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Merge #1306

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1306: Update embedded-hal r=Dirbaio a=Dirbaio

- [x] Wait for merge https://github.com/rust-embedded/embedded-hal/pull/443
- [x] Wait for release
- [x] embassy-embedded-hal
- [x] embassy-nrf
- [x] embassy-stm32
- [x] embassy-rp

Co-authored-by: Dario Nieuwenhuis <dirbaio@dirbaio.net>
This commit is contained in:
bors[bot]
2023-04-06 21:06:54 +00:00
committed by GitHub
parent c9b7dbc541 be37eee13d
commit 60809edf2c
28 changed files with 543 additions and 614 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
embassy-embedded-hal/Cargo.toml
View File

@@ -19,8 +19,8 @@ nightly = ["embedded-hal-async", "embedded-storage-async"]
[dependencies]
embassy-sync = { version = "0.1.0", path = "../embassy-sync" }
embedded-hal-02 = { package = "embedded-hal", version = "0.2.6", features = ["unproven"] }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
embedded-hal-async = { version = "=0.2.0-alpha.0", optional = true }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1", optional = true }
embedded-storage = "0.3.0"
embedded-storage-async = { version = "0.4.0", optional = true }
nb = "1.0.0"

27
embassy-embedded-hal/src/adapter.rs
View File

@@ -36,27 +36,22 @@ where
E: embedded_hal_1::i2c::Error + 'static,
T: blocking::i2c::WriteRead<Error = E> + blocking::i2c::Read<Error = E> + blocking::i2c::Write<Error = E>,
{
async fn read<'a>(&'a mut self, address: u8, buffer: &'a mut [u8]) -> Result<(), Self::Error> {
self.wrapped.read(address, buffer)
async fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.wrapped.read(address, read)
}
async fn write<'a>(&'a mut self, address: u8, bytes: &'a [u8]) -> Result<(), Self::Error> {
self.wrapped.write(address, bytes)
async fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error> {
self.wrapped.write(address, write)
}
async fn write_read<'a>(
&'a mut self,
async fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.wrapped.write_read(address, write, read)
}
async fn transaction(
&mut self,
address: u8,
bytes: &'a [u8],
buffer: &'a mut [u8],
) -> Result<(), Self::Error> {
self.wrapped.write_read(address, bytes, buffer)
}
async fn transaction<'a, 'b>(
&'a mut self,
address: u8,
operations: &'a mut [embedded_hal_async::i2c::Operation<'b>],
operations: &mut [embedded_hal_1::i2c::Operation<'_>],
) -> Result<(), Self::Error> {
let _ = address;
let _ = operations;

2
embassy-embedded-hal/src/lib.rs
View File

@@ -1,7 +1,7 @@
#![cfg_attr(not(feature = "std"), no_std)]
#![cfg_attr(
feature = "nightly",
feature(type_alias_impl_trait, async_fn_in_trait, impl_trait_projections)
feature(type_alias_impl_trait, async_fn_in_trait, impl_trait_projections, try_blocks)
)]
#![cfg_attr(feature = "nightly", allow(incomplete_features))]
#![warn(missing_docs)]

42
embassy-embedded-hal/src/shared_bus/asynch/i2c.rs
View File

@@ -54,35 +54,35 @@ where
M: RawMutex + 'static,
BUS: i2c::I2c + 'static,
{
async fn read<'a>(&'a mut self, address: u8, buffer: &'a mut [u8]) -> Result<(), I2cDeviceError<BUS::Error>> {
async fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), I2cDeviceError<BUS::Error>> {
let mut bus = self.bus.lock().await;
bus.read(address, buffer).await.map_err(I2cDeviceError::I2c)?;
bus.read(address, read).await.map_err(I2cDeviceError::I2c)?;
Ok(())
}
async fn write<'a>(&'a mut self, address: u8, bytes: &'a [u8]) -> Result<(), I2cDeviceError<BUS::Error>> {
async fn write(&mut self, address: u8, write: &[u8]) -> Result<(), I2cDeviceError<BUS::Error>> {
let mut bus = self.bus.lock().await;
bus.write(address, bytes).await.map_err(I2cDeviceError::I2c)?;
bus.write(address, write).await.map_err(I2cDeviceError::I2c)?;
Ok(())
}
async fn write_read<'a>(
&'a mut self,
async fn write_read(
&mut self,
address: u8,
wr_buffer: &'a [u8],
rd_buffer: &'a mut [u8],
write: &[u8],
read: &mut [u8],
) -> Result<(), I2cDeviceError<BUS::Error>> {
let mut bus = self.bus.lock().await;
bus.write_read(address, wr_buffer, rd_buffer)
bus.write_read(address, write, read)
.await
.map_err(I2cDeviceError::I2c)?;
Ok(())
}
async fn transaction<'a, 'b>(
&'a mut self,
async fn transaction(
&mut self,
address: u8,
operations: &'a mut [embedded_hal_async::i2c::Operation<'b>],
operations: &mut [embedded_hal_async::i2c::Operation<'_>],
) -> Result<(), I2cDeviceError<BUS::Error>> {
let _ = address;
let _ = operations;
@@ -121,25 +121,25 @@ where
M: RawMutex + 'static,
BUS: i2c::I2c + SetConfig + 'static,
{
async fn read<'a>(&'a mut self, address: u8, buffer: &'a mut [u8]) -> Result<(), I2cDeviceError<BUS::Error>> {
async fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), I2cDeviceError<BUS::Error>> {
let mut bus = self.bus.lock().await;
bus.set_config(&self.config);
bus.read(address, buffer).await.map_err(I2cDeviceError::I2c)?;
Ok(())
}
async fn write<'a>(&'a mut self, address: u8, bytes: &'a [u8]) -> Result<(), I2cDeviceError<BUS::Error>> {
async fn write(&mut self, address: u8, bytes: &[u8]) -> Result<(), I2cDeviceError<BUS::Error>> {
let mut bus = self.bus.lock().await;
bus.set_config(&self.config);
bus.write(address, bytes).await.map_err(I2cDeviceError::I2c)?;
Ok(())
}
async fn write_read<'a>(
&'a mut self,
async fn write_read(
&mut self,
address: u8,
wr_buffer: &'a [u8],
rd_buffer: &'a mut [u8],
wr_buffer: &[u8],
rd_buffer: &mut [u8],
) -> Result<(), I2cDeviceError<BUS::Error>> {
let mut bus = self.bus.lock().await;
bus.set_config(&self.config);
@@ -149,11 +149,7 @@ where
Ok(())
}
async fn transaction<'a, 'b>(
&'a mut self,
address: u8,
operations: &'a mut [embedded_hal_async::i2c::Operation<'b>],
) -> Result<(), I2cDeviceError<BUS::Error>> {
async fn transaction(&mut self, address: u8, operations: &mut [i2c::Operation<'_>]) -> Result<(), Self::Error> {
let _ = address;
let _ = operations;
todo!()

