105 lines
2.6 KiB
Rust
105 lines
2.6 KiB
Rust
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//! This example runs on the STM32 LoRa Discovery board which has a builtin Semtech Sx127x radio
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#![no_std]
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#![no_main]
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#![macro_use]
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#![allow(dead_code)]
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#![feature(generic_associated_types)]
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#![feature(type_alias_impl_trait)]
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#[path = "../example_common.rs"]
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mod example_common;
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use embassy_lora::{sx127x::*, LoraTimer};
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use embassy_stm32::{
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dbgmcu::Dbgmcu,
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dma::NoDma,
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exti::ExtiInput,
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gpio::{Input, Level, Output, Pull, Speed},
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rcc,
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rng::Rng,
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spi,
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time::U32Ext,
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Peripherals,
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};
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use lorawan_device::async_device::{region, Device, JoinMode};
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use lorawan_encoding::default_crypto::DefaultFactory as Crypto;
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fn config() -> embassy_stm32::Config {
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let mut config = embassy_stm32::Config::default();
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config.rcc = config.rcc.clock_src(embassy_stm32::rcc::ClockSrc::HSI16);
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config
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}
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#[embassy::main(config = "config()")]
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async fn main(_spawner: embassy::executor::Spawner, mut p: Peripherals) {
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unsafe {
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Dbgmcu::enable_all();
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}
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let mut rcc = rcc::Rcc::new(p.RCC);
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let _ = rcc.enable_hsi48(&mut p.SYSCFG, p.CRS);
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// SPI for sx127x
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let spi = spi::Spi::new(
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p.SPI1,
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p.PB3,
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p.PA7,
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p.PA6,
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NoDma,
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NoDma,
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200_000.hz(),
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spi::Config::default(),
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);
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let cs = Output::new(p.PA15, Level::High, Speed::Low);
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let reset = Output::new(p.PC0, Level::High, Speed::Low);
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let _ = Input::new(p.PB1, Pull::None);
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let ready = Input::new(p.PB4, Pull::Up);
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let ready_pin = ExtiInput::new(ready, p.EXTI4);
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let radio = Sx127xRadio::new(
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spi,
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cs,
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reset,
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ready_pin,
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DummySwitch,
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&mut embassy::time::Delay,
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)
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.unwrap();
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let region = region::EU868::default().into();
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let mut radio_buffer = [0; 256];
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let mut device: Device<'_, _, Crypto, _, _> = Device::new(
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region,
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radio,
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LoraTimer,
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Rng::new(p.RNG),
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&mut radio_buffer[..],
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);
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defmt::info!("Joining LoRaWAN network");
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// TODO: Adjust the EUI and Keys according to your network credentials
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device
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.join(&JoinMode::OTAA {
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deveui: [0, 0, 0, 0, 0, 0, 0, 0],
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appeui: [0, 0, 0, 0, 0, 0, 0, 0],
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appkey: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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})
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.await
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.ok()
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.unwrap();
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defmt::info!("LoRaWAN network joined");
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defmt::info!("Sending 'PING'");
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device.send(b"PING", 1, false).await.ok().unwrap();
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defmt::info!("Message sent!");
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}
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pub struct DummySwitch;
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impl RadioSwitch for DummySwitch {
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fn set_rx(&mut self) {}
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fn set_tx(&mut self) {}
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}
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