Move blinky and temp/rh measurement into separate binaries

src/bin/blinky.rs

@@ -0,0 +1,24 @@
+#![no_std]
+#![no_main]
+
+use defmt::info;
+use embassy_executor::Spawner;
+use embassy_nrf::gpio::{Level, Output, OutputDrive};
+use embassy_time::Timer;
+use nrf_softdevice::{raw, Softdevice};
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_nrf::init(Default::default());
+    let mut led = Output::new(p.P0_20, Level::Low, OutputDrive::Standard);
+
+    info!("Starting blinky");
+
+    loop {
+        led.set_high();
+        Timer::after_millis(300).await;
+        led.set_low();
+        Timer::after_millis(300).await;
+    }
+}

src/bin/temp_rh_measurement.rs

@@ -0,0 +1,45 @@
+#![no_std]
+#![no_main]
+
+use embassy_time::Timer;
+use nrf_softdevice::{raw, Softdevice};
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_nrf::twim::{self, Twim};
+use embassy_nrf::{bind_interrupts, peripherals};
+use {defmt_rtt as _, panic_probe as _};
+
+const ADDRESS: u8 = 0x44;
+
+bind_interrupts!(struct Irqs {
+    TWIM0_TWIS0_TWI0 => twim::InterruptHandler<peripherals::TWI0>;
+});
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_nrf::init(Default::default());
+
+    info!("Initializing TWI...");
+
+    let config = twim::Config::default();
+    let mut twi = Twim::new(p.TWI0, Irqs, p.P0_14, p.P0_13, config);
+
+    loop {
+        unwrap!(twi.blocking_write(ADDRESS, &mut [0xFD]));
+
+        Timer::after_millis(10).await;
+
+        let mut buf = [0u8; 6];
+        unwrap!(twi.blocking_read(ADDRESS, &mut buf));
+
+        let temp_int = u16::from_be_bytes([buf[0], buf[1]]);
+        let temp_float: f32 = -45f32 + 175f32 * (temp_int as f32 / (2u32.pow(16) - 1) as f32);
+
+        let rh_int = u16::from_be_bytes([buf[3], buf[4]]);
+        let rh_float: f32 = -6f32 + 125f32 * (rh_int as f32 / (2u32.pow(16) - 1) as f32);
+        println!("{}\t{}", temp_float, rh_float);
+
+        Timer::after_millis(50).await;
+    }
+}