embassy/examples/rp/src/bin/lora_lorawan.rs

82 lines
2.6 KiB
Rust

//! This example runs on the Raspberry Pi Pico with a Waveshare board containing a Semtech Sx1262 radio.
//! It demonstrates LoRaWAN join 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_lora::LoraTimer;
use embassy_rp::gpio::{Input, Level, Output, Pin, Pull};
use embassy_rp::spi::{Config, Spi};
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 _};
const LORAWAN_REGION: region::Region = region::Region::EU868; // warning: set this appropriately for the region
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_rp::init(Default::default());
let miso = p.PIN_12;
let mosi = p.PIN_11;
let clk = p.PIN_10;
let spi = Spi::new(p.SPI1, clk, mosi, miso, p.DMA_CH0, p.DMA_CH1, Config::default());
let nss = Output::new(p.PIN_3.degrade(), Level::High);
let reset = Output::new(p.PIN_15.degrade(), Level::High);
let dio1 = Input::new(p.PIN_20.degrade(), Pull::None);
let busy = Input::new(p.PIN_2.degrade(), Pull::None);
let iv = GenericSx126xInterfaceVariant::new(nss, reset, dio1, busy, None, None).unwrap();
let mut delay = Delay;
let lora = {
match LoRa::new(
SX1261_2::new(BoardType::RpPicoWaveshareSx1262, 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(LORAWAN_REGION);
let mut device: Device<_, Crypto, _, _> = Device::new(region, radio, LoraTimer::new(), embassy_rp::clocks::RoscRng);
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;
}
};
}