80 lines
2.3 KiB
Rust
80 lines
2.3 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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#[path = "../example_common.rs"]
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mod example_common;
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use example_common::{panic, *};
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use cortex_m::singleton;
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use cortex_m_rt::entry;
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use embassy::executor::{Executor, Spawner};
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use embassy::traits::uart::{Read, ReadUntilIdle, Write};
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use embassy::util::Forever;
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use embassy_stm32::hal::dma::StreamsTuple;
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use embassy_stm32::hal::prelude::*;
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use embassy_stm32::hal::serial::config::Config;
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use embassy_stm32::interrupt;
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use embassy_stm32::pac as stm32;
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use embassy_stm32::serial;
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use futures::pin_mut;
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#[embassy::main(use_hse = 16, sysclk = 48, pclk1 = 24)]
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async fn main(spawner: Spawner) {
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let (dp, clocks) = embassy_stm32::Peripherals::take().unwrap();
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let cp = cortex_m::peripheral::Peripherals::take().unwrap();
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dp.DBGMCU.cr.modify(|_, w| {
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w.dbg_sleep().set_bit();
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w.dbg_standby().set_bit();
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w.dbg_stop().set_bit()
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});
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// https://gist.github.com/thalesfragoso/a07340c5df6eee3b04c42fdc69ecdcb1
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let gpioa = dp.GPIOA.split();
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let streams = StreamsTuple::new(dp.DMA2);
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let _serial = unsafe {
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serial::Serial::new(
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dp.USART1,
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(streams.7, streams.2),
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(
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gpioa.pa9.into_alternate_af7(),
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gpioa.pa10.into_alternate_af7(),
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),
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interrupt::take!(DMA2_STREAM7),
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interrupt::take!(DMA2_STREAM2),
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interrupt::take!(USART1),
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Config::default().baudrate(9600.bps()),
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clocks,
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)
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};
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let streams = StreamsTuple::new(dp.DMA1);
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let mut serial = unsafe {
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serial::Serial::new(
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dp.USART2,
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(streams.6, streams.5),
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(
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gpioa.pa2.into_alternate_af7(),
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gpioa.pa3.into_alternate_af7(),
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),
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interrupt::take!(DMA1_STREAM6),
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interrupt::take!(DMA1_STREAM5),
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interrupt::take!(USART2),
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Config::default().baudrate(9600.bps()),
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clocks,
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)
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};
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pin_mut!(serial);
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let buf = singleton!(: [u8; 30] = [0; 30]).unwrap();
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buf[5] = 0x01;
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serial.as_mut().write(buf).await.unwrap();
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serial.as_mut().read_until_idle(buf).await.unwrap();
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}
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