66 lines
1.5 KiB
Rust
66 lines
1.5 KiB
Rust
|
#![no_std]
|
||
|
#![no_main]
|
||
|
#![feature(type_alias_impl_trait)]
|
||
|
|
||
|
#[path = "../example_common.rs"]
|
||
|
mod example_common;
|
||
|
use example_common::*;
|
||
|
|
||
|
use cortex_m_rt::entry;
|
||
|
use defmt::panic;
|
||
|
use embassy::executor::{task, Executor};
|
||
|
use embassy::time::{Duration, Timer};
|
||
|
use embassy::util::Forever;
|
||
|
use embassy_stm32f4::{interrupt, pac, rtc};
|
||
|
use stm32f4xx_hal::prelude::*;
|
||
|
|
||
|
#[task]
|
||
|
async fn run1() {
|
||
|
loop {
|
||
|
info!("BIG INFREQUENT TICK");
|
||
|
Timer::after(Duration::from_ticks(32768 * 2)).await;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#[task]
|
||
|
async fn run2() {
|
||
|
loop {
|
||
|
info!("tick");
|
||
|
Timer::after(Duration::from_ticks(13000)).await;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static RTC: Forever<rtc::RTC<pac::TIM2>> = Forever::new();
|
||
|
static ALARM: Forever<rtc::Alarm<pac::TIM2>> = Forever::new();
|
||
|
static EXECUTOR: Forever<Executor> = Forever::new();
|
||
|
|
||
|
#[entry]
|
||
|
fn main() -> ! {
|
||
|
info!("Hello World!");
|
||
|
|
||
|
let p = unwrap!(pac::Peripherals::take());
|
||
|
|
||
|
p.RCC.ahb1enr.modify(|_, w| w.dma1en().enabled());
|
||
|
let rcc = p.RCC.constrain();
|
||
|
let clocks = rcc.cfgr.freeze();
|
||
|
|
||
|
p.DBGMCU.cr.modify(|_, w| {
|
||
|
w.dbg_sleep().set_bit();
|
||
|
w.dbg_standby().set_bit();
|
||
|
w.dbg_stop().set_bit()
|
||
|
});
|
||
|
|
||
|
let rtc = RTC.put(rtc::RTC::new(p.TIM2, interrupt::take!(TIM2), clocks));
|
||
|
rtc.start();
|
||
|
|
||
|
unsafe { embassy::time::set_clock(rtc) };
|
||
|
|
||
|
let alarm = ALARM.put(rtc.alarm1());
|
||
|
let executor = EXECUTOR.put(Executor::new());
|
||
|
executor.set_alarm(alarm);
|
||
|
executor.run(|spawner| {
|
||
|
unwrap!(spawner.spawn(run1()));
|
||
|
unwrap!(spawner.spawn(run2()));
|
||
|
});
|
||
|
}
|