65 lines
1.4 KiB
Rust
65 lines
1.4 KiB
Rust
#![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 cortex_m::prelude::_embedded_hal_blocking_serial_Write;
|
|
use embassy::executor::Executor;
|
|
use embassy::time::Clock;
|
|
use embassy::util::Forever;
|
|
use embassy_stm32::dma::NoDma;
|
|
use embassy_stm32::usart::{Config, Uart};
|
|
use example_common::*;
|
|
|
|
use cortex_m_rt::entry;
|
|
use embassy_stm32::dbgmcu::Dbgmcu;
|
|
|
|
#[embassy::task]
|
|
async fn main_task() {
|
|
let p = embassy_stm32::init(Default::default());
|
|
|
|
let config = Config::default();
|
|
let mut usart = Uart::new(p.UART7, p.PF6, p.PF7, NoDma, NoDma, config);
|
|
|
|
usart.bwrite_all(b"Hello Embassy World!\r\n").unwrap();
|
|
info!("wrote Hello, starting echo");
|
|
|
|
let mut buf = [0u8; 1];
|
|
loop {
|
|
usart.read_blocking(&mut buf).unwrap();
|
|
usart.bwrite_all(&buf).unwrap();
|
|
}
|
|
}
|
|
|
|
struct ZeroClock;
|
|
|
|
impl Clock for ZeroClock {
|
|
fn now(&self) -> u64 {
|
|
0
|
|
}
|
|
}
|
|
|
|
static EXECUTOR: Forever<Executor> = Forever::new();
|
|
|
|
#[entry]
|
|
fn main() -> ! {
|
|
info!("Hello World!");
|
|
|
|
unsafe {
|
|
Dbgmcu::enable_all();
|
|
}
|
|
|
|
unsafe { embassy::time::set_clock(&ZeroClock) };
|
|
|
|
let executor = EXECUTOR.put(Executor::new());
|
|
|
|
executor.run(|spawner| {
|
|
unwrap!(spawner.spawn(main_task()));
|
|
})
|
|
}
|