clone, Copy, PartialEq, Eq, Default, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
#[repr(u8)]
@ -85,42 +81,20 @@ const RXNEMPTY_MASK: u32 = 1 << 0;
const TXNFULL_MASK: u32 = 1 << 4;
const SMIRQ_MASK: u32 = 1 << 8;
#[cfg(feature = "rt")]
#[interrupt]
fn PIO0_IRQ_0() {
use crate::pac;
let ints = pac::PIO0.irqs(0).ints().read().0;
for bit in 0..12 {
if ints & (1 << bit) != 0 {
WAKERS[0].0[bit].wake();
}
}
pac::PIO0.irqs(0).inte().write_clear(|m| m.0 = ints);
pub struct InterruptHandler<PIO: Instance> {
_pio: PhantomData<PIO>,
}
#[cfg(feature = "rt")]
#[interrupt]
fn PIO1_IRQ_0() {
use crate::pac;
let ints = pac::PIO1.irqs(0).ints().read().0;
for bit in 0..12 {
if ints & (1 << bit) != 0 {
WAKERS[1].0[bit].wake();
impl<PIO: Instance> Handler<PIO::Interrupt> for InterruptHandler<PIO> {
unsafe fn on_interrupt() {
let ints = PIO::PIO.irqs(0).ints().read().0;
for bit in 0..12 {
if ints & (1 << bit) != 0 {
PIO::wakers().0[bit].wake();
}
}
PIO::PIO.irqs(0).inte().write_clear(|m| m.0 = ints);
}
pac::PIO1.irqs(0).inte().write_clear(|m| m.0 = ints);
}
pub(crate) unsafe fn init() {
interrupt::PIO0_IRQ_0.disable();
interrupt::PIO0_IRQ_0.set_priority(interrupt::Priority::P3);
pac::PIO0.irqs(0).inte().write(|m| m.0 = 0);
interrupt::PIO0_IRQ_0.enable();
interrupt::PIO1_IRQ_0.disable();
interrupt::PIO1_IRQ_0.set_priority(interrupt::Priority::P3);
pac::PIO1.irqs(0).inte().write(|m| m.0 = 0);
interrupt::PIO1_IRQ_0.enable();
}
/// Future that waits for TX-FIFO to become writable
@ -144,7 +118,7 @@ impl<'a, 'd, PIO: Instance, const SM: usize> Future for FifoOutFuture<'a, 'd, PI
if self.get_mut().sm_tx.try_push(value) {
Poll::Ready(())
} else {
WAKERS[PIO::PIO_NO as usize].fifo_out()[SM].register(cx.waker());
PIO::wakers().fifo_out()[SM].register(cx.waker());
PIO::PIO.irqs(0).inte().write_set(|m| {
m.0 = TXNFULL_MASK << SM;
});
@ -181,7 +155,7 @@ impl<'a, 'd, PIO: Instance, const SM: usize> Future for FifoInFuture<'a, 'd, PIO
if let Some(v) = self.sm_rx.try_pull() {
Poll::Ready(v)
} else {
WAKERS[PIO::PIO_NO as usize].fifo_in()[SM].register(cx.waker());
PIO::wakers().fifo_in()[SM].register(cx.waker());
PIO::PIO.irqs(0).inte().write_set(|m| {
m.0 = RXNEMPTY_MASK << SM;
});
@ -217,7 +191,7 @@ impl<'a, 'd, PIO: Instance> Future for IrqFuture<'a, 'd, PIO> {
return Poll::Ready(());
}
WAKERS[PIO::PIO_NO as usize].irq()[self.irq_no as usize].register(cx.waker());
PIO::wakers().irq()[self.irq_no as usize].register(cx.waker());
PIO::PIO.irqs(0).inte().write_set(|m| {
m.0 = SMIRQ_MASK << self.irq_no;
});
@ -949,9 +923,11 @@ pub struct Pio<'d, PIO: Instance> {
}
impl<'d, PIO: Instance> Pio<'d, PIO> {
pub fn new(_pio: impl Peripheral<P = PIO> + 'd) -> Self {
pub fn new(_pio: impl Peripheral<P = PIO> + 'd, _irq: impl Binding<PIO::Interrupt, InterruptHandler<PIO>>) -> Self {
PIO::state().users.store(5, Ordering::Release);
PIO::state().used_pins.store(0, Ordering::Release);
PIO::Interrupt::unpend();
unsafe { PIO::Interrupt::enable() };
Self {
common: Common {
instructions_used: 0,
@ -1017,6 +993,15 @@ mod sealed {
const PIO_NO: u8;
const PIO: &'static crate::pac::pio::Pio;
const FUNCSEL: crate::pac::io::vals::Gpio0ctrlFuncsel;
type Interrupt: crate::interrupt::typelevel::Interrupt;
#[inline]
fn wakers() -> &'static Wakers {
const NEW_AW: AtomicWaker = AtomicWaker::new();
static WAKERS: Wakers = Wakers([NEW_AW; 12]);
&WAKERS
}
#[inline]
fn state() -> &'static State {
@ -1033,18 +1018,19 @@ mod sealed {
pub trait Instance: sealed::Instance + Sized + Unpin {}
macro_rules! impl_pio {
($name:ident, $pio:expr, $pac:ident, $funcsel:ident) => {
($name:ident, $pio:expr, $pac:ident, $funcsel:ident, $irq:ident) => {
impl sealed::Instance for peripherals::$name {
const PIO_NO: u8 = $pio;
const PIO: &'static pac::pio::Pio = &pac::$pac;
const FUNCSEL: pac::io::vals::Gpio0ctrlFuncsel = pac::io::vals::Gpio0ctrlFuncsel::$funcsel;
type Interrupt = crate::interrupt::typelevel::$irq;
}
impl Instance for peripherals::$name {}
};
}
impl_pio!(PIO0, 0, PIO0, PIO0_0);
impl_pio!(PIO1, 1, PIO1, PIO1_0);
impl_pio!(PIO0, 0, PIO0, PIO0_0, PIO0_IRQ_0);
impl_pio!(PIO1, 1, PIO1, PIO1_0, PIO1_IRQ_0);
pub trait PioPin: sealed::PioPin + gpio::Pin {}

1
embassy-rp/src/rtc/datetime_no_deps.rs
View File

@ -25,6 +25,7 @@ pub enum Error {
}
/// Structure containing date and time information
#[derive(Clone, Debug)]
pub struct DateTime {
/// 0..4095
pub year: u16,

50
embassy-rp/src/rtc/mod.rs
View File

@ -12,26 +12,24 @@ pub use self::datetime::{DateTime, DayOfWeek, Error as DateTimeError};
use crate::clocks::clk_rtc_freq;
/// A reference to the real time clock of the system
pub struct RealTimeClock<'d, T: Instance> {
pub struct Rtc<'d, T: Instance> {
inner: PeripheralRef<'d, T>,
}
impl<'d, T: Instance> RealTimeClock<'d, T> {
impl<'d, T: Instance> Rtc<'d, T> {
/// Create a new instance of the real time clock, with the given date as an initial value.
///
/// # Errors
///
/// Will return `RtcError::InvalidDateTime` if the datetime is not a valid range.
pub fn new(inner: impl Peripheral<P = T> + 'd, initial_date: DateTime) -> Result<Self, RtcError> {
pub fn new(inner: impl Peripheral<P = T> + 'd) -> Self {
into_ref!(inner);
// Set the RTC divider
inner.regs().clkdiv_m1().write(|w| w.set_clkdiv_m1(clk_rtc_freq() - 1));
let mut result = Self { inner };
result.set_leap_year_check(true); // should be on by default, make sure this is the case.
result.set_datetime(initial_date)?;
Ok(result)
let result = Self { inner };
result
}
/// Enable or disable the leap year check. The rp2040 chip will always add a Feb 29th on every year that is divisable by 4, but this may be incorrect (e.g. on century years). This function allows you to disable this check.
@ -43,7 +41,37 @@ impl<'d, T: Instance> RealTimeClock<'d, T> {
});
}
/// Checks to see if this RealTimeClock is running
/// Set the time from internal format
pub fn restore(&mut self, ymd: rp_pac::rtc::regs::Rtc1, hms: rp_pac::rtc::regs::Rtc0) {
// disable RTC while we configure it
self.inner.regs().ctrl().modify(|w| w.set_rtc_enable(false));
while self.inner.regs().ctrl().read().rtc_active() {
core::hint::spin_loop();
}
self.inner.regs().setup_0().write(|w| {
*w = rp_pac::rtc::regs::Setup0(ymd.0);
});
self.inner.regs().setup_1().write(|w| {
*w = rp_pac::rtc::regs::Setup1(hms.0);
});
// Load the new datetime and re-enable RTC
self.inner.regs().ctrl().write(|w| w.set_load(true));
self.inner.regs().ctrl().write(|w| w.set_rtc_enable(true));
while !self.inner.regs().ctrl().read().rtc_active() {
core::hint::spin_loop();
}
}
/// Get the time in internal format
pub fn save(&mut self) -> (rp_pac::rtc::regs::Rtc1, rp_pac::rtc::regs::Rtc0) {
let rtc_0: rp_pac::rtc::regs::Rtc0 = self.inner.regs().rtc_0().read();
let rtc_1 = self.inner.regs().rtc_1().read();
(rtc_1, rtc_0)
}
/// Checks to see if this Rtc is running
pub fn is_running(&self) -> bool {
self.inner.regs().ctrl().read().rtc_active()
}
@ -113,8 +141,8 @@ impl<'d, T: Instance> RealTimeClock<'d, T> {
/// # fn main() { }
/// # #[cfg(not(feature = "chrono"))]
/// # fn main() {
/// # use embassy_rp::rtc::{RealTimeClock, DateTimeFilter};
/// # let mut real_time_clock: RealTimeClock<embassy_rp::peripherals::RTC> = unsafe { core::mem::zeroed() };
/// # use embassy_rp::rtc::{Rtc, DateTimeFilter};
/// # let mut real_time_clock: Rtc<embassy_rp::peripherals::RTC> = unsafe { core::mem::zeroed() };
/// let now = real_time_clock.now().unwrap();
/// real_time_clock.schedule_alarm(
/// DateTimeFilter::default()
@ -150,7 +178,7 @@ impl<'d, T: Instance> RealTimeClock<'d, T> {
}
}
/// Errors that can occur on methods on [RealTimeClock]
/// Errors that can occur on methods on [Rtc]
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum RtcError {
/// An invalid DateTime was given or stored on the hardware.

20
embassy-rp/src/spi.rs
View File

@ -545,25 +545,19 @@ mod eh1 {
type Error = Error;
}
impl<'d, T: Instance, M: Mode> embedded_hal_1::spi::SpiBusFlush for Spi<'d, T, M> {
impl<'d, T: Instance, M: Mode> embedded_hal_1::spi::SpiBus<u8> for Spi<'d, T, M> {
fn flush(&mut self) -> Result<(), Self::Error> {
Ok(())
}
}
impl<'d, T: Instance, M: Mode> embedded_hal_1::spi::SpiBusRead<u8> for Spi<'d, T, M> {
fn read(&mut self, words: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_transfer(words, &[])
}
}
impl<'d, T: Instance, M: Mode> embedded_hal_1::spi::SpiBusWrite<u8> for Spi<'d, T, M> {
fn write(&mut self, words: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(words)
}
}
impl<'d, T: Instance, M: Mode> embedded_hal_1::spi::SpiBus<u8> for Spi<'d, T, M> {
fn transfer(&mut self, read: &mut [u8], write: &[u8]) -> Result<(), Self::Error> {
self.blocking_transfer(read, write)
}
@ -578,30 +572,24 @@ mod eh1 {
mod eha {
use super::*;
impl<'d, T: Instance> embedded_hal_async::spi::SpiBusFlush for Spi<'d, T, Async> {
impl<'d, T: Instance> embedded_hal_async::spi::SpiBus<u8> for Spi<'d, T, Async> {
async fn flush(&mut self) -> Result<(), Self::Error> {
Ok(())
}
}
impl<'d, T: Instance> embedded_hal_async::spi::SpiBusWrite<u8> for Spi<'d, T, Async> {
async fn write(&mut self, words: &[u8]) -> Result<(), Self::Error> {
self.write(words).await
}
}
impl<'d, T: Instance> embedded_hal_async::spi::SpiBusRead<u8> for Spi<'d, T, Async> {
async fn read(&mut self, words: &mut [u8]) -> Result<(), Self::Error> {
self.read(words).await
}
}
impl<'d, T: Instance> embedded_hal_async::spi::SpiBus<u8> for Spi<'d, T, Async> {
async fn transfer<'a>(&'a mut self, read: &'a mut [u8], write: &'a [u8]) -> Result<(), Self::Error> {
async fn transfer(&mut self, read: &mut [u8], write: &[u8]) -> Result<(), Self::Error> {
self.transfer(read, write).await
}
async fn transfer_in_place<'a>(&'a mut self, words: &'a mut [u8]) -> Result<(), Self::Error> {
async fn transfer_in_place(&mut self, words: &mut [u8]) -> Result<(), Self::Error> {
self.transfer_in_place(words).await
}
}

3
embassy-rp/src/usb.rs
View File

@ -361,6 +361,7 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
let regs = T::regs();
let siestatus = regs.sie_status().read();
let intrstatus = regs.intr().read();
if siestatus.resume() {
regs.sie_status().write(|w| w.set_resume(true));
@ -389,7 +390,7 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
return Poll::Ready(Event::Reset);
}
if siestatus.suspended() {
if siestatus.suspended() && intrstatus.dev_suspend() {
regs.sie_status().write(|w| w.set_suspended(true));
return Poll::Ready(Event::Suspend);
}

32
embassy-rp/src/watchdog.rs
View File

@ -107,4 +107,36 @@ impl Watchdog {
w.set_trigger(true);
})
}
/// Store data in scratch register
pub fn set_scratch(&mut self, index: usize, value: u32) {
let watchdog = pac::WATCHDOG;
match index {
0 => watchdog.scratch0().write(|w| *w = value),
1 => watchdog.scratch1().write(|w| *w = value),
2 => watchdog.scratch2().write(|w| *w = value),
3 => watchdog.scratch3().write(|w| *w = value),
4 => watchdog.scratch4().write(|w| *w = value),
5 => watchdog.scratch5().write(|w| *w = value),
6 => watchdog.scratch6().write(|w| *w = value),
7 => watchdog.scratch7().write(|w| *w = value),
_ => panic!("Invalid watchdog scratch index"),
}
}
/// Read data from scratch register
pub fn get_scratch(&mut self, index: usize) -> u32 {
let watchdog = pac::WATCHDOG;
match index {
0 => watchdog.scratch0().read(),
1 => watchdog.scratch1().read(),
2 => watchdog.scratch2().read(),
3 => watchdog.scratch3().read(),
4 => watchdog.scratch4().read(),
5 => watchdog.scratch5().read(),
6 => watchdog.scratch6().read(),
7 => watchdog.scratch7().read(),
_ => panic!("Invalid watchdog scratch index"),
}
}
}

15
embassy-stm32-wpan/Cargo.toml
View File

@ -5,18 +5,19 @@ edition = "2021"
license = "MIT OR Apache-2.0"
[package.metadata.embassy_docs]
src_base = "https://github.com/embassy-rs/embassy/blob/embassy-stm32-wpan-v$VERSION/embassy-stm32-wpan/src"
src_base_git = "https://github.com/embassy-rs/embassy/blob/$COMMIT/embassy-stm32-wpan/src"
src_base = "https://github.com/embassy-rs/embassy/blob/embassy-stm32-wpan-v$VERSION/embassy-stm32-wpan/src/"
src_base_git = "https://github.com/embassy-rs/embassy/blob/$COMMIT/embassy-stm32-wpan/src/"
target = "thumbv7em-none-eabihf"
features = ["stm32wb55rg"]
[dependencies]
embassy-stm32 = { version = "0.1.0", path = "../embassy-stm32" }
embassy-sync = { version = "0.2.0", path = "../embassy-sync" }
embassy-time = { version = "0.1.0", path = "../embassy-time", optional = true }
embassy-time = { version = "0.1.2", path = "../embassy-time", optional = true }
embassy-futures = { version = "0.1.0", path = "../embassy-futures" }
embassy-hal-common = { version = "0.1.0", path = "../embassy-hal-common" }
embassy-embedded-hal = { version = "0.1.0", path = "../embassy-embedded-hal" }
embassy-net-driver = { version = "0.1.0", path = "../embassy-net-driver", optional=true }
defmt = { version = "0.3", optional = true }
cortex-m = "0.7.6"
@ -25,13 +26,15 @@ aligned = "0.4.1"
bit_field = "0.10.2"
stm32-device-signature = { version = "0.3.3", features = ["stm32wb5x"] }
stm32wb-hci = { version = "0.1.2", features = ["version-5-0"], optional = true }
stm32wb-hci = { version = "0.1.3", optional = true }
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
bitflags = { version = "2.3.3", optional = true }
[features]
defmt = ["dep:defmt", "embassy-sync/defmt", "embassy-embedded-hal/defmt", "embassy-hal-common/defmt"]
defmt = ["dep:defmt", "embassy-sync/defmt", "embassy-embedded-hal/defmt", "embassy-hal-common/defmt", "stm32wb-hci?/defmt"]
ble = ["dep:stm32wb-hci"]
mac = []
mac = ["dep:bitflags", "dep:embassy-net-driver" ]
stm32wb10cc = [ "embassy-stm32/stm32wb10cc" ]
stm32wb15cc = [ "embassy-stm32/stm32wb15cc" ]

2
embassy-stm32-wpan/src/cmd.rs
View File

@ -37,7 +37,7 @@ pub struct CmdSerialStub {
}
#[derive(Copy, Clone, Default)]
#[repr(C, packed(4))]
#[repr(C, packed)]
pub struct CmdPacket {
pub header: PacketHeader,
pub cmdserial: CmdSerial,

