embassy/examples/stm32g4/src/bin/pwm.rs
2022-08-18 01:22:30 +02:00

37 lines
1.1 KiB
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::pwm::simple_pwm::{PwmPin, SimplePwm};
use embassy_stm32::pwm::Channel;
use embassy_stm32::time::khz;
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hello World!");
let ch1 = PwmPin::new_ch1(p.PA5);
let mut pwm = SimplePwm::new(p.TIM2, Some(ch1), None, None, None, khz(10));
let max = pwm.get_max_duty();
pwm.enable(Channel::Ch1);
info!("PWM initialized");
info!("PWM max duty {}", max);
loop {
pwm.set_duty(Channel::Ch1, 0);
Timer::after(Duration::from_millis(300)).await;
pwm.set_duty(Channel::Ch1, max / 4);
Timer::after(Duration::from_millis(300)).await;
pwm.set_duty(Channel::Ch1, max / 2);
Timer::after(Duration::from_millis(300)).await;
pwm.set_duty(Channel::Ch1, max - 1);
Timer::after(Duration::from_millis(300)).await;
}
}