175
embassy-embedded-hal/src/shared_bus/asynch/spi.rs
View File

@@ -25,12 +25,11 @@
//! let spi_dev2 = SpiDevice::new(spi_bus, cs_pin2);
//! let display2 = ST7735::new(spi_dev2, dc2, rst2, Default::default(), 160, 128);
//! ```
use core::future::Future;
use embassy_sync::blocking_mutex::raw::RawMutex;
use embassy_sync::mutex::Mutex;
use embedded_hal_1::digital::OutputPin;
use embedded_hal_1::spi::ErrorType;
use embedded_hal_1::spi::Operation;
use embedded_hal_async::spi;
use crate::shared_bus::SpiDeviceError;
@@ -57,33 +56,92 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
unsafe impl<M, BUS, CS> spi::SpiDevice for SpiDevice<'_, M, BUS, CS>
impl<M, BUS, CS> spi::SpiDeviceRead for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex + 'static,
BUS: spi::SpiBusFlush + 'static,
M: RawMutex,
BUS: spi::SpiBusRead,
CS: OutputPin,
{
type Bus = BUS;
async fn transaction<R, F, Fut>(&mut self, f: F) -> Result<R, Self::Error>
where
F: FnOnce(*mut Self::Bus) -> Fut,
Fut: Future<Output = Result<R, <Self::Bus as ErrorType>::Error>>,
{
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 f_res = f(&mut *bus).await;
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 f_res = f_res.map_err(SpiDeviceError::Spi)?;
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(f_res)
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,
BUS: spi::SpiBus,
CS: OutputPin,
{
async fn transaction(&mut self, operations: &mut [spi::Operation<'_, 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 op in operations {
match op {
Operation::Read(buf) => bus.read(buf).await?,
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?,
}
}
};
// 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)
}
}
@@ -114,33 +172,94 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
unsafe impl<M, BUS, CS> spi::SpiDevice for SpiDeviceWithConfig<'_, M, BUS, CS>
impl<M, BUS, CS> spi::SpiDeviceWrite for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex + 'static,
BUS: spi::SpiBusFlush + SetConfig + 'static,
M: RawMutex,
BUS: spi::SpiBusWrite + SetConfig,
CS: OutputPin,
{
type Bus = BUS;
async fn transaction<R, F, Fut>(&mut self, f: F) -> Result<R, Self::Error>
where
F: FnOnce(*mut Self::Bus) -> Fut,
Fut: Future<Output = Result<R, <Self::Bus as ErrorType>::Error>>,
{
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 f_res = f(&mut *bus).await;
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 f_res = f_res.map_err(SpiDeviceError::Spi)?;
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(f_res)
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,
BUS: spi::SpiBus + SetConfig,
CS: OutputPin,
{
async fn transaction(&mut self, operations: &mut [spi::Operation<'_, 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 op in operations {
match op {
Operation::Read(buf) => bus.read(buf).await?,
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?,
}
}
};
// 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)
}
}

56
embassy-embedded-hal/src/shared_bus/blocking/i2c.rs
View File

@@ -72,34 +72,6 @@ where
let _ = operations;
todo!()
}
fn write_iter<B: IntoIterator<Item = u8>>(&mut self, addr: u8, bytes: B) -> Result<(), Self::Error> {
let _ = addr;
let _ = bytes;
todo!()
}
fn write_iter_read<B: IntoIterator<Item = u8>>(
&mut self,
addr: u8,
bytes: B,
buffer: &mut [u8],
) -> Result<(), Self::Error> {
let _ = addr;
let _ = bytes;
let _ = buffer;
todo!()
}
fn transaction_iter<'a, O: IntoIterator<Item = Operation<'a>>>(
&mut self,
address: u8,
operations: O,
) -> Result<(), Self::Error> {
let _ = address;
let _ = operations;
todo!()
}
}
impl<'a, M, BUS, E> embedded_hal_02::blocking::i2c::Write for I2cDevice<'_, M, BUS>
@@ -204,32 +176,4 @@ where
let _ = operations;
todo!()
}
fn write_iter<B: IntoIterator<Item = u8>>(&mut self, addr: u8, bytes: B) -> Result<(), Self::Error> {
let _ = addr;
let _ = bytes;
todo!()
}
fn write_iter_read<B: IntoIterator<Item = u8>>(
&mut self,
addr: u8,
bytes: B,
buffer: &mut [u8],
) -> Result<(), Self::Error> {
let _ = addr;
let _ = bytes;
let _ = buffer;
todo!()
}
fn transaction_iter<'a, O: IntoIterator<Item = Operation<'a>>>(
&mut self,
address: u8,
operations: O,
) -> Result<(), Self::Error> {
let _ = address;
let _ = operations;
todo!()
}
}

157
embassy-embedded-hal/src/shared_bus/blocking/spi.rs
View File

@@ -23,8 +23,7 @@ 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;
use embedded_hal_1::spi::SpiBusFlush;
use embedded_hal_1::spi::{self, Operation, SpiBus, SpiBusRead, SpiBusWrite};
use crate::shared_bus::SpiDeviceError;
use crate::SetConfig;
@@ -50,30 +49,85 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDevice for SpiDevice<'_, M, BUS, CS>
impl<BUS, M, CS> embedded_hal_1::spi::SpiDeviceRead for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: SpiBusFlush,
BUS: SpiBusRead,
CS: OutputPin,
{
type Bus = BUS;
fn transaction<R>(&mut self, f: impl FnOnce(&mut Self::Bus) -> Result<R, BUS::Error>) -> Result<R, Self::Error> {
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 f_res = f(&mut bus);
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 f_res = f_res.map_err(SpiDeviceError::Spi)?;
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(f_res)
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,
BUS: SpiBus,
CS: OutputPin,
{
fn transaction(&mut self, operations: &mut [Operation<'_, 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(|op| match op {
Operation::Read(buf) => bus.read(buf),
Operation::Write(buf) => bus.write(buf),
Operation::Transfer(read, write) => bus.transfer(read, write),
Operation::TransferInPlace(buf) => bus.transfer_in_place(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)
})
}
}
@@ -89,11 +143,11 @@ where
self.bus.lock(|bus| {
let mut bus = bus.borrow_mut();
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let f_res = bus.transfer(words);
let op_res = bus.transfer(words);
let cs_res = self.cs.set_high();
let f_res = f_res.map_err(SpiDeviceError::Spi)?;
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(f_res)
Ok(op_res)
})
}
}
@@ -110,11 +164,11 @@ where
self.bus.lock(|bus| {
let mut bus = bus.borrow_mut();
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let f_res = bus.write(words);
let op_res = bus.write(words);
let cs_res = self.cs.set_high();
let f_res = f_res.map_err(SpiDeviceError::Spi)?;
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(f_res)
Ok(op_res)
})
}
}
@@ -146,30 +200,85 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDevice for SpiDeviceWithConfig<'_, M, BUS, CS>
impl<BUS, M, CS> embedded_hal_1::spi::SpiDeviceRead for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
BUS: SpiBusFlush + SetConfig,
BUS: SpiBusRead + SetConfig,
CS: OutputPin,
{
type Bus = BUS;
fn transaction<R>(&mut self, f: impl FnOnce(&mut Self::Bus) -> Result<R, BUS::Error>) -> Result<R, Self::Error> {
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 f_res = f(&mut bus);
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 f_res = f_res.map_err(SpiDeviceError::Spi)?;
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
flush_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(f_res)
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,
BUS: SpiBus + SetConfig,
CS: OutputPin,
{
fn transaction(&mut self, operations: &mut [Operation<'_, 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(|op| match op {
Operation::Read(buf) => bus.read(buf),
Operation::Write(buf) => bus.write(buf),
Operation::Transfer(read, write) => bus.transfer(read, write),
Operation::TransferInPlace(buf) => bus.transfer_in_place(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)
})
}
}

4
embassy-lora/Cargo.toml
View File

@@ -31,8 +31,8 @@ log = { version = "0.4.14", optional = true }
embassy-time = { version = "0.1.0", path = "../embassy-time" }
embassy-sync = { version = "0.1.0", 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.9" }
embedded-hal-async = { version = "=0.2.0-alpha.0" }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
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"] }

