43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
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#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use defmt::*;
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use embassy::executor::Spawner;
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use embassy::time::{Duration, Timer};
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use embassy_stm32::pwm::simple_pwm::SimplePwm;
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use embassy_stm32::pwm::Channel;
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use embassy_stm32::time::{Hertz, U32Ext};
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use embassy_stm32::{Config, Peripherals};
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use {defmt_rtt as _, panic_probe as _};
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fn config() -> Config {
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let mut config = Config::default();
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config.rcc.hse = Some(Hertz(8_000_000));
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config.rcc.sys_ck = Some(Hertz(84_000_000));
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config
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}
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#[embassy::main(config = "config()")]
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async fn main(_spawner: Spawner, p: Peripherals) {
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info!("Hello World!");
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let mut pwm = SimplePwm::new_1ch(p.TIM1, p.PE9, 10000.hz());
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let max = pwm.get_max_duty();
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pwm.enable(Channel::Ch1);
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info!("PWM initialized");
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info!("PWM max duty {}", max);
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loop {
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pwm.set_duty(Channel::Ch1, 0);
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Timer::after(Duration::from_millis(300)).await;
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pwm.set_duty(Channel::Ch1, max / 4);
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Timer::after(Duration::from_millis(300)).await;
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pwm.set_duty(Channel::Ch1, max / 2);
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Timer::after(Duration::from_millis(300)).await;
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pwm.set_duty(Channel::Ch1, max - 1);
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Timer::after(Duration::from_millis(300)).await;
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}
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}
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