Add external LoRa physical layer functionality.
This commit is contained in:
ceekdee
parent
fb27594b2e
commit
02c86bca52
@ -22,6 +22,7 @@ sx127x = []
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stm32wl = ["dep:embassy-stm32"]
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time = []
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defmt = ["dep:defmt", "lorawan/defmt", "lorawan-device/defmt"]
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external-lora-phy = ["dep:lora-phy"]
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[dependencies]
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@ -35,8 +36,9 @@ embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
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embedded-hal-async = { version = "=0.2.0-alpha.1" }
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embassy-hal-common = { version = "0.1.0", path = "../embassy-hal-common", default-features = false }
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futures = { version = "0.3.17", default-features = false, features = [ "async-await" ] }
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embedded-hal = { version = "0.2", features = ["unproven"] }
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embedded-hal = { version = "0.2.6" }
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bit_field = { version = "0.10" }
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lorawan-device = { version = "0.9.0", default-features = false, features = ["async"] }
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lorawan = { version = "0.7.2", default-features = false }
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lora-phy = { version = "1", path = "../../lora-phy", optional = true }
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lorawan-device = { version = "0.9.0", path = "../../rust-lorawan/device", default-features = false, features = ["async"] }
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lorawan = { version = "0.7.2", path = "../../rust-lorawan/encoding", default-features = false }
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325
embassy-lora/src/iv.rs
Normal file
325
embassy-lora/src/iv.rs
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@ -0,0 +1,325 @@
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#[cfg(feature = "stm32wl")]
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use embassy_stm32::interrupt::*;
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#[cfg(feature = "stm32wl")]
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use embassy_stm32::{pac, PeripheralRef};
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#[cfg(feature = "stm32wl")]
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use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
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#[cfg(feature = "stm32wl")]
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use embassy_sync::signal::Signal;
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use embedded_hal::digital::v2::OutputPin;
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use embedded_hal_async::delay::DelayUs;
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use embedded_hal_async::digital::Wait;
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use lora_phy::mod_params::RadioError::*;
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use lora_phy::mod_params::{BoardType, RadioError};
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use lora_phy::mod_traits::InterfaceVariant;
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#[cfg(feature = "stm32wl")]
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static IRQ_SIGNAL: Signal<CriticalSectionRawMutex, ()> = Signal::new();
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#[cfg(feature = "stm32wl")]
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/// Base for the InterfaceVariant implementation for an stm32wl/sx1262 combination
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pub struct Stm32wlInterfaceVariant<'a, CTRL> {
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board_type: BoardType,
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irq: PeripheralRef<'a, SUBGHZ_RADIO>,
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rf_switch_rx: Option<CTRL>,
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rf_switch_tx: Option<CTRL>,
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}
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#[cfg(feature = "stm32wl")]
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impl<'a, CTRL> Stm32wlInterfaceVariant<'a, CTRL>
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where
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CTRL: OutputPin,
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{
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/// Create an InterfaceVariant instance for an stm32wl/sx1262 combination
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pub fn new(
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irq: PeripheralRef<'a, SUBGHZ_RADIO>,
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rf_switch_rx: Option<CTRL>,
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rf_switch_tx: Option<CTRL>,
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) -> Result<Self, RadioError> {
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irq.disable();
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irq.set_handler(Self::on_interrupt);
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Ok(Self {
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board_type: BoardType::Stm32wlSx1262, // updated when associated with a specific LoRa board
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irq,
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rf_switch_rx,
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rf_switch_tx,
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})
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}
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fn on_interrupt(_: *mut ()) {
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unsafe { SUBGHZ_RADIO::steal() }.disable();
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IRQ_SIGNAL.signal(());
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}
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}
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#[cfg(feature = "stm32wl")]
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impl<CTRL> InterfaceVariant for Stm32wlInterfaceVariant<'_, CTRL>
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where
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CTRL: OutputPin,
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{
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fn set_board_type(&mut self, board_type: BoardType) {
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self.board_type = board_type;
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}
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async fn set_nss_low(&mut self) -> Result<(), RadioError> {
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let pwr = pac::PWR;
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unsafe {
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pwr.subghzspicr().modify(|w| w.set_nss(pac::pwr::vals::Nss::LOW));
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}
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Ok(())
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}
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async fn set_nss_high(&mut self) -> Result<(), RadioError> {
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let pwr = pac::PWR;
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unsafe {
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pwr.subghzspicr().modify(|w| w.set_nss(pac::pwr::vals::Nss::HIGH));
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}
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Ok(())
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}
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async fn reset(&mut self, _delay: &mut impl DelayUs) -> Result<(), RadioError> {
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let rcc = pac::RCC;
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unsafe {
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rcc.csr().modify(|w| w.set_rfrst(true));
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rcc.csr().modify(|w| w.set_rfrst(false));
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}
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Ok(())
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}
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async fn wait_on_busy(&mut self) -> Result<(), RadioError> {
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let pwr = pac::PWR;
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while unsafe { pwr.sr2().read().rfbusys() == pac::pwr::vals::Rfbusys::BUSY } {}
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Ok(())
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}
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async fn await_irq(&mut self) -> Result<(), RadioError> {
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self.irq.enable();
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IRQ_SIGNAL.wait().await;
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Ok(())
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}
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async fn enable_rf_switch_rx(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchTx)?,
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None => (),
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};
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_high().map_err(|_| RfSwitchRx),
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None => Ok(()),
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}
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}
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async fn enable_rf_switch_tx(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchRx)?,
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None => (),
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};
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_high().map_err(|_| RfSwitchTx),
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None => Ok(()),
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}
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}
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async fn disable_rf_switch(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchRx)?,
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None => (),
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};
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchTx),
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None => Ok(()),
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}
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}
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}
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/// Base for the InterfaceVariant implementation for an stm32l0/sx1276 combination
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pub struct Stm32l0InterfaceVariant<CTRL, WAIT> {
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board_type: BoardType,
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nss: CTRL,
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reset: CTRL,
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irq: WAIT,
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rf_switch_rx: Option<CTRL>,
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rf_switch_tx: Option<CTRL>,
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}
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impl<CTRL, WAIT> Stm32l0InterfaceVariant<CTRL, WAIT>
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where
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CTRL: OutputPin,
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WAIT: Wait,
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{
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/// Create an InterfaceVariant instance for an stm32l0/sx1276 combination
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pub fn new(