3
embassy-stm32-wpan/src/consts.rs
View File

@ -6,6 +6,8 @@ use crate::PacketHeader;
#[derive(Debug)]
#[repr(C)]
pub enum TlPacketType {
MacCmd = 0x00,
BleCmd = 0x01,
AclData = 0x02,
BleEvt = 0x04,
@ -79,6 +81,7 @@ pub const CFG_TL_BLE_MOST_EVENT_PAYLOAD_SIZE: usize = 255;
pub const TL_BLE_EVENT_FRAME_SIZE: usize = TL_EVT_HEADER_SIZE + CFG_TL_BLE_MOST_EVENT_PAYLOAD_SIZE;
pub const POOL_SIZE: usize = CFG_TL_BLE_EVT_QUEUE_LENGTH * 4 * divc(TL_PACKET_HEADER_SIZE + TL_BLE_EVENT_FRAME_SIZE, 4);
pub const C_SIZE_CMD_STRING: usize = 256;
pub const fn divc(x: usize, y: usize) -> usize {
(x + y - 1) / y

46
embassy-stm32-wpan/src/lib.rs
View File

@ -1,5 +1,6 @@
#![no_std]
#![cfg_attr(feature = "ble", feature(async_fn_in_trait))]
#![cfg_attr(any(feature = "ble", feature = "mac"), feature(async_fn_in_trait))]
#![cfg_attr(feature = "mac", feature(type_alias_impl_trait, concat_bytes))]
// This must go FIRST so that all the other modules see its macros.
pub mod fmt;
@ -26,6 +27,9 @@ pub mod sub;
pub mod tables;
pub mod unsafe_linked_list;
#[cfg(feature = "mac")]
pub mod mac;
#[cfg(feature = "ble")]
pub use crate::sub::ble::hci;
@ -60,9 +64,9 @@ impl<'d> TlMbox<'d> {
mem_manager_table: TL_MEM_MANAGER_TABLE.as_ptr(),
traces_table: TL_TRACES_TABLE.as_ptr(),
mac_802_15_4_table: TL_MAC_802_15_4_TABLE.as_ptr(),
// zigbee_table: TL_ZIGBEE_TABLE.as_ptr(),
// lld_tests_table: TL_LLD_TESTS_TABLE.as_ptr(),
// ble_lld_table: TL_BLE_LLD_TABLE.as_ptr(),
zigbee_table: TL_ZIGBEE_TABLE.as_ptr(),
lld_tests_table: TL_LLD_TESTS_TABLE.as_ptr(),
ble_lld_table: TL_BLE_LLD_TABLE.as_ptr(),
});
TL_SYS_TABLE
@ -87,15 +91,15 @@ impl<'d> TlMbox<'d> {
TL_MAC_802_15_4_TABLE
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
// TL_ZIGBEE_TABLE
// .as_mut_ptr()
// .write_volatile(MaybeUninit::zeroed().assume_init());
// TL_LLD_TESTS_TABLE
// .as_mut_ptr()
// .write_volatile(MaybeUninit::zeroed().assume_init());
// TL_BLE_LLD_TABLE
// .as_mut_ptr()
// .write_volatile(MaybeUninit::zeroed().assume_init());
TL_ZIGBEE_TABLE
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
TL_LLD_TESTS_TABLE
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
TL_BLE_LLD_TABLE
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
EVT_POOL
.as_mut_ptr()
@ -103,18 +107,30 @@ impl<'d> TlMbox<'d> {
SYS_SPARE_EVT_BUF
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
BLE_SPARE_EVT_BUF
CS_BUFFER
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
#[cfg(feature = "ble")]
{
BLE_SPARE_EVT_BUF
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
BLE_CMD_BUFFER
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
HCI_ACL_DATA_BUFFER
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
CS_BUFFER
}
#[cfg(feature = "mac")]
{
MAC_802_15_4_CMD_BUFFER
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
MAC_802_15_4_NOTIF_RSP_EVT_BUFFER
.as_mut_ptr()
.write_volatile(MaybeUninit::zeroed().assume_init());
}

476
embassy-stm32-wpan/src/mac/commands.rs Normal file
View File

@ -0,0 +1,476 @@
use core::{mem, slice};
use super::opcodes::OpcodeM4ToM0;
use super::typedefs::{
AddressMode, Capabilities, DisassociationReason, GtsCharacteristics, KeyIdMode, MacAddress, MacChannel, MacStatus,
PanId, PibId, ScanType, SecurityLevel,
};
pub trait MacCommand: Sized {
const OPCODE: OpcodeM4ToM0;
fn payload<'a>(&'a self) -> &'a [u8] {
unsafe { slice::from_raw_parts(self as *const _ as *const u8, mem::size_of::<Self>()) }
}
}
/// MLME ASSOCIATE Request used to request an association
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct AssociateRequest {
/// the logical channel on which to attempt association
pub channel_number: MacChannel,
/// the channel page on which to attempt association
pub channel_page: u8,
/// coordinator addressing mode
pub coord_addr_mode: AddressMode,
/// operational capabilities of the associating device
pub capability_information: Capabilities,
/// the identifier of the PAN with which to associate
pub coord_pan_id: PanId,
/// the security level to be used
pub security_level: SecurityLevel,
/// the mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// the originator of the key to be used
pub key_source: [u8; 8],
/// Coordinator address
pub coord_address: MacAddress,
/// the index of the key to be used
pub key_index: u8,
}
impl MacCommand for AssociateRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeAssociateReq;
}
/// MLME DISASSOCIATE Request sed to request a disassociation
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DisassociateRequest {
/// device addressing mode used
pub device_addr_mode: AddressMode,
/// the identifier of the PAN of the device
pub device_pan_id: PanId,
/// the reason for the disassociation
pub disassociation_reason: DisassociationReason,
/// device address
pub device_address: MacAddress,
/// `true` if the disassociation notification command is to be sent indirectly
pub tx_indirect: bool,
/// the security level to be used
pub security_level: SecurityLevel,
/// the mode to be used to indetify the key to be used
pub key_id_mode: KeyIdMode,
/// the index of the key to be used
pub key_index: u8,
/// the originator of the key to be used
pub key_source: [u8; 8],
}
impl MacCommand for DisassociateRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeDisassociateReq;
}
/// MLME GET Request used to request a PIB value
#[repr(C)]
#[derive(Default)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct GetRequest {
/// the name of the PIB attribute to read
pub pib_attribute: PibId,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 3],
}
impl MacCommand for GetRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeGetReq;
}
/// MLME GTS Request used to request and maintain GTSs
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct GtsRequest {
/// the characteristics of the GTS
pub characteristics: GtsCharacteristics,
/// the security level to be used
pub security_level: SecurityLevel,
/// the mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// the index of the key to be used
pub key_index: u8,
/// the originator of the key to be used
pub key_source: [u8; 8],
}
impl MacCommand for GtsRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeGetReq;
}
#[repr(C)]
#[derive(Default)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct ResetRequest {
/// MAC PIB attributes are set to their default values or not during reset
pub set_default_pib: bool,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 3],
}
impl MacCommand for ResetRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeResetReq;
}
/// MLME RX ENABLE Request used to request that the receiver is either enabled
/// for a finite period of time or disabled
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct RxEnableRequest {
/// the request operation can be deferred or not
pub defer_permit: bool,
/// configure the transceiver to RX with ranging for a value of
/// RANGING_ON or to not enable ranging for RANGING_OFF
pub ranging_rx_control: u8,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 2],
/// number of symbols measured before the receiver is to be enabled or disabled
pub rx_on_time: [u8; 4],
/// number of symbols for which the receiver is to be enabled
pub rx_on_duration: [u8; 4],
}
impl MacCommand for RxEnableRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeRxEnableReq;
}
/// MLME SCAN Request used to initiate a channel scan over a given list of channels
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct ScanRequest {
/// the type of scan to be performed
pub scan_type: ScanType,
/// the time spent on scanning each channel
pub scan_duration: u8,
/// channel page on which to perform the scan
pub channel_page: u8,
/// security level to be used
pub security_level: SecurityLevel,
/// indicate which channels are to be scanned
pub scan_channels: [u8; 4],
/// originator the key to be used
pub key_source: [u8; 8],
/// mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// index of the key to be used
pub key_index: u8,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 2],
}
impl MacCommand for ScanRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeScanReq;
}
/// MLME SET Request used to attempt to write the given value to the indicated PIB attribute
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct SetRequest {
/// the pointer to the value of the PIB attribute to set
pub pib_attribute_ptr: *const u8,
/// the name of the PIB attribute to set
pub pib_attribute: PibId,
}
impl MacCommand for SetRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeSetReq;
}
/// MLME START Request used by the FFDs to intiate a new PAN or to begin using a new superframe
/// configuration
#[repr(C)]
#[derive(Default)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct StartRequest {
/// PAN indentifier to used by the device
pub pan_id: PanId,
/// logical channel on which to begin
pub channel_number: MacChannel,
/// channel page on which to begin
pub channel_page: u8,
/// time at which to begin transmitting beacons
pub start_time: [u8; 4],
/// indicated how often the beacon is to be transmitted
pub beacon_order: u8,
/// length of the active portion of the superframe
pub superframe_order: u8,
/// indicated wheter the device is a PAN coordinator or not
pub pan_coordinator: bool,
/// indicates if the receiver of the beaconing device is disabled or not
pub battery_life_extension: bool,
/// indicated if the coordinator realignment command is to be trasmitted
pub coord_realignment: u8,
/// indicated if the coordinator realignment command is to be trasmitted
pub coord_realign_security_level: SecurityLevel,
/// index of the key to be used
pub coord_realign_key_id_index: u8,
/// originator of the key to be used
pub coord_realign_key_source: [u8; 8],
/// security level to be used for beacon frames
pub beacon_security_level: SecurityLevel,
/// mode used to identify the key to be used
pub beacon_key_id_mode: KeyIdMode,
/// index of the key to be used
pub beacon_key_index: u8,
/// originator of the key to be used
pub beacon_key_source: [u8; 8],
}
impl MacCommand for StartRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeStartReq;
}
/// MLME SYNC Request used to synchronize with the coordinator by acquiring and, if
/// specified, tracking its beacons
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct SyncRequest {
/// the channel number on which to attempt coordinator synchronization
pub channel_number: MacChannel,
/// the channel page on which to attempt coordinator synchronization
pub channel_page: u8,
/// `true` if the MLME is to synchronize with the next beacon and attempts
/// to track all future beacons.
///
/// `false` if the MLME is to synchronize with only the next beacon
pub track_beacon: bool,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 1],
}
impl MacCommand for SyncRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeSyncReq;
}
/// MLME POLL Request propmts the device to request data from the coordinator
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct PollRequest {
/// addressing mode of the coordinator
pub coord_addr_mode: AddressMode,
/// security level to be used
pub security_level: SecurityLevel,
/// mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// index of the key to be used
pub key_index: u8,
/// coordinator address
pub coord_address: MacAddress,
/// originator of the key to be used
pub key_source: [u8; 8],
/// PAN identifier of the coordinator
pub coord_pan_id: PanId,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 2],
}
impl MacCommand for PollRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmePollReq;
}
/// MLME DPS Request allows the next higher layer to request that the PHY utilize a
/// given pair of preamble codes for a single use pending expiration of the DPSIndexDuration
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DpsRequest {
/// the index value for the transmitter
tx_dps_index: u8,
/// the index value of the receiver
rx_dps_index: u8,
/// the number of symbols for which the transmitter and receiver will utilize the
/// respective DPS indices
dps_index_duration: u8,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 1],
}
impl MacCommand for DpsRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeDpsReq;
}
/// MLME SOUNDING request primitive which is used by the next higher layer to request that
/// the PHY respond with channel sounding information
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct SoundingRequest {
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 4],
}
impl MacCommand for SoundingRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeSoundingReq;
}
/// MLME CALIBRATE request primitive which used to obtain the results of a ranging
/// calibration request from an RDEV
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct CalibrateRequest {
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 4],
}
impl MacCommand for CalibrateRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeCalibrateReq;
}
/// MCPS DATA Request used for MAC data related requests from the application
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DataRequest {
/// the handle assocated with the MSDU to be transmitted
pub msdu_ptr: *const u8,
/// source addressing mode used
pub src_addr_mode: AddressMode,
/// destination addressing mode used
pub dst_addr_mode: AddressMode,
/// destination PAN Id
pub dst_pan_id: PanId,
/// destination address
pub dst_address: MacAddress,
/// the number of octets contained in the MSDU
pub msdu_length: u8,
/// the handle assocated with the MSDU to be transmitted
pub msdu_handle: u8,
/// the ACK transmittion options for the MSDU
pub ack_tx: u8,
/// `true` if a GTS is to be used for transmission
///
/// `false` indicates that the CAP will be used
pub gts_tx: bool,
/// the pending bit transmission options for the MSDU
pub indirect_tx: u8,
/// the security level to be used
pub security_level: SecurityLevel,
/// the mode used to indentify the key to be used
pub key_id_mode: KeyIdMode,
/// the index of the key to be used
pub key_index: u8,
/// the originator of the key to be used
pub key_source: [u8; 8],
/// 2011 - the pulse repitition value
pub uwbprf: u8,
/// 2011 - the ranging configuration
pub ranging: u8,
/// 2011 - the preamble symbol repititions
pub uwb_preamble_symbol_repetitions: u8,
/// 2011 - indicates the data rate
pub datrate: u8,
}
impl DataRequest {
pub fn set_buffer<'a>(&'a mut self, buf: &'a [u8]) -> &mut Self {
self.msdu_ptr = buf as *const _ as *const u8;
self.msdu_length = buf.len() as u8;
self
}
}
impl Default for DataRequest {
fn default() -> Self {
Self {
msdu_ptr: 0 as *const u8,
src_addr_mode: AddressMode::NoAddress,
dst_addr_mode: AddressMode::NoAddress,
dst_pan_id: PanId([0, 0]),
dst_address: MacAddress { short: [0, 0] },
msdu_length: 0,
msdu_handle: 0,
ack_tx: 0,
gts_tx: false,
indirect_tx: 0,
security_level: SecurityLevel::Unsecure,
key_id_mode: KeyIdMode::Implicite,
key_index: 0,
key_source: [0u8; 8],
uwbprf: 0,
ranging: 0,
uwb_preamble_symbol_repetitions: 0,
datrate: 0,
}
}
}
impl MacCommand for DataRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::McpsDataReq;
}
/// for MCPS PURGE Request used to purge an MSDU from the transaction queue
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct PurgeRequest {
/// the handle associated with the MSDU to be purged from the transaction
/// queue
pub msdu_handle: u8,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 3],
}
impl MacCommand for PurgeRequest {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::McpsPurgeReq;
}
/// MLME ASSOCIATE Response used to initiate a response to an MLME-ASSOCIATE.indication
#[repr(C)]
#[derive(Default)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct AssociateResponse {
/// extended address of the device requesting association
pub device_address: [u8; 8],
/// 16-bitshort device address allocated by the coordinator on successful
/// association
pub assoc_short_address: [u8; 2],
/// status of the association attempt
pub status: MacStatus,
/// security level to be used
pub security_level: SecurityLevel,
/// the originator of the key to be used
pub key_source: [u8; 8],
/// the mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// the index of the key to be used
pub key_index: u8,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 2],
}
impl MacCommand for AssociateResponse {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeAssociateRes;
}
/// MLME ORPHAN Response used to respond to the MLME ORPHAN Indication
#[repr(C)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct OrphanResponse {
/// extended address of the orphaned device
pub orphan_address: [u8; 8],
/// short address allocated to the orphaned device
pub short_address: [u8; 2],
/// if the orphaned device is associated with coordinator or not
pub associated_member: bool,
/// security level to be used
pub security_level: SecurityLevel,
/// the originator of the key to be used
pub key_source: [u8; 8],
/// the mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// the index of the key to be used
pub key_index: u8,
/// byte stuffing to keep 32 bit alignment
pub a_stuffing: [u8; 2],
}
impl MacCommand for OrphanResponse {
const OPCODE: OpcodeM4ToM0 = OpcodeM4ToM0::MlmeOrphanRes;
}

4
embassy-stm32-wpan/src/mac/consts.rs Normal file
View File

@ -0,0 +1,4 @@
pub const MAX_PAN_DESC_SUPPORTED: usize = 6;
pub const MAX_SOUNDING_LIST_SUPPORTED: usize = 6;
pub const MAX_PENDING_ADDRESS: usize = 7;
pub const MAX_ED_SCAN_RESULTS_SUPPORTED: usize = 16;

