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56 lines
1.3 KiB
Rust
56 lines
1.3 KiB
Rust
#![no_main]
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#![no_std]
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#[allow(unused)]
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use panic_halt;
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use stm32f0xx_hal as hal;
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use crate::hal::delay::Delay;
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use crate::hal::prelude::*;
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use crate::hal::stm32;
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use cortex_m::peripheral::Peripherals;
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use cortex_m_rt::entry;
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#[entry]
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fn main() -> ! {
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if let (Some(p), Some(cp)) = (stm32::Peripherals::take(), Peripherals::take()) {
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let gpioa = p.GPIOA.split();
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let gpiob = p.GPIOB.split();
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/* (Re-)configure PA1 as output */
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let led1 = gpioa.pa1.into_push_pull_output();
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/* (Re-)configure PB1 as output */
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let led2 = gpiob.pb1.into_push_pull_output();
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/* Constrain clocking registers */
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let rcc = p.RCC.constrain();
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/* Configure clock to 8 MHz (i.e. the default) and freeze it */
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let clocks = rcc.cfgr.sysclk(8.mhz()).freeze();
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/* Get delay provider */
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let mut delay = Delay::new(cp.SYST, clocks);
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/* Store them together */
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let mut leds = [led1.downgrade(), led2.downgrade()];
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loop {
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for l in &mut leds {
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l.set_high();
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}
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delay.delay_ms(1_000_u16);
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for l in &mut leds {
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l.set_low();
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}
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delay.delay_ms(1_000_u16);
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}
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}
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loop {
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continue;
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}
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}
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