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nss: CTRL,
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reset: CTRL,
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irq: WAIT,
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rf_switch_rx: Option<CTRL>,
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rf_switch_tx: Option<CTRL>,
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) -> Result<Self, RadioError> {
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Ok(Self {
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board_type: BoardType::Stm32l0Sx1276, // updated when associated with a specific LoRa board
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nss,
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reset,
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irq,
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rf_switch_rx,
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rf_switch_tx,
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})
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}
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}
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impl<CTRL, WAIT> InterfaceVariant for Stm32l0InterfaceVariant<CTRL, WAIT>
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where
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CTRL: OutputPin,
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WAIT: Wait,
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{
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fn set_board_type(&mut self, board_type: BoardType) {
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self.board_type = board_type;
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}
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async fn set_nss_low(&mut self) -> Result<(), RadioError> {
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self.nss.set_low().map_err(|_| NSS)
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}
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async fn set_nss_high(&mut self) -> Result<(), RadioError> {
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self.nss.set_high().map_err(|_| NSS)
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}
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async fn reset(&mut self, delay: &mut impl DelayUs) -> Result<(), RadioError> {
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delay.delay_ms(10).await;
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self.reset.set_low().map_err(|_| Reset)?;
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delay.delay_ms(10).await;
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self.reset.set_high().map_err(|_| Reset)?;
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delay.delay_ms(10).await;
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Ok(())
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}
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async fn wait_on_busy(&mut self) -> Result<(), RadioError> {
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Ok(())
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}
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async fn await_irq(&mut self) -> Result<(), RadioError> {
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self.irq.wait_for_high().await.map_err(|_| Irq)
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}
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async fn enable_rf_switch_rx(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchTx)?,
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None => (),
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};
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_high().map_err(|_| RfSwitchRx),
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None => Ok(()),
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}
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}
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async fn enable_rf_switch_tx(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchRx)?,
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None => (),
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};
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_high().map_err(|_| RfSwitchTx),
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None => Ok(()),
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}
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}
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async fn disable_rf_switch(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchRx)?,
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None => (),
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};
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchTx),
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None => Ok(()),
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}
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}
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}
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/// Base for the InterfaceVariant implementation for a generic Sx126x LoRa board
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pub struct GenericSx126xInterfaceVariant<CTRL, WAIT> {
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board_type: BoardType,
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nss: CTRL,
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reset: CTRL,
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dio1: WAIT,
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busy: WAIT,
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rf_switch_rx: Option<CTRL>,
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rf_switch_tx: Option<CTRL>,
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}
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impl<CTRL, WAIT> GenericSx126xInterfaceVariant<CTRL, WAIT>
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where
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CTRL: OutputPin,
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WAIT: Wait,
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{
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/// Create an InterfaceVariant instance for an nrf52840/sx1262 combination
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pub fn new(
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nss: CTRL,
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reset: CTRL,
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dio1: WAIT,
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busy: WAIT,
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rf_switch_rx: Option<CTRL>,
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rf_switch_tx: Option<CTRL>,
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) -> Result<Self, RadioError> {
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Ok(Self {
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board_type: BoardType::Rak4631Sx1262, // updated when associated with a specific LoRa board
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nss,
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reset,
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dio1,
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busy,
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rf_switch_rx,
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rf_switch_tx,
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})
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}
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}
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impl<CTRL, WAIT> InterfaceVariant for GenericSx126xInterfaceVariant<CTRL, WAIT>
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where
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CTRL: OutputPin,
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WAIT: Wait,
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{
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fn set_board_type(&mut self, board_type: BoardType) {
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self.board_type = board_type;
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}
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async fn set_nss_low(&mut self) -> Result<(), RadioError> {
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self.nss.set_low().map_err(|_| NSS)
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}
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async fn set_nss_high(&mut self) -> Result<(), RadioError> {
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self.nss.set_high().map_err(|_| NSS)
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}
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async fn reset(&mut self, delay: &mut impl DelayUs) -> Result<(), RadioError> {
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delay.delay_ms(10).await;
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self.reset.set_low().map_err(|_| Reset)?;
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delay.delay_ms(20).await;
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self.reset.set_high().map_err(|_| Reset)?;
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delay.delay_ms(10).await;
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Ok(())
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}
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async fn wait_on_busy(&mut self) -> Result<(), RadioError> {
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self.busy.wait_for_low().await.map_err(|_| Busy)
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}
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async fn await_irq(&mut self) -> Result<(), RadioError> {
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if self.board_type != BoardType::RpPicoWaveshareSx1262 {
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self.dio1.wait_for_high().await.map_err(|_| DIO1)?;
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} else {
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self.dio1.wait_for_rising_edge().await.map_err(|_| DIO1)?;
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}
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Ok(())
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}
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async fn enable_rf_switch_rx(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchTx)?,
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None => (),
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};
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_high().map_err(|_| RfSwitchRx),
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None => Ok(()),
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}
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}
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async fn enable_rf_switch_tx(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchRx)?,
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None => (),
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};
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_high().map_err(|_| RfSwitchTx),
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None => Ok(()),
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}
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}
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async fn disable_rf_switch(&mut self) -> Result<(), RadioError> {
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match &mut self.rf_switch_rx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchRx)?,
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None => (),
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};
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match &mut self.rf_switch_tx {
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Some(pin) => pin.set_low().map_err(|_| RfSwitchTx),
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None => Ok(()),
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}
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}
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}
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@ -5,6 +5,9 @@
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//! crate's async LoRaWAN MAC implementation.