95
embassy-stm32-wpan/src/mac/control.rs Normal file
View File

@ -0,0 +1,95 @@
use core::future::Future;
use core::task;
use core::task::Poll;
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
use embassy_sync::mutex::MutexGuard;
use embassy_sync::signal::Signal;
use futures::FutureExt;
use super::commands::MacCommand;
use super::event::MacEvent;
use super::typedefs::MacError;
use crate::mac::runner::Runner;
pub struct Control<'a> {
runner: &'a Runner<'a>,
}
impl<'a> Control<'a> {
pub(crate) fn new(runner: &'a Runner<'a>) -> Self {
Self { runner: runner }
}
pub async fn send_command<T>(&self, cmd: &T) -> Result<(), MacError>
where
T: MacCommand,
{
let _wm = self.runner.write_mutex.lock().await;
self.runner.mac_subsystem.send_command(cmd).await
}
pub async fn send_command_and_get_response<T>(&self, cmd: &T) -> Result<EventToken<'a>, MacError>
where
T: MacCommand,
{
let rm = self.runner.read_mutex.lock().await;
let _wm = self.runner.write_mutex.lock().await;
let token = EventToken::new(self.runner, rm);
self.runner.mac_subsystem.send_command(cmd).await?;
Ok(token)
}
}
pub struct EventToken<'a> {
runner: &'a Runner<'a>,
_mutex_guard: MutexGuard<'a, CriticalSectionRawMutex, ()>,
}
impl<'a> EventToken<'a> {
pub(crate) fn new(runner: &'a Runner<'a>, mutex_guard: MutexGuard<'a, CriticalSectionRawMutex, ()>) -> Self {
// Enable event receiving
runner.rx_event_channel.lock(|s| {
*s.borrow_mut() = Some(Signal::new());
});
Self {
runner: runner,
_mutex_guard: mutex_guard,
}
}
}
impl<'a> Future for EventToken<'a> {
type Output = MacEvent<'a>;
fn poll(self: core::pin::Pin<&mut Self>, cx: &mut task::Context<'_>) -> Poll<Self::Output> {
self.get_mut().runner.rx_event_channel.lock(|s| {
let signal = s.borrow_mut();
let signal = match &*signal {
Some(s) => s,
_ => unreachable!(),
};
let result = match signal.wait().poll_unpin(cx) {
Poll::Ready(mac_event) => Poll::Ready(mac_event),
Poll::Pending => Poll::Pending,
};
result
})
}
}
impl<'a> Drop for EventToken<'a> {
fn drop(&mut self) {
// Disable event receiving
// This will also drop the contained event, if it exists, and will free up receiving the next event
self.runner.rx_event_channel.lock(|s| {
*s.borrow_mut() = None;
});
}
}

122
embassy-stm32-wpan/src/mac/driver.rs Normal file
View File

@ -0,0 +1,122 @@
#![allow(incomplete_features)]
#![deny(unused_must_use)]
use core::task::Context;
use embassy_net_driver::{Capabilities, LinkState, Medium};
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
use embassy_sync::channel::Channel;
use crate::mac::event::MacEvent;
use crate::mac::runner::Runner;
use crate::mac::MTU;
pub struct Driver<'d> {
runner: &'d Runner<'d>,
}
impl<'d> Driver<'d> {
pub(crate) fn new(runner: &'d Runner<'d>) -> Self {
Self { runner: runner }
}
}
impl<'d> embassy_net_driver::Driver for Driver<'d> {
// type RxToken<'a> = RxToken<'a, 'd> where Self: 'a;
// type TxToken<'a> = TxToken<'a, 'd> where Self: 'a;
type RxToken<'a> = RxToken<'d> where Self: 'a;
type TxToken<'a> = TxToken<'d> where Self: 'a;
fn receive(&mut self, cx: &mut Context) -> Option<(Self::RxToken<'_>, Self::TxToken<'_>)> {
if self.runner.rx_channel.poll_ready_to_receive(cx) && self.runner.tx_buf_channel.poll_ready_to_receive(cx) {
Some((
RxToken {
rx: &self.runner.rx_channel,
},
TxToken {
tx: &self.runner.tx_channel,
tx_buf: &self.runner.tx_buf_channel,
},
))
} else {
None
}
}
fn transmit(&mut self, cx: &mut Context) -> Option<Self::TxToken<'_>> {
if self.runner.tx_buf_channel.poll_ready_to_receive(cx) {
Some(TxToken {
tx: &self.runner.tx_channel,
tx_buf: &self.runner.tx_buf_channel,
})
} else {
None
}
}
fn capabilities(&self) -> Capabilities {
let mut caps = Capabilities::default();
caps.max_transmission_unit = MTU;
// caps.max_burst_size = Some(self.tx.len());
caps.medium = Medium::Ieee802154;
caps
}
fn link_state(&mut self, _cx: &mut Context) -> LinkState {
// if self.phy.poll_link(&mut self.station_management, cx) {
// LinkState::Up
// } else {
// LinkState::Down
// }
LinkState::Down
}
fn ethernet_address(&self) -> [u8; 6] {
// self.mac_addr
[0; 6]
}
}
pub struct RxToken<'d> {
rx: &'d Channel<CriticalSectionRawMutex, MacEvent<'d>, 1>,
}
impl<'d> embassy_net_driver::RxToken for RxToken<'d> {
fn consume<R, F>(self, f: F) -> R
where
F: FnOnce(&mut [u8]) -> R,
{
// Only valid data events should be put into the queue
let data_event = match self.rx.try_recv().unwrap() {
MacEvent::McpsDataInd(data_event) => data_event,
_ => unreachable!(),
};
f(&mut data_event.payload())
}
}
pub struct TxToken<'d> {
tx: &'d Channel<CriticalSectionRawMutex, (&'d mut [u8; MTU], usize), 5>,
tx_buf: &'d Channel<CriticalSectionRawMutex, &'d mut [u8; MTU], 5>,
}
impl<'d> embassy_net_driver::TxToken for TxToken<'d> {
fn consume<R, F>(self, len: usize, f: F) -> R
where
F: FnOnce(&mut [u8]) -> R,
{
// Only valid tx buffers should be put into the queue
let buf = self.tx_buf.try_recv().unwrap();
let r = f(&mut buf[..len]);
// The tx channel should always be of equal capacity to the tx_buf channel
self.tx.try_send((buf, len)).unwrap();
r
}
}

153
embassy-stm32-wpan/src/mac/event.rs Normal file
View File

@ -0,0 +1,153 @@
use core::{mem, ptr};
use super::indications::{
AssociateIndication, BeaconNotifyIndication, CommStatusIndication, DataIndication, DisassociateIndication,
DpsIndication, GtsIndication, OrphanIndication, PollIndication, SyncLossIndication,
};
use super::responses::{
AssociateConfirm, CalibrateConfirm, DataConfirm, DisassociateConfirm, DpsConfirm, GetConfirm, GtsConfirm,
PollConfirm, PurgeConfirm, ResetConfirm, RxEnableConfirm, ScanConfirm, SetConfirm, SoundingConfirm, StartConfirm,
};
use crate::evt::{EvtBox, MemoryManager};
use crate::mac::opcodes::OpcodeM0ToM4;
use crate::sub::mac::{self, Mac};
pub(crate) trait ParseableMacEvent: Sized {
fn from_buffer<'a>(buf: &'a [u8]) -> Result<&'a Self, ()> {
if buf.len() < mem::size_of::<Self>() {
Err(())
} else {
Ok(unsafe { &*(buf as *const _ as *const Self) })
}
}
}
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
#[derive(Debug)]
pub enum MacEvent<'a> {
MlmeAssociateCnf(&'a AssociateConfirm),
MlmeDisassociateCnf(&'a DisassociateConfirm),
MlmeGetCnf(&'a GetConfirm),
MlmeGtsCnf(&'a GtsConfirm),
MlmeResetCnf(&'a ResetConfirm),
MlmeRxEnableCnf(&'a RxEnableConfirm),
MlmeScanCnf(&'a ScanConfirm),
MlmeSetCnf(&'a SetConfirm),
MlmeStartCnf(&'a StartConfirm),
MlmePollCnf(&'a PollConfirm),
MlmeDpsCnf(&'a DpsConfirm),
MlmeSoundingCnf(&'a SoundingConfirm),
MlmeCalibrateCnf(&'a CalibrateConfirm),
McpsDataCnf(&'a DataConfirm),
McpsPurgeCnf(&'a PurgeConfirm),
MlmeAssociateInd(&'a AssociateIndication),
MlmeDisassociateInd(&'a DisassociateIndication),
MlmeBeaconNotifyInd(&'a BeaconNotifyIndication),
MlmeCommStatusInd(&'a CommStatusIndication),
MlmeGtsInd(&'a GtsIndication),
MlmeOrphanInd(&'a OrphanIndication),
MlmeSyncLossInd(&'a SyncLossIndication),
MlmeDpsInd(&'a DpsIndication),
McpsDataInd(&'a DataIndication),
MlmePollInd(&'a PollIndication),
}
impl<'a> MacEvent<'a> {
pub(crate) fn new(event_box: EvtBox<Mac>) -> Result<Self, ()> {
let payload = event_box.payload();
let opcode = u16::from_le_bytes(payload[0..2].try_into().unwrap());
let opcode = OpcodeM0ToM4::try_from(opcode)?;
let buf = &payload[2..];
// To avoid re-parsing the opcode, we store the result of the parse
// this requires use of unsafe because rust cannot assume that a reference will become
// invalid when the underlying result is moved. However, because we refer to a "heap"
// allocation, the underlying reference will not move until the struct is dropped.
let mac_event = match opcode {
OpcodeM0ToM4::MlmeAssociateCnf => {
MacEvent::MlmeAssociateCnf(unsafe { &*(AssociateConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeDisassociateCnf => {
MacEvent::MlmeDisassociateCnf(unsafe { &*(DisassociateConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeGetCnf => MacEvent::MlmeGetCnf(unsafe { &*(GetConfirm::from_buffer(buf)? as *const _) }),
OpcodeM0ToM4::MlmeGtsCnf => MacEvent::MlmeGtsCnf(unsafe { &*(GtsConfirm::from_buffer(buf)? as *const _) }),
OpcodeM0ToM4::MlmeResetCnf => {
MacEvent::MlmeResetCnf(unsafe { &*(ResetConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeRxEnableCnf => {
MacEvent::MlmeRxEnableCnf(unsafe { &*(RxEnableConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeScanCnf => {
MacEvent::MlmeScanCnf(unsafe { &*(ScanConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeSetCnf => MacEvent::MlmeSetCnf(unsafe { &*(SetConfirm::from_buffer(buf)? as *const _) }),
OpcodeM0ToM4::MlmeStartCnf => {
MacEvent::MlmeStartCnf(unsafe { &*(StartConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmePollCnf => {
MacEvent::MlmePollCnf(unsafe { &*(PollConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeDpsCnf => MacEvent::MlmeDpsCnf(unsafe { &*(DpsConfirm::from_buffer(buf)? as *const _) }),
OpcodeM0ToM4::MlmeSoundingCnf => {
MacEvent::MlmeSoundingCnf(unsafe { &*(SoundingConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeCalibrateCnf => {
MacEvent::MlmeCalibrateCnf(unsafe { &*(CalibrateConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::McpsDataCnf => {
MacEvent::McpsDataCnf(unsafe { &*(DataConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::McpsPurgeCnf => {
MacEvent::McpsPurgeCnf(unsafe { &*(PurgeConfirm::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeAssociateInd => {
MacEvent::MlmeAssociateInd(unsafe { &*(AssociateIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeDisassociateInd => {
MacEvent::MlmeDisassociateInd(unsafe { &*(DisassociateIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeBeaconNotifyInd => {
MacEvent::MlmeBeaconNotifyInd(unsafe { &*(BeaconNotifyIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeCommStatusInd => {
MacEvent::MlmeCommStatusInd(unsafe { &*(CommStatusIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeGtsInd => {
MacEvent::MlmeGtsInd(unsafe { &*(GtsIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeOrphanInd => {
MacEvent::MlmeOrphanInd(unsafe { &*(OrphanIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeSyncLossInd => {
MacEvent::MlmeSyncLossInd(unsafe { &*(SyncLossIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmeDpsInd => {
MacEvent::MlmeDpsInd(unsafe { &*(DpsIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::McpsDataInd => {
MacEvent::McpsDataInd(unsafe { &*(DataIndication::from_buffer(buf)? as *const _) })
}
OpcodeM0ToM4::MlmePollInd => {
MacEvent::MlmePollInd(unsafe { &*(PollIndication::from_buffer(buf)? as *const _) })
}
};
// Forget the event box so that drop isn't called
// We want to handle the lifetime ourselves
mem::forget(event_box);
Ok(mac_event)
}
}
unsafe impl<'a> Send for MacEvent<'a> {}
impl<'a> Drop for MacEvent<'a> {
fn drop(&mut self) {
unsafe { mac::Mac::drop_event_packet(ptr::null_mut()) };
}
}

265
embassy-stm32-wpan/src/mac/indications.rs Normal file
View File

@ -0,0 +1,265 @@
use core::slice;
use super::consts::MAX_PENDING_ADDRESS;
use super::event::ParseableMacEvent;
use super::typedefs::{
AddressMode, Capabilities, DisassociationReason, KeyIdMode, MacAddress, MacChannel, MacStatus, PanDescriptor,
PanId, SecurityLevel,
};
/// MLME ASSOCIATE Indication which will be used by the MAC
/// to indicate the reception of an association request command
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct AssociateIndication {
/// Extended address of the device requesting association
pub device_address: [u8; 8],
/// Operational capabilities of the device requesting association
pub capability_information: Capabilities,
/// Security level purportedly used by the received MAC command frame
pub security_level: SecurityLevel,
/// The mode used to identify the key used by the originator of frame
pub key_id_mode: KeyIdMode,
/// Index of the key used by the originator of the received frame
pub key_index: u8,
/// The originator of the key used by the originator of the received frame
pub key_source: [u8; 8],
}
impl ParseableMacEvent for AssociateIndication {}
/// MLME DISASSOCIATE indication which will be used to send
/// disassociation indication to the application.
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DisassociateIndication {
/// Extended address of the device requesting association
pub device_address: [u8; 8],
/// The reason for the disassociation
pub disassociation_reason: DisassociationReason,
/// The security level to be used
pub security_level: SecurityLevel,
/// The mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// The index of the key to be used
pub key_index: u8,
/// The originator of the key to be used
pub key_source: [u8; 8],
}
impl ParseableMacEvent for DisassociateIndication {}
/// MLME BEACON NOTIIFY Indication which is used to send parameters contained
/// within a beacon frame received by the MAC to the application
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct BeaconNotifyIndication {
/// he set of octets comprising the beacon payload to be transferred
/// from the MAC sublayer entity to the next higher layer
pub sdu_ptr: *const u8,
/// The PAN Descriptor for the received beacon
pub pan_descriptor: PanDescriptor,
/// The list of addresses of the devices
pub addr_list: [MacAddress; MAX_PENDING_ADDRESS],
/// Beacon Sequence Number
pub bsn: u8,
/// The beacon pending address specification
pub pend_addr_spec: u8,
/// Number of octets contained in the beacon payload of the beacon frame
pub sdu_length: u8,
}
impl ParseableMacEvent for BeaconNotifyIndication {}
/// MLME COMM STATUS Indication which is used by the MAC to indicate a communications status
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct CommStatusIndication {
/// The 16-bit PAN identifier of the device from which the frame
/// was received or to which the frame was being sent
pub pan_id: PanId,
/// Source addressing mode
pub src_addr_mode: AddressMode,
/// Destination addressing mode
pub dst_addr_mode: AddressMode,
/// Source address
pub src_address: MacAddress,
/// Destination address
pub dst_address: MacAddress,
/// The communications status
pub status: MacStatus,
/// Security level to be used
pub security_level: SecurityLevel,
/// Mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// Index of the key to be used
pub key_index: u8,
/// Originator of the key to be used
pub key_source: [u8; 8],
}
impl ParseableMacEvent for CommStatusIndication {}
/// MLME GTS Indication indicates that a GTS has been allocated or that a
/// previously allocated GTS has been deallocated
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct GtsIndication {
/// The short address of the device that has been allocated or deallocated a GTS
pub device_address: [u8; 2],
/// The characteristics of the GTS
pub gts_characteristics: u8,
/// Security level to be used
pub security_level: SecurityLevel,
/// Mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// Index of the key to be used
pub key_index: u8,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 2],
/// Originator of the key to be used
pub key_source: [u8; 8],
}
impl ParseableMacEvent for GtsIndication {}
/// MLME ORPHAN Indication which is used by the coordinator to notify the
/// application of the presence of an orphaned device
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct OrphanIndication {
/// Extended address of the orphaned device
pub orphan_address: [u8; 8],
/// Originator of the key used by the originator of the received frame
pub key_source: [u8; 8],
/// Security level purportedly used by the received MAC command frame
pub security_level: SecurityLevel,
/// Mode used to identify the key used by originator of received frame
pub key_id_mode: KeyIdMode,
/// Index of the key used by the originator of the received frame
pub key_index: u8,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 1],
}
impl ParseableMacEvent for OrphanIndication {}
/// MLME SYNC LOSS Indication which is used by the MAC to indicate the loss
/// of synchronization with the coordinator
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct SyncLossIndication {
/// The PAN identifier with which the device lost synchronization or to which it was realigned
pub pan_id: PanId,
/// The reason that synchronization was lost
pub loss_reason: u8,
/// The logical channel on which the device lost synchronization or to whi
pub channel_number: MacChannel,
/// The channel page on which the device lost synchronization or to which
pub channel_page: u8,
/// The security level used by the received MAC frame
pub security_level: SecurityLevel,
/// Mode used to identify the key used by originator of received frame
pub key_id_mode: KeyIdMode,
/// Index of the key used by the originator of the received frame
pub key_index: u8,
/// Originator of the key used by the originator of the received frame
pub key_source: [u8; 8],
}
impl ParseableMacEvent for SyncLossIndication {}
/// MLME DPS Indication which indicates the expiration of the DPSIndexDuration
/// and the resetting of the DPS values in the PHY
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DpsIndication {
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 4],
}
impl ParseableMacEvent for DpsIndication {}
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DataIndication {
/// Pointer to the set of octets forming the MSDU being indicated
pub msdu_ptr: *const u8,
/// Source addressing mode used
pub src_addr_mode: AddressMode,
/// Source PAN ID
pub src_pan_id: PanId,
/// Source address
pub src_address: MacAddress,
/// Destination addressing mode used
pub dst_addr_mode: AddressMode,
/// Destination PAN ID
pub dst_pan_id: PanId,
/// Destination address
pub dst_address: MacAddress,
/// The number of octets contained in the MSDU being indicated
pub msdu_length: u8,
/// QI value measured during reception of the MPDU
pub mpdu_link_quality: u8,
/// The data sequence number of the received data frame
pub dsn: u8,
/// The time, in symbols, at which the data were received
pub time_stamp: [u8; 4],
/// The security level purportedly used by the received data frame
security_level: SecurityLevel,
/// Mode used to identify the key used by originator of received frame
key_id_mode: KeyIdMode,
/// The originator of the key
pub key_source: [u8; 8],
/// The index of the key
pub key_index: u8,
/// he pulse repetition value of the received PPDU
pub uwbprf: u8,
/// The preamble symbol repetitions of the UWB PHY frame
pub uwn_preamble_symbol_repetitions: u8,
/// Indicates the data rate
pub datrate: u8,
/// time units corresponding to an RMARKER at the antenna at the end of a ranging exchange,
pub ranging_received: u8,
pub ranging_counter_start: u32,
pub ranging_counter_stop: u32,
/// ime units in a message exchange over which the tracking offset was measured
pub ranging_tracking_interval: u32,
/// time units slipped or advanced by the radio tracking system
pub ranging_offset: u32,
/// The FoM characterizing the ranging measurement
pub ranging_fom: u8,
/// The Received Signal Strength Indicator measured
pub rssi: u8,
}
impl ParseableMacEvent for DataIndication {}
impl DataIndication {
pub fn payload<'a>(&'a self) -> &'a mut [u8] {
unsafe { slice::from_raw_parts_mut(self.msdu_ptr as *mut _, self.msdu_length as usize) }
}
}
/// MLME POLL Indication which will be used for indicating the Data Request
/// reception to upper layer as defined in Zigbee r22 - D.8.2
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct PollIndication {
/// addressing mode used
pub addr_mode: AddressMode,
/// Poll requester address
pub request_address: MacAddress,
}
impl ParseableMacEvent for PollIndication {}

