61 lines
2.0 KiB
Rust
61 lines
2.0 KiB
Rust
// src/bin/main.rs
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#![no_std]
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#![no_main]
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use defmt::*;
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use embassy_executor::Spawner;
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use embassy_stm32::dma::Request;
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use embassy_stm32::gpio::{Input, Output, Level, Pull, Speed};
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use embassy_sync::{blocking_mutex::raw::CriticalSectionRawMutex, pipe::Pipe};
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use dma_gpio::software_uart::{
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dma_timer::{init_tim6_for_uart, init_tim7_for_uart},
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gpio_dma_uart_rx::rx_dma_task,
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debug::dump_tim6_regs,
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};
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use dma_gpio::config::{BAUD, RX_OVERSAMPLE, TX_OVERSAMPLE};
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use dma_gpio::config::{TX_RING_BYTES, RX_RING_BYTES, PIPE_RX_SIZE};
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use dma_gpio::software_uart::gpio_dma_uart_tx::tx_dma_task;
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use static_cell::StaticCell;
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use embassy_futures::yield_now;
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use {defmt_rtt as _, panic_probe as _};
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pub const TIM6_UP_REQ: Request = 4;
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static PIPE_RX: Pipe<CriticalSectionRawMutex, PIPE_RX_SIZE> = Pipe::new();
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static TX_RING: StaticCell<[u32; TX_RING_BYTES]> = StaticCell::new();
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static RX_RING: StaticCell<[u8; RX_RING_BYTES]> = StaticCell::new();
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#[embassy_executor::main]
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async fn main(spawner: Spawner) {
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let p = embassy_stm32::init(Default::default());
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info!("Hehe");
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let _rx = Input::new(p.PA3, Pull::Up);
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let _tx = Output::new(p.PA2, Level::High, Speed::VeryHigh);
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init_tim6_for_uart(p.TIM6, BAUD, TX_OVERSAMPLE);
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init_tim7_for_uart(p.TIM7, BAUD, RX_OVERSAMPLE);
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dump_tim6_regs();
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// Safe one-time init from StaticCell
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let rx_ring: &mut [u8; RX_RING_BYTES] = RX_RING.init([0; RX_RING_BYTES]);
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let tx_ring_mem: &mut [u32; TX_RING_BYTES] = TX_RING.init([0; TX_RING_BYTES]);
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// Spawn tasks
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spawner.spawn(rx_dma_task(p.GPDMA1_CH1, &PIPE_RX, rx_ring).unwrap());
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// Create and start the TX DMA ring in main.
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// let bsrr_ptr = embassy_stm32::pac::GPIOA.bsrr().as_ptr() as *mut u32;
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let odr_ptr = embassy_stm32::pac::GPIOA.odr().as_ptr() as *mut u32;
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spawner.spawn(tx_dma_task(p.GPDMA1_CH0, odr_ptr, tx_ring_mem).unwrap());
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loop {
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info!("tick start");
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// Timer::after(Duration::from_millis(100)).await;
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// info!("tick end");
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yield_now().await;
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}
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}
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