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pub(crate) mod fmt;
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#[cfg(feature = "external-lora-phy")]
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/// interface variants required by the external lora crate
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pub mod iv;
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#[cfg(feature = "stm32wl")]
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pub mod stm32wl;
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@ -197,7 +197,7 @@ impl<'d, T: Instance, Tx, Rx> Spi<'d, T, Tx, Rx> {
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/// Useful for on chip peripherals like SUBGHZ which are hardwired.
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/// The bus can optionally be exposed externally with `Spi::new()` still.
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#[allow(dead_code)]
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pub(crate) fn new_internal(
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pub fn new_subghz(
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peri: impl Peripheral<P = T> + 'd,
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txdma: impl Peripheral<P = Tx> + 'd,
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rxdma: impl Peripheral<P = Rx> + 'd,
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@ -224,7 +224,7 @@ impl<'d, Tx, Rx> SubGhz<'d, Tx, Rx> {
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let mut config = SpiConfig::default();
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config.mode = MODE_0;
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config.bit_order = BitOrder::MsbFirst;
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let spi = Spi::new_internal(peri, txdma, rxdma, clk, config);
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let spi = Spi::new_subghz(peri, txdma, rxdma, clk, config);
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unsafe { wakeup() };
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@ -13,15 +13,15 @@ nightly = ["embassy-executor/nightly", "embassy-nrf/nightly", "embassy-net/night
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embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
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embassy-sync = { version = "0.2.0", path = "../../embassy-sync", features = ["defmt"] }
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embassy-executor = { version = "0.1.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
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embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime"] }
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embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime"] }
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embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["defmt", "nrf52840", "time-driver-rtc1", "gpiote", "unstable-pac", "time"] }
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embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet"], optional = true }
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embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt", "msos-descriptor",], optional = true }
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embedded-io = "0.4.0"
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embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx126x", "time", "defmt"], optional = true }
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lorawan-device = { version = "0.9.0", default-features = false, features = ["async"], optional = true }
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lorawan = { version = "0.7.2", default-features = false, features = ["default-crypto"], optional = true }
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embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx126x", "time", "defmt", "external-lora-phy"], optional = true }
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lora-phy = { version = "1", path = "../../../lora-phy" }
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lorawan-device = { version = "0.9.0", path = "../../../rust-lorawan/device", default-features = false, features = ["async", "external-lora-phy"], optional = true }
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lorawan = { version = "0.7.2", path = "../../../rust-lorawan/encoding", default-features = false, features = ["default-crypto"], optional = true }
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defmt = "0.3"
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defmt-rtt = "0.4"
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92
examples/nrf52840/src/bin/lora_cad.rs
Normal file
92
examples/nrf52840/src/bin/lora_cad.rs
Normal file
@ -0,0 +1,92 @@
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//! This example runs on the RAK4631 WisBlock, which has an nRF52840 MCU and Semtech Sx126x radio.
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//! Other nrf/sx126x combinations may work with appropriate pin modifications.
|
||||
//! It demonstates LORA CAD functionality.
