refractor into library crate with examples

examples/stm32wle5jc/src/bin/bpsk_tx.rs

@@ -0,0 +1,57 @@
+#![no_std]
+#![no_main]
+
+use defmt::{error, info};
+use embassy_executor::Spawner;
+use embassy_stm32::{
+    Config,
+    gpio::{Level, Output, Speed},
+    rcc::{MSIRange, Sysclk, mux},
+    spi::Spi,
+};
+use embassy_time::{Duration, Timer};
+use stm32wl_subghz::{
+    Configure, PaSelection, Radio, SubGhzSpiDevice, Transmit,
+    modulations::bpsk::{Bitrate, BpskConfig, BpskRadio},
+};
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut config = Config::default();
+    {
+        config.rcc.msi = Some(MSIRange::RANGE48M);
+        config.rcc.sys = Sysclk::MSI;
+        config.rcc.mux.rngsel = mux::Rngsel::MSI;
+        config.enable_debug_during_sleep = true;
+    }
+    let p = embassy_stm32::init(config);
+
+    let spi = SubGhzSpiDevice(Spi::new_subghz(p.SUBGHZSPI, p.DMA1_CH1, p.DMA1_CH2));
+    let rf_tx = Output::new(p.PC4, Level::Low, Speed::High);
+    let rf_rx = Output::new(p.PC5, Level::Low, Speed::High);
+    let rf_en = Output::new(p.PC3, Level::Low, Speed::High);
+    let mut radio = Radio::new(spi, rf_tx, rf_rx, rf_en);
+    radio.init().await.unwrap();
+
+    let mut bpsk = BpskRadio::new(&mut radio);
+    bpsk.configure(&BpskConfig {
+        frequency: 868_100_000,
+        bitrate: Bitrate::Bps600,
+        pa: PaSelection::HighPower,
+        power_dbm: 17,
+        ..Default::default()
+    })
+    .await
+    .unwrap();
+
+    info!("sending stuffs");
+    match bpsk.tx(b"hiiiii!").await {
+        Ok(_) => info!("yay :3"),
+        Err(e) => error!("tx error: {:?}", e),
+    }
+
+    loop {
+        Timer::after(Duration::from_secs(1)).await;
+    }
+}