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#![no_std]
#![no_main]
#![feature(trait_alias)]
#![feature(min_type_alias_impl_trait)]
#![feature(impl_trait_in_bindings)]
#![feature(type_alias_impl_trait)]
#![allow(incomplete_features)]
#[path = "../example_common.rs"]
mod example_common;
use embassy::executor::Executor;
use embassy::time::Clock;
use embassy::util::Forever;
use embassy_stm32::exti::ExtiInput;
use embassy_stm32::gpio::{Input, Pull};
use embassy_traits::gpio::{WaitForFallingEdge, WaitForRisingEdge};
use example_common::*;
use cortex_m_rt::entry;
use stm32f4::stm32f429 as pac;
#[embassy::task]
async fn main_task() {
let p = embassy_stm32::init(Default::default());
let button = Input::new(p.PC13, Pull::Down);
let mut button = ExtiInput::new(button, p.EXTI13);
info!("Press the USER button...");
loop {
button.wait_for_rising_edge().await;
info!("Pressed!");
button.wait_for_falling_edge().await;
info!("Released!");
}
}
struct ZeroClock;
impl Clock for ZeroClock {
fn now(&self) -> u64 {
0
}
}
static EXECUTOR: Forever<Executor> = Forever::new();
#[entry]
fn main() -> ! {
info!("Hello World!");
let pp = pac::Peripherals::take().unwrap();
pp.DBGMCU.cr.modify(|_, w| {
w.dbg_sleep().set_bit();
w.dbg_standby().set_bit();
w.dbg_stop().set_bit()
});
pp.RCC.ahb1enr.modify(|_, w| w.dma1en().enabled());
pp.RCC.ahb1enr.modify(|_, w| {
w.gpioaen().enabled();
w.gpioben().enabled();
w.gpiocen().enabled();
w.gpioden().enabled();
w.gpioeen().enabled();
w.gpiofen().enabled();
w
});
pp.RCC.apb2enr.modify(|_, w| {
w.syscfgen().enabled();
w
});
unsafe { embassy::time::set_clock(&ZeroClock) };
let executor = EXECUTOR.put(Executor::new());
executor.run(|spawner| {
unwrap!(spawner.spawn(main_task()));
})
}
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