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|
//! PWM complementary example
//!
//! This example uses two complementary pwm outputs from TIM1 with different duty cycles
//! ___ ___
//! |_________| |_________| PA8
//! _________ _________
//! ___| |___| | PA7
//! _________ _________
//! |___| |___| PB3
//! ___ ___
//! _________| |_________| | PB0
#![no_std]
#![no_main]
use defmt::info;
use embassy_executor::Spawner;
use embassy_stm32::gpio::OutputType;
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 {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
let ch1 = PwmPin::new(p.PA8, OutputType::PushPull);
let ch1n = ComplementaryPwmPin::new(p.PA7, OutputType::PushPull);
let ch2 = PwmPin::new(p.PB3, OutputType::PushPull);
let ch2n = ComplementaryPwmPin::new(p.PB0, OutputType::PushPull);
let mut pwm = ComplementaryPwm::new(
p.TIM1,
Some(ch1),
Some(ch1n),
Some(ch2),
Some(ch2n),
None,
None,
None,
None,
khz(100),
Default::default(),
);
let max = pwm.get_max_duty();
info!("Max duty: {}", max);
pwm.set_duty(Channel::Ch1, max / 4);
pwm.enable(Channel::Ch1);
pwm.set_duty(Channel::Ch2, max * 3 / 4);
pwm.enable(Channel::Ch2);
loop {}
}
|
