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#![no_std]
#![no_main]
#![macro_use]
#![allow(dead_code)]
#![feature(generic_associated_types)]
#![feature(type_alias_impl_trait)]
use embassy_executor::executor::Spawner;
use embassy_lora::stm32wl::*;
use embassy_lora::LoraTimer;
use embassy_stm32::dma::NoDma;
use embassy_stm32::gpio::{Level, Output, Pin, Speed};
use embassy_stm32::rng::Rng;
use embassy_stm32::subghz::*;
use embassy_stm32::{interrupt, pac};
use lorawan::default_crypto::DefaultFactory as Crypto;
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 ctrl1 = Output::new(p.PC3.degrade(), Level::High, Speed::High);
let ctrl2 = Output::new(p.PC4.degrade(), Level::High, Speed::High);
let ctrl3 = Output::new(p.PC5.degrade(), Level::High, Speed::High);
let rfs = RadioSwitch::new(ctrl1, ctrl2, ctrl3);
let radio = SubGhz::new(p.SUBGHZSPI, p.PA5, p.PA7, p.PA6, NoDma, NoDma);
let irq = interrupt::take!(SUBGHZ_RADIO);
static mut RADIO_STATE: SubGhzState<'static> = SubGhzState::new();
let radio = unsafe { SubGhzRadio::new(&mut RADIO_STATE, radio, rfs, irq) };
let mut region: region::Configuration = region::EU868::default().into();
// NOTE: This is specific for TTN, as they have a special RX1 delay
region.set_receive_delay1(5000);
let mut device: Device<_, Crypto, _, _> = Device::new(region, radio, LoraTimer, Rng::new(p.RNG));
// Depending on network, this might be part of JOIN
device.set_datarate(region::DR::_0); // SF12
// device.set_datarate(region::DR::_1); // SF11
// device.set_datarate(region::DR::_2); // SF10
// device.set_datarate(region::DR::_3); // SF9
// device.set_datarate(region::DR::_4); // SF8
// device.set_datarate(region::DR::_5); // SF7
defmt::info!("Joining LoRaWAN network");
// TODO: Adjust the EUI and Keys according to your network credentials
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()
.unwrap();
defmt::info!("LoRaWAN network joined");
let mut rx: [u8; 255] = [0; 255];
defmt::info!("Sending 'PING'");
let len = device.send_recv(b"PING", &mut rx[..], 1, true).await.ok().unwrap();
if len > 0 {
defmt::info!("Message sent, received downlink: {:?}", &rx[..len]);
} else {
defmt::info!("Message sent!");
}
}
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