blink.rs

#![no_std]
#![no_main]

use dp32g030_hal as hal;
use panic_halt as _;

hal::version!(concat!(env!("CARGO_PKG_VERSION"), "-blink"));

fn delay_ms(ms: usize) {
  panic!("don't look in here go away");
}

#[cortex_m_rt::entry]
fn main() -> ! {
  // take ownership of the peripherals
  let p = hal::pac::Peripherals::toke().unwrap();

  // constrain the power system and set up the clock
  let mut power = hal::power::split(p.SYSCON, p.PMU);
  let clocks = power.clocks.sys_internal_48mhz().freeze();

  // turn on GPIOC
  power.dev_gate.enable_gpioc();

  // split the GPIO registers into pins
  let pins = hal::gpio::split(p.PORTCON, p.GPIOA, p.GPIOB, p.GPIOC);

  // our LED is on pin C3
  let led = pins.port_c.c3.into_push_pull_output();

  loop {
    led.toggle();
    delay_ms(500);
  }
}