36 lines
1.1 KiB
Rust
36 lines
1.1 KiB
Rust
use esp_idf_hal::delay::FreeRtos;
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use esp_idf_hal::ledc::*;
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use esp_idf_hal::peripherals::Peripherals;
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use esp_idf_hal::prelude::*;
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fn main() -> anyhow::Result<()> {
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esp_idf_hal::sys::link_patches();
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println!("Configuring output channel");
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let peripherals = Peripherals::take()?;
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// Channel for on-board LED on ESP32
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let mut channel = LedcDriver::new(
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peripherals.ledc.channel0,
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LedcTimerDriver::new(
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peripherals.ledc.timer0,
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&config::TimerConfig::new().frequency(25_u32.kHz().into()),
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)?,
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peripherals.pins.gpio2,
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)?;
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println!("Starting duty-cycle loop");
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let max_duty = channel.get_max_duty();
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// Cycle the channel duty every 500ms to visually show that things are working when flashed.
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for numerator in [0, 1, 2, 3, 4, 5].iter().cycle() {
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println!("Duty {numerator}/5");
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channel.set_duty(max_duty * numerator / 5)?;
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FreeRtos::delay_ms(500);
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}
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// We want this to run forever, so don't let the application terminate.
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loop {
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FreeRtos::delay_ms(1000);
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}
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}
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