4
embassy-nrf/Cargo.toml
View File

@@ -87,8 +87,8 @@ 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.9", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.0", optional = true}
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-io = { version = "0.4.0", features = ["async"], optional = true }
defmt = { version = "0.3", optional = true }

49
embassy-nrf/src/twim.rs
View File

@@ -846,20 +846,6 @@ mod eh1 {
self.blocking_write(address, buffer)
}
fn write_iter<B>(&mut self, _address: u8, _bytes: B) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_iter_read<B>(&mut self, _address: u8, _bytes: B, _buffer: &mut [u8]) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_read(&mut self, address: u8, wr_buffer: &[u8], rd_buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, wr_buffer, rd_buffer)
}
@@ -871,13 +857,6 @@ mod eh1 {
) -> Result<(), Self::Error> {
todo!();
}
fn transaction_iter<'a, O>(&mut self, _address: u8, _operations: O) -> Result<(), Self::Error>
where
O: IntoIterator<Item = embedded_hal_1::i2c::Operation<'a>>,
{
todo!();
}
}
}
@@ -885,28 +864,22 @@ mod eh1 {
mod eha {
use super::*;
impl<'d, T: Instance> embedded_hal_async::i2c::I2c for Twim<'d, T> {
async fn read<'a>(&'a mut self, address: u8, buffer: &'a mut [u8]) -> Result<(), Error> {
self.read(address, buffer).await
async fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.read(address, read).await
}
async fn write<'a>(&'a mut self, address: u8, bytes: &'a [u8]) -> Result<(), Error> {
self.write(address, bytes).await
async fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error> {
self.write(address, write).await
}
async fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.write_read(address, write, read).await
}
async fn write_read<'a>(
&'a mut self,
async fn transaction(
&mut self,
address: u8,
wr_buffer: &'a [u8],
rd_buffer: &'a mut [u8],
) -> Result<(), Error> {
self.write_read(address, wr_buffer, rd_buffer).await
}
async fn transaction<'a, 'b>(
&'a mut self,
address: u8,
operations: &'a mut [embedded_hal_async::i2c::Operation<'b>],
) -> Result<(), Error> {
operations: &mut [embedded_hal_1::i2c::Operation<'_>],
) -> Result<(), Self::Error> {
let _ = address;
let _ = operations;
todo!()

6
embassy-rp/Cargo.toml
View File

@@ -65,9 +65,9 @@ rp2040-pac2 = { git = "https://github.com/embassy-rs/rp2040-pac2", rev="017e3c90
#rp2040-pac2 = { path = "../../rp2040-pac2", features = ["rt"] }
embedded-hal-02 = { package = "embedded-hal", version = "0.2.6", features = ["unproven"] }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.0", optional = true}
embedded-hal-nb = { version = "=1.0.0-alpha.1", optional = true}
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}
paste = "1.0"
pio-proc = {version= "0.2", optional = true}

107
embassy-rp/src/i2c.rs
View File

@@ -490,14 +490,14 @@ impl<'d, T: Instance + 'd, M: Mode> I2c<'d, T, M> {
}
}
fn read_blocking_internal(&mut self, buffer: &mut [u8], restart: bool, send_stop: bool) -> Result<(), Error> {
if buffer.is_empty() {
fn read_blocking_internal(&mut self, read: &mut [u8], restart: bool, send_stop: bool) -> Result<(), Error> {
if read.is_empty() {
return Err(Error::InvalidReadBufferLength);
}
let p = T::regs();
let lastindex = buffer.len() - 1;
for (i, byte) in buffer.iter_mut().enumerate() {
let lastindex = read.len() - 1;
for (i, byte) in read.iter_mut().enumerate() {
let first = i == 0;
let last = i == lastindex;
@@ -524,15 +524,15 @@ impl<'d, T: Instance + 'd, M: Mode> I2c<'d, T, M> {
Ok(())
}
fn write_blocking_internal(&mut self, bytes: &[u8], send_stop: bool) -> Result<(), Error> {
if bytes.is_empty() {
fn write_blocking_internal(&mut self, write: &[u8], send_stop: bool) -> Result<(), Error> {
if write.is_empty() {
return Err(Error::InvalidWriteBufferLength);
}
let p = T::regs();
for (i, byte) in bytes.iter().enumerate() {
let last = i == bytes.len() - 1;
for (i, byte) in write.iter().enumerate() {
let last = i == write.len() - 1;
// NOTE(unsafe) We have &mut self
unsafe {
@@ -572,21 +572,21 @@ impl<'d, T: Instance + 'd, M: Mode> I2c<'d, T, M> {
// Blocking public API
// =========================
pub fn blocking_read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Error> {
pub fn blocking_read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Error> {
Self::setup(address.into())?;
self.read_blocking_internal(buffer, true, true)
self.read_blocking_internal(read, true, true)
// Automatic Stop
}
pub fn blocking_write(&mut self, address: u8, bytes: &[u8]) -> Result<(), Error> {
pub fn blocking_write(&mut self, address: u8, write: &[u8]) -> Result<(), Error> {
Self::setup(address.into())?;
self.write_blocking_internal(bytes, true)
self.write_blocking_internal(write, true)
}
pub fn blocking_write_read(&mut self, address: u8, bytes: &[u8], buffer: &mut [u8]) -> Result<(), Error> {
pub fn blocking_write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Error> {
Self::setup(address.into())?;
self.write_blocking_internal(bytes, false)?;
self.read_blocking_internal(buffer, true, true)
self.write_blocking_internal(write, false)?;
self.read_blocking_internal(read, true, true)
// Automatic Stop
}
}
@@ -644,48 +644,22 @@ mod eh1 {
}
impl<'d, T: Instance, M: Mode> embedded_hal_1::i2c::I2c for I2c<'d, T, M> {
fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, buffer)
fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, read)
}
fn write(&mut self, address: u8, buffer: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, buffer)
fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, write)
}
fn write_iter<B>(&mut self, address: u8, bytes: B) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
let mut peekable = bytes.into_iter().peekable();
Self::setup(address.into())?;
while let Some(tx) = peekable.next() {
self.write_blocking_internal(&[tx], peekable.peek().is_none())?;
}
Ok(())
fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, write, read)
}
fn write_iter_read<B>(&mut self, address: u8, bytes: B, buffer: &mut [u8]) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
let peekable = bytes.into_iter().peekable();
Self::setup(address.into())?;
for tx in peekable {
self.write_blocking_internal(&[tx], false)?
}
self.read_blocking_internal(buffer, true, true)
}
fn write_read(&mut self, address: u8, wr_buffer: &[u8], rd_buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, wr_buffer, rd_buffer)
}
fn transaction<'a>(
fn transaction(
&mut self,
address: u8,
operations: &mut [embedded_hal_1::i2c::Operation<'a>],
operations: &mut [embedded_hal_1::i2c::Operation<'_>],
) -> Result<(), Self::Error> {
Self::setup(address.into())?;
for i in 0..operations.len() {
@@ -697,22 +671,6 @@ mod eh1 {
}
Ok(())
}
fn transaction_iter<'a, O>(&mut self, address: u8, operations: O) -> Result<(), Self::Error>
where
O: IntoIterator<Item = embedded_hal_1::i2c::Operation<'a>>,
{
Self::setup(address.into())?;
let mut peekable = operations.into_iter().peekable();
while let Some(operation) = peekable.next() {
let last = peekable.peek().is_none();
match operation {
embedded_hal_1::i2c::Operation::Read(buf) => self.read_blocking_internal(buf, false, last)?,
embedded_hal_1::i2c::Operation::Write(buf) => self.write_blocking_internal(buf, last)?,
}
}
Ok(())
}
}
}
#[cfg(all(feature = "unstable-traits", feature = "nightly"))]
@@ -727,36 +685,29 @@ mod nightly {
A: AddressMode + Into<u16> + 'static,
T: Instance + 'd,
{
async fn read<'a>(&'a mut self, address: A, read: &'a mut [u8]) -> Result<(), Self::Error> {
async fn read(&mut self, address: A, read: &mut [u8]) -> Result<(), Self::Error> {
let addr: u16 = address.into();
Self::setup(addr)?;
self.read_async_internal(read, false, true).await
}
async fn write<'a>(&'a mut self, address: A, write: &'a [u8]) -> Result<(), Self::Error> {
async fn write(&mut self, address: A, write: &[u8]) -> Result<(), Self::Error> {
let addr: u16 = address.into();
Self::setup(addr)?;
self.write_async_internal(write.iter().copied(), true).await
}
async fn write_read<'a>(
&'a mut self,
address: A,
write: &'a [u8],
read: &'a mut [u8],
) -> Result<(), Self::Error> {
async fn write_read(&mut self, address: A, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
let addr: u16 = address.into();
Self::setup(addr)?;
self.write_async_internal(write.iter().cloned(), false).await?;
self.read_async_internal(read, false, true).await
}
async fn transaction<'a, 'b>(
&'a mut self,
address: A,
operations: &'a mut [Operation<'b>],
) -> Result<(), Self::Error> {
async fn transaction(&mut self, address: A, operations: &mut [Operation<'_>]) -> Result<(), Self::Error> {
let addr: u16 = address.into();
let mut iterator = operations.iter_mut();