32
embassy-stm32-wpan/src/mac/macros.rs Normal file
View File

@ -0,0 +1,32 @@
#[macro_export]
macro_rules! numeric_enum {
(#[repr($repr:ident)]
$(#$attrs:tt)* $vis:vis enum $name:ident {
$($(#$enum_attrs:tt)* $enum:ident = $constant:expr),* $(,)?
} ) => {
#[repr($repr)]
$(#$attrs)*
$vis enum $name {
$($(#$enum_attrs)* $enum = $constant),*
}
impl ::core::convert::TryFrom<$repr> for $name {
type Error = ();
fn try_from(value: $repr) -> ::core::result::Result<Self, ()> {
match value {
$($constant => Ok( $name :: $enum ),)*
_ => Err(())
}
}
}
impl ::core::convert::From<$name> for $repr {
fn from(value: $name) -> $repr {
match value {
$($name :: $enum => $constant,)*
}
}
}
}
}

21
embassy-stm32-wpan/src/mac/mod.rs Normal file
View File

@ -0,0 +1,21 @@
pub mod commands;
mod consts;
pub mod control;
mod driver;
pub mod event;
pub mod indications;
mod macros;
mod opcodes;
pub mod responses;
pub mod runner;
pub mod typedefs;
pub use crate::mac::control::Control;
use crate::mac::driver::Driver;
pub use crate::mac::runner::Runner;
const MTU: usize = 127;
pub async fn new<'a>(runner: &'a Runner<'a>) -> (Control<'a>, Driver<'a>) {
(Control::new(runner), Driver::new(runner))
}

92
embassy-stm32-wpan/src/mac/opcodes.rs Normal file
View File

@ -0,0 +1,92 @@
const ST_VENDOR_OGF: u16 = 0x3F;
const MAC_802_15_4_CMD_OPCODE_OFFSET: u16 = 0x280;
const fn opcode(ocf: u16) -> isize {
((ST_VENDOR_OGF << 9) | (MAC_802_15_4_CMD_OPCODE_OFFSET + ocf)) as isize
}
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum OpcodeM4ToM0 {
MlmeAssociateReq = opcode(0x00),
MlmeAssociateRes = opcode(0x01),
MlmeDisassociateReq = opcode(0x02),
MlmeGetReq = opcode(0x03),
MlmeGtsReq = opcode(0x04),
MlmeOrphanRes = opcode(0x05),
MlmeResetReq = opcode(0x06),
MlmeRxEnableReq = opcode(0x07),
MlmeScanReq = opcode(0x08),
MlmeSetReq = opcode(0x09),
MlmeStartReq = opcode(0x0A),
MlmeSyncReq = opcode(0x0B),
MlmePollReq = opcode(0x0C),
MlmeDpsReq = opcode(0x0D),
MlmeSoundingReq = opcode(0x0E),
MlmeCalibrateReq = opcode(0x0F),
McpsDataReq = opcode(0x10),
McpsPurgeReq = opcode(0x11),
}
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum OpcodeM0ToM4 {
MlmeAssociateCnf = 0x00,
MlmeDisassociateCnf,
MlmeGetCnf,
MlmeGtsCnf,
MlmeResetCnf,
MlmeRxEnableCnf,
MlmeScanCnf,
MlmeSetCnf,
MlmeStartCnf,
MlmePollCnf,
MlmeDpsCnf,
MlmeSoundingCnf,
MlmeCalibrateCnf,
McpsDataCnf,
McpsPurgeCnf,
MlmeAssociateInd,
MlmeDisassociateInd,
MlmeBeaconNotifyInd,
MlmeCommStatusInd,
MlmeGtsInd,
MlmeOrphanInd,
MlmeSyncLossInd,
MlmeDpsInd,
McpsDataInd,
MlmePollInd,
}
impl TryFrom<u16> for OpcodeM0ToM4 {
type Error = ();
fn try_from(value: u16) -> Result<Self, Self::Error> {
match value {
0 => Ok(Self::MlmeAssociateCnf),
1 => Ok(Self::MlmeDisassociateCnf),
2 => Ok(Self::MlmeGetCnf),
3 => Ok(Self::MlmeGtsCnf),
4 => Ok(Self::MlmeResetCnf),
5 => Ok(Self::MlmeRxEnableCnf),
6 => Ok(Self::MlmeScanCnf),
7 => Ok(Self::MlmeSetCnf),
8 => Ok(Self::MlmeStartCnf),
9 => Ok(Self::MlmePollCnf),
10 => Ok(Self::MlmeDpsCnf),
11 => Ok(Self::MlmeSoundingCnf),
12 => Ok(Self::MlmeCalibrateCnf),
13 => Ok(Self::McpsDataCnf),
14 => Ok(Self::McpsPurgeCnf),
15 => Ok(Self::MlmeAssociateInd),
16 => Ok(Self::MlmeDisassociateInd),
17 => Ok(Self::MlmeBeaconNotifyInd),
18 => Ok(Self::MlmeCommStatusInd),
19 => Ok(Self::MlmeGtsInd),
20 => Ok(Self::MlmeOrphanInd),
21 => Ok(Self::MlmeSyncLossInd),
22 => Ok(Self::MlmeDpsInd),
23 => Ok(Self::McpsDataInd),
24 => Ok(Self::MlmePollInd),
_ => Err(()),
}
}
}

273
embassy-stm32-wpan/src/mac/responses.rs Normal file
View File

@ -0,0 +1,273 @@
use super::consts::{MAX_ED_SCAN_RESULTS_SUPPORTED, MAX_PAN_DESC_SUPPORTED, MAX_SOUNDING_LIST_SUPPORTED};
use super::event::ParseableMacEvent;
use super::typedefs::{
AddressMode, AssociationStatus, KeyIdMode, MacAddress, MacStatus, PanDescriptor, PanId, PibId, ScanType,
SecurityLevel,
};
/// MLME ASSOCIATE Confirm used to inform of the initiating device whether
/// its request to associate was successful or unsuccessful
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct AssociateConfirm {
/// short address allocated by the coordinator on successful association
pub assoc_short_address: [u8; 2],
/// status of the association request
pub status: AssociationStatus,
/// security level to be used
pub security_level: SecurityLevel,
/// the originator of the key to be used
pub key_source: [u8; 8],
/// the mode used to identify the key to be used
pub key_id_mode: KeyIdMode,
/// the index of the key to be used
pub key_index: u8,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 2],
}
impl ParseableMacEvent for AssociateConfirm {}
/// MLME DISASSOCIATE Confirm used to send disassociation Confirmation to the application.
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DisassociateConfirm {
/// status of the disassociation attempt
pub status: MacStatus,
/// device addressing mode used
pub device_addr_mode: AddressMode,
/// the identifier of the PAN of the device
pub device_pan_id: PanId,
/// device address
pub device_address: MacAddress,
}
impl ParseableMacEvent for DisassociateConfirm {}
/// MLME GET Confirm which requests information about a given PIB attribute
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct GetConfirm {
/// The pointer to the value of the PIB attribute attempted to read
pub pib_attribute_value_ptr: *const u8,
/// Status of the GET attempt
pub status: MacStatus,
/// The name of the PIB attribute attempted to read
pub pib_attribute: PibId,
/// The lenght of the PIB attribute Value return
pub pib_attribute_value_len: u8,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 1],
}
impl ParseableMacEvent for GetConfirm {}
/// MLME GTS Confirm which eports the results of a request to allocate a new GTS
/// or to deallocate an existing GTS
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct GtsConfirm {
/// The characteristics of the GTS
pub gts_characteristics: u8,
/// The status of the GTS reques
pub status: MacStatus,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 2],
}
impl ParseableMacEvent for GtsConfirm {}
/// MLME RESET Confirm which is used to report the results of the reset operation
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct ResetConfirm {
/// The result of the reset operation
pub status: MacStatus,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 3],
}
impl ParseableMacEvent for ResetConfirm {}
/// MLME RX ENABLE Confirm which is used to report the results of the attempt
/// to enable or disable the receiver
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct RxEnableConfirm {
/// Result of the request to enable or disable the receiver
pub status: MacStatus,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 3],
}
impl ParseableMacEvent for RxEnableConfirm {}
/// MLME SCAN Confirm which is used to report the result of the channel scan request
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct ScanConfirm {
/// Status of the scan request
pub status: MacStatus,
/// The type of scan performed
pub scan_type: ScanType,
/// Channel page on which the scan was performed
pub channel_page: u8,
/// Channels given in the request which were not scanned
pub unscanned_channels: [u8; 4],
/// Number of elements returned in the appropriate result lists
pub result_list_size: u8,
/// List of energy measurements
pub energy_detect_list: [u8; MAX_ED_SCAN_RESULTS_SUPPORTED],
/// List of PAN descriptors
pub pan_descriptor_list: [PanDescriptor; MAX_PAN_DESC_SUPPORTED],
/// Categorization of energy detected in channel
pub detected_category: u8,
/// For UWB PHYs, the list of energy measurements taken
pub uwb_energy_detect_list: [u8; MAX_ED_SCAN_RESULTS_SUPPORTED],
}
impl ParseableMacEvent for ScanConfirm {}
/// MLME SET Confirm which reports the result of an attempt to write a value to a PIB attribute
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct SetConfirm {
/// The result of the set operation
pub status: MacStatus,
/// The name of the PIB attribute that was written
pub pin_attribute: PibId,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 2],
}
impl ParseableMacEvent for SetConfirm {}
/// MLME START Confirm which is used to report the results of the attempt to
/// start using a new superframe configuration
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct StartConfirm {
/// Result of the attempt to start using an updated superframe configuration
pub status: MacStatus,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 3],
}
impl ParseableMacEvent for StartConfirm {}
/// MLME POLL Confirm which is used to report the result of a request to poll the coordinator for data
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct PollConfirm {
/// The status of the data request
pub status: MacStatus,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 3],
}
impl ParseableMacEvent for PollConfirm {}
/// MLME DPS Confirm which reports the results of the attempt to enable or disable the DPS
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DpsConfirm {
/// The status of the DPS request
pub status: MacStatus,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 3],
}
impl ParseableMacEvent for DpsConfirm {}
/// MLME SOUNDING Confirm which reports the result of a request to the PHY to provide
/// channel sounding information
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct SoundingConfirm {
/// Results of the sounding measurement
pub sounding_list: [u8; MAX_SOUNDING_LIST_SUPPORTED],
status: u8,
}
impl ParseableMacEvent for SoundingConfirm {}
/// MLME CALIBRATE Confirm which reports the result of a request to the PHY
/// to provide internal propagation path information
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct CalibrateConfirm {
/// The status of the attempt to return sounding data
pub status: MacStatus,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 3],
/// A count of the propagation time from the ranging counter
/// to the transmit antenna
pub cal_tx_rmaker_offset: u32,
/// A count of the propagation time from the receive antenna
/// to the ranging counter
pub cal_rx_rmaker_offset: u32,
}
impl ParseableMacEvent for CalibrateConfirm {}
/// MCPS DATA Confirm which will be used for reporting the results of
/// MAC data related requests from the application
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct DataConfirm {
/// The handle associated with the MSDU being confirmed
pub msdu_handle: u8,
/// The time, in symbols, at which the data were transmitted
pub time_stamp: [u8; 4],
/// ranging status
pub ranging_received: u8,
/// The status of the last MSDU transmission
pub status: MacStatus,
/// time units corresponding to an RMARKER at the antenna at
/// the beginning of a ranging exchange
pub ranging_counter_start: u32,
/// time units corresponding to an RMARKER at the antenna
/// at the end of a ranging exchange
pub ranging_counter_stop: u32,
/// time units in a message exchange over which the tracking offset was measured
pub ranging_tracking_interval: u32,
/// time units slipped or advanced by the radio tracking system
pub ranging_offset: u32,
/// The FoM characterizing the ranging measurement
pub ranging_fom: u8,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 3],
}
impl ParseableMacEvent for DataConfirm {}
/// MCPS PURGE Confirm which will be used by the MAC to notify the application of
/// the status of its request to purge an MSDU from the transaction queue
#[repr(C)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct PurgeConfirm {
/// Handle associated with the MSDU requested to be purged from the transaction queue
pub msdu_handle: u8,
/// The status of the request
pub status: MacStatus,
/// byte stuffing to keep 32 bit alignment
a_stuffing: [u8; 2],
}
impl ParseableMacEvent for PurgeConfirm {}

109
embassy-stm32-wpan/src/mac/runner.rs Normal file
View File

@ -0,0 +1,109 @@
use core::cell::RefCell;
use embassy_futures::join;
use embassy_sync::blocking_mutex;
use embassy_sync::blocking_mutex::raw::{CriticalSectionRawMutex, NoopRawMutex};
use embassy_sync::channel::Channel;
use embassy_sync::mutex::Mutex;
use embassy_sync::signal::Signal;
use crate::mac::commands::DataRequest;
use crate::mac::event::MacEvent;
use crate::mac::typedefs::{AddressMode, MacAddress, PanId, SecurityLevel};
use crate::mac::MTU;
use crate::sub::mac::Mac;
type ZeroCopyPubSub<M, T> = blocking_mutex::Mutex<M, RefCell<Option<Signal<NoopRawMutex, T>>>>;
pub struct Runner<'a> {
pub(crate) mac_subsystem: Mac,
// rx event backpressure is already provided through the MacEvent drop mechanism
// therefore, we don't need to worry about overwriting events
pub(crate) rx_event_channel: ZeroCopyPubSub<CriticalSectionRawMutex, MacEvent<'a>>,
pub(crate) read_mutex: Mutex<CriticalSectionRawMutex, ()>,
pub(crate) write_mutex: Mutex<CriticalSectionRawMutex, ()>,
pub(crate) rx_channel: Channel<CriticalSectionRawMutex, MacEvent<'a>, 1>,
pub(crate) tx_channel: Channel<CriticalSectionRawMutex, (&'a mut [u8; MTU], usize), 5>,
pub(crate) tx_buf_channel: Channel<CriticalSectionRawMutex, &'a mut [u8; MTU], 5>,
}
impl<'a> Runner<'a> {
pub fn new(mac: Mac, tx_buf_queue: [&'a mut [u8; MTU]; 5]) -> Self {
let this = Self {
mac_subsystem: mac,
rx_event_channel: blocking_mutex::Mutex::new(RefCell::new(None)),
read_mutex: Mutex::new(()),
write_mutex: Mutex::new(()),
rx_channel: Channel::new(),
tx_channel: Channel::new(),
tx_buf_channel: Channel::new(),
};
for buf in tx_buf_queue {
this.tx_buf_channel.try_send(buf).unwrap();
}
this
}
pub async fn run(&'a self) -> ! {
join::join(
async {
loop {
if let Ok(mac_event) = self.mac_subsystem.read().await {
match mac_event {
MacEvent::McpsDataInd(_) => {
self.rx_channel.send(mac_event).await;
}
_ => {
self.rx_event_channel.lock(|s| {
match &*s.borrow() {
Some(signal) => {
signal.signal(mac_event);
}
None => {}
};
});
}
}
}
}
},
async {
let mut msdu_handle = 0x02;
loop {
let (buf, len) = self.tx_channel.recv().await;
let _wm = self.write_mutex.lock().await;
// The mutex should be dropped on the next loop iteration
self.mac_subsystem
.send_command(
DataRequest {
src_addr_mode: AddressMode::Short,
dst_addr_mode: AddressMode::Short,
dst_pan_id: PanId([0x1A, 0xAA]),
dst_address: MacAddress::BROADCAST,
msdu_handle: msdu_handle,
ack_tx: 0x00,
gts_tx: false,
security_level: SecurityLevel::Unsecure,
..Default::default()
}
.set_buffer(&buf[..len]),
)
.await
.unwrap();
msdu_handle = msdu_handle.wrapping_add(1);
// The tx channel should always be of equal capacity to the tx_buf channel
self.tx_buf_channel.try_send(buf).unwrap();
}
},
)
.await;
loop {}
}
}

