60 lines
1.5 KiB
Rust
60 lines
1.5 KiB
Rust
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#![no_std]
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#![no_main]
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#![feature(trait_alias)]
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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::singleton;
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use cortex_m_rt::entry;
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use embassy::executor::{task, Executor};
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use embassy::gpio::*;
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use embassy::util::Forever;
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use embassy_stm32f4::exti;
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use embassy_stm32f4::exti::*;
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use embassy_stm32f4::interrupt;
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use embassy_stm32f4::serial;
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use futures::pin_mut;
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use stm32f4xx_hal::serial::config::Config;
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use stm32f4xx_hal::stm32;
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use stm32f4xx_hal::syscfg;
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use stm32f4xx_hal::{prelude::*, serial::config};
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static EXTI: Forever<exti::ExtiManager> = Forever::new();
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#[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 exti = EXTI.put(exti::ExtiManager::new(dp.EXTI, dp.SYSCFG.constrain()));
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let pin = exti.new_pin(button, interrupt::take!(EXTI0));
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pin_mut!(pin);
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info!("Starting loop");
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loop {
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pin.as_mut().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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let executor = EXECUTOR.put(Executor::new(cortex_m::asm::sev));
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executor.spawn(run(dp, cp)).unwrap();
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loop {
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executor.run();
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//cortex_m::asm::wfe(); // wfe causes RTT to stop working on stm32
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}
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}
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