From 41b9a12574f9ad992ca986b87926838fbe1f1775 Mon Sep 17 00:00:00 2001
From: Bruno Bousquet <21108660+brunob45@users.noreply.github.com>
Date: Tue, 28 May 2024 20:36:23 -0400
Subject: [PATCH] compile pwm_input example
---
examples/stm32f4/.vscode/launch.json | 2 +-
examples/stm32f4/.vscode/tasks.json | 2 +-
examples/stm32f4/src/bin/pwm_input.rs | 52 +++++++++++++++++++++++++++
rust-toolchain.toml | 2 +-
4 files changed, 55 insertions(+), 3 deletions(-)
create mode 100644 examples/stm32f4/src/bin/pwm_input.rs
diff --git a/examples/stm32f4/.vscode/launch.json b/examples/stm32f4/.vscode/launch.json
index 59f98070d..a9849e0da 100644
--- a/examples/stm32f4/.vscode/launch.json
+++ b/examples/stm32f4/.vscode/launch.json
@@ -15,7 +15,7 @@
"cwd": "${workspaceRoot}",
"preLaunchTask": "Cargo Build (debug)",
"runToEntryPoint": "main",
- "executable": "./target/thumbv7em-none-eabihf/debug/multiprio",
+ "executable": "./target/thumbv7em-none-eabihf/debug/pwm_input",
/* Run `cargo build --example itm` and uncomment this line to run itm example */
// "executable": "./target/thumbv7em-none-eabihf/debug/examples/itm",
"device": "STM32F446RET6",
diff --git a/examples/stm32f4/.vscode/tasks.json b/examples/stm32f4/.vscode/tasks.json
index 3cbed84b4..de7013b12 100644
--- a/examples/stm32f4/.vscode/tasks.json
+++ b/examples/stm32f4/.vscode/tasks.json
@@ -9,7 +9,7 @@
],
"args": [
"--bin",
- "multiprio"
+ "pwm_input"
],
"group": {
"kind": "build",
diff --git a/examples/stm32f4/src/bin/pwm_input.rs b/examples/stm32f4/src/bin/pwm_input.rs
new file mode 100644
index 000000000..49de33d2b
--- /dev/null
+++ b/examples/stm32f4/src/bin/pwm_input.rs
@@ -0,0 +1,52 @@
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::gpio::{Level, Output, Pull, Speed};
+use embassy_stm32::time::khz;
+use embassy_stm32::timer::input_capture::{CapturePin, InputCapture};
+use embassy_stm32::timer::{self, Channel};
+use embassy_stm32::{bind_interrupts, peripherals};
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_probe as _};
+
+/// Connect PB2 and PB10 with a 1k Ohm resistor
+
+#[embassy_executor::task]
+async fn blinky(led: peripherals::PB2) {
+ let mut led = Output::new(led, Level::High, Speed::Low);
+
+ loop {
+ info!("high");
+ led.set_high();
+ Timer::after_millis(300).await;
+
+ info!("low");
+ led.set_low();
+ Timer::after_millis(300).await;
+ }
+}
+
+bind_interrupts!(struct Irqs {
+ TIM2 => timer::CaptureCompareInterruptHandler<peripherals::TIM2>;
+});
+
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+ let p = embassy_stm32::init(Default::default());
+ info!("Hello World!");
+
+ unwrap!(spawner.spawn(blinky(p.PB2)));
+
+ let ch3 = CapturePin::new_ch3(p.PB10, Pull::None);
+ let mut ic = InputCapture::new(p.TIM2, None, None, Some(ch3), None, Irqs, khz(1000), Default::default());
+
+ loop {
+ info!("wait for risign edge");
+ ic.wait_for_rising_edge(Channel::Ch3).await;
+
+ let capture_value = ic.get_capture_value(Channel::Ch3);
+ info!("new capture! {}", capture_value);
+ }
+}
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 57185e217..2f5d17069 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
[toolchain]
-channel = "1.78"
+channel = "1.77"
components = [ "rust-src", "rustfmt", "llvm-tools" ]
targets = [
"thumbv7em-none-eabi",