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![macro_use]
|
||||
#![feature(type_alias_impl_trait)]
|
||||
|
||||
use defmt::*;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_lora::iv::GenericSx126xInterfaceVariant;
|
||||
use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
|
||||
use embassy_nrf::{bind_interrupts, peripherals, spim};
|
||||
use embassy_time::{Delay, Duration, Timer};
|
||||
use lora_phy::mod_params::*;
|
||||
use lora_phy::sx1261_2::SX1261_2;
|
||||
use lora_phy::LoRa;
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
bind_interrupts!(struct Irqs {
|
||||
SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1 => spim::InterruptHandler<peripherals::TWISPI1>;
|
||||
});
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let p = embassy_nrf::init(Default::default());
|
||||
let mut spi_config = spim::Config::default();
|
||||
spi_config.frequency = spim::Frequency::M16;
|
||||
|
||||
let spim = spim::Spim::new(p.TWISPI1, Irqs, p.P1_11, p.P1_13, p.P1_12, spi_config);
|
||||
|
||||
let nss = Output::new(p.P1_10.degrade(), Level::High, OutputDrive::Standard);
|
||||
let reset = Output::new(p.P1_06.degrade(), Level::High, OutputDrive::Standard);
|
||||
let dio1 = Input::new(p.P1_15.degrade(), Pull::Down);
|
||||
let busy = Input::new(p.P1_14.degrade(), Pull::Down);
|
||||
let rf_switch_rx = Output::new(p.P1_05.degrade(), Level::Low, OutputDrive::Standard);
|
||||
let rf_switch_tx = Output::new(p.P1_07.degrade(), Level::Low, OutputDrive::Standard);
|
||||
|
||||
let iv =
|
||||
GenericSx126xInterfaceVariant::new(nss, reset, dio1, busy, Some(rf_switch_rx), Some(rf_switch_tx)).unwrap();
|
||||
|
||||
let mut delay = Delay;
|
||||
|
||||
let mut lora = {
|
||||
match LoRa::new(SX1261_2::new(BoardType::Rak4631Sx1262, spim, iv), false, &mut delay).await {
|
||||
Ok(l) => l,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let mut debug_indicator = Output::new(p.P1_03, Level::Low, OutputDrive::Standard);
|
||||
let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
|
||||
|
||||
start_indicator.set_high();
|
||||
Timer::after(Duration::from_secs(5)).await;
|
||||
start_indicator.set_low();
|
||||
|
||||
let mdltn_params = {
|
||||
match lora.create_modulation_params(SpreadingFactor::_10, Bandwidth::_250KHz, CodingRate::_4_8, 903900000) {
|
||||
Ok(mp) => mp,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
match lora.prepare_for_cad(&mdltn_params, true).await {
|
||||
Ok(()) => {}
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
};
|
||||
|
||||
match lora.cad().await {
|
||||
Ok(cad_activity_detected) => {
|
||||
if cad_activity_detected {
|
||||
info!("cad successful with activity detected")
|
||||
} else {
|
||||
info!("cad successful without activity detected")
|
||||
}
|
||||
debug_indicator.set_high();
|
||||
Timer::after(Duration::from_secs(15)).await;
|
||||
debug_indicator.set_low();
|
||||
}
|
||||
Err(err) => info!("cad unsuccessful = {}", err),
|
||||
}
|
||||
}
|
||||
124
examples/nrf52840/src/bin/lora_p2p_receive_duty_cycle.rs
Normal file
124
examples/nrf52840/src/bin/lora_p2p_receive_duty_cycle.rs
Normal file
@ -0,0 +1,124 @@
|
||||
//! This example runs on the RAK4631 WisBlock, which has an nRF52840 MCU and Semtech Sx126x radio.
|
||||
//! Other nrf/sx126x combinations may work with appropriate pin modifications.
|
||||
//! It demonstates LoRa Rx duty cycle functionality.
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![macro_use]
|
||||
#![feature(type_alias_impl_trait)]
|
||||
|
||||
use defmt::*;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_lora::iv::GenericSx126xInterfaceVariant;
|
||||
use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
|
||||
use embassy_nrf::{bind_interrupts, peripherals, spim};
|
||||
use embassy_time::{Delay, Duration, Timer};
|
||||
use lora_phy::mod_params::*;
|
||||
use lora_phy::sx1261_2::SX1261_2;
|
||||
use lora_phy::LoRa;
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
bind_interrupts!(struct Irqs {
|
||||
SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1 => spim::InterruptHandler<peripherals::TWISPI1>;
|
||||
});
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let p = embassy_nrf::init(Default::default());
|
||||
let mut spi_config = spim::Config::default();
|
||||
spi_config.frequency = spim::Frequency::M16;
|
||||
|
||||
let spim = spim::Spim::new(p.TWISPI1, Irqs, p.P1_11, p.P1_13, p.P1_12, spi_config);
|
||||
|
||||
let nss = Output::new(p.P1_10.degrade(), Level::High, OutputDrive::Standard);
|
||||
let reset = Output::new(p.P1_06.degrade(), Level::High, OutputDrive::Standard);
|
||||
let dio1 = Input::new(p.P1_15.degrade(), Pull::Down);
|
||||
let busy = Input::new(p.P1_14.degrade(), Pull::Down);
|
||||
let rf_switch_rx = Output::new(p.P1_05.degrade(), Level::Low, OutputDrive::Standard);
|
||||
let rf_switch_tx = Output::new(p.P1_07.degrade(), Level::Low, OutputDrive::Standard);
|
||||
|
||||
let iv =
|
||||
GenericSx126xInterfaceVariant::new(nss, reset, dio1, busy, Some(rf_switch_rx), Some(rf_switch_tx)).unwrap();
|
||||
|
||||
let mut delay = Delay;
|
||||
|
||||
let mut lora = {
|
||||
match LoRa::new(SX1261_2::new(BoardType::Rak4631Sx1262, spim, iv), false, &mut delay).await {
|
||||
Ok(l) => l,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let mut debug_indicator = Output::new(p.P1_03, Level::Low, OutputDrive::Standard);
|
||||
let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
|
||||
|
||||
start_indicator.set_high();
|
||||
Timer::after(Duration::from_secs(5)).await;
|
||||
start_indicator.set_low();
|
||||
|
||||
let mut receiving_buffer = [00u8; 100];
|
||||
|
||||
let mdltn_params = {
|
||||
match lora.create_modulation_params(SpreadingFactor::_10, Bandwidth::_250KHz, CodingRate::_4_8, 903900000) {
|
||||
Ok(mp) => mp,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let rx_pkt_params = {
|
||||
match lora.create_rx_packet_params(4, false, receiving_buffer.len() as u8, true, false, &mdltn_params) {
|
||||
Ok(pp) => pp,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// See "RM0453 Reference manual STM32WL5x advanced Arm®-based 32-bit MCUs with sub-GHz radio solution" for the best explanation of Rx duty cycle processing.