381
embassy-stm32-wpan/src/mac/typedefs.rs Normal file
View File

@ -0,0 +1,381 @@
use core::fmt::Debug;
use crate::numeric_enum;
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum MacError {
Error = 0x01,
NotImplemented = 0x02,
NotSupported = 0x03,
HardwareNotSupported = 0x04,
Undefined = 0x05,
}
impl From<u8> for MacError {
fn from(value: u8) -> Self {
match value {
0x01 => Self::Error,
0x02 => Self::NotImplemented,
0x03 => Self::NotSupported,
0x04 => Self::HardwareNotSupported,
0x05 => Self::Undefined,
_ => Self::Undefined,
}
}
}
numeric_enum! {
#[repr(u8)]
#[derive(Debug, Default)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum MacStatus {
#[default]
Success = 0x00,
Failure = 0xFF
}
}
numeric_enum! {
#[repr(u8)]
/// this enum contains all the MAC PIB Ids
#[derive(Default, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum PibId {
// PHY
#[default]
CurrentChannel = 0x00,
ChannelsSupported = 0x01,
TransmitPower = 0x02,
CCAMode = 0x03,
CurrentPage = 0x04,
MaxFrameDuration = 0x05,
SHRDuration = 0x06,
SymbolsPerOctet = 0x07,
// MAC
AckWaitDuration = 0x40,
AssociationPermit = 0x41,
AutoRequest = 0x42,
BeaconPayload = 0x45,
BeaconPayloadLength = 0x46,
BeaconOrder = 0x47,
Bsn = 0x49,
CoordExtendedAdddress = 0x4A,
CoordShortAddress = 0x4B,
Dsn = 0x4C,
MaxFrameTotalWaitTime = 0x58,
MaxFrameRetries = 0x59,
PanId = 0x50,
ResponseWaitTime = 0x5A,
RxOnWhenIdle = 0x52,
SecurityEnabled = 0x5D,
ShortAddress = 0x53,
SuperframeOrder = 0x54,
TimestampSupported = 0x5C,
TransactionPersistenceTime = 0x55,
MaxBe = 0x57,
LifsPeriod = 0x5E,
SifsPeriod = 0x5F,
MaxCsmaBackoffs = 0x4E,
MinBe = 0x4F,
PanCoordinator = 0x10,
AssocPanCoordinator = 0x11,
ExtendedAddress = 0x6F,
AclEntryDescriptor = 0x70,
AclEntryDescriptorSize = 0x71,
DefaultSecurity = 0x72,
DefaultSecurityMaterialLength = 0x73,
DefaultSecurityMaterial = 0x74,
DefaultSecuritySuite = 0x75,
SecurityMode = 0x76,
CurrentAclEntries = 0x80,
DefaultSecurityExtendedAddress = 0x81,
AssociatedPanCoordinator = 0x56,
PromiscuousMode = 0x51,
}
}
numeric_enum! {
#[repr(u8)]
#[derive(Default, Clone, Copy, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum AddressMode {
#[default]
NoAddress = 0x00,
Reserved = 0x01,
Short = 0x02,
Extended = 0x03,
}
}
#[derive(Clone, Copy)]
pub union MacAddress {
pub short: [u8; 2],
pub extended: [u8; 8],
}
impl Debug for MacAddress {
fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
unsafe {
write!(
fmt,
"MacAddress {{ short: {:?}, extended: {:?} }}",
self.short, self.extended
)
}
}
}
#[cfg(feature = "defmt")]
impl defmt::Format for MacAddress {
fn format(&self, fmt: defmt::Formatter) {
unsafe {
defmt::write!(
fmt,
"MacAddress {{ short: {}, extended: {} }}",
self.short,
self.extended
)
}
}
}
impl Default for MacAddress {
fn default() -> Self {
Self { short: [0, 0] }
}
}
impl MacAddress {
pub const BROADCAST: Self = Self { short: [0xFF, 0xFF] };
}
impl TryFrom<&[u8]> for MacAddress {
type Error = ();
fn try_from(buf: &[u8]) -> Result<Self, Self::Error> {
const SIZE: usize = 8;
if buf.len() < SIZE {
return Err(());
}
Ok(Self {
extended: [buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]],
})
}
}
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct GtsCharacteristics {
pub fields: u8,
}
/// MAC PAN Descriptor which contains the network details of the device from
/// which the beacon is received
#[derive(Default, Clone, Copy, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct PanDescriptor {
/// PAN identifier of the coordinator
pub coord_pan_id: PanId,
/// Coordinator addressing mode
pub coord_addr_mode: AddressMode,
/// The current logical channel occupied by the network
pub logical_channel: MacChannel,
/// Coordinator address
pub coord_addr: MacAddress,
/// The current channel page occupied by the network
pub channel_page: u8,
/// PAN coordinator is accepting GTS requests or not
pub gts_permit: bool,
/// Superframe specification as specified in the received beacon frame
pub superframe_spec: [u8; 2],
/// The time at which the beacon frame was received, in symbols
pub time_stamp: [u8; 4],
/// The LQI at which the network beacon was received
pub link_quality: u8,
/// Security level purportedly used by the received beacon frame
pub security_level: u8,
}
impl TryFrom<&[u8]> for PanDescriptor {
type Error = ();
fn try_from(buf: &[u8]) -> Result<Self, Self::Error> {
const SIZE: usize = 22;
if buf.len() < SIZE {
return Err(());
}
let coord_addr_mode = AddressMode::try_from(buf[2])?;
let coord_addr = match coord_addr_mode {
AddressMode::NoAddress => MacAddress { short: [0, 0] },
AddressMode::Reserved => MacAddress { short: [0, 0] },
AddressMode::Short => MacAddress {
short: [buf[4], buf[5]],
},
AddressMode::Extended => MacAddress {
extended: [buf[4], buf[5], buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]],
},
};
Ok(Self {
coord_pan_id: PanId([buf[0], buf[1]]),
coord_addr_mode,
logical_channel: MacChannel::try_from(buf[3])?,
coord_addr,
channel_page: buf[12],
gts_permit: buf[13] != 0,
superframe_spec: [buf[14], buf[15]],
time_stamp: [buf[16], buf[17], buf[18], buf[19]],
link_quality: buf[20],
security_level: buf[21],
// 2 byte stuffing
})
}
}
numeric_enum! {
#[repr(u8)]
#[derive(Default, Clone, Copy, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
/// Building wireless applications with STM32WB series MCUs - Application note 13.10.3
pub enum MacChannel {
Channel11 = 0x0B,
Channel12 = 0x0C,
Channel13 = 0x0D,
Channel14 = 0x0E,
Channel15 = 0x0F,
#[default]
Channel16 = 0x10,
Channel17 = 0x11,
Channel18 = 0x12,
Channel19 = 0x13,
Channel20 = 0x14,
Channel21 = 0x15,
Channel22 = 0x16,
Channel23 = 0x17,
Channel24 = 0x18,
Channel25 = 0x19,
Channel26 = 0x1A,
}
}
#[cfg(not(feature = "defmt"))]
bitflags::bitflags! {
pub struct Capabilities: u8 {
/// 1 if the device is capabaleof becoming a PAN coordinator
const IS_COORDINATOR_CAPABLE = 0b00000001;
/// 1 if the device is an FFD, 0 if it is an RFD
const IS_FFD = 0b00000010;
/// 1 if the device is receiving power from mains, 0 if it is battery-powered
const IS_MAINS_POWERED = 0b00000100;
/// 1 if the device does not disable its receiver to conserver power during idle periods
const RECEIVER_ON_WHEN_IDLE = 0b00001000;
// 0b00010000 reserved
// 0b00100000 reserved
/// 1 if the device is capable of sending and receiving secured MAC frames
const IS_SECURE = 0b01000000;
/// 1 if the device wishes the coordinator to allocate a short address as a result of the association
const ALLOCATE_ADDRESS = 0b10000000;
}
}
#[cfg(feature = "defmt")]
defmt::bitflags! {
pub struct Capabilities: u8 {
/// 1 if the device is capabaleof becoming a PAN coordinator
const IS_COORDINATOR_CAPABLE = 0b00000001;
/// 1 if the device is an FFD, 0 if it is an RFD
const IS_FFD = 0b00000010;
/// 1 if the device is receiving power from mains, 0 if it is battery-powered
const IS_MAINS_POWERED = 0b00000100;
/// 1 if the device does not disable its receiver to conserver power during idle periods
const RECEIVER_ON_WHEN_IDLE = 0b00001000;
// 0b00010000 reserved
// 0b00100000 reserved
/// 1 if the device is capable of sending and receiving secured MAC frames
const IS_SECURE = 0b01000000;
/// 1 if the device wishes the coordinator to allocate a short address as a result of the association
const ALLOCATE_ADDRESS = 0b10000000;
}
}
numeric_enum! {
#[repr(u8)]
#[derive(Default, Clone, Copy, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum KeyIdMode {
#[default]
/// the key is determined implicitly from the originator and recipient(s) of the frame
Implicite = 0x00,
/// the key is determined explicitly using a 1 bytes key source and a 1 byte key index
Explicite1Byte = 0x01,
/// the key is determined explicitly using a 4 bytes key source and a 1 byte key index
Explicite4Byte = 0x02,
/// the key is determined explicitly using a 8 bytes key source and a 1 byte key index
Explicite8Byte = 0x03,
}
}
numeric_enum! {
#[repr(u8)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum AssociationStatus {
/// Association successful
Success = 0x00,
/// PAN at capacity
PanAtCapacity = 0x01,
/// PAN access denied
PanAccessDenied = 0x02
}
}
numeric_enum! {
#[repr(u8)]
#[derive(Clone, Copy, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum DisassociationReason {
/// The coordinator wishes the device to leave the PAN.
CoordRequested = 0x01,
/// The device wishes to leave the PAN.
DeviceRequested = 0x02,
}
}
numeric_enum! {
#[repr(u8)]
#[derive(Default, Clone, Copy, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum SecurityLevel {
/// MAC Unsecured Mode Security
#[default]
Unsecure = 0x00,
/// MAC ACL Mode Security
AclMode = 0x01,
/// MAC Secured Mode Security
Secured = 0x02,
}
}
numeric_enum! {
#[repr(u8)]
#[derive(Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum ScanType {
EdScan = 0x00,
Active = 0x01,
Passive = 0x02,
Orphan = 0x03
}
}
/// newtype for Pan Id
#[derive(Default, Clone, Copy, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct PanId(pub [u8; 2]);
impl PanId {
pub const BROADCAST: Self = Self([0xFF, 0xFF]);
}

48
embassy-stm32-wpan/src/sub/mac.rs
View File

@ -11,9 +11,10 @@ use embassy_sync::waitqueue::AtomicWaker;
use crate::cmd::CmdPacket;
use crate::consts::TlPacketType;
use crate::evt::{EvtBox, EvtPacket};
use crate::tables::{
Mac802_15_4Table, MAC_802_15_4_CMD_BUFFER, MAC_802_15_4_NOTIF_RSP_EVT_BUFFER, TL_MAC_802_15_4_TABLE,
};
use crate::mac::commands::MacCommand;
use crate::mac::event::MacEvent;
use crate::mac::typedefs::MacError;
use crate::tables::{MAC_802_15_4_CMD_BUFFER, MAC_802_15_4_NOTIF_RSP_EVT_BUFFER};
use crate::{channels, evt};
static MAC_WAKER: AtomicWaker = AtomicWaker::new();
@ -25,21 +26,13 @@ pub struct Mac {
impl Mac {
pub(crate) fn new() -> Self {
unsafe {
TL_MAC_802_15_4_TABLE.as_mut_ptr().write_volatile(Mac802_15_4Table {
p_cmdrsp_buffer: MAC_802_15_4_CMD_BUFFER.as_mut_ptr().cast(),
p_notack_buffer: MAC_802_15_4_NOTIF_RSP_EVT_BUFFER.as_mut_ptr().cast(),
evt_queue: ptr::null_mut(),
});
}
Self { phantom: PhantomData }
}
/// `HW_IPCC_MAC_802_15_4_EvtNot`
///
/// This function will stall if the previous `EvtBox` has not been dropped
pub async fn read(&self) -> EvtBox<Self> {
pub async fn tl_read(&self) -> EvtBox<Self> {
// Wait for the last event box to be dropped
poll_fn(|cx| {
MAC_WAKER.register(cx.waker());
@ -63,9 +56,9 @@ impl Mac {
}
/// `HW_IPCC_MAC_802_15_4_CmdEvtNot`
pub async fn write_and_get_response(&self, opcode: u16, payload: &[u8]) -> u8 {
self.write(opcode, payload).await;
Ipcc::flush(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL).await;
pub async fn tl_write_and_get_response(&self, opcode: u16, payload: &[u8]) -> u8 {
self.tl_write(opcode, payload).await;
Ipcc::flush(channels::cpu1::IPCC_MAC_802_15_4_CMD_RSP_CHANNEL).await;
unsafe {
let p_event_packet = MAC_802_15_4_CMD_BUFFER.as_ptr() as *const EvtPacket;
@ -76,22 +69,41 @@ impl Mac {
}
/// `TL_MAC_802_15_4_SendCmd`
pub async fn write(&self, opcode: u16, payload: &[u8]) {
pub async fn tl_write(&self, opcode: u16, payload: &[u8]) {
Ipcc::send(channels::cpu1::IPCC_MAC_802_15_4_CMD_RSP_CHANNEL, || unsafe {
CmdPacket::write_into(
MAC_802_15_4_CMD_BUFFER.as_mut_ptr(),
TlPacketType::OtCmd,
TlPacketType::MacCmd,
opcode,
payload,
);
})
.await;
}
pub async fn send_command<T>(&self, cmd: &T) -> Result<(), MacError>
where
T: MacCommand,
{
let response = self.tl_write_and_get_response(T::OPCODE as u16, cmd.payload()).await;
if response == 0x00 {
Ok(())
} else {
Err(MacError::from(response))
}
}
pub async fn read(&self) -> Result<MacEvent<'_>, ()> {
MacEvent::new(self.tl_read().await)
}
}
impl evt::MemoryManager for Mac {
/// SAFETY: passing a pointer to something other than a managed event packet is UB
unsafe fn drop_event_packet(_: *mut EvtPacket) {
trace!("mac drop event");
// Write the ack
CmdPacket::write_into(
MAC_802_15_4_NOTIF_RSP_EVT_BUFFER.as_mut_ptr() as *mut _,
@ -101,7 +113,7 @@ impl evt::MemoryManager for Mac {
);
// Clear the rx flag
let _ = poll_once(Ipcc::receive::<bool>(
let _ = poll_once(Ipcc::receive::<()>(
channels::cpu2::IPCC_MAC_802_15_4_NOTIFICATION_ACK_CHANNEL,
|| None,
));

12
embassy-stm32-wpan/src/sub/mm.rs
View File

@ -4,20 +4,21 @@ use core::marker::PhantomData;
use core::mem::MaybeUninit;
use core::task::Poll;
use aligned::{Aligned, A4};
use cortex_m::interrupt;
use embassy_stm32::ipcc::Ipcc;
use embassy_sync::waitqueue::AtomicWaker;
use crate::consts::POOL_SIZE;
use crate::evt::EvtPacket;
use crate::tables::{
MemManagerTable, BLE_SPARE_EVT_BUF, EVT_POOL, FREE_BUF_QUEUE, SYS_SPARE_EVT_BUF, TL_MEM_MANAGER_TABLE,
};
#[cfg(feature = "ble")]
use crate::tables::BLE_SPARE_EVT_BUF;
use crate::tables::{MemManagerTable, EVT_POOL, FREE_BUF_QUEUE, SYS_SPARE_EVT_BUF, TL_MEM_MANAGER_TABLE};
use crate::unsafe_linked_list::LinkedListNode;
use crate::{channels, evt};
static MM_WAKER: AtomicWaker = AtomicWaker::new();
static mut LOCAL_FREE_BUF_QUEUE: MaybeUninit<LinkedListNode> = MaybeUninit::uninit();
static mut LOCAL_FREE_BUF_QUEUE: Aligned<A4, MaybeUninit<LinkedListNode>> = Aligned(MaybeUninit::uninit());
pub struct MemoryManager {
phantom: PhantomData<MemoryManager>,
@ -30,7 +31,10 @@ impl MemoryManager {
LinkedListNode::init_head(LOCAL_FREE_BUF_QUEUE.as_mut_ptr());
TL_MEM_MANAGER_TABLE.as_mut_ptr().write_volatile(MemManagerTable {
#[cfg(feature = "ble")]
spare_ble_buffer: BLE_SPARE_EVT_BUF.as_ptr().cast(),
#[cfg(not(feature = "ble"))]
spare_ble_buffer: core::ptr::null(),
spare_sys_buffer: SYS_SPARE_EVT_BUF.as_ptr().cast(),
blepool: EVT_POOL.as_ptr().cast(),
blepoolsize: POOL_SIZE as u32,

27
embassy-stm32-wpan/src/sub/sys.rs
View File

@ -50,7 +50,7 @@ impl Sys {
}
/// `HW_IPCC_SYS_CmdEvtNot`
pub async fn write_and_get_response(&self, opcode: ShciOpcode, payload: &[u8]) -> SchiCommandStatus {
pub async fn write_and_get_response(&self, opcode: ShciOpcode, payload: &[u8]) -> Result<SchiCommandStatus, ()> {
self.write(opcode, payload).await;
Ipcc::flush(channels::cpu1::IPCC_SYSTEM_CMD_RSP_CHANNEL).await;
@ -59,17 +59,36 @@ impl Sys {
let p_command_event = &((*p_event_packet).evt_serial.evt.payload) as *const _ as *const CcEvt;
let p_payload = &((*p_command_event).payload) as *const u8;
ptr::read_volatile(p_payload).try_into().unwrap()
ptr::read_volatile(p_payload).try_into()
}
}
#[cfg(feature = "mac")]
pub async fn shci_c2_mac_802_15_4_init(&self) -> SchiCommandStatus {
pub async fn shci_c2_mac_802_15_4_init(&self) -> Result<SchiCommandStatus, ()> {
use crate::tables::{
Mac802_15_4Table, TracesTable, MAC_802_15_4_CMD_BUFFER, MAC_802_15_4_NOTIF_RSP_EVT_BUFFER,
TL_MAC_802_15_4_TABLE, TL_TRACES_TABLE, TRACES_EVT_QUEUE,
};
unsafe {
LinkedListNode::init_head(TRACES_EVT_QUEUE.as_mut_ptr() as *mut _);
TL_TRACES_TABLE.as_mut_ptr().write_volatile(TracesTable {
traces_queue: TRACES_EVT_QUEUE.as_ptr() as *const _,
});
TL_MAC_802_15_4_TABLE.as_mut_ptr().write_volatile(Mac802_15_4Table {
p_cmdrsp_buffer: MAC_802_15_4_CMD_BUFFER.as_mut_ptr().cast(),
p_notack_buffer: MAC_802_15_4_NOTIF_RSP_EVT_BUFFER.as_mut_ptr().cast(),
evt_queue: core::ptr::null_mut(),
});
};
self.write_and_get_response(ShciOpcode::Mac802_15_4Init, &[]).await
}
#[cfg(feature = "ble")]
pub async fn shci_c2_ble_init(&self, param: ShciBleInitCmdParam) -> SchiCommandStatus {
pub async fn shci_c2_ble_init(&self, param: ShciBleInitCmdParam) -> Result<SchiCommandStatus, ()> {
self.write_and_get_response(ShciOpcode::BleInit, param.payload()).await
}

