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#![no_std]
#![no_main]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{AfioRemap, 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::{Peri, bind_interrupts, peripherals};
use embassy_time::Timer;
use {defmt_rtt as _, panic_probe as _};
/// Connect PA2 and PC13 with a 1k Ohm resistor
#[embassy_executor::task]
async fn blinky(led: Peri<'static, peripherals::PC13>) {
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!");
spawner.spawn(unwrap!(blinky(p.PC13)));
let ch3 = CapturePin::new(p.PA2, Pull::None);
let mut ic =
InputCapture::new::<AfioRemap<0>>(p.TIM2, None, None, Some(ch3), None, Irqs, khz(1000), Default::default());
loop {
info!("wait for rising edge");
ic.wait_for_rising_edge(Channel::Ch3).await;
let capture_value = ic.get_capture_value(Channel::Ch3);
info!("new capture! {}", capture_value);
}
}
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