embassy/examples/stm32f4/src/bin/pwm_complementary.rs
Dario Nieuwenhuis 3690af9bea
stm32/timer: merge pwm module into timer. (#1703)
The traits there are applicable to timer use cases other than PWM.
It doesn't make sense to keep them separated.
2023-07-28 15:29:27 +02:00

53 lines
1.4 KiB
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::time::khz;
use embassy_stm32::timer::complementary_pwm::{ComplementaryPwm, ComplementaryPwmPin};
use embassy_stm32::timer::simple_pwm::PwmPin;
use embassy_stm32::timer::Channel;
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.PE9);
let ch1n = ComplementaryPwmPin::new_ch1(p.PA7);
let mut pwm = ComplementaryPwm::new(
p.TIM1,
Some(ch1),
Some(ch1n),
None,
None,
None,
None,
None,
None,
khz(10),
);
let max = pwm.get_max_duty();
pwm.set_dead_time(max / 1024);
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;
}
}