|
||||
match lora
|
||||
.prepare_for_rx(
|
||||
&mdltn_params,
|
||||
&rx_pkt_params,
|
||||
Some(&DutyCycleParams {
|
||||
rx_time: 300_000, // 300_000 units * 15.625 us/unit = 4.69 s
|
||||
sleep_time: 200_000, // 200_000 units * 15.625 us/unit = 3.13 s
|
||||
}),
|
||||
false,
|
||||
false,
|
||||
0,
|
||||
0,
|
||||
)
|
||||
.await
|
||||
{
|
||||
Ok(()) => {}
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
};
|
||||
|
||||
receiving_buffer = [00u8; 100];
|
||||
match lora.rx(&rx_pkt_params, &mut receiving_buffer).await {
|
||||
Ok((received_len, _rx_pkt_status)) => {
|
||||
if (received_len == 3)
|
||||
&& (receiving_buffer[0] == 0x01u8)
|
||||
&& (receiving_buffer[1] == 0x02u8)
|
||||
&& (receiving_buffer[2] == 0x03u8)
|
||||
{
|
||||
info!("rx successful");
|
||||
debug_indicator.set_high();
|
||||
Timer::after(Duration::from_secs(5)).await;
|
||||
debug_indicator.set_low();
|
||||
} else {
|
||||
info!("rx unknown packet")
|
||||
}
|
||||
}
|
||||
Err(err) => info!("rx unsuccessful = {}", err),
|
||||
}
|
||||
}
|
||||
@ -1,81 +0,0 @@
|
||||
//! This example runs on the RAK4631 WisBlock, which has an nRF52840 MCU and Semtech Sx126x radio.
|
||||
//! Other nrf/sx126x combinations may work with appropriate pin modifications.
|
||||
//! It demonstates LORA P2P functionality in conjunction with example lora_p2p_sense.rs.
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![macro_use]
|
||||
#![allow(dead_code)]
|
||||
#![feature(type_alias_impl_trait)]
|
||||
|
||||
use defmt::*;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_lora::sx126x::*;
|
||||
use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
|
||||
use embassy_nrf::{bind_interrupts, peripherals, spim};
|
||||
use embassy_time::{Duration, Timer};
|
||||
use lorawan_device::async_device::radio::{Bandwidth, CodingRate, PhyRxTx, RfConfig, SpreadingFactor};
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
bind_interrupts!(struct Irqs {
|
||||
SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1 => spim::InterruptHandler<peripherals::TWISPI1>;
|
||||
});
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let p = embassy_nrf::init(Default::default());
|
||||
let mut spi_config = spim::Config::default();
|
||||
spi_config.frequency = spim::Frequency::M16;
|
||||
|
||||
let mut radio = {
|
||||
let spim = spim::Spim::new(p.TWISPI1, Irqs, p.P1_11, p.P1_13, p.P1_12, spi_config);
|
||||
|
||||
let cs = Output::new(p.P1_10.degrade(), Level::High, OutputDrive::Standard);
|
||||
let reset = Output::new(p.P1_06.degrade(), Level::High, OutputDrive::Standard);
|
||||
let dio1 = Input::new(p.P1_15.degrade(), Pull::Down);
|
||||
let busy = Input::new(p.P1_14.degrade(), Pull::Down);
|
||||
let antenna_rx = Output::new(p.P1_05.degrade(), Level::Low, OutputDrive::Standard);
|
||||
let antenna_tx = Output::new(p.P1_07.degrade(), Level::Low, OutputDrive::Standard);
|
||||
|
||||
match Sx126xRadio::new(spim, cs, reset, antenna_rx, antenna_tx, dio1, busy, false).await {
|
||||
Ok(r) => r,
|
||||
Err(err) => {
|
||||
info!("Sx126xRadio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let mut debug_indicator = Output::new(p.P1_03, Level::Low, OutputDrive::Standard);
|
||||
let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
|
||||
|
||||
start_indicator.set_high();
|
||||
Timer::after(Duration::from_secs(5)).await;
|
||||
start_indicator.set_low();
|
||||
|
||||
loop {
|
||||
let rf_config = RfConfig {
|
||||
frequency: 903900000, // channel in Hz
|
||||
bandwidth: Bandwidth::_250KHz,
|
||||
spreading_factor: SpreadingFactor::_10,
|
||||
coding_rate: CodingRate::_4_8,
|
||||
};
|
||||
|
||||
let mut buffer = [00u8; 100];
|
||||
|
||||
// P2P receive
|
||||
match radio.rx(rf_config, &mut buffer).await {
|
||||
Ok((buffer_len, rx_quality)) => info!(
|
||||
"RX received = {:?} with length = {} rssi = {} snr = {}",
|
||||
&buffer[0..buffer_len],
|
||||
buffer_len,
|
||||
rx_quality.rssi(),
|
||||
rx_quality.snr()
|
||||
),
|
||||
Err(err) => info!("RX error = {}", err),
|
||||
}
|
||||
|
||||
debug_indicator.set_high();
|
||||
Timer::after(Duration::from_secs(2)).await;
|
||||
debug_indicator.set_low();
|
||||
}
|
||||
}
|
||||
@ -9,12 +9,16 @@ license = "MIT OR Apache-2.0"
|
||||
embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal", features = ["defmt"] }
|
||||
embassy-sync = { version = "0.2.0", 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"] }
|
||||
embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime"] }
|
||||
embassy-rp = { version = "0.1.0", path = "../../embassy-rp", features = ["defmt", "unstable-traits", "nightly", "unstable-pac", "time-driver", "pio", "critical-section-impl"] }
|
||||
embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
|
||||
embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet"] }
|
||||
embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
|
||||
embassy-usb-logger = { version = "0.1.0", path = "../../embassy-usb-logger" }
|
||||
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["time", "defmt", "external-lora-phy"] }
|
||||
lora-phy = { version = "1", path = "../../../lora-phy" }
|
||||
