65 lines
1.5 KiB
Rust
65 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(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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#![allow(incomplete_features)]
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#[path = "../example_common.rs"]
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mod example_common;
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use embassy::executor::Executor;
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use embassy::time::Clock;
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use embassy::util::Forever;
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use embassy_stm32::exti::ExtiInput;
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use embassy_stm32::gpio::{Input, Pull};
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use embassy_stm32::rcc;
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use embassy_traits::gpio::{WaitForFallingEdge, WaitForRisingEdge};
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use example_common::*;
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use cortex_m_rt::entry;
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#[embassy::task]
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async fn main_task() {
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let mut p = embassy_stm32::init(Default::default());
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let mut rcc = rcc::Rcc::new(p.RCC);
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rcc.enable_debug_wfe(&mut p.DBGMCU, true);
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// Enables SYSCFG
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let _ = rcc.enable_hsi48(&mut p.SYSCFG, p.CRS);
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let button = Input::new(p.PB2, Pull::Up);
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let mut button = ExtiInput::new(button, p.EXTI2);
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info!("Press the USER button...");
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loop {
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button.wait_for_falling_edge().await;
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info!("Pressed!");
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button.wait_for_rising_edge().await;
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info!("Released!");
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}
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}
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struct ZeroClock;
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impl Clock for ZeroClock {
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fn now(&self) -> u64 {
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0
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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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info!("Hello World!");
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unsafe { embassy::time::set_clock(&ZeroClock) };
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let executor = EXECUTOR.put(Executor::new());
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executor.run(|spawner| {
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unwrap!(spawner.spawn(main_task()));
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})
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}
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