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refactor: blinky as in typst

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This commit is contained in:
cscherr 2025-05-14 17:26:45 +02:00
parent d24370dd03
commit 2794f7ec8a
Signed by: cscherrNT
GPG key ID: 8E2B45BC51A27EA7
1 changed files with 9 additions and 10 deletions
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19
examples/blinky.rs
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@ -1,6 +1,5 @@
#![no_main]
#![no_std]
extern crate panic_halt;
use cortex_m_rt::entry;
@ -8,27 +7,27 @@ use hal::{pac, prelude::*, rcc::Config};
#[entry]
fn main() -> ! {
// get access to the peripherals
let dp = pac::Peripherals::take().unwrap();
let cp = cortex_m::Peripherals::take().unwrap();
// Configure the clock.
// configure the clock
let mut rcc = dp.RCC.freeze(Config::hsi16());
// Acquire the GPIOA peripheral. This also enables the clock for GPIOA in
// the RCC register.
// get access to GPIO Port A
let gpioa = dp.GPIOA.split(&mut rcc);
// Configure PA5 as output.
// configure Pin 5 og GPIO Port A as output
let mut led = gpioa.pa5.into_push_pull_output();
// Get the delay provider.
// prepare delays (sleeping)
let mut delay = cp.SYST.delay(rcc.clocks);
loop {
led.set_high().unwrap();
delay.delay_ms(500_u16);
led.set_high().unwrap(); // light on
delay.delay_ms(500_u16); // wait
led.set_low().unwrap();
delay.delay_ms(500_u16);
led.set_low().unwrap(); // light off
delay.delay_ms(500_u16); // wait
}
}