lorawan-device = { version = "0.9.0", path = "../../../rust-lorawan/device", default-features = false, features = ["async", "external-lora-phy"] }
|
||||
lorawan = { version = "0.7.2", path = "../../../rust-lorawan/encoding", default-features = false, features = ["default-crypto"] }
|
||||
|
||||
defmt = "0.3"
|
||||
defmt-rtt = "0.4"
|
||||
|
||||
@ -11,12 +11,12 @@ nightly = ["embassy-stm32/nightly", "embassy-lora", "lorawan-device", "lorawan",
|
||||
[dependencies]
|
||||
embassy-sync = { version = "0.2.0", 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-time = { version = "0.1.0", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
|
||||
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-any", "exti", "unstable-traits", "memory-x"] }
|
||||
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx127x", "time", "defmt"], optional = true}
|
||||
|
||||
lorawan-device = { version = "0.9.0", default-features = false, features = ["async"], optional = true }
|
||||
lorawan = { version = "0.7.2", default-features = false, features = ["default-crypto"], optional = true }
|
||||
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx127x", "time", "defmt", "external-lora-phy"], optional = true }
|
||||
lora-phy = { version = "1", path = "../../../lora-phy" }
|
||||
lorawan-device = { version = "0.9.0", path = "../../../rust-lorawan/device", default-features = false, features = ["async", "external-lora-phy"], optional = true }
|
||||
lorawan = { version = "0.7.2", path = "../../../rust-lorawan/encoding", default-features = false, features = ["default-crypto"], optional = true }
|
||||
|
||||
defmt = "0.3"
|
||||
defmt-rtt = "0.4"
|
||||
|
||||
120
examples/stm32l0/src/bin/lora_p2p_receive.rs
Normal file
120
examples/stm32l0/src/bin/lora_p2p_receive.rs
Normal file
@ -0,0 +1,120 @@
|
||||
//! This example runs on the STM32 LoRa Discovery board, which has a builtin Semtech Sx1276 radio.
|
||||
//! It demonstrates LORA P2P receive functionality.
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![macro_use]
|
||||
#![feature(type_alias_impl_trait)]
|
||||
|
||||
use defmt::*;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_lora::iv::Stm32l0InterfaceVariant;
|
||||
use embassy_stm32::exti::{Channel, ExtiInput};
|
||||
use embassy_stm32::gpio::{Input, Level, Output, Pin, Pull, Speed};
|
||||
use embassy_stm32::spi;
|
||||
use embassy_stm32::time::khz;
|
||||
use embassy_time::{Delay, Duration, Timer};
|
||||
use lora_phy::mod_params::*;
|
||||
use lora_phy::sx1276_7_8_9::SX1276_7_8_9;
|
||||
use lora_phy::LoRa;
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let mut config = embassy_stm32::Config::default();
|
||||
config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSI16;
|
||||
config.rcc.enable_hsi48 = true;
|
||||
let p = embassy_stm32::init(config);
|
||||
|
||||
// SPI for sx1276
|
||||
let spi = spi::Spi::new(
|
||||
p.SPI1,
|
||||
p.PB3,
|
||||
p.PA7,
|
||||
p.PA6,
|
||||
p.DMA1_CH3,
|
||||
p.DMA1_CH2,
|
||||
khz(200),
|
||||
spi::Config::default(),
|
||||
);
|
||||
|
||||
let nss = Output::new(p.PA15.degrade(), Level::High, Speed::Low);
|
||||
let reset = Output::new(p.PC0.degrade(), Level::High, Speed::Low);
|
||||
|
||||
let irq_pin = Input::new(p.PB4.degrade(), Pull::Up);
|
||||
let irq = ExtiInput::new(irq_pin, p.EXTI4.degrade());
|
||||
|
||||
let iv = Stm32l0InterfaceVariant::new(nss, reset, irq, None, None).unwrap();
|
||||
|
||||
let mut delay = Delay;
|
||||
|
||||
let mut lora = {
|
||||
match LoRa::new(SX1276_7_8_9::new(BoardType::Stm32l0Sx1276, spi, iv), false, &mut delay).await {
|
||||
Ok(l) => l,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let mut debug_indicator = Output::new(p.PB5, Level::Low, Speed::Low);
|
||||
let mut start_indicator = Output::new(p.PB6, Level::Low, Speed::Low);
|
||||
|
||||
start_indicator.set_high();
|
||||
Timer::after(Duration::from_secs(5)).await;
|
||||
start_indicator.set_low();
|
||||
|
||||
let mut receiving_buffer = [00u8; 100];
|
||||
|
||||
let mdltn_params = {
|
||||
match lora.create_modulation_params(SpreadingFactor::_10, Bandwidth::_250KHz, CodingRate::_4_8, 903900000) {
|
||||
Ok(mp) => mp,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let rx_pkt_params = {
|
||||
match lora.create_rx_packet_params(4, false, receiving_buffer.len() as u8, true, false, &mdltn_params) {
|
||||
Ok(pp) => pp,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
match lora
|
||||
.prepare_for_rx(&mdltn_params, &rx_pkt_params, None, true, false, 0, 0x00ffffffu32)
|
||||
.await
|
||||
{
|
||||
Ok(()) => {}
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
};
|
||||
|
||||
loop {
|
||||
receiving_buffer = [00u8; 100];
|
||||
match lora.rx(&rx_pkt_params, &mut receiving_buffer).await {
|
||||
Ok((received_len, _rx_pkt_status)) => {
|
||||
if (received_len == 3)
|
||||
&& (receiving_buffer[0] == 0x01u8)
|
||||
&& (receiving_buffer[1] == 0x02u8)
|
||||
&& (receiving_buffer[2] == 0x03u8)
|
||||
{
|
||||
info!("rx successful");
|
||||
debug_indicator.set_high();
|
||||
Timer::after(Duration::from_secs(5)).await;
|
||||
debug_indicator.set_low();
|
||||
} else {
|
||||
info!("rx unknown packet");
|
||||
}
|
||||
}
|
||||
Err(err) => info!("rx unsuccessful = {}", err),
