stm32 CORDIC: add example

examples/stm32h5/src/bin/cordic.rs

@@ -0,0 +1,35 @@
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::cordic;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut dp = embassy_stm32::init(Default::default());
+
+    let mut cordic = cordic::Cordic::new(
+        &mut dp.CORDIC,
+        unwrap!(cordic::Config::new(
+            cordic::Function::Sin,
+            Default::default(),
+            Default::default(),
+            false,
+        )),
+    );
+
+    let mut output = [0f64; 16];
+
+    let arg1 = [1.0, 0.0, -1.0]; // for trigonometric function, the ARG1 value [-pi, pi] should be map to [-1, 1]
+    let arg2 = [0.5, 1.0];
+
+    let cnt = unwrap!(
+        cordic
+            .async_calc_32bit(&mut dp.GPDMA1_CH0, &mut dp.GPDMA1_CH1, &arg1, Some(&arg2), &mut output,)
+            .await
+    );
+
+    println!("async calc 32bit: {}", output[..cnt]);
+}