104 lines
2.8 KiB
Rust
104 lines
2.8 KiB
Rust
//! This example runs on the Raspberry Pi Pico with a Waveshare board containing a Semtech Sx1262 radio.
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//! It demonstrates LORA P2P send functionality.
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#![no_std]
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#![no_main]
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#![macro_use]
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#![feature(type_alias_impl_trait)]
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use defmt::*;
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use embassy_executor::Spawner;
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use embassy_lora::iv::GenericSx126xInterfaceVariant;
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use embassy_rp::gpio::{Input, Level, Output, Pin, Pull};
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use embassy_rp::spi::{Config, Spi};
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use embassy_time::Delay;
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use lora_phy::mod_params::*;
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use lora_phy::sx1261_2::SX1261_2;
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use lora_phy::LoRa;
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use {defmt_rtt as _, panic_probe as _};
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const LORA_FREQUENCY_IN_HZ: u32 = 903_900_000; // warning: set this appropriately for the region
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p = embassy_rp::init(Default::default());
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let miso = p.PIN_12;
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let mosi = p.PIN_11;
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let clk = p.PIN_10;
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let spi = Spi::new(p.SPI1, clk, mosi, miso, p.DMA_CH0, p.DMA_CH1, Config::default());
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let nss = Output::new(p.PIN_3.degrade(), Level::High);
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let reset = Output::new(p.PIN_15.degrade(), Level::High);
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let dio1 = Input::new(p.PIN_20.degrade(), Pull::None);
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let busy = Input::new(p.PIN_2.degrade(), Pull::None);
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let iv = GenericSx126xInterfaceVariant::new(nss, reset, dio1, busy, None, None).unwrap();
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let mut delay = Delay;
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let mut lora = {
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match LoRa::new(
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SX1261_2::new(BoardType::RpPicoWaveshareSx1262, spi, iv),
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false,
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&mut delay,
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)
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.await
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{
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Ok(l) => l,
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Err(err) => {
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info!("Radio error = {}", err);
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return;
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}
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}
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};
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let mdltn_params = {
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match lora.create_modulation_params(
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SpreadingFactor::_10,
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Bandwidth::_250KHz,
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CodingRate::_4_8,
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LORA_FREQUENCY_IN_HZ,
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) {
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Ok(mp) => mp,
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Err(err) => {
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info!("Radio error = {}", err);
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return;
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}
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}
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};
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let mut tx_pkt_params = {
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match lora.create_tx_packet_params(4, false, true, false, &mdltn_params) {
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Ok(pp) => pp,
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Err(err) => {
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info!("Radio error = {}", err);
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return;
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}
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}
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};
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match lora.prepare_for_tx(&mdltn_params, 20, false).await {
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Ok(()) => {}
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Err(err) => {
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info!("Radio error = {}", err);
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return;
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}
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};
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let buffer = [0x01u8, 0x02u8, 0x03u8];
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match lora.tx(&mdltn_params, &mut tx_pkt_params, &buffer, 0xffffff).await {
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Ok(()) => {
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info!("TX DONE");
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}
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Err(err) => {
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info!("Radio error = {}", err);
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return;
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}
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};
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match lora.sleep(&mut delay).await {
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Ok(()) => info!("Sleep successful"),
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Err(err) => info!("Sleep unsuccessful = {}", err),
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}
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}
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