46 lines
1.4 KiB
Rust
46 lines
1.4 KiB
Rust
#![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_stm32::pwm::simple_pwm::{PwmPin, SimplePwm};
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use embassy_stm32::pwm::Channel;
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use embassy_stm32::time::{khz, mhz};
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use embassy_stm32::Config;
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use embassy_time::{Duration, Timer};
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use {defmt_rtt as _, panic_probe as _};
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let mut config = Config::default();
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config.rcc.sys_ck = Some(mhz(400));
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config.rcc.hclk = Some(mhz(400));
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config.rcc.pll1.q_ck = Some(mhz(100));
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config.rcc.pclk1 = Some(mhz(100));
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config.rcc.pclk2 = Some(mhz(100));
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config.rcc.pclk3 = Some(mhz(100));
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config.rcc.pclk4 = Some(mhz(100));
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let p = embassy_stm32::init(config);
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info!("Hello World!");
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let ch1 = PwmPin::new_ch1(p.PA6);
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let mut pwm = SimplePwm::new(p.TIM3, Some(ch1), None, None, None, khz(10));
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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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