75 lines
2.2 KiB
Rust
75 lines
2.2 KiB
Rust
//! 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(type_alias_impl_trait)]
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use embassy_executor::Spawner;
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use embassy_lora::sx127x::*;
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use embassy_lora::LoraTimer;
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use embassy_stm32::exti::ExtiInput;
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use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
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use embassy_stm32::rng::Rng;
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use embassy_stm32::spi;
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use embassy_stm32::time::khz;
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use lorawan::default_crypto::DefaultFactory as Crypto;
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use lorawan_device::async_device::{region, Device, JoinMode};
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use {defmt_rtt as _, panic_probe as _};
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let mut config = embassy_stm32::Config::default();
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config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSI16;
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config.rcc.enable_hsi48 = true;
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let p = embassy_stm32::init(config);
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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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p.DMA1_CH3,
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p.DMA1_CH2,
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khz(200),
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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(spi, cs, reset, ready_pin, DummySwitch).await.unwrap();
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let region = region::EU868::default().into();
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let mut device: Device<_, Crypto, _, _> = Device::new(region, radio, LoraTimer::new(), Rng::new(p.RNG));
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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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