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

@@ -19,6 +19,7 @@ pub enum Error {
}
#[non_exhaustive]
#[derive(Clone)]
pub struct Config {
pub frequency: u32,
pub phase: Phase,

6
embassy-stm32/Cargo.toml
View File

@@ -44,9 +44,9 @@ 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.9", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.0", optional = true}
embedded-hal-nb = { version = "=1.0.0-alpha.1", optional = true}
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-storage = "0.3.0"

75
embassy-stm32/src/i2c/timeout.rs
View File

@@ -28,64 +28,64 @@ impl<'d, T: Instance, TXDMA, RXDMA> TimeoutI2c<'d, T, TXDMA, RXDMA> {
}
/// Blocking read with a custom timeout
pub fn blocking_read_timeout(&mut self, addr: u8, buffer: &mut [u8], timeout: Duration) -> Result<(), Error> {
self.i2c.blocking_read_timeout(addr, buffer, timeout_fn(timeout))
pub fn blocking_read_timeout(&mut self, addr: u8, read: &mut [u8], timeout: Duration) -> Result<(), Error> {
self.i2c.blocking_read_timeout(addr, read, timeout_fn(timeout))
}
/// Blocking read with default timeout, provided in [`TimeoutI2c::new()`]
pub fn blocking_read(&mut self, addr: u8, buffer: &mut [u8]) -> Result<(), Error> {
self.blocking_read_timeout(addr, buffer, self.timeout)
pub fn blocking_read(&mut self, addr: u8, read: &mut [u8]) -> Result<(), Error> {
self.blocking_read_timeout(addr, read, self.timeout)
}
/// Blocking write with a custom timeout
pub fn blocking_write_timeout(&mut self, addr: u8, bytes: &[u8], timeout: Duration) -> Result<(), Error> {
self.i2c.blocking_write_timeout(addr, bytes, timeout_fn(timeout))
pub fn blocking_write_timeout(&mut self, addr: u8, write: &[u8], timeout: Duration) -> Result<(), Error> {
self.i2c.blocking_write_timeout(addr, write, timeout_fn(timeout))
}
/// Blocking write with default timeout, provided in [`TimeoutI2c::new()`]
pub fn blocking_write(&mut self, addr: u8, bytes: &[u8]) -> Result<(), Error> {
self.blocking_write_timeout(addr, bytes, self.timeout)
pub fn blocking_write(&mut self, addr: u8, write: &[u8]) -> Result<(), Error> {
self.blocking_write_timeout(addr, write, self.timeout)
}
/// Blocking write-read with a custom timeout
pub fn blocking_write_read_timeout(
&mut self,
addr: u8,
bytes: &[u8],
buffer: &mut [u8],
write: &[u8],
read: &mut [u8],
timeout: Duration,
) -> Result<(), Error> {
self.i2c
.blocking_write_read_timeout(addr, bytes, buffer, timeout_fn(timeout))
.blocking_write_read_timeout(addr, write, read, timeout_fn(timeout))
}
/// Blocking write-read with default timeout, provided in [`TimeoutI2c::new()`]
pub fn blocking_write_read(&mut self, addr: u8, bytes: &[u8], buffer: &mut [u8]) -> Result<(), Error> {
self.blocking_write_read_timeout(addr, bytes, buffer, self.timeout)
pub fn blocking_write_read(&mut self, addr: u8, write: &[u8], read: &mut [u8]) -> Result<(), Error> {
self.blocking_write_read_timeout(addr, write, read, self.timeout)
}
}
impl<'d, T: Instance, TXDMA, RXDMA> embedded_hal_02::blocking::i2c::Read for TimeoutI2c<'d, T, TXDMA, RXDMA> {
type Error = Error;
fn read(&mut self, addr: u8, buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(addr, buffer)
fn read(&mut self, addr: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(addr, read)
}
}
impl<'d, T: Instance, TXDMA, RXDMA> embedded_hal_02::blocking::i2c::Write for TimeoutI2c<'d, T, TXDMA, RXDMA> {
type Error = Error;
fn write(&mut self, addr: u8, bytes: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(addr, bytes)
fn write(&mut self, addr: u8, write: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(addr, write)
}
}
impl<'d, T: Instance, TXDMA, RXDMA> embedded_hal_02::blocking::i2c::WriteRead for TimeoutI2c<'d, T, TXDMA, RXDMA> {
type Error = Error;
fn write_read(&mut self, addr: u8, bytes: &[u8], buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(addr, bytes, buffer)
fn write_read(&mut self, addr: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(addr, write, read)
}
}
@@ -98,45 +98,24 @@ mod eh1 {
}
impl<'d, T: Instance, TXDMA, RXDMA> embedded_hal_1::i2c::I2c for TimeoutI2c<'d, T, TXDMA, RXDMA> {
fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, buffer)
fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, read)
}
fn write(&mut self, address: u8, buffer: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, buffer)
fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, write)
}
fn write_iter<B>(&mut self, _address: u8, _bytes: B) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, write, read)
}
fn write_iter_read<B>(&mut self, _address: u8, _bytes: B, _buffer: &mut [u8]) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_read(&mut self, address: u8, wr_buffer: &[u8], rd_buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, wr_buffer, rd_buffer)
}
fn transaction<'a>(
fn transaction(
&mut self,
_address: u8,
_operations: &mut [embedded_hal_1::i2c::Operation<'a>],
_operations: &mut [embedded_hal_1::i2c::Operation<'_>],
) -> Result<(), Self::Error> {
todo!();
}
fn transaction_iter<'a, O>(&mut self, _address: u8, _operations: O) -> Result<(), Self::Error>
where
O: IntoIterator<Item = embedded_hal_1::i2c::Operation<'a>>,
{
todo!();
}
}
}