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -7,12 +7,13 @@ license = "MIT OR Apache-2.0"
|
||||
[dependencies]
|
||||
embassy-sync = { version = "0.2.0", 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", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "unstable-pac", "exti"] }
|
||||
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time", "defmt"] }
|
||||
|
||||
lorawan-device = { version = "0.9.0", default-features = false, features = ["async"] }
|
||||
lorawan = { version = "0.7.2", default-features = false, features = ["default-crypto"] }
|
||||
embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
|
||||
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "unstable-traits", "defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "unstable-pac", "exti"] }
|
||||
embassy-embedded-hal = {version = "0.1.0", path = "../../embassy-embedded-hal" }
|
||||
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time", "defmt", "external-lora-phy"] }
|
||||
lora-phy = { version = "1", path = "../../../lora-phy" }
|
||||
lorawan-device = { version = "0.9.0", path = "../../../rust-lorawan/device", default-features = false, features = ["async", "external-lora-phy"] }
|
||||
lorawan = { version = "0.7.2", path = "../../../rust-lorawan/encoding", default-features = false, features = ["default-crypto"] }
|
||||
|
||||
defmt = "0.3"
|
||||
defmt-rtt = "0.4"
|
||||
|
||||
88
examples/stm32wl/src/bin/lora_lorawan.rs
Normal file
88
examples/stm32wl/src/bin/lora_lorawan.rs
Normal file
@ -0,0 +1,88 @@
|
||||
//! This example runs on a STM32WL board, which has a builtin Semtech Sx1262 radio.
|
||||
//! It demonstrates LoRaWAN functionality.
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![macro_use]
|
||||
#![feature(type_alias_impl_trait, async_fn_in_trait)]
|
||||
#![allow(incomplete_features)]
|
||||
|
||||
use defmt::info;
|
||||
use embassy_embedded_hal::adapter::BlockingAsync;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_lora::iv::Stm32wlInterfaceVariant;
|
||||
use embassy_lora::LoraTimer;
|
||||
use embassy_stm32::dma::NoDma;
|
||||
use embassy_stm32::gpio::{Level, Output, Pin, Speed};
|
||||
use embassy_stm32::peripherals::SUBGHZSPI;
|
||||
use embassy_stm32::rcc::low_level::RccPeripheral;
|
||||
use embassy_stm32::rng::Rng;
|
||||
use embassy_stm32::spi::{BitOrder, Config as SpiConfig, Spi, MODE_0};
|
||||
use embassy_stm32::time::Hertz;
|
||||
use embassy_stm32::{interrupt, into_ref, pac, Peripheral};
|
||||
use embassy_time::Delay;
|
||||
use lora_phy::mod_params::*;
|
||||
use lora_phy::sx1261_2::SX1261_2;
|
||||
use lora_phy::LoRa;
|
||||
use lorawan::default_crypto::DefaultFactory as Crypto;
|
||||
use lorawan_device::async_device::lora_radio::LoRaRadio;
|
||||
use lorawan_device::async_device::{region, Device, JoinMode};
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let mut config = embassy_stm32::Config::default();
|
||||
config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSI16;
|
||||
config.rcc.enable_lsi = true;
|
||||
let p = embassy_stm32::init(config);
|
||||
|
||||
unsafe { pac::RCC.ccipr().modify(|w| w.set_rngsel(0b01)) }
|
||||
|
||||
let clk = Hertz(core::cmp::min(SUBGHZSPI::frequency().0 / 2, 16_000_000));
|
||||
let mut spi_config = SpiConfig::default();
|
||||
spi_config.mode = MODE_0;
|
||||
spi_config.bit_order = BitOrder::MsbFirst;
|
||||
let spi = Spi::new_subghz(p.SUBGHZSPI, NoDma, NoDma, clk, spi_config);
|
||||
|
||||
let spi = BlockingAsync::new(spi);
|
||||
|
||||
let irq = interrupt::take!(SUBGHZ_RADIO);
|
||||
into_ref!(irq);
|
||||
// Set CTRL1 and CTRL3 for high-power transmission, while CTRL2 acts as an RF switch between tx and rx
|
||||
let _ctrl1 = Output::new(p.PC4.degrade(), Level::Low, Speed::High);
|
||||
let ctrl2 = Output::new(p.PC5.degrade(), Level::High, Speed::High);
|
||||
let _ctrl3 = Output::new(p.PC3.degrade(), Level::High, Speed::High);
|
||||
let iv = Stm32wlInterfaceVariant::new(irq, None, Some(ctrl2)).unwrap();
|
||||
|
||||
let mut delay = Delay;
|
||||
|
||||
let lora = {
|
||||
match LoRa::new(SX1261_2::new(BoardType::Stm32wlSx1262, spi, iv), true, &mut delay).await {
|
||||
Ok(l) => l,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
let radio = LoRaRadio::new(lora);
|
||||
let region: region::Configuration = region::Configuration::new(region::Region::EU868);
|
||||
let mut device: Device<_, Crypto, _, _> = Device::new(region, radio, LoraTimer::new(), Rng::new(p.RNG));
|
||||
|
||||
defmt::info!("Joining LoRaWAN network");
|
||||
|
||||
// TODO: Adjust the EUI and Keys according to your network credentials
|
||||
match device
|
||||
.join(&JoinMode::OTAA {
|
||||
deveui: [0, 0, 0, 0, 0, 0, 0, 0],
|
||||
appeui: [0, 0, 0, 0, 0, 0, 0, 0],
|
||||
appkey: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
|
||||
})
|
||||
.await
|
||||
{
|
||||
Ok(()) => defmt::info!("LoRaWAN network joined"),
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
};
|
||||
}
|
||||
103
examples/stm32wl/src/bin/lora_p2p_send.rs
Normal file
103
examples/stm32wl/src/bin/lora_p2p_send.rs
Normal file
@ -0,0 +1,103 @@
|
||||
//! This example runs on a STM32WL board, which has a builtin Semtech Sx1262 radio.
