1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
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, Peri};
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: Peri<'static, 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(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);
}
}
|