73
embassy-stm32/src/i2c/v1.rs
View File

@@ -307,18 +307,18 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
}
}
pub fn blocking_read(&mut self, addr: u8, buffer: &mut [u8]) -> Result<(), Error> {
self.blocking_read_timeout(addr, buffer, || Ok(()))
pub fn blocking_read(&mut self, addr: u8, read: &mut [u8]) -> Result<(), Error> {
self.blocking_read_timeout(addr, read, || Ok(()))
}
pub fn blocking_write_timeout(
&mut self,
addr: u8,
bytes: &[u8],
write: &[u8],
check_timeout: impl Fn() -> Result<(), Error>,
) -> Result<(), Error> {
unsafe {
self.write_bytes(addr, bytes, &check_timeout)?;
self.write_bytes(addr, write, &check_timeout)?;
// Send a STOP condition
T::regs().cr1().modify(|reg| reg.set_stop(true));
// Wait for STOP condition to transmit.
@@ -331,49 +331,49 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
Ok(())
}
pub fn blocking_write(&mut self, addr: u8, bytes: &[u8]) -> Result<(), Error> {
self.blocking_write_timeout(addr, bytes, || Ok(()))
pub fn blocking_write(&mut self, addr: u8, write: &[u8]) -> Result<(), Error> {
self.blocking_write_timeout(addr, write, || Ok(()))
}
pub fn blocking_write_read_timeout(
&mut self,
addr: u8,
bytes: &[u8],
buffer: &mut [u8],
write: &[u8],
read: &mut [u8],
check_timeout: impl Fn() -> Result<(), Error>,
) -> Result<(), Error> {
unsafe { self.write_bytes(addr, bytes, &check_timeout)? };
self.blocking_read_timeout(addr, buffer, &check_timeout)?;
unsafe { self.write_bytes(addr, write, &check_timeout)? };
self.blocking_read_timeout(addr, read, &check_timeout)?;
Ok(())
}
pub fn blocking_write_read(&mut self, addr: u8, bytes: &[u8], buffer: &mut [u8]) -> Result<(), Error> {
self.blocking_write_read_timeout(addr, bytes, buffer, || Ok(()))
pub fn blocking_write_read(&mut self, addr: u8, write: &[u8], read: &mut [u8]) -> Result<(), Error> {
self.blocking_write_read_timeout(addr, write, read, || Ok(()))
}
}
impl<'d, T: Instance> embedded_hal_02::blocking::i2c::Read for I2c<'d, T> {
type Error = Error;
fn read(&mut self, addr: u8, buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(addr, buffer)
fn read(&mut self, addr: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(addr, read)
}
}
impl<'d, T: Instance> embedded_hal_02::blocking::i2c::Write for I2c<'d, T> {
type Error = Error;
fn write(&mut self, addr: u8, bytes: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(addr, bytes)
fn write(&mut self, addr: u8, write: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(addr, write)
}
}
impl<'d, T: Instance> embedded_hal_02::blocking::i2c::WriteRead for I2c<'d, T> {
type Error = Error;
fn write_read(&mut self, addr: u8, bytes: &[u8], buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(addr, bytes, buffer)
fn write_read(&mut self, addr: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(addr, write, read)
}
}
@@ -402,46 +402,25 @@ mod eh1 {
}
impl<'d, T: Instance> embedded_hal_1::i2c::I2c for I2c<'d, T> {
fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, buffer)
fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, read)
}
fn write(&mut self, address: u8, buffer: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, buffer)
fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, write)
}
fn write_iter<B>(&mut self, _address: u8, _bytes: B) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, write, read)
}
fn write_iter_read<B>(&mut self, _address: u8, _bytes: B, _buffer: &mut [u8]) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_read(&mut self, address: u8, wr_buffer: &[u8], rd_buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, wr_buffer, rd_buffer)
}
fn transaction<'a>(
fn transaction(
&mut self,
_address: u8,
_operations: &mut [embedded_hal_1::i2c::Operation<'a>],
_operations: &mut [embedded_hal_1::i2c::Operation<'_>],
) -> Result<(), Self::Error> {
todo!();
}
fn transaction_iter<'a, O>(&mut self, _address: u8, _operations: O) -> Result<(), Self::Error>
where
O: IntoIterator<Item = embedded_hal_1::i2c::Operation<'a>>,
{
todo!();
}
}
}