96
embassy-stm32-wpan/src/tables.rs
View File

@ -4,6 +4,8 @@ use aligned::{Aligned, A4};
use bit_field::BitField;
use crate::cmd::{AclDataPacket, CmdPacket};
#[cfg(feature = "mac")]
use crate::consts::C_SIZE_CMD_STRING;
use crate::consts::{POOL_SIZE, TL_CS_EVT_SIZE, TL_EVT_HEADER_SIZE, TL_PACKET_HEADER_SIZE};
use crate::unsafe_linked_list::LinkedListNode;
@ -80,7 +82,7 @@ impl WirelessFwInfoTable {
}
#[derive(Debug, Clone)]
#[repr(C, align(4))]
#[repr(C)]
pub struct DeviceInfoTable {
pub safe_boot_info_table: SafeBootInfoTable,
pub rss_info_table: RssInfoTable,
@ -88,7 +90,7 @@ pub struct DeviceInfoTable {
}
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct BleTable {
pub pcmd_buffer: *mut CmdPacket,
pub pcs_buffer: *const u8,
@ -97,16 +99,15 @@ pub struct BleTable {
}
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct ThreadTable {
pub nostack_buffer: *const u8,
pub clicmdrsp_buffer: *const u8,
pub otcmdrsp_buffer: *const u8,
}
// TODO: use later
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct LldTestsTable {
pub clicmdrsp_buffer: *const u8,
pub m0cmd_buffer: *const u8,
@ -114,7 +115,7 @@ pub struct LldTestsTable {
// TODO: use later
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct BleLldTable {
pub cmdrsp_buffer: *const u8,
pub m0cmd_buffer: *const u8,
@ -122,7 +123,7 @@ pub struct BleLldTable {
// TODO: use later
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct ZigbeeTable {
pub notif_m0_to_m4_buffer: *const u8,
pub appli_cmd_m4_to_m0_bufer: *const u8,
@ -130,14 +131,14 @@ pub struct ZigbeeTable {
}
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct SysTable {
pub pcmd_buffer: *mut CmdPacket,
pub sys_queue: *const LinkedListNode,
}
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct MemManagerTable {
pub spare_ble_buffer: *const u8,
pub spare_sys_buffer: *const u8,
@ -152,13 +153,13 @@ pub struct MemManagerTable {
}
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct TracesTable {
pub traces_queue: *const u8,
}
#[derive(Debug)]
#[repr(C, align(4))]
#[repr(C)]
pub struct Mac802_15_4Table {
pub p_cmdrsp_buffer: *const u8,
pub p_notack_buffer: *const u8,
@ -176,6 +177,9 @@ pub struct RefTable {
pub mem_manager_table: *const MemManagerTable,
pub traces_table: *const TracesTable,
pub mac_802_15_4_table: *const Mac802_15_4Table,
pub zigbee_table: *const ZigbeeTable,
pub lld_tests_table: *const LldTestsTable,
pub ble_lld_table: *const BleLldTable,
}
// --------------------- ref table ---------------------
@ -183,57 +187,57 @@ pub struct RefTable {
pub static mut TL_REF_TABLE: MaybeUninit<RefTable> = MaybeUninit::uninit();
#[link_section = "MB_MEM1"]
pub static mut TL_DEVICE_INFO_TABLE: MaybeUninit<DeviceInfoTable> = MaybeUninit::uninit();
pub static mut TL_DEVICE_INFO_TABLE: Aligned<A4, MaybeUninit<DeviceInfoTable>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM1"]
pub static mut TL_BLE_TABLE: MaybeUninit<BleTable> = MaybeUninit::uninit();
pub static mut TL_BLE_TABLE: Aligned<A4, MaybeUninit<BleTable>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM1"]
pub static mut TL_THREAD_TABLE: MaybeUninit<ThreadTable> = MaybeUninit::uninit();
// #[link_section = "MB_MEM1"]
// pub static mut TL_LLD_TESTS_TABLE: MaybeUninit<LldTestTable> = MaybeUninit::uninit();
// #[link_section = "MB_MEM1"]
// pub static mut TL_BLE_LLD_TABLE: MaybeUninit<BleLldTable> = MaybeUninit::uninit();
pub static mut TL_THREAD_TABLE: Aligned<A4, MaybeUninit<ThreadTable>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM1"]
pub static mut TL_SYS_TABLE: MaybeUninit<SysTable> = MaybeUninit::uninit();
pub static mut TL_LLD_TESTS_TABLE: Aligned<A4, MaybeUninit<LldTestsTable>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM1"]
pub static mut TL_MEM_MANAGER_TABLE: MaybeUninit<MemManagerTable> = MaybeUninit::uninit();
pub static mut TL_BLE_LLD_TABLE: Aligned<A4, MaybeUninit<BleLldTable>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM1"]
pub static mut TL_TRACES_TABLE: MaybeUninit<TracesTable> = MaybeUninit::uninit();
pub static mut TL_SYS_TABLE: Aligned<A4, MaybeUninit<SysTable>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM1"]
pub static mut TL_MAC_802_15_4_TABLE: MaybeUninit<Mac802_15_4Table> = MaybeUninit::uninit();
pub static mut TL_MEM_MANAGER_TABLE: Aligned<A4, MaybeUninit<MemManagerTable>> = Aligned(MaybeUninit::uninit());
// #[link_section = "MB_MEM1"]
// pub static mut TL_ZIGBEE_TABLE: MaybeUninit<ZigbeeTable> = MaybeUninit::uninit();
#[link_section = "MB_MEM1"]
pub static mut TL_TRACES_TABLE: Aligned<A4, MaybeUninit<TracesTable>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM1"]
pub static mut TL_MAC_802_15_4_TABLE: Aligned<A4, MaybeUninit<Mac802_15_4Table>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM1"]
pub static mut TL_ZIGBEE_TABLE: Aligned<A4, MaybeUninit<ZigbeeTable>> = Aligned(MaybeUninit::uninit());
// --------------------- tables ---------------------
#[link_section = "MB_MEM1"]
pub static mut FREE_BUF_QUEUE: MaybeUninit<LinkedListNode> = MaybeUninit::uninit();
pub static mut FREE_BUF_QUEUE: Aligned<A4, MaybeUninit<LinkedListNode>> = Aligned(MaybeUninit::uninit());
#[allow(dead_code)]
#[link_section = "MB_MEM1"]
pub static mut TRACES_EVT_QUEUE: MaybeUninit<LinkedListNode> = MaybeUninit::uninit();
pub static mut TRACES_EVT_QUEUE: Aligned<A4, MaybeUninit<LinkedListNode>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM2"]
pub static mut CS_BUFFER: MaybeUninit<Aligned<A4, [u8; TL_PACKET_HEADER_SIZE + TL_EVT_HEADER_SIZE + TL_CS_EVT_SIZE]>> =
MaybeUninit::uninit();
pub static mut CS_BUFFER: Aligned<A4, MaybeUninit<[u8; TL_PACKET_HEADER_SIZE + TL_EVT_HEADER_SIZE + TL_CS_EVT_SIZE]>> =
Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM2"]
pub static mut EVT_QUEUE: MaybeUninit<LinkedListNode> = MaybeUninit::uninit();
pub static mut EVT_QUEUE: Aligned<A4, MaybeUninit<LinkedListNode>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM2"]
pub static mut SYSTEM_EVT_QUEUE: MaybeUninit<LinkedListNode> = MaybeUninit::uninit();
pub static mut SYSTEM_EVT_QUEUE: Aligned<A4, MaybeUninit<LinkedListNode>> = Aligned(MaybeUninit::uninit());
// --------------------- app tables ---------------------
#[cfg(feature = "mac")]
#[link_section = "MB_MEM2"]
pub static mut MAC_802_15_4_CMD_BUFFER: MaybeUninit<CmdPacket> = MaybeUninit::uninit();
pub static mut MAC_802_15_4_CMD_BUFFER: Aligned<A4, MaybeUninit<CmdPacket>> = Aligned(MaybeUninit::uninit());
#[cfg(feature = "mac")]
#[link_section = "MB_MEM2"]
@ -242,23 +246,31 @@ pub static mut MAC_802_15_4_NOTIF_RSP_EVT_BUFFER: MaybeUninit<
> = MaybeUninit::uninit();
#[link_section = "MB_MEM2"]
pub static mut EVT_POOL: MaybeUninit<Aligned<A4, [u8; POOL_SIZE]>> = MaybeUninit::uninit();
pub static mut EVT_POOL: Aligned<A4, MaybeUninit<[u8; POOL_SIZE]>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM2"]
pub static mut SYS_CMD_BUF: MaybeUninit<CmdPacket> = MaybeUninit::uninit();
pub static mut SYS_CMD_BUF: Aligned<A4, MaybeUninit<CmdPacket>> = Aligned(MaybeUninit::uninit());
#[link_section = "MB_MEM2"]
pub static mut SYS_SPARE_EVT_BUF: MaybeUninit<Aligned<A4, [u8; TL_PACKET_HEADER_SIZE + TL_EVT_HEADER_SIZE + 255]>> =
MaybeUninit::uninit();
pub static mut SYS_SPARE_EVT_BUF: Aligned<A4, MaybeUninit<[u8; TL_PACKET_HEADER_SIZE + TL_EVT_HEADER_SIZE + 255]>> =
Aligned(MaybeUninit::uninit());
#[cfg(feature = "mac")]
#[link_section = "MB_MEM2"]
pub static mut MAC_802_15_4_CNFINDNOT: Aligned<A4, MaybeUninit<[u8; C_SIZE_CMD_STRING]>> =
Aligned(MaybeUninit::uninit());
#[cfg(feature = "ble")]
#[link_section = "MB_MEM1"]
pub static mut BLE_CMD_BUFFER: MaybeUninit<CmdPacket> = MaybeUninit::uninit();
pub static mut BLE_CMD_BUFFER: Aligned<A4, MaybeUninit<CmdPacket>> = Aligned(MaybeUninit::uninit());
#[cfg(feature = "ble")]
#[link_section = "MB_MEM2"]
pub static mut BLE_SPARE_EVT_BUF: MaybeUninit<Aligned<A4, [u8; TL_PACKET_HEADER_SIZE + TL_EVT_HEADER_SIZE + 255]>> =
MaybeUninit::uninit();
pub static mut BLE_SPARE_EVT_BUF: Aligned<A4, MaybeUninit<[u8; TL_PACKET_HEADER_SIZE + TL_EVT_HEADER_SIZE + 255]>> =
Aligned(MaybeUninit::uninit());
#[cfg(feature = "ble")]
#[link_section = "MB_MEM2"]
// fuck these "magic" numbers from ST ---v---v
pub static mut HCI_ACL_DATA_BUFFER: MaybeUninit<Aligned<A4, [u8; TL_PACKET_HEADER_SIZE + 5 + 251]>> =
MaybeUninit::uninit();
pub static mut HCI_ACL_DATA_BUFFER: Aligned<A4, MaybeUninit<[u8; TL_PACKET_HEADER_SIZE + 5 + 251]>> =
Aligned(MaybeUninit::uninit());

12
embassy-stm32/Cargo.toml
View File

@ -32,7 +32,7 @@ flavors = [
[dependencies]
embassy-sync = { version = "0.2.0", path = "../embassy-sync" }
embassy-time = { version = "0.1.0", path = "../embassy-time", optional = true }
embassy-time = { version = "0.1.2", path = "../embassy-time", optional = true }
embassy-futures = { version = "0.1.0", path = "../embassy-futures" }
embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common", features = ["cortex-m", "prio-bits-4"] }
embassy-embedded-hal = {version = "0.1.0", path = "../embassy-embedded-hal" }
@ -40,9 +40,9 @@ embassy-net-driver = { version = "0.1.0", path = "../embassy-net-driver" }
embassy-usb-driver = {version = "0.1.0", path = "../embassy-usb-driver", optional = true }
embedded-hal-02 = { package = "embedded-hal", version = "0.2.6", features = ["unproven"] }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.1", optional = true}
embedded-hal-nb = { version = "=1.0.0-alpha.2", optional = true}
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.11", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.2", optional = true}
embedded-hal-nb = { version = "=1.0.0-alpha.3", optional = true}
embedded-storage = "0.3.0"
embedded-storage-async = { version = "0.4.0", optional = true }
@ -57,7 +57,7 @@ sdio-host = "0.5.0"
embedded-sdmmc = { git = "https://github.com/embassy-rs/embedded-sdmmc-rs", rev = "a4f293d3a6f72158385f79c98634cb8a14d0d2fc", optional = true }
critical-section = "1.1"
atomic-polyfill = "1.0.1"
stm32-metapac = "12"
stm32-metapac = "13"
vcell = "0.1.3"
bxcan = "0.7.0"
nb = "1.0.0"
@ -74,7 +74,7 @@ critical-section = { version = "1.1", features = ["std"] }
[build-dependencies]
proc-macro2 = "1.0.36"
quote = "1.0.15"
stm32-metapac = { version = "12", default-features = false, features = ["metadata"]}
stm32-metapac = { version = "13", default-features = false, features = ["metadata"]}
[features]
default = ["rt"]

4
embassy-stm32/build.rs
View File

@ -348,9 +348,7 @@ fn main() {
g.extend(quote! {
impl crate::rcc::sealed::RccPeripheral for peripherals::#pname {
fn frequency() -> crate::time::Hertz {
critical_section::with(|_| unsafe {
crate::rcc::get_freqs().#clk
})
unsafe { crate::rcc::get_freqs().#clk }
}
fn enable() {
critical_section::with(|_| {

12
embassy-stm32/src/adc/mod.rs
View File

@ -1,5 +1,6 @@
#![macro_use]
#[cfg(not(adc_f3))]
#[cfg_attr(adc_f1, path = "f1.rs")]
#[cfg_attr(adc_v1, path = "v1.rs")]
#[cfg_attr(adc_v2, path = "v2.rs")]
@ -7,14 +8,16 @@
#[cfg_attr(adc_v4, path = "v4.rs")]
mod _version;
#[cfg(not(adc_f1))]
#[cfg(not(any(adc_f1, adc_f3)))]
mod resolution;
mod sample_time;
#[cfg(not(adc_f3))]
#[allow(unused)]
pub use _version::*;
#[cfg(not(adc_f1))]
#[cfg(not(any(adc_f1, adc_f3)))]
pub use resolution::Resolution;
#[cfg(not(adc_f3))]
pub use sample_time::SampleTime;
use crate::peripherals;
@ -22,13 +25,14 @@ use crate::peripherals;
pub struct Adc<'d, T: Instance> {
#[allow(unused)]
adc: crate::PeripheralRef<'d, T>,
#[cfg(not(adc_f3))]
sample_time: SampleTime,
}
pub(crate) mod sealed {
pub trait Instance {
fn regs() -> crate::pac::adc::Adc;
#[cfg(all(not(adc_f1), not(adc_v1)))]
#[cfg(not(any(adc_f1, adc_v1, adc_f3)))]
fn common_regs() -> crate::pac::adccommon::AdcCommon;
}
@ -56,7 +60,7 @@ foreach_peripheral!(
fn regs() -> crate::pac::adc::Adc {
crate::pac::$inst
}
#[cfg(all(not(adc_f1), not(adc_v1)))]
#[cfg(not(any(adc_f1, adc_v1, adc_f3)))]
fn common_regs() -> crate::pac::adccommon::AdcCommon {
foreach_peripheral!{
(adccommon, $common_inst:ident) => {

1
embassy-stm32/src/adc/sample_time.rs
View File

@ -1,3 +1,4 @@
#[cfg(not(adc_f3))]
macro_rules! impl_sample_time {
($default_doc:expr, $default:ident, ($(($doc:expr, $variant:ident, $pac_variant:ident)),*)) => {
#[doc = concat!("ADC sample time\n\nThe default setting is ", $default_doc, " ADC clock cycles.")]

