85 lines
2.9 KiB
Rust
85 lines
2.9 KiB
Rust
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//! This example runs on the RAK4631 WisBlock, which has an nRF52840 MCU and Semtech Sx126x 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 defmt::*;
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use embassy_executor::Spawner;
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use embassy_lora::sx126x::*;
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use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
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use embassy_nrf::{interrupt, spim};
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use embassy_time::{Duration, Timer};
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use lorawan_device::async_device::radio::{Bandwidth, CodingRate, PhyRxTx, RfConfig, SpreadingFactor};
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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 p = embassy_nrf::init(Default::default());
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let mut spi_config = spim::Config::default();
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spi_config.frequency = spim::Frequency::M1; // M16 ???
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let mut radio = {
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let irq = interrupt::take!(SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1);
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let spim = spim::Spim::new(p.TWISPI1, irq, p.P1_11, p.P1_13, p.P1_12, spi_config);
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let cs = Output::new(p.P1_10, Level::High, OutputDrive::Standard);
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let reset = Output::new(p.P1_06, Level::High, OutputDrive::Standard);
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let dio1 = Input::new(p.P1_15.degrade(), Pull::Down);
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let busy = Input::new(p.P1_14.degrade(), Pull::Down);
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let antenna_rx = Output::new(p.P1_05, Level::Low, OutputDrive::Standard);
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let antenna_tx = Output::new(p.P1_07, Level::Low, OutputDrive::Standard);
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match Sx126xRadio::new(spim, cs, reset, antenna_rx, antenna_tx, dio1, busy, false).await {
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Ok(r) => r,
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Err(err) => {
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info!("Sx126xRadio 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 debug_indicator = Output::new(p.P1_03, Level::Low, OutputDrive::Standard);
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let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
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start_indicator.set_high();
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Timer::after(Duration::from_secs(5)).await;
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start_indicator.set_low();
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match radio.lora.sleep().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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let rf_config = RfConfig {
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frequency: 903900000, // channel in Hz
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bandwidth: Bandwidth::_250KHz,
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spreading_factor: SpreadingFactor::_10,
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coding_rate: CodingRate::_4_8,
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};
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let mut buffer = [00u8; 100];
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// P2P receive
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match radio.rx(rf_config, &mut buffer).await {
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Ok((buffer_len, rx_quality)) => info!(
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"RX received = {:?} with length = {} rssi = {} snr = {}",
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&buffer[0..buffer_len],
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buffer_len,
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rx_quality.rssi(),
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rx_quality.snr()
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),
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Err(err) => info!("RX error = {}", err),
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}
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match radio.lora.sleep().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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debug_indicator.set_high();
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Timer::after(Duration::from_secs(5)).await;
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debug_indicator.set_low();
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}
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