mirror of
https://github.com/italicsjenga/rp-hal-boards.git
synced 2024-12-27 06:11:31 +11:00
44 lines
1 KiB
Rust
44 lines
1 KiB
Rust
#![no_std]
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#![no_main]
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use cortex_m_rt::entry;
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use embedded_hal::PwmPin;
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use panic_halt as _;
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use rp2040_hal::{gpio::Pins, pwm::*, sio::Sio};
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#[link_section = ".boot2"]
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#[used]
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pub static BOOT2: [u8; 256] = rp2040_boot2::BOOT_LOADER;
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#[entry]
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fn main() -> ! {
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let mut pac = rp2040_pac::Peripherals::take().unwrap();
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let sio = Sio::new(pac.SIO);
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let pins = Pins::new(
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pac.IO_BANK0,
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pac.PADS_BANK0,
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sio.gpio_bank0,
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&mut pac.RESETS,
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);
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// Init PWMs
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let pwm_slices = Slices::new(pac.PWM, &mut pac.RESETS);
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// Configure PWM4
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let mut pwm = pwm_slices.pwm4;
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pwm.set_ph_correct();
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pwm.enable();
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// Use B channel (which outputs to GPIO 25)
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let mut channel = pwm.channel_b;
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channel.output_to(pins.gpio25);
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loop {
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channel.set_duty(15000);
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// TODO: Replace with proper delays once we have clocks working
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cortex_m::asm::delay(5_000_000);
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channel.set_duty(30000);
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cortex_m::asm::delay(5_000_000);
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}
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}
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