From 83069e7b49bd181236e6a68005ad6119d39b39c3 Mon Sep 17 00:00:00 2001
From: eZio Pan <eziopan@qq.com>
Date: Fri, 22 Mar 2024 00:58:03 +0800
Subject: [PATCH] stm32 CORDIC: add example
---
examples/stm32h5/src/bin/cordic.rs | 35 ++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 examples/stm32h5/src/bin/cordic.rs
diff --git a/examples/stm32h5/src/bin/cordic.rs b/examples/stm32h5/src/bin/cordic.rs
new file mode 100644
index 000000000..d49f75b8f
--- /dev/null
+++ b/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]);
+}