filipriec/stm32_rust
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compiled, config in src/config, but i get hardfault crash at runtime

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This commit is contained in:
Priec
2025-11-05 09:44:41 +01:00
parent 44f154e289
commit d57d16935d
5 changed files with 86 additions and 22 deletions
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25
dma_gpio/src/bin/main.rs
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@@ -7,29 +7,18 @@ use embassy_executor::Spawner;
use embassy_stm32::gpio::{Input, Output, Level, Pull, Speed};
use embassy_sync::{blocking_mutex::raw::CriticalSectionRawMutex, pipe::Pipe};
use embassy_time::{Duration, Timer};
use embassy_stm32::dma::{TransferOptions, WritableRingBuffer};
use dma_gpio::software_uart::{
dma_timer::{init_tim6_for_uart, init_tim7_for_uart},
uart_emulation::{Parity, StopBits, UartConfig},
gpio_dma_uart_tx::{write_uart_frames_to_ring, TIM6_UP_REQ},
gpio_dma_uart_rx::rx_dma_task,
debug::dump_tim6_regs,
};
use embassy_stm32::dma::{TransferOptions, WritableRingBuffer};
use dma_gpio::config::{BAUD, TX_PIN_BIT, RX_OVERSAMPLE, TX_OVERSAMPLE, UART_CFG};
use dma_gpio::config::{TX_RING_BYTES, RX_RING_BYTES, PIPE_RX_SIZE};
use static_cell::StaticCell;
use {defmt_rtt as _, panic_probe as _};
/// SOFTWARE UART CONFIGURATION
const BAUD: u32 = 115_200;
const TX_PIN_BIT: u8 = 2; // PA2
const TX_OVERSAMPLE: u16 = 1;
const RX_OVERSAMPLE: u16 = 16;
const RX_RING_BYTES: usize = 4096;
const TX_RING_BYTES: usize = 4096;
// Nemoze by generic, v taskoch treba manualne zmenit
// Compiler upozorni, takze ostava takto
const PIPE_RX_SIZE: usize = 256;
static PIPE_RX: Pipe<CriticalSectionRawMutex, PIPE_RX_SIZE> = Pipe::new();
static RX_RING: StaticCell<[u8; RX_RING_BYTES]> = StaticCell::new();
static TX_RING: StaticCell<[u32; TX_RING_BYTES]> = StaticCell::new();
@@ -75,18 +64,12 @@ async fn main(spawner: Spawner) {
tx_ring.start();
info!("TX DMA ring started");
let uart_cfg = UartConfig {
data_bits: 8,
parity: Parity::None,
stop_bits: StopBits::One,
};
loop {
write_uart_frames_to_ring(
&mut tx_ring,
TX_PIN_BIT,
b"Hello marshmallow\r\n",
&uart_cfg,
&UART_CFG,
)
.await;
Timer::after(Duration::from_secs(2)).await;