embassy/tests/rp/src/bin/gpio_multicore.rs

64 lines
1.7 KiB
Rust
Raw Normal View History

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::{info, unwrap};
use embassy_executor::Executor;
use embassy_executor::_export::StaticCell;
use embassy_rp::gpio::{Input, Level, Output, Pull};
use embassy_rp::multicore::{spawn_core1, Stack};
use embassy_rp::peripherals::{PIN_0, PIN_1};
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
use embassy_sync::channel::Channel;
use {defmt_rtt as _, panic_probe as _};
static mut CORE1_STACK: Stack<1024> = Stack::new();
static EXECUTOR0: StaticCell<Executor> = StaticCell::new();
static EXECUTOR1: StaticCell<Executor> = StaticCell::new();
static CHANNEL0: Channel<CriticalSectionRawMutex, (), 1> = Channel::new();
static CHANNEL1: Channel<CriticalSectionRawMutex, (), 1> = Channel::new();
#[cortex_m_rt::entry]
fn main() -> ! {
let p = embassy_rp::init(Default::default());
spawn_core1(p.CORE1, unsafe { &mut CORE1_STACK }, move || {
let executor1 = EXECUTOR1.init(Executor::new());
executor1.run(|spawner| unwrap!(spawner.spawn(core1_task(p.PIN_1))));
});
let executor0 = EXECUTOR0.init(Executor::new());
executor0.run(|spawner| unwrap!(spawner.spawn(core0_task(p.PIN_0))));
}
#[embassy_executor::task]
async fn core0_task(p: PIN_0) {
info!("CORE0 is running");
let mut pin = Output::new(p, Level::Low);
CHANNEL0.send(()).await;
CHANNEL1.recv().await;
pin.set_high();
CHANNEL1.recv().await;
info!("Test OK");
cortex_m::asm::bkpt();
}
#[embassy_executor::task]
async fn core1_task(p: PIN_1) {
info!("CORE1 is running");
CHANNEL0.recv().await;
let mut pin = Input::new(p, Pull::Down);
let wait = pin.wait_for_rising_edge();
CHANNEL1.send(()).await;
wait.await;
CHANNEL1.send(()).await;
}