enhance: refine v003 embassy example, 2 tasks

examples/ch32v003/src/bin/embassy_blinky.rs

@@ -4,12 +4,21 @@
 
 use ch32_hal as hal;
 use embassy_executor::Spawner;
-use embassy_time::{Instant, Timer};
-use embedded_hal::delay::DelayNs;
-use hal::delay::Delay;
-use hal::gpio::{Level, Output};
+use embassy_time::Timer;
+use hal::gpio::{AnyPin, Level, Output, Pin};
 use hal::println;
-use qingke::riscv;
+
+#[embassy_executor::task(pool_size = 2)]
+async fn blink(pin: AnyPin, interval_ms: u64) {
+    let mut led = Output::new(pin, Level::Low, Default::default());
+
+    loop {
+        led.set_high();
+        Timer::after_millis(interval_ms).await;
+        led.set_low();
+        Timer::after_millis(interval_ms).await;
+    }
+}
 
 #[embassy_executor::main(entry = "qingke_rt::entry")]
 async fn main(spawner: Spawner) -> ! {
@@ -19,12 +28,17 @@ async fn main(spawner: Spawner) -> ! {
     let p = hal::init(config);
     hal::embassy::init();
 
-    let mut led = Output::new(p.PC4, Level::Low, Default::default());
+    println!("CHIP signature => {}", hal::signature::chip_id().name());
+    println!("Clocks {:?}", hal::rcc::clocks());
 
-    loop {
-        led.toggle();
+    // let mut led = Output::new(p.PC4, Level::Low, Default::default());
 
-        Timer::after_millis(100).await;
+    spawner.spawn(blink(p.PC4.degrade(), 110)).unwrap();
+    spawner.spawn(blink(p.PA2.degrade(), 270)).unwrap();
+
+    loop {
+        Timer::after_millis(1000).await;
+        println!("tick");
     }
 }