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new lpuart config for Bluetooth RX

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This commit is contained in:
Oliver Walter
2024-08-06 00:05:05 +02:00
parent 8c209ac6aa
commit 8e3b1526aa
9 changed files with 313 additions and 86 deletions
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42
Core/Src/usart.c
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@@ -25,6 +25,8 @@
/* USER CODE END 0 */
UART_HandleTypeDef hlpuart1;
DMA_HandleTypeDef hdma_lpuart1_rx;
DMA_HandleTypeDef hdma_lpuart1_tx;
/* LPUART1 init function */
@@ -39,7 +41,7 @@ void MX_LPUART1_UART_Init(void)
/* USER CODE END LPUART1_Init 1 */
hlpuart1.Instance = LPUART1;
hlpuart1.Init.BaudRate = 2000000;
hlpuart1.Init.BaudRate = 1000000;
hlpuart1.Init.WordLength = UART_WORDLENGTH_8B;
hlpuart1.Init.StopBits = UART_STOPBITS_1;
hlpuart1.Init.Parity = UART_PARITY_NONE;
@@ -340,6 +342,41 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
GPIO_InitStruct.Alternate = GPIO_AF8_LPUART;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* LPUART1 DMA Init */
/* LPUART1_RX Init */
hdma_lpuart1_rx.Instance = BDMA_Channel0;
hdma_lpuart1_rx.Init.Request = BDMA_REQUEST_LPUART1_RX;
hdma_lpuart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_lpuart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_lpuart1_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_lpuart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_lpuart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_lpuart1_rx.Init.Mode = DMA_NORMAL;
hdma_lpuart1_rx.Init.Priority = DMA_PRIORITY_LOW;
if (HAL_DMA_Init(&hdma_lpuart1_rx) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(uartHandle,hdmarx,hdma_lpuart1_rx);
/* LPUART1_TX Init */
hdma_lpuart1_tx.Instance = BDMA_Channel1;
hdma_lpuart1_tx.Init.Request = BDMA_REQUEST_LPUART1_TX;
hdma_lpuart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_lpuart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_lpuart1_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_lpuart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_lpuart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_lpuart1_tx.Init.Mode = DMA_NORMAL;
hdma_lpuart1_tx.Init.Priority = DMA_PRIORITY_LOW;
if (HAL_DMA_Init(&hdma_lpuart1_tx) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(uartHandle,hdmatx,hdma_lpuart1_tx);
/* USER CODE BEGIN LPUART1_MspInit 1 */
/* USER CODE END LPUART1_MspInit 1 */
@@ -365,6 +402,9 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
/* LPUART1 DMA DeInit */
HAL_DMA_DeInit(uartHandle->hdmarx);
HAL_DMA_DeInit(uartHandle->hdmatx);
/* USER CODE BEGIN LPUART1_MspDeInit 1 */
/* USER CODE END LPUART1_MspDeInit 1 */