43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
#![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 cortex_m::prelude::_embedded_hal_blocking_serial_Write;
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use defmt::panic;
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use embassy::executor::Spawner;
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use embassy_stm32::dma::NoDma;
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use embassy_stm32::usart::{Config, Uart};
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use embassy_stm32::{pac, Peripherals};
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use example_common::*;
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#[embassy::main]
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async fn main(_spawner: Spawner, p: Peripherals) {
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info!("Hello World!");
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unsafe {
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pac::DBGMCU.cr().modify(|w| {
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w.set_dbg_sleep(true);
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w.set_dbg_standby(true);
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w.set_dbg_stop(true);
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});
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}
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let config = Config::default();
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let mut usart = Uart::new(p.UART4, p.PA1, p.PA0, NoDma, NoDma, config);
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usart.bwrite_all(b"Hello Embassy World!\r\n").unwrap();
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info!("wrote Hello, starting echo");
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let mut buf = [0u8; 1];
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loop {
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usart.read(&mut buf).unwrap();
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usart.bwrite_all(&buf).unwrap();
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}
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}
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