48 lines
1.4 KiB
Rust
48 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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#[path = "../example_common.rs"]
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mod example_common;
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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_nrf::gpio::NoPin;
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use embassy_nrf::pwm::{Prescaler, SimplePwm};
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use embassy_nrf::Peripherals;
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#[embassy::main]
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async fn main(_spawner: Spawner, p: Peripherals) {
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let mut pwm = SimplePwm::new(p.PWM0, p.P0_13, NoPin, NoPin, NoPin);
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// set_period doesnt actually set what you give it, because it only has a
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// few options from the hardhware so be explicit instead
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// Div128 is slowest, 125khz still crazy fast for our eyes
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pwm.set_prescaler(Prescaler::Div128);
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info!("pwm initialized!");
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// default max_duty if not specified is 1000
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// so 0 would be fully off and 1000 or above would be fully on
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loop {
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info!("100%");
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pwm.set_duty(0, 1000);
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Timer::after(Duration::from_millis(5000)).await;
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info!("25%");
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pwm.set_duty(0, 250);
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Timer::after(Duration::from_millis(5000)).await;
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info!("10%");
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pwm.set_duty(0, 100);
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Timer::after(Duration::from_millis(5000)).await;
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info!("5%");
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pwm.set_duty(0, 50);
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Timer::after(Duration::from_millis(5000)).await;
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info!("0%");
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pwm.set_duty(0, 0);
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Timer::after(Duration::from_millis(5000)).await;
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}
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}
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