#![deny(unsafe_code)]
#![no_main]
#![no_std]
use panic_halt as _;
use cortex_m_rt::entry;
use stm32f1xx_hal::{pac, prelude::*};
#[entry]
fn main() -> ! {
let dp = pac::Peripherals::take().unwrap();
let cp = cortex_m::Peripherals::take().unwrap();
let mut flash = dp.FLASH.constrain();
let rcc = dp.RCC.constrain();
let clocks = rcc.cfgr.freeze(&mut flash.acr);
let mut gpioc = dp.GPIOC.split();
#[cfg(feature = "stm32f100")]
let mut led = gpioc.pc9.into_push_pull_output(&mut gpioc.crh);
#[cfg(feature = "stm32f101")]
let mut led = gpioc.pc9.into_push_pull_output(&mut gpioc.crh);
#[cfg(any(feature = "stm32f103", feature = "stm32f105", feature = "stm32f107"))]
let mut led = gpioc.pc13.into_push_pull_output(&mut gpioc.crh);
let mut delay = cp.SYST.delay(&clocks);
loop {
led.set_high();
delay.delay_ms(1_000_u16);
led.set_low();
delay.delay(1.secs());
}
}