89
embassy-stm32/src/can/bxcan.rs
View File

@ -1,3 +1,4 @@
use core::cell::{RefCell, RefMut};
use core::future::poll_fn;
use core::marker::PhantomData;
use core::ops::{Deref, DerefMut};
@ -72,7 +73,7 @@ impl<T: Instance> interrupt::typelevel::Handler<T::SCEInterrupt> for SceInterrup
}
pub struct Can<'d, T: Instance> {
can: bxcan::Can<BxcanInstance<'d, T>>,
pub can: RefCell<bxcan::Can<BxcanInstance<'d, T>>>,
}
#[derive(Debug)]
@ -147,19 +148,24 @@ impl<'d, T: Instance> Can<'d, T> {
tx.set_as_af(tx.af_num(), AFType::OutputPushPull);
let can = bxcan::Can::builder(BxcanInstance(peri)).leave_disabled();
Self { can }
let can_ref_cell = RefCell::new(can);
Self { can: can_ref_cell }
}
pub fn set_bitrate(&mut self, bitrate: u32) {
let bit_timing = Self::calc_bxcan_timings(T::frequency(), bitrate).unwrap();
self.can.modify_config().set_bit_timing(bit_timing).leave_disabled();
self.can
.borrow_mut()
.modify_config()
.set_bit_timing(bit_timing)
.leave_disabled();
}
/// Queues the message to be sent but exerts backpressure
pub async fn write(&mut self, frame: &Frame) -> bxcan::TransmitStatus {
poll_fn(|cx| {
T::state().tx_waker.register(cx.waker());
if let Ok(status) = self.can.transmit(frame) {
if let Ok(status) = self.can.borrow_mut().transmit(frame) {
return Poll::Ready(status);
}
@ -341,6 +347,79 @@ impl<'d, T: Instance> Can<'d, T> {
// Pack into BTR register values
Some((sjw - 1) << 24 | (bs1 as u32 - 1) << 16 | (bs2 as u32 - 1) << 20 | (prescaler as u32 - 1))
}
pub fn split<'c>(&'c self) -> (CanTx<'c, 'd, T>, CanRx<'c, 'd, T>) {
(CanTx { can: &self.can }, CanRx { can: &self.can })
}
pub fn as_mut(&self) -> RefMut<'_, bxcan::Can<BxcanInstance<'d, T>>> {
self.can.borrow_mut()
}
}
pub struct CanTx<'c, 'd, T: Instance> {
can: &'c RefCell<bxcan::Can<BxcanInstance<'d, T>>>,
}
impl<'c, 'd, T: Instance> CanTx<'c, 'd, T> {
pub async fn write(&mut self, frame: &Frame) -> bxcan::TransmitStatus {
poll_fn(|cx| {
T::state().tx_waker.register(cx.waker());
if let Ok(status) = self.can.borrow_mut().transmit(frame) {
return Poll::Ready(status);
}
Poll::Pending
})
.await
}
pub async fn flush(&self, mb: bxcan::Mailbox) {
poll_fn(|cx| {
T::state().tx_waker.register(cx.waker());
if T::regs().tsr().read().tme(mb.index()) {
return Poll::Ready(());
}
Poll::Pending
})
.await;
}
}
#[allow(dead_code)]
pub struct CanRx<'c, 'd, T: Instance> {
can: &'c RefCell<bxcan::Can<BxcanInstance<'d, T>>>,
}
impl<'c, 'd, T: Instance> CanRx<'c, 'd, T> {
pub async fn read(&mut self) -> Result<(u16, bxcan::Frame), BusError> {
poll_fn(|cx| {
T::state().err_waker.register(cx.waker());
if let Poll::Ready((time, frame)) = T::state().rx_queue.recv().poll_unpin(cx) {
return Poll::Ready(Ok((time, frame)));
} else if let Some(err) = self.curr_error() {
return Poll::Ready(Err(err));
}
Poll::Pending
})
.await
}
fn curr_error(&self) -> Option<BusError> {
let err = { T::regs().esr().read() };
if err.boff() {
return Some(BusError::BusOff);
} else if err.epvf() {
return Some(BusError::BusPassive);
} else if err.ewgf() {
return Some(BusError::BusWarning);
} else if let Some(err) = err.lec().into_bus_err() {
return Some(err);
}
None
}
}
enum RxFifo {
@ -358,7 +437,7 @@ impl<'d, T: Instance> Drop for Can<'d, T> {
}
impl<'d, T: Instance> Deref for Can<'d, T> {
type Target = bxcan::Can<BxcanInstance<'d, T>>;
type Target = RefCell<bxcan::Can<BxcanInstance<'d, T>>>;
fn deref(&self) -> &Self::Target {
&self.can

66
embassy-stm32/src/can/fdcan.rs Normal file
View File

@ -0,0 +1,66 @@
pub use bxcan;
use embassy_hal_common::PeripheralRef;
use crate::peripherals;
pub(crate) mod sealed {
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
use embassy_sync::channel::Channel;
use embassy_sync::waitqueue::AtomicWaker;
pub struct State {
pub tx_waker: AtomicWaker,
pub err_waker: AtomicWaker,
pub rx_queue: Channel<CriticalSectionRawMutex, (u16, bxcan::Frame), 32>,
}
impl State {
pub const fn new() -> Self {
Self {
tx_waker: AtomicWaker::new(),
err_waker: AtomicWaker::new(),
rx_queue: Channel::new(),
}
}
}
pub trait Instance {
const REGISTERS: *mut bxcan::RegisterBlock;
fn regs() -> &'static crate::pac::can::Fdcan;
fn state() -> &'static State;
}
}
pub trait InterruptableInstance {}
pub trait Instance: sealed::Instance + InterruptableInstance + 'static {}
pub struct BxcanInstance<'a, T>(PeripheralRef<'a, T>);
unsafe impl<'d, T: Instance> bxcan::Instance for BxcanInstance<'d, T> {
const REGISTERS: *mut bxcan::RegisterBlock = T::REGISTERS;
}
foreach_peripheral!(
(can, $inst:ident) => {
impl sealed::Instance for peripherals::$inst {
const REGISTERS: *mut bxcan::RegisterBlock = crate::pac::$inst.as_ptr() as *mut _;
fn regs() -> &'static crate::pac::can::Fdcan {
&crate::pac::$inst
}
fn state() -> &'static sealed::State {
static STATE: sealed::State = sealed::State::new();
&STATE
}
}
impl Instance for peripherals::$inst {}
impl InterruptableInstance for peripherals::$inst {}
};
);
pin_trait!(RxPin, Instance);
pin_trait!(TxPin, Instance);

1
embassy-stm32/src/can/mod.rs
View File

@ -1,5 +1,6 @@
#![macro_use]
#[cfg_attr(can_bxcan, path = "bxcan.rs")]
#[cfg_attr(can_fdcan, path = "fdcan.rs")]
mod _version;
pub use _version::*;

7
embassy-stm32/src/dac/mod.rs
View File

@ -51,7 +51,10 @@ impl Ch1Trigger {
fn tsel(&self) -> dac::vals::Tsel1 {
match self {
Ch1Trigger::Tim6 => dac::vals::Tsel1::TIM6_TRGO,
#[cfg(not(dac_v3))]
Ch1Trigger::Tim3 => dac::vals::Tsel1::TIM3_TRGO,
#[cfg(dac_v3)]
Ch1Trigger::Tim3 => dac::vals::Tsel1::TIM1_TRGO,
Ch1Trigger::Tim7 => dac::vals::Tsel1::TIM7_TRGO,
Ch1Trigger::Tim15 => dac::vals::Tsel1::TIM15_TRGO,
Ch1Trigger::Tim2 => dac::vals::Tsel1::TIM2_TRGO,
@ -264,7 +267,7 @@ impl<'d, T: Instance, Tx> DacCh1<'d, T, Tx> {
});
let tx_request = self.dma.request();
let dma_channel = &self.dma;
let dma_channel = &mut self.dma;
let tx_options = crate::dma::TransferOptions {
circular,
@ -376,7 +379,7 @@ impl<'d, T: Instance, Tx> DacCh2<'d, T, Tx> {
});
let tx_request = self.dma.request();
let dma_channel = &self.dma;
let dma_channel = &mut self.dma;
let tx_options = crate::dma::TransferOptions {
circular,

3
embassy-stm32/src/dma/dma.rs
View File

@ -1,10 +1,9 @@
use core::future::Future;
use core::marker::PhantomData;
use core::pin::Pin;
use core::sync::atomic::{fence, Ordering};
use core::sync::atomic::{fence, AtomicUsize, Ordering};
use core::task::{Context, Poll, Waker};
use atomic_polyfill::AtomicUsize;
use embassy_hal_common::{into_ref, Peripheral, PeripheralRef};
use embassy_sync::waitqueue::AtomicWaker;

45
embassy-stm32/src/eth/generic_smi.rs
View File

@ -1,5 +1,11 @@
//! Generic SMI Ethernet PHY
#[cfg(feature = "time")]
use embassy_time::{Duration, Timer};
use futures::task::Context;
#[cfg(feature = "time")]
use futures::FutureExt;
use super::{StationManagement, PHY};
#[allow(dead_code)]
@ -36,25 +42,47 @@ mod phy_consts {
use self::phy_consts::*;
/// Generic SMI Ethernet PHY
pub struct GenericSMI;
pub struct GenericSMI {
#[cfg(feature = "time")]
poll_interval: Duration,
#[cfg(not(feature = "time"))]
_private: (),
}
impl GenericSMI {
pub fn new() -> Self {
Self {
#[cfg(feature = "time")]
poll_interval: Duration::from_millis(500),
#[cfg(not(feature = "time"))]
_private: (),
}
}
}
unsafe impl PHY for GenericSMI {
/// Reset PHY and wait for it to come out of reset.
fn phy_reset<S: StationManagement>(sm: &mut S) {
fn phy_reset<S: StationManagement>(&mut self, sm: &mut S) {
sm.smi_write(PHY_REG_BCR, PHY_REG_BCR_RESET);
while sm.smi_read(PHY_REG_BCR) & PHY_REG_BCR_RESET == PHY_REG_BCR_RESET {}
}
/// PHY initialisation.
fn phy_init<S: StationManagement>(sm: &mut S) {
fn phy_init<S: StationManagement>(&mut self, sm: &mut S) {
// Clear WU CSR
Self::smi_write_ext(sm, PHY_REG_WUCSR, 0);
self.smi_write_ext(sm, PHY_REG_WUCSR, 0);
// Enable auto-negotiation
sm.smi_write(PHY_REG_BCR, PHY_REG_BCR_AN | PHY_REG_BCR_ANRST | PHY_REG_BCR_100M);
}
fn poll_link<S: StationManagement>(sm: &mut S) -> bool {
fn poll_link<S: StationManagement>(&mut self, sm: &mut S, cx: &mut Context) -> bool {
#[cfg(not(feature = "time"))]
cx.waker().wake_by_ref();
#[cfg(feature = "time")]
let _ = Timer::after(self.poll_interval).poll_unpin(cx);
let bsr = sm.smi_read(PHY_REG_BSR);
// No link without autonegotiate
@ -73,8 +101,13 @@ unsafe impl PHY for GenericSMI {
/// Public functions for the PHY
impl GenericSMI {
#[cfg(feature = "time")]
pub fn set_poll_interval(&mut self, poll_interval: Duration) {
self.poll_interval = poll_interval
}
// Writes a value to an extended PHY register in MMD address space
fn smi_write_ext<S: StationManagement>(sm: &mut S, reg_addr: u16, reg_data: u16) {
fn smi_write_ext<S: StationManagement>(&mut self, sm: &mut S, reg_addr: u16, reg_data: u16) {
sm.smi_write(PHY_REG_CTL, 0x0003); // set address
sm.smi_write(PHY_REG_ADDAR, reg_addr);
sm.smi_write(PHY_REG_CTL, 0x4003); // set data

10
embassy-stm32/src/eth/mod.rs
View File

@ -81,9 +81,7 @@ impl<'d, T: Instance, P: PHY> embassy_net_driver::Driver for Ethernet<'d, T, P>
}
fn link_state(&mut self, cx: &mut Context) -> LinkState {
// TODO: wake cx.waker on link state change
cx.waker().wake_by_ref();
if P::poll_link(self) {
if self.phy.poll_link(&mut self.station_management, cx) {
LinkState::Up
} else {
LinkState::Down
@ -148,11 +146,11 @@ pub unsafe trait StationManagement {
/// The methods cannot move S
pub unsafe trait PHY {
/// Reset PHY and wait for it to come out of reset.
fn phy_reset<S: StationManagement>(sm: &mut S);
fn phy_reset<S: StationManagement>(&mut self, sm: &mut S);
/// PHY initialisation.
fn phy_init<S: StationManagement>(sm: &mut S);
fn phy_init<S: StationManagement>(&mut self, sm: &mut S);
/// Poll link to see if it is up and FD with 100Mbps
fn poll_link<S: StationManagement>(sm: &mut S) -> bool;
fn poll_link<S: StationManagement>(&mut self, sm: &mut S, cx: &mut Context) -> bool;
}
pub(crate) mod sealed {

27
embassy-stm32/src/eth/v1/mod.rs
View File

@ -3,6 +3,7 @@
mod rx_desc;
mod tx_desc;
use core::marker::PhantomData;
use core::sync::atomic::{fence, Ordering};
use embassy_hal_common::{into_ref, PeripheralRef};
@ -48,9 +49,8 @@ pub struct Ethernet<'d, T: Instance, P: PHY> {
pub(crate) rx: RDesRing<'d>,
pins: [PeripheralRef<'d, AnyPin>; 9],
_phy: P,
clock_range: Cr,
phy_addr: u8,
pub(crate) phy: P,
pub(crate) station_management: EthernetStationManagement<T>,
pub(crate) mac_addr: [u8; 6],
}
@ -224,9 +224,12 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
let mut this = Self {
_peri: peri,
pins,
_phy: phy,
clock_range,
phy_addr,
phy: phy,
station_management: EthernetStationManagement {
peri: PhantomData,
clock_range: clock_range,
phy_addr: phy_addr,
},
mac_addr,
tx: TDesRing::new(&mut queue.tx_desc, &mut queue.tx_buf),
rx: RDesRing::new(&mut queue.rx_desc, &mut queue.rx_buf),
@ -256,8 +259,8 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
w.set_tie(true);
});
P::phy_reset(&mut this);
P::phy_init(&mut this);
this.phy.phy_reset(&mut this.station_management);
this.phy.phy_init(&mut this.station_management);
interrupt::ETH.unpend();
unsafe { interrupt::ETH.enable() };
@ -266,7 +269,13 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
}
}
unsafe impl<'d, T: Instance, P: PHY> StationManagement for Ethernet<'d, T, P> {
pub struct EthernetStationManagement<T: Instance> {
peri: PhantomData<T>,
clock_range: Cr,
phy_addr: u8,
}
unsafe impl<T: Instance> StationManagement for EthernetStationManagement<T> {
fn smi_read(&mut self, reg: u8) -> u16 {
let mac = ETH.ethernet_mac();

27
embassy-stm32/src/eth/v2/mod.rs
View File

@ -1,5 +1,6 @@
mod descriptors;
use core::marker::PhantomData;
use core::sync::atomic::{fence, Ordering};
use embassy_hal_common::{into_ref, PeripheralRef};
@ -40,9 +41,8 @@ pub struct Ethernet<'d, T: Instance, P: PHY> {
pub(crate) tx: TDesRing<'d>,
pub(crate) rx: RDesRing<'d>,
pins: [PeripheralRef<'d, AnyPin>; 9],
_phy: P,
clock_range: u8,
phy_addr: u8,
pub(crate) phy: P,
pub(crate) station_management: EthernetStationManagement<T>,
pub(crate) mac_addr: [u8; 6],
}
@ -201,9 +201,12 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
tx: TDesRing::new(&mut queue.tx_desc, &mut queue.tx_buf),
rx: RDesRing::new(&mut queue.rx_desc, &mut queue.rx_buf),
pins,
_phy: phy,
clock_range,
phy_addr,
phy: phy,
station_management: EthernetStationManagement {
peri: PhantomData,
clock_range: clock_range,
phy_addr: phy_addr,
},
mac_addr,
};
@ -229,8 +232,8 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
w.set_tie(true);
});
P::phy_reset(&mut this);
P::phy_init(&mut this);
this.phy.phy_reset(&mut this.station_management);
this.phy.phy_init(&mut this.station_management);
interrupt::ETH.unpend();
unsafe { interrupt::ETH.enable() };
@ -239,7 +242,13 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
}
}
unsafe impl<'d, T: Instance, P: PHY> StationManagement for Ethernet<'d, T, P> {
pub struct EthernetStationManagement<T: Instance> {
peri: PhantomData<T>,
clock_range: u8,
phy_addr: u8,
}
unsafe impl<T: Instance> StationManagement for EthernetStationManagement<T> {
fn smi_read(&mut self, reg: u8) -> u16 {
let mac = ETH.ethernet_mac();

2
embassy-stm32/src/flash/asynch.rs
View File

@ -1,6 +1,6 @@
use core::marker::PhantomData;
use core::sync::atomic::{fence, Ordering};
use atomic_polyfill::{fence, Ordering};
use embassy_hal_common::drop::OnDrop;
use embassy_hal_common::into_ref;
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;

2
embassy-stm32/src/flash/common.rs
View File

@ -1,6 +1,6 @@
use core::marker::PhantomData;
use core::sync::atomic::{fence, Ordering};
use atomic_polyfill::{fence, Ordering};
use embassy_hal_common::drop::OnDrop;
use embassy_hal_common::{into_ref, PeripheralRef};
use stm32_metapac::FLASH_BASE;

3
embassy-stm32/src/flash/f0.rs
View File

@ -1,7 +1,6 @@
use core::convert::TryInto;
use core::ptr::write_volatile;
use atomic_polyfill::{fence, Ordering};
use core::sync::atomic::{fence, Ordering};
use super::{FlashRegion, FlashSector, FLASH_REGIONS, WRITE_SIZE};
use crate::flash::Error;

3
embassy-stm32/src/flash/f3.rs
View File

@ -1,7 +1,6 @@
use core::convert::TryInto;
use core::ptr::write_volatile;
use atomic_polyfill::{fence, Ordering};
use core::sync::atomic::{fence, Ordering};
use super::{FlashRegion, FlashSector, FLASH_REGIONS, WRITE_SIZE};
use crate::flash::Error;

