Add lora-phy examples.

examples/rp/src/bin/lora_p2p_send.rs

@@ -0,0 +1,103 @@
+//! This example runs on the Raspberry Pi Pico with a Waveshare board containing a Semtech Sx1262 radio.
+//! It demonstrates LORA P2P send 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_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 {defmt_rtt as _, panic_probe as _};
+
+const LORA_FREQUENCY_IN_HZ: u32 = 903_900_000; // 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 mut lora = {
+        match LoRa::new(
+            SX1261_2::new(BoardType::RpPicoWaveshareSx1262, spi, iv),
+            false,
+            &mut delay,
+        )
+        .await
+        {
+            Ok(l) => l,
+            Err(err) => {
+                info!("Radio error = {}", err);
+                return;
+            }
+        }
+    };
+
+    let mdltn_params = {
+        match lora.create_modulation_params(
+            SpreadingFactor::_10,
+            Bandwidth::_250KHz,
+            CodingRate::_4_8,
+            LORA_FREQUENCY_IN_HZ,
+        ) {
+            Ok(mp) => mp,
+            Err(err) => {
+                info!("Radio error = {}", err);
+                return;
+            }
+        }
+    };
+
+    let mut tx_pkt_params = {
+        match lora.create_tx_packet_params(4, false, true, false, &mdltn_params) {
+            Ok(pp) => pp,
+            Err(err) => {
+                info!("Radio error = {}", err);
+                return;
+            }
+        }
+    };
+
+    match lora.prepare_for_tx(&mdltn_params, 20, false).await {
+        Ok(()) => {}
+        Err(err) => {
+            info!("Radio error = {}", err);
+            return;
+        }
+    };
+
+    let buffer = [0x01u8, 0x02u8, 0x03u8];
+    match lora.tx(&mdltn_params, &mut tx_pkt_params, &buffer, 0xffffff).await {
+        Ok(()) => {
+            info!("TX DONE");
+        }
+        Err(err) => {
+            info!("Radio error = {}", err);
+            return;
+        }
+    };
+
+    match lora.sleep(&mut delay).await {
+        Ok(()) => info!("Sleep successful"),
+        Err(err) => info!("Sleep unsuccessful = {}", err),
+    }
+}