#![deny(warnings)]
#![no_main]
#![no_std]
#[macro_use]
mod utilities;
#[macro_use(block)]
extern crate nb;
use cortex_m_rt::entry;
use stm32h7xx_hal::{pac, prelude::*, time::MilliSeconds};
use log::info;
#[entry]
fn main() -> ! {
utilities::logger::init();
let cp = cortex_m::Peripherals::take().unwrap();
let dp = pac::Peripherals::take().unwrap();
info!("Setup PWR... ");
let pwr = dp.PWR.constrain();
let pwrcfg = example_power!(pwr).freeze();
info!("Setup RCC... ");
let rcc = dp.RCC.constrain();
let ccdr = rcc.freeze(pwrcfg, &dp.SYSCFG);
info!("");
info!("stm32h7xx-hal example - Blinky timer");
info!("");
let gpioe = dp.GPIOE.split(ccdr.peripheral.GPIOE);
let mut led = gpioe.pe1.into_push_pull_output();
led.set_low();
let mut delay = cp.SYST.delay(ccdr.clocks);
let mut timer = dp.TIM2.timer(1.Hz(), ccdr.peripheral.TIM2, &ccdr.clocks);
loop {
for _ in 0..5 {
led.toggle();
timer.start(MilliSeconds::from_ticks(20).into_rate());
block!(timer.wait()).ok();
led.toggle();
delay.delay_ms(500_u16);
}
}
}