3
embassy-stm32/src/flash/f4.rs
View File

@ -1,8 +1,7 @@
use core::convert::TryInto;
use core::ptr::write_volatile;
use core::sync::atomic::{fence, Ordering};
use core::sync::atomic::{fence, AtomicBool, Ordering};
use atomic_polyfill::AtomicBool;
use embassy_sync::waitqueue::AtomicWaker;
use pac::flash::regs::Sr;
use pac::FLASH_SIZE;

3
embassy-stm32/src/flash/h7.rs
View File

@ -1,7 +1,6 @@
use core::convert::TryInto;
use core::ptr::write_volatile;
use atomic_polyfill::{fence, Ordering};
use core::sync::atomic::{fence, Ordering};
use super::{FlashRegion, FlashSector, BANK1_REGION, FLASH_REGIONS, WRITE_SIZE};
use crate::flash::Error;

3
embassy-stm32/src/flash/l.rs
View File

@ -1,6 +1,5 @@
use core::ptr::write_volatile;
use atomic_polyfill::{fence, Ordering};
use core::sync::atomic::{fence, Ordering};
use super::{FlashRegion, FlashSector, FLASH_REGIONS, WRITE_SIZE};
use crate::flash::Error;

18
embassy-stm32/src/fmc.rs
View File

@ -86,6 +86,24 @@ macro_rules! fmc_sdram_constructor {
}
impl<'d, T: Instance> Fmc<'d, T> {
fmc_sdram_constructor!(sdram_a12bits_d16bits_4banks_bank1: (
bank: stm32_fmc::SdramTargetBank::Bank1,
addr: [
(a0: A0Pin), (a1: A1Pin), (a2: A2Pin), (a3: A3Pin), (a4: A4Pin), (a5: A5Pin), (a6: A6Pin), (a7: A7Pin), (a8: A8Pin), (a9: A9Pin), (a10: A10Pin), (a11: A11Pin)
],
ba: [(ba0: BA0Pin), (ba1: BA1Pin)],
d: [
(d0: D0Pin), (d1: D1Pin), (d2: D2Pin), (d3: D3Pin), (d4: D4Pin), (d5: D5Pin), (d6: D6Pin), (d7: D7Pin),
(d8: D8Pin), (d9: D9Pin), (d10: D10Pin), (d11: D11Pin), (d12: D12Pin), (d13: D13Pin), (d14: D14Pin), (d15: D15Pin)
],
nbl: [
(nbl0: NBL0Pin), (nbl1: NBL1Pin)
],
ctrl: [
(sdcke: SDCKE0Pin), (sdclk: SDCLKPin), (sdncas: SDNCASPin), (sdne: SDNE0Pin), (sdnras: SDNRASPin), (sdnwe: SDNWEPin)
]
));
fmc_sdram_constructor!(sdram_a12bits_d32bits_4banks_bank1: (
bank: stm32_fmc::SdramTargetBank::Bank1,
addr: [

52
embassy-stm32/src/i2c/v2.rs
View File

@ -382,13 +382,18 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
// I2C start
//
// ST SAD+W
Self::master_write(
if let Err(err) = Self::master_write(
address,
write.len().min(255),
Stop::Software,
last_chunk_idx != 0,
&check_timeout,
)?;
) {
if send_stop {
self.master_stop();
}
return Err(err);
}
for (number, chunk) in write.chunks(255).enumerate() {
if number != 0 {
@ -399,18 +404,22 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
// Wait until we are allowed to send data
// (START has been ACKed or last byte when
// through)
self.wait_txe(&check_timeout)?;
if let Err(err) = self.wait_txe(&check_timeout) {
if send_stop {
self.master_stop();
}
return Err(err);
}
T::regs().txdr().write(|w| w.set_txdata(*byte));
}
}
// Wait until the write finishes
self.wait_tc(&check_timeout)?;
let result = self.wait_tc(&check_timeout);
if send_stop {
self.master_stop();
}
Ok(())
result
}
async fn write_dma_internal(
@ -707,13 +716,16 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
let first_length = write[0].len();
let last_slice_index = write.len() - 1;
Self::master_write(
if let Err(err) = Self::master_write(
address,
first_length.min(255),
Stop::Software,
(first_length > 255) || (last_slice_index != 0),
&check_timeout,
)?;
) {
self.master_stop();
return Err(err);
}
for (idx, slice) in write.iter().enumerate() {
let slice_len = slice.len();
@ -726,27 +738,36 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
let last_chunk_idx = total_chunks.saturating_sub(1);
if idx != 0 {
Self::master_continue(
if let Err(err) = Self::master_continue(
slice_len.min(255),
(idx != last_slice_index) || (slice_len > 255),
&check_timeout,
)?;
) {
self.master_stop();
return Err(err);
}
}
for (number, chunk) in slice.chunks(255).enumerate() {
if number != 0 {
Self::master_continue(
if let Err(err) = Self::master_continue(
chunk.len(),
(number != last_chunk_idx) || (idx != last_slice_index),
&check_timeout,
)?;
) {
self.master_stop();
return Err(err);
}
}
for byte in chunk {
// Wait until we are allowed to send data
// (START has been ACKed or last byte when
// through)
self.wait_txe(&check_timeout)?;
if let Err(err) = self.wait_txe(&check_timeout) {
self.master_stop();
return Err(err);
}
// Put byte on the wire
//self.i2c.txdr.write(|w| w.txdata().bits(*byte));
@ -755,10 +776,9 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
}
}
// Wait until the write finishes
self.wait_tc(&check_timeout)?;
let result = self.wait_tc(&check_timeout);
self.master_stop();
Ok(())
result
}
pub fn blocking_write_vectored(&mut self, address: u8, write: &[&[u8]]) -> Result<(), Error> {

3
embassy-stm32/src/ipcc.rs
View File

@ -1,8 +1,7 @@
use core::future::poll_fn;
use core::sync::atomic::{compiler_fence, Ordering};
use core::task::Poll;
use atomic_polyfill::{compiler_fence, Ordering};
use self::sealed::Instance;
use crate::interrupt;
use crate::interrupt::typelevel::Interrupt;

4
embassy-stm32/src/rcc/h5.rs
View File

@ -473,11 +473,11 @@ fn init_pll(num: usize, config: Option<Pll>, input: &PllInput) -> PllOutput {
w.set_divm(0);
});
return PllOutput{
return PllOutput {
p: None,
q: None,
r: None,
}
};
};
assert!(1 <= config.prediv && config.prediv <= 63);

2
embassy-stm32/src/rcc/h7.rs
View File

@ -740,7 +740,7 @@ mod pll {
}
};
let vco_ck = output + pll_x_p;
let vco_ck = output * pll_x_p;
assert!(pll_x_p < 128);
assert!(vco_ck >= VCO_MIN);

23
embassy-stm32/src/rcc/l4.rs
View File

@ -1,6 +1,7 @@
use core::marker::PhantomData;
use embassy_hal_common::into_ref;
use stm32_metapac::rcc::regs::Cfgr;
use stm32_metapac::rcc::vals::{Lsedrv, Mcopre, Mcosel};
use crate::gpio::sealed::AFType;
@ -439,6 +440,26 @@ impl<'d, T: McoInstance> Mco<'d, T> {
}
pub(crate) unsafe fn init(config: Config) {
// Switch to MSI to prevent problems with PLL configuration.
if !RCC.cr().read().msion() {
// Turn on MSI and configure it to 4MHz.
RCC.cr().modify(|w| {
w.set_msirgsel(true); // MSI Range is provided by MSIRANGE[3:0].
w.set_msirange(MSIRange::default().into());
w.set_msipllen(false);
w.set_msion(true)
});
// Wait until MSI is running
while !RCC.cr().read().msirdy() {}
}
if RCC.cfgr().read().sws() != Sw::MSI {
// Set MSI as a clock source, reset prescalers.
RCC.cfgr().write_value(Cfgr::default());
// Wait for clock switch status bits to change.
while RCC.cfgr().read().sws() != Sw::MSI {}
}
match config.rtc_mux {
RtcClockSource::LSE32 => {
// 1. Unlock the backup domain
@ -660,6 +681,8 @@ pub(crate) unsafe fn init(config: Config) {
}
};
RCC.apb1enr1().modify(|w| w.set_pwren(true));
set_freqs(Clocks {
sys: Hertz(sys_clk),
ahb1: Hertz(ahb_freq),

4
embassy-stm32/src/rcc/mod.rs
View File

@ -83,12 +83,12 @@ static mut CLOCK_FREQS: MaybeUninit<Clocks> = MaybeUninit::uninit();
/// Safety: Sets a mutable global.
pub(crate) unsafe fn set_freqs(freqs: Clocks) {
debug!("rcc: {:?}", freqs);
CLOCK_FREQS.as_mut_ptr().write(freqs);
CLOCK_FREQS = MaybeUninit::new(freqs);
}
/// Safety: Reads a mutable global.
pub(crate) unsafe fn get_freqs() -> &'static Clocks {
&*CLOCK_FREQS.as_ptr()
CLOCK_FREQS.assume_init_ref()
}
#[cfg(feature = "unstable-pac")]

61
embassy-stm32/src/rcc/wl.rs
View File

@ -1,4 +1,5 @@
use crate::pac::{FLASH, RCC};
use crate::pac::pwr::vals::Dbp;
use crate::pac::{FLASH, PWR, RCC};
use crate::rcc::{set_freqs, Clocks};
use crate::time::Hertz;
@ -184,6 +185,8 @@ pub struct Config {
pub apb1_pre: APBPrescaler,
pub apb2_pre: APBPrescaler,
pub enable_lsi: bool,
pub enable_rtc_apb: bool,
pub rtc_mux: RtcClockSource,
}
impl Default for Config {
@ -196,10 +199,25 @@ impl Default for Config {
apb1_pre: APBPrescaler::NotDivided,
apb2_pre: APBPrescaler::NotDivided,
enable_lsi: false,
enable_rtc_apb: false,
rtc_mux: RtcClockSource::LSI32,
}
}
}
pub enum RtcClockSource {
LSE32,
LSI32,
}
#[repr(u8)]
pub enum Lsedrv {
Low = 0,
MediumLow = 1,
MediumHigh = 2,
High = 3,
}
pub(crate) unsafe fn init(config: Config) {
let (sys_clk, sw, vos) = match config.mux {
ClockSrc::HSI16 => (HSI_FREQ.0, 0x01, VoltageScale::Range2),
@ -266,6 +284,32 @@ pub(crate) unsafe fn init(config: Config) {
while FLASH.acr().read().latency() != ws {}
match config.rtc_mux {
RtcClockSource::LSE32 => {
// 1. Unlock the backup domain
PWR.cr1().modify(|w| w.set_dbp(Dbp::ENABLED));
// 2. Setup the LSE
RCC.bdcr().modify(|w| {
// Enable LSE
w.set_lseon(true);
// Max drive strength
// TODO: should probably be settable
w.set_lsedrv(Lsedrv::High as u8); //---// PAM - should not be commented
});
// Wait until LSE is running
while !RCC.bdcr().read().lserdy() {}
}
RtcClockSource::LSI32 => {
// Turn on the internal 32 kHz LSI oscillator
RCC.csr().modify(|w| w.set_lsion(true));
// Wait until LSI is running
while !RCC.csr().read().lsirdy() {}
}
}
match config.mux {
ClockSrc::HSI16 => {
// Enable HSI16
@ -287,11 +331,26 @@ pub(crate) unsafe fn init(config: Config) {
w.set_msirgsel(true);
w.set_msirange(range.into());
w.set_msion(true);
if let RtcClockSource::LSE32 = config.rtc_mux {
// If LSE is enabled, enable calibration of MSI
w.set_msipllen(true);
} else {
w.set_msipllen(false);
}
});
while !RCC.cr().read().msirdy() {}
}
}
if config.enable_rtc_apb {
// enable peripheral clock for communication
crate::pac::RCC.apb1enr1().modify(|w| w.set_rtcapben(true));
// read to allow the pwr clock to enable
crate::pac::PWR.cr1().read();
}
RCC.extcfgr().modify(|w| {
if config.shd_ahb_pre == AHBPrescaler::NotDivided {
w.set_shdhpre(0);

1
embassy-stm32/src/rtc/v3.rs
View File

@ -172,6 +172,7 @@ impl sealed::Instance for crate::peripherals::RTC {
const BACKUP_REGISTER_COUNT: usize = 32;
fn read_backup_register(_rtc: &Rtc, register: usize) -> Option<u32> {
#[allow(clippy::if_same_then_else)]
if register < Self::BACKUP_REGISTER_COUNT {
//Some(rtc.bkpr()[register].read().bits())
None // RTC3 backup registers come from the TAMP peripe=heral, not RTC. Not() even in the L412 PAC

23
embassy-stm32/src/spi/mod.rs
View File

@ -852,25 +852,19 @@ mod eh1 {
type Error = Error;
}
impl<'d, T: Instance, Tx, Rx> embedded_hal_1::spi::SpiBusFlush for Spi<'d, T, Tx, Rx> {
impl<'d, T: Instance, W: Word, Tx, Rx> embedded_hal_1::spi::SpiBus<W> for Spi<'d, T, Tx, Rx> {
fn flush(&mut self) -> Result<(), Self::Error> {
Ok(())
}
}
impl<'d, T: Instance, W: Word, Tx, Rx> embedded_hal_1::spi::SpiBusRead<W> for Spi<'d, T, Tx, Rx> {
fn read(&mut self, words: &mut [W]) -> Result<(), Self::Error> {
self.blocking_read(words)
}
}
impl<'d, T: Instance, W: Word, Tx, Rx> embedded_hal_1::spi::SpiBusWrite<W> for Spi<'d, T, Tx, Rx> {
fn write(&mut self, words: &[W]) -> Result<(), Self::Error> {
self.blocking_write(words)
}
}
impl<'d, T: Instance, W: Word, Tx, Rx> embedded_hal_1::spi::SpiBus<W> for Spi<'d, T, Tx, Rx> {
fn transfer(&mut self, read: &mut [W], write: &[W]) -> Result<(), Self::Error> {
self.blocking_transfer(read, write)
}
@ -895,32 +889,25 @@ mod eh1 {
#[cfg(all(feature = "unstable-traits", feature = "nightly"))]
mod eha {
use super::*;
impl<'d, T: Instance, Tx, Rx> embedded_hal_async::spi::SpiBusFlush for Spi<'d, T, Tx, Rx> {
impl<'d, T: Instance, Tx: TxDma<T>, Rx: RxDma<T>, W: Word> embedded_hal_async::spi::SpiBus<W> for Spi<'d, T, Tx, Rx> {
async fn flush(&mut self) -> Result<(), Self::Error> {
Ok(())
}
}
impl<'d, T: Instance, Tx: TxDma<T>, Rx, W: Word> embedded_hal_async::spi::SpiBusWrite<W> for Spi<'d, T, Tx, Rx> {
async fn write(&mut self, words: &[W]) -> Result<(), Self::Error> {
self.write(words).await
}
}
impl<'d, T: Instance, Tx: TxDma<T>, Rx: RxDma<T>, W: Word> embedded_hal_async::spi::SpiBusRead<W>
for Spi<'d, T, Tx, Rx>
{
async fn read(&mut self, words: &mut [W]) -> Result<(), Self::Error> {
self.read(words).await
}
}
impl<'d, T: Instance, Tx: TxDma<T>, Rx: RxDma<T>, W: Word> embedded_hal_async::spi::SpiBus<W> for Spi<'d, T, Tx, Rx> {
async fn transfer<'a>(&'a mut self, read: &'a mut [W], write: &'a [W]) -> Result<(), Self::Error> {
async fn transfer(&mut self, read: &mut [W], write: &[W]) -> Result<(), Self::Error> {
self.transfer(read, write).await
}
async fn transfer_in_place<'a>(&'a mut self, words: &'a mut [W]) -> Result<(), Self::Error> {
async fn transfer_in_place(&mut self, words: &mut [W]) -> Result<(), Self::Error> {
self.transfer_in_place(words).await
}
}

27
embassy-stm32/src/usart/mod.rs
View File

@ -116,6 +116,10 @@ pub struct Config {
/// but will effectively disable noise detection.
#[cfg(not(usart_v1))]
pub assume_noise_free: bool,
/// Set this to true to swap the RX and TX pins.
#[cfg(any(usart_v3, usart_v4))]
pub swap_rx_tx: bool,
}
impl Default for Config {
@ -129,6 +133,8 @@ impl Default for Config {
detect_previous_overrun: false,
#[cfg(not(usart_v1))]
assume_noise_free: false,
#[cfg(any(usart_v3, usart_v4))]
swap_rx_tx: false,
}
}
}
@ -688,8 +694,22 @@ impl<'d, T: BasicInstance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
let r = T::regs();
rx.set_as_af(rx.af_num(), AFType::Input);
tx.set_as_af(tx.af_num(), AFType::OutputPushPull);
// Some chips do not have swap_rx_tx bit
cfg_if::cfg_if! {
if #[cfg(any(usart_v3, usart_v4))] {
if config.swap_rx_tx {
let (rx, tx) = (tx, rx);
rx.set_as_af(rx.af_num(), AFType::Input);
tx.set_as_af(tx.af_num(), AFType::OutputPushPull);
} else {
rx.set_as_af(rx.af_num(), AFType::Input);
tx.set_as_af(tx.af_num(), AFType::OutputPushPull);
}
} else {
rx.set_as_af(rx.af_num(), AFType::Input);
tx.set_as_af(tx.af_num(), AFType::OutputPushPull);
}
}
configure(r, &config, T::frequency(), T::KIND, true, true);
@ -847,6 +867,9 @@ fn configure(r: Regs, config: &Config, pclk_freq: Hertz, kind: Kind, enable_rx:
StopBits::STOP1P5 => vals::Stop::STOP1P5,
StopBits::STOP2 => vals::Stop::STOP2,
});
#[cfg(any(usart_v3, usart_v4))]
w.set_swap(config.swap_rx_tx);
});
r.cr1().write(|w| {
// enable uart

Some files were not shown because too many files have changed in this diff Show More