58 lines
1.4 KiB
Plaintext
58 lines
1.4 KiB
Plaintext
#![no_std]
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#![no_main]
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#![feature(trait_alias)]
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#![feature(min_type_alias_impl_trait)]
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#![feature(impl_trait_in_bindings)]
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#![feature(type_alias_impl_trait)]
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#[path = "../example_common.rs"]
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mod example_common;
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use example_common::{panic, *};
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use cortex_m_rt::entry;
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use embassy::executor::Executor;
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use embassy::traits::gpio::*;
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use embassy::util::Forever;
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use embassy_stm32::exti::ExtiPin;
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use embassy_stm32::hal::prelude::*;
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use embassy_stm32::interrupt;
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use embassy_stm32::pac as stm32;
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use futures::pin_mut;
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#[embassy::task]
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async fn run(dp: stm32::Peripherals, _cp: cortex_m::Peripherals) {
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let gpioa = dp.GPIOA.split();
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let button = gpioa.pa0.into_pull_up_input();
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let mut syscfg = dp.SYSCFG.constrain();
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let mut pin = ExtiPin::new(button, interrupt::take!(EXTI0), &mut syscfg);
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info!("Starting loop");
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loop {
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pin.wait_for_rising_edge().await;
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info!("edge detected!");
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}
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}
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static EXECUTOR: Forever<Executor> = Forever::new();
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#[entry]
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fn main() -> ! {
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let dp = stm32::Peripherals::take().unwrap();
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let cp = cortex_m::peripheral::Peripherals::take().unwrap();
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dp.DBGMCU.cr.modify(|_, w| {
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w.dbg_sleep().set_bit();
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w.dbg_standby().set_bit();
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w.dbg_stop().set_bit()
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});
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dp.RCC.ahb1enr.modify(|_, w| w.dma1en().enabled());
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let executor = EXECUTOR.put(Executor::new());
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executor.run(|spawner| {
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unwrap!(spawner.spawn(run(dp, cp)));
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});
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}
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