158
embassy-stm32/src/i2c/v2.rs
View File

@@ -345,12 +345,12 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
fn read_internal(
&mut self,
address: u8,
buffer: &mut [u8],
read: &mut [u8],
restart: bool,
check_timeout: impl Fn() -> Result<(), Error>,
) -> Result<(), Error> {
let completed_chunks = buffer.len() / 255;
let total_chunks = if completed_chunks * 255 == buffer.len() {
let completed_chunks = read.len() / 255;
let total_chunks = if completed_chunks * 255 == read.len() {
completed_chunks
} else {
completed_chunks + 1
@@ -360,7 +360,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
unsafe {
Self::master_read(
address,
buffer.len().min(255),
read.len().min(255),
Stop::Automatic,
last_chunk_idx != 0,
restart,
@@ -368,7 +368,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
)?;
}
for (number, chunk) in buffer.chunks_mut(255).enumerate() {
for (number, chunk) in read.chunks_mut(255).enumerate() {
if number != 0 {
// NOTE(unsafe) We have &mut self
unsafe {
@@ -391,12 +391,12 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
fn write_internal(
&mut self,
address: u8,
bytes: &[u8],
write: &[u8],
send_stop: bool,
check_timeout: impl Fn() -> Result<(), Error>,
) -> Result<(), Error> {
let completed_chunks = bytes.len() / 255;
let total_chunks = if completed_chunks * 255 == bytes.len() {
let completed_chunks = write.len() / 255;
let total_chunks = if completed_chunks * 255 == write.len() {
completed_chunks
} else {
completed_chunks + 1
@@ -410,14 +410,14 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
unsafe {
Self::master_write(
address,
bytes.len().min(255),
write.len().min(255),
Stop::Software,
last_chunk_idx != 0,
&check_timeout,
)?;
}
for (number, chunk) in bytes.chunks(255).enumerate() {
for (number, chunk) in write.chunks(255).enumerate() {
if number != 0 {
// NOTE(unsafe) We have &mut self
unsafe {
@@ -448,7 +448,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
async fn write_dma_internal(
&mut self,
address: u8,
bytes: &[u8],
write: &[u8],
first_slice: bool,
last_slice: bool,
check_timeout: impl Fn() -> Result<(), Error>,
@@ -456,7 +456,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
where
TXDMA: crate::i2c::TxDma<T>,
{
let total_len = bytes.len();
let total_len = write.len();
let completed_chunks = total_len / 255;
let total_chunks = if completed_chunks * 255 == total_len {
completed_chunks
@@ -476,7 +476,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
let ch = &mut self.tx_dma;
let request = ch.request();
crate::dma::write(ch, request, bytes, dst)
crate::dma::write(ch, request, write, dst)
};
let state = T::state();
@@ -641,25 +641,25 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
// =========================
// Async public API
pub async fn write(&mut self, address: u8, bytes: &[u8]) -> Result<(), Error>
pub async fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Error>
where
TXDMA: crate::i2c::TxDma<T>,
{
if bytes.is_empty() {
self.write_internal(address, bytes, true, || Ok(()))
if write.is_empty() {
self.write_internal(address, write, true, || Ok(()))
} else {
self.write_dma_internal(address, bytes, true, true, || Ok(())).await
self.write_dma_internal(address, write, true, true, || Ok(())).await
}
}
pub async fn write_vectored(&mut self, address: u8, bytes: &[&[u8]]) -> Result<(), Error>
pub async fn write_vectored(&mut self, address: u8, write: &[&[u8]]) -> Result<(), Error>
where
TXDMA: crate::i2c::TxDma<T>,
{
if bytes.is_empty() {
if write.is_empty() {
return Err(Error::ZeroLengthTransfer);
}
let mut iter = bytes.iter();
let mut iter = write.iter();
let mut first = true;
let mut current = iter.next();
@@ -685,21 +685,21 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
}
}
pub async fn write_read(&mut self, address: u8, bytes: &[u8], buffer: &mut [u8]) -> Result<(), Error>
pub async fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Error>
where
TXDMA: super::TxDma<T>,
RXDMA: super::RxDma<T>,
{
if bytes.is_empty() {
self.write_internal(address, bytes, false, || Ok(()))?;
if write.is_empty() {
self.write_internal(address, write, false, || Ok(()))?;
} else {
self.write_dma_internal(address, bytes, true, true, || Ok(())).await?;
self.write_dma_internal(address, write, true, true, || Ok(())).await?;
}
if buffer.is_empty() {
self.read_internal(address, buffer, true, || Ok(()))?;
if read.is_empty() {
self.read_internal(address, read, true, || Ok(()))?;
} else {
self.read_dma_internal(address, buffer, true, || Ok(())).await?;
self.read_dma_internal(address, read, true, || Ok(())).await?;
}
Ok(())
@@ -711,57 +711,57 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
pub fn blocking_read_timeout(
&mut self,
address: u8,
buffer: &mut [u8],
read: &mut [u8],
check_timeout: impl Fn() -> Result<(), Error>,
) -> Result<(), Error> {
self.read_internal(address, buffer, false, &check_timeout)
self.read_internal(address, read, false, &check_timeout)
// Automatic Stop
}
pub fn blocking_read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Error> {
self.blocking_read_timeout(address, buffer, || Ok(()))
pub fn blocking_read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Error> {
self.blocking_read_timeout(address, read, || Ok(()))
}
pub fn blocking_write_timeout(
&mut self,
address: u8,
bytes: &[u8],
write: &[u8],
check_timeout: impl Fn() -> Result<(), Error>,
) -> Result<(), Error> {
self.write_internal(address, bytes, true, &check_timeout)
self.write_internal(address, write, true, &check_timeout)
}
pub fn blocking_write(&mut self, address: u8, bytes: &[u8]) -> Result<(), Error> {
self.blocking_write_timeout(address, bytes, || Ok(()))
pub fn blocking_write(&mut self, address: u8, write: &[u8]) -> Result<(), Error> {
self.blocking_write_timeout(address, write, || Ok(()))
}
pub fn blocking_write_read_timeout(
&mut self,
address: u8,
bytes: &[u8],
buffer: &mut [u8],
write: &[u8],
read: &mut [u8],
check_timeout: impl Fn() -> Result<(), Error>,
) -> Result<(), Error> {
self.write_internal(address, bytes, false, &check_timeout)?;
self.read_internal(address, buffer, true, &check_timeout)
self.write_internal(address, write, false, &check_timeout)?;
self.read_internal(address, read, true, &check_timeout)
// Automatic Stop
}
pub fn blocking_write_read(&mut self, address: u8, bytes: &[u8], buffer: &mut [u8]) -> Result<(), Error> {
self.blocking_write_read_timeout(address, bytes, buffer, || Ok(()))
pub fn blocking_write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Error> {
self.blocking_write_read_timeout(address, write, read, || Ok(()))
}
pub fn blocking_write_vectored_timeout(
&mut self,
address: u8,
bytes: &[&[u8]],
write: &[&[u8]],
check_timeout: impl Fn() -> Result<(), Error>,
) -> Result<(), Error> {
if bytes.is_empty() {
if write.is_empty() {
return Err(Error::ZeroLengthTransfer);
}
let first_length = bytes[0].len();
let last_slice_index = bytes.len() - 1;
let first_length = write[0].len();
let last_slice_index = write.len() - 1;
// NOTE(unsafe) We have &mut self
unsafe {
@@ -774,7 +774,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
)?;
}
for (idx, slice) in bytes.iter().enumerate() {
for (idx, slice) in write.iter().enumerate() {
let slice_len = slice.len();
let completed_chunks = slice_len / 255;
let total_chunks = if completed_chunks * 255 == slice_len {
@@ -828,8 +828,8 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
Ok(())
}
pub fn blocking_write_vectored(&mut self, address: u8, bytes: &[&[u8]]) -> Result<(), Error> {
self.blocking_write_vectored_timeout(address, bytes, || Ok(()))
pub fn blocking_write_vectored(&mut self, address: u8, write: &[&[u8]]) -> Result<(), Error> {
self.blocking_write_vectored_timeout(address, write, || Ok(()))
}
}
@@ -847,16 +847,16 @@ mod eh02 {
impl<'d, T: Instance> embedded_hal_02::blocking::i2c::Write for I2c<'d, T> {
type Error = Error;
fn write(&mut self, address: u8, bytes: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, bytes)
fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, write)
}
}
impl<'d, T: Instance> embedded_hal_02::blocking::i2c::WriteRead for I2c<'d, T> {
type Error = Error;
fn write_read(&mut self, address: u8, bytes: &[u8], buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, bytes, buffer)
fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, write, read)
}
}
}
@@ -1010,46 +1010,25 @@ mod eh1 {
}
impl<'d, T: Instance> embedded_hal_1::i2c::I2c for I2c<'d, T, NoDma, NoDma> {
fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, buffer)
fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, read)
}
fn write(&mut self, address: u8, buffer: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, buffer)
fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, write)
}
fn write_iter<B>(&mut self, _address: u8, _bytes: B) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, write, read)
}
fn write_iter_read<B>(&mut self, _address: u8, _bytes: B, _buffer: &mut [u8]) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_read(&mut self, address: u8, wr_buffer: &[u8], rd_buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, wr_buffer, rd_buffer)
}
fn transaction<'a>(
fn transaction(
&mut self,
_address: u8,
_operations: &mut [embedded_hal_1::i2c::Operation<'a>],
_operations: &mut [embedded_hal_1::i2c::Operation<'_>],
) -> Result<(), Self::Error> {
todo!();
}
fn transaction_iter<'a, O>(&mut self, _address: u8, _operations: O) -> Result<(), Self::Error>
where
O: IntoIterator<Item = embedded_hal_1::i2c::Operation<'a>>,
{
todo!();
}
}
}
@@ -1059,27 +1038,22 @@ mod eha {
use super::*;
impl<'d, T: Instance, TXDMA: TxDma<T>, RXDMA: RxDma<T>> embedded_hal_async::i2c::I2c for I2c<'d, T, TXDMA, RXDMA> {
async fn read<'a>(&'a mut self, address: u8, read: &'a mut [u8]) -> Result<(), Self::Error> {
async fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Self::Error> {
self.read(address, read).await
}
async fn write<'a>(&'a mut self, address: u8, write: &'a [u8]) -> Result<(), Self::Error> {
async fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error> {
self.write(address, write).await
}
async fn write_read<'a>(
&'a mut self,
address: u8,
write: &'a [u8],
read: &'a mut [u8],
) -> Result<(), Self::Error> {
async fn write_read(&mut self, address: u8, write: &[u8], read: &mut [u8]) -> Result<(), Self::Error> {
self.write_read(address, write, read).await
}
async fn transaction<'a, 'b>(
&'a mut self,
async fn transaction(
&mut self,
address: u8,
operations: &'a mut [embedded_hal_1::i2c::Operation<'b>],
operations: &mut [embedded_hal_1::i2c::Operation<'_>],
) -> Result<(), Self::Error> {
let _ = address;
let _ = operations;