|
||||
//! It demonstrates LORA P2P send functionality.
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![macro_use]
|
||||
#![feature(type_alias_impl_trait, async_fn_in_trait)]
|
||||
#![allow(incomplete_features)]
|
||||
|
||||
use defmt::info;
|
||||
use embassy_embedded_hal::adapter::BlockingAsync;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_lora::iv::Stm32wlInterfaceVariant;
|
||||
use embassy_stm32::dma::NoDma;
|
||||
use embassy_stm32::gpio::{Level, Output, Pin, Speed};
|
||||
use embassy_stm32::peripherals::SUBGHZSPI;
|
||||
use embassy_stm32::rcc::low_level::RccPeripheral;
|
||||
use embassy_stm32::spi::{BitOrder, Config as SpiConfig, Spi, MODE_0};
|
||||
use embassy_stm32::time::Hertz;
|
||||
use embassy_stm32::{interrupt, into_ref, Peripheral};
|
||||
use embassy_time::Delay;
|
||||
use lora_phy::mod_params::*;
|
||||
use lora_phy::sx1261_2::SX1261_2;
|
||||
use lora_phy::LoRa;
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let mut config = embassy_stm32::Config::default();
|
||||
config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE32;
|
||||
let p = embassy_stm32::init(config);
|
||||
|
||||
let clk = Hertz(core::cmp::min(SUBGHZSPI::frequency().0 / 2, 16_000_000));
|
||||
let mut spi_config = SpiConfig::default();
|
||||
spi_config.mode = MODE_0;
|
||||
spi_config.bit_order = BitOrder::MsbFirst;
|
||||
let spi = Spi::new_subghz(p.SUBGHZSPI, NoDma, NoDma, clk, spi_config);
|
||||
|
||||
let spi = BlockingAsync::new(spi);
|
||||
|
||||
let irq = interrupt::take!(SUBGHZ_RADIO);
|
||||
into_ref!(irq);
|
||||
// Set CTRL1 and CTRL3 for high-power transmission, while CTRL2 acts as an RF switch between tx and rx
|
||||
let _ctrl1 = Output::new(p.PC4.degrade(), Level::Low, Speed::High);
|
||||
let ctrl2 = Output::new(p.PC5.degrade(), Level::High, Speed::High);
|
||||
let _ctrl3 = Output::new(p.PC3.degrade(), Level::High, Speed::High);
|
||||
let iv = Stm32wlInterfaceVariant::new(irq, None, Some(ctrl2)).unwrap();
|
||||
|
||||
let mut delay = Delay;
|
||||
|
||||
let mut lora = {
|
||||
match LoRa::new(SX1261_2::new(BoardType::Stm32wlSx1262, spi, iv), false, &mut delay).await {
|
||||
Ok(l) => l,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let mdltn_params = {
|
||||
match lora.create_modulation_params(SpreadingFactor::_10, Bandwidth::_250KHz, CodingRate::_4_8, 903900000) {
|
||||
Ok(mp) => mp,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let mut tx_pkt_params = {
|
||||
match lora.create_tx_packet_params(4, false, true, false, &mdltn_params) {
|
||||
Ok(pp) => pp,
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
match lora.prepare_for_tx(&mdltn_params, 20, false).await {
|
||||
Ok(()) => {}
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
};
|
||||
|
||||
let buffer = [0x01u8, 0x02u8, 0x03u8];
|
||||
match lora.tx(&mdltn_params, &mut tx_pkt_params, &buffer, 0xffffff).await {
|
||||
Ok(()) => {
|
||||
info!("TX DONE");
|
||||
}
|
||||
Err(err) => {
|
||||
info!("Radio error = {}", err);
|
||||
return;
|
||||
}
|
||||
};
|
||||
|
||||
match lora.sleep(&mut delay).await {
|
||||
Ok(()) => info!("Sleep successful"),
|
||||
Err(err) => info!("Sleep unsuccessful = {}", err),
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user