va108xx-hal/examples/blinky.rs

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//! Simple blinky example
//!
//! Additional note on LEDs when using the REB1 development board:
//! Be not afraid: Pulling the GPIOs low makes the LEDs blink. See REB1
//! schematic for more details.
#![no_main]
#![no_std]
use cortex_m_rt::entry;
use embedded_hal::digital::v2::ToggleableOutputPin;
use panic_halt as _;
use va108xx_hal::{pac, prelude::*};
#[entry]
fn main() -> ! {
let mut dp = pac::Peripherals::take().unwrap();
let porta = dp.PORTA.split(&mut dp.SYSCONFIG).unwrap();
let mut led1 = porta
.pa10
.into_push_pull_output(&mut dp.IOCONFIG, &mut dp.PORTA);
let mut led2 = porta
.pa7
.into_push_pull_output(&mut dp.IOCONFIG, &mut dp.PORTA);
let mut led3 = porta
.pa6
.into_push_pull_output(&mut dp.IOCONFIG, &mut dp.PORTA);
for _ in 0..10 {
led1.set_low().ok();
led2.set_low().ok();
led3.set_low().ok();
cortex_m::asm::delay(5_000_000);
led1.set_high().ok();
led2.set_high().ok();
led3.set_high().ok();
cortex_m::asm::delay(5_000_000);
}
loop {
led1.toggle().ok();
cortex_m::asm::delay(5_000_000);
led2.toggle().ok();
cortex_m::asm::delay(5_000_000);
led3.toggle().ok();
cortex_m::asm::delay(5_000_000);
}
}