4
embassy-time/Cargo.toml
View File

@@ -152,8 +152,8 @@ defmt = { version = "0.3", optional = true }
log = { version = "0.4.14", optional = true }
embedded-hal-02 = { package = "embedded-hal", version = "0.2.6" }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9", optional = true}
embedded-hal-async = { version = "=0.2.0-alpha.0", optional = true}
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}
futures-util = { version = "0.3.17", default-features = false }
embassy-sync = { version = "0.1", path = "../embassy-sync" }

20
embassy-time/src/delay.rs
View File

@@ -19,14 +19,12 @@ mod eh1 {
use super::*;
impl embedded_hal_1::delay::DelayUs for Delay {
type Error = core::convert::Infallible;
fn delay_us(&mut self, us: u32) -> Result<(), Self::Error> {
Ok(block_for(Duration::from_micros(us as u64)))
fn delay_us(&mut self, us: u32) {
block_for(Duration::from_micros(us as u64))
}
fn delay_ms(&mut self, ms: u32) -> Result<(), Self::Error> {
Ok(block_for(Duration::from_millis(ms as u64)))
fn delay_ms(&mut self, ms: u32) {
block_for(Duration::from_millis(ms as u64))
}
}
}
@@ -37,14 +35,12 @@ mod eha {
use crate::Timer;
impl embedded_hal_async::delay::DelayUs for Delay {
type Error = core::convert::Infallible;
async fn delay_us(&mut self, micros: u32) -> Result<(), Self::Error> {
Ok(Timer::after(Duration::from_micros(micros as _)).await)
async fn delay_us(&mut self, micros: u32) {
Timer::after(Duration::from_micros(micros as _)).await
}
async fn delay_ms(&mut self, millis: u32) -> Result<(), Self::Error> {
Ok(Timer::after(Duration::from_millis(millis as _)).await)
async fn delay_ms(&mut self, millis: u32) {
Timer::after(Duration::from_millis(millis as _)).await
}
}
}

2
examples/rp/.cargo/config.toml
View File

@@ -1,5 +1,5 @@
[target.'cfg(all(target_arch = "arm", target_os = "none"))']
runner = "probe-run --chip RP2040"
runner = "probe-rs-cli run --chip RP2040"
[build]
target = "thumbv6m-none-eabi" # Cortex-M0 and Cortex-M0+

5
examples/rp/Cargo.toml
View File

@@ -6,6 +6,7 @@ license = "MIT OR Apache-2.0"
[dependencies]
embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal", features = ["defmt"] }
embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
embassy-executor = { version = "0.1.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime"] }
@@ -30,8 +31,8 @@ display-interface = "0.4.1"
byte-slice-cast = { version = "1.2.0", default-features = false }
smart-leds = "0.3.0"
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
embedded-hal-async = "0.2.0-alpha.0"
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = "0.2.0-alpha.1"
embedded-io = { version = "0.4.0", features = ["async", "defmt"] }
embedded-storage = { version = "0.3" }
static_cell = "1.0.0"

158
examples/rp/src/bin/spi_display.rs
View File

@@ -5,10 +5,13 @@
use core::cell::RefCell;
use defmt::*;
use embassy_embedded_hal::shared_bus::blocking::spi::SpiDeviceWithConfig;
use embassy_executor::Spawner;
use embassy_rp::gpio::{Level, Output};
use embassy_rp::spi;
use embassy_rp::spi::{Blocking, Spi};
use embassy_sync::blocking_mutex::raw::NoopRawMutex;
use embassy_sync::blocking_mutex::Mutex;
use embassy_time::Delay;
use embedded_graphics::image::{Image, ImageRawLE};
use embedded_graphics::mono_font::ascii::FONT_10X20;
@@ -21,10 +24,9 @@ use st7789::{Orientation, ST7789};
use {defmt_rtt as _, panic_probe as _};
use crate::my_display_interface::SPIDeviceInterface;
use crate::shared_spi::SpiDeviceWithCs;
use crate::touch::Touch;
//const DISPLAY_FREQ: u32 = 64_000_000;
const DISPLAY_FREQ: u32 = 64_000_000;
const TOUCH_FREQ: u32 = 200_000;
#[embassy_executor::main]
@@ -43,16 +45,20 @@ async fn main(_spawner: Spawner) {
//let touch_irq = p.PIN_17;
// create SPI
let mut config = spi::Config::default();
config.frequency = TOUCH_FREQ; // use the lowest freq
config.phase = spi::Phase::CaptureOnSecondTransition;
config.polarity = spi::Polarity::IdleHigh;
let mut display_config = spi::Config::default();
display_config.frequency = DISPLAY_FREQ;
display_config.phase = spi::Phase::CaptureOnSecondTransition;
display_config.polarity = spi::Polarity::IdleHigh;
let mut touch_config = spi::Config::default();
touch_config.frequency = TOUCH_FREQ;
touch_config.phase = spi::Phase::CaptureOnSecondTransition;
touch_config.polarity = spi::Polarity::IdleHigh;
let spi: Spi<'_, _, Blocking> = Spi::new_blocking(p.SPI1, clk, mosi, miso, config);
let spi_bus = RefCell::new(spi);
let spi: Spi<'_, _, Blocking> = Spi::new_blocking(p.SPI1, clk, mosi, miso, touch_config.clone());
let spi_bus: Mutex<NoopRawMutex, _> = Mutex::new(RefCell::new(spi));
let display_spi = SpiDeviceWithCs::new(&spi_bus, Output::new(display_cs, Level::High));
let touch_spi = SpiDeviceWithCs::new(&spi_bus, Output::new(touch_cs, Level::High));
let display_spi = SpiDeviceWithConfig::new(&spi_bus, Output::new(display_cs, Level::High), display_config);
let touch_spi = SpiDeviceWithConfig::new(&spi_bus, Output::new(touch_cs, Level::High), touch_config);
let mut touch = Touch::new(touch_spi);
@@ -104,85 +110,9 @@ async fn main(_spawner: Spawner) {
}
}
mod shared_spi {
use core::cell::RefCell;
use core::fmt::Debug;
use embedded_hal_1::digital::OutputPin;
use embedded_hal_1::spi;
use embedded_hal_1::spi::SpiDevice;
#[derive(Copy, Clone, Eq, PartialEq, Debug)]
pub enum SpiDeviceWithCsError<BUS, CS> {
#[allow(unused)] // will probably use in the future when adding a flush() to SpiBus
Spi(BUS),
Cs(CS),
}
impl<BUS, CS> spi::Error for SpiDeviceWithCsError<BUS, CS>
where
BUS: spi::Error + Debug,
CS: Debug,
{
fn kind(&self) -> spi::ErrorKind {
match self {
Self::Spi(e) => e.kind(),
Self::Cs(_) => spi::ErrorKind::Other,
}
}
}
pub struct SpiDeviceWithCs<'a, BUS, CS> {
bus: &'a RefCell<BUS>,
cs: CS,
}
impl<'a, BUS, CS> SpiDeviceWithCs<'a, BUS, CS> {
pub fn new(bus: &'a RefCell<BUS>, cs: CS) -> Self {
Self { bus, cs }
}
}
impl<'a, BUS, CS> spi::ErrorType for SpiDeviceWithCs<'a, BUS, CS>
where
BUS: spi::ErrorType,
CS: OutputPin,
{
type Error = SpiDeviceWithCsError<BUS::Error, CS::Error>;
}
impl<'a, BUS, CS> SpiDevice for SpiDeviceWithCs<'a, BUS, CS>
where
BUS: spi::SpiBusFlush,
CS: OutputPin,
{
type Bus = BUS;
fn transaction<R>(
&mut self,
f: impl FnOnce(&mut Self::Bus) -> Result<R, BUS::Error>,
) -> Result<R, Self::Error> {
let mut bus = self.bus.borrow_mut();
self.cs.set_low().map_err(SpiDeviceWithCsError::Cs)?;
let f_res = f(&mut bus);
// On failure, it's important to still flush and deassert CS.
let flush_res = bus.flush();
let cs_res = self.cs.set_high();
let f_res = f_res.map_err(SpiDeviceWithCsError::Spi)?;
flush_res.map_err(SpiDeviceWithCsError::Spi)?;
cs_res.map_err(SpiDeviceWithCsError::Cs)?;
Ok(f_res)
}
}
}
/// Driver for the XPT2046 resistive touchscreen sensor
mod touch {
use embedded_hal_1::spi::{SpiBus, SpiBusRead, SpiBusWrite, SpiDevice};
use embedded_hal_1::spi::{Operation, SpiDevice};
struct Calibration {
x1: i32,
@@ -209,7 +139,6 @@ mod touch {
impl<SPI> Touch<SPI>
where
SPI: SpiDevice,
SPI::Bus: SpiBus,
{
pub fn new(spi: SPI) -> Self {
Self { spi }
@@ -219,13 +148,12 @@ mod touch {
let mut x = [0; 2];
let mut y = [0; 2];
self.spi
.transaction(|bus| {
bus.write(&[0x90])?;
bus.read(&mut x)?;
bus.write(&[0xd0])?;
bus.read(&mut y)?;
Ok(())
})
.transaction(&mut [
Operation::Write(&[0x90]),
Operation::Read(&mut x),
Operation::Write(&[0xd0]),
Operation::Read(&mut y),
])
.unwrap();
let x = (u16::from_be_bytes(x) >> 3) as i32;
@@ -247,7 +175,7 @@ mod touch {
mod my_display_interface {
use display_interface::{DataFormat, DisplayError, WriteOnlyDataCommand};
use embedded_hal_1::digital::OutputPin;
use embedded_hal_1::spi::{SpiBusWrite, SpiDevice};
use embedded_hal_1::spi::SpiDeviceWrite;
/// SPI display interface.
///
@@ -259,8 +187,7 @@ mod my_display_interface {
impl<SPI, DC> SPIDeviceInterface<SPI, DC>
where
SPI: SpiDevice,
SPI::Bus: SpiBusWrite,
SPI: SpiDeviceWrite,
DC: OutputPin,
{
/// Create new SPI interface for communciation with a display driver
@@ -271,42 +198,27 @@ mod my_display_interface {
impl<SPI, DC> WriteOnlyDataCommand for SPIDeviceInterface<SPI, DC>
where
SPI: SpiDevice,
SPI::Bus: SpiBusWrite,
SPI: SpiDeviceWrite,
DC: OutputPin,
{
fn send_commands(&mut self, cmds: DataFormat<'_>) -> Result<(), DisplayError> {
let r = self.spi.transaction(|bus| {
// 1 = data, 0 = command
if let Err(_) = self.dc.set_low() {
return Ok(Err(DisplayError::DCError));
}
// 1 = data, 0 = command
self.dc.set_low().map_err(|_| DisplayError::DCError)?;
// Send words over SPI
send_u8(bus, cmds)?;
Ok(Ok(()))
});
r.map_err(|_| DisplayError::BusWriteError)?
send_u8(&mut self.spi, cmds).map_err(|_| DisplayError::BusWriteError)?;
Ok(())
}
fn send_data(&mut self, buf: DataFormat<'_>) -> Result<(), DisplayError> {
let r = self.spi.transaction(|bus| {
// 1 = data, 0 = command
if let Err(_) = self.dc.set_high() {
return Ok(Err(DisplayError::DCError));
}
// 1 = data, 0 = command
self.dc.set_high().map_err(|_| DisplayError::DCError)?;
// Send words over SPI
send_u8(bus, buf)?;
Ok(Ok(()))
});
r.map_err(|_| DisplayError::BusWriteError)?
send_u8(&mut self.spi, buf).map_err(|_| DisplayError::BusWriteError)?;
Ok(())
}
}
fn send_u8<T: SpiBusWrite>(spi: &mut T, words: DataFormat<'_>) -> Result<(), T::Error> {
fn send_u8<T: SpiDeviceWrite>(spi: &mut T, words: DataFormat<'_>) -> Result<(), T::Error> {
match words {
DataFormat::U8(slice) => spi.write(slice),
DataFormat::U16(slice) => {

2
examples/stm32f1/Cargo.toml
View File

@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
embassy-sync = { version = "0.1.0", path = "../../embassy-sync", features = ["defmt"] }
embassy-executor = { version = "0.1.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any", "unstable-traits" ] }
embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }

4
examples/stm32h5/Cargo.toml
View File

@@ -19,8 +19,8 @@ defmt-rtt = "0.4"
cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
cortex-m-rt = "0.7.0"
embedded-hal = "0.2.6"
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
embedded-hal-async = { version = "=0.2.0-alpha.0" }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
embedded-nal-async = "0.4.0"
panic-probe = { version = "0.3", features = ["print-defmt"] }
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }

4
examples/stm32h7/Cargo.toml
View File

@@ -19,8 +19,8 @@ defmt-rtt = "0.4"
cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
cortex-m-rt = "0.7.0"
embedded-hal = "0.2.6"
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
embedded-hal-async = { version = "=0.2.0-alpha.0" }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
embedded-nal-async = "0.4.0"
panic-probe = { version = "0.3", features = ["print-defmt"] }
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }

4
examples/stm32l4/Cargo.toml
View File

@@ -18,8 +18,8 @@ defmt-rtt = "0.4"
cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
cortex-m-rt = "0.7.0"
embedded-hal = "0.2.6"
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
embedded-hal-async = { version = "=0.2.0-alpha.0" }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
panic-probe = { version = "0.3", features = ["print-defmt"] }
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
heapless = { version = "0.7.5", default-features = false }

4
tests/rp/Cargo.toml
View File

@@ -17,8 +17,8 @@ defmt-rtt = "0.4"
cortex-m = { version = "0.7.6" }
cortex-m-rt = "0.7.0"
embedded-hal = "0.2.6"
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
embedded-hal-async = { version = "=0.2.0-alpha.0" }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
panic-probe = { version = "0.3.0", features = ["print-defmt"] }
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
embedded-io = { version = "0.4.0", features = ["async"] }

4
tests/stm32/Cargo.toml
View File

@@ -25,8 +25,8 @@ defmt-rtt = "0.4"
cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
cortex-m-rt = "0.7.0"
embedded-hal = "0.2.6"
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
embedded-hal-async = { version = "=0.2.0-alpha.0" }
embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
embedded-hal-async = { version = "=0.2.0-alpha.1" }
panic-probe = { version = "0.3.0", features = ["print-defmt"] }
[profile.dev]