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fix usart2 tx issue

This commit is contained in:
Yunhorn 2023-08-08 14:13:22 +08:00
parent 547adb1452
commit 82afbd492a
3 changed files with 20 additions and 2 deletions
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3
Core/Src/dma.c
View File

@ -68,6 +68,9 @@ void MX_DMA_Init(void)
HAL_NVIC_EnableIRQ(DMA1_Channel5_IRQn); HAL_NVIC_EnableIRQ(DMA1_Channel5_IRQn);
// **** I2C2 // **** I2C2
#endif #endif
/* DMA1_Channel6_IRQn interrupt configuration */
HAL_NVIC_SetPriority(DMA1_Channel6_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(DMA1_Channel6_IRQn);
} }

15
Core/Src/stm32wlxx_it.c
View File

@ -312,12 +312,27 @@ void DMA1_Channel5_IRQHandler(void)
/* USER CODE BEGIN DMA1_Channel5_IRQn 0 */ /* USER CODE BEGIN DMA1_Channel5_IRQn 0 */
/* USER CODE END DMA1_Channel5_IRQn 0 */ /* USER CODE END DMA1_Channel5_IRQn 0 */
HAL_DMA_IRQHandler(&hdma_i2c2_tx);
/* USER CODE BEGIN DMA1_Channel5_IRQn 1 */
/* USER CODE END DMA1_Channel5_IRQn 1 */
}
/**
* @brief This function handles DMA1 Channel 6 Interrupt.
*/
void DMA1_Channel6_IRQHandler(void)
{
/* USER CODE BEGIN DMA1_Channel6_IRQn 0 */
/* USER CODE END DMA1_Channel6_IRQn 0 */
HAL_DMA_IRQHandler(&hdma_usart2_tx); HAL_DMA_IRQHandler(&hdma_usart2_tx);
/* USER CODE BEGIN DMA1_Channel5_IRQn 1 */ /* USER CODE BEGIN DMA1_Channel5_IRQn 1 */
/* USER CODE END DMA1_Channel5_IRQn 1 */ /* USER CODE END DMA1_Channel5_IRQn 1 */
} }
/** /**
* @brief This function handles SPI1 Interrupt. * @brief This function handles SPI1 Interrupt.
*/ */

2
Core/Src/usart.c
View File

@ -109,7 +109,7 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
/* USART2 DMA Init */ /* USART2 DMA Init */
/* USART2_TX Init */ /* USART2_TX Init */
hdma_usart2_tx.Instance = DMA1_Channel5; hdma_usart2_tx.Instance = DMA1_Channel6;
hdma_usart2_tx.Init.Request = DMA_REQUEST_USART2_TX; hdma_usart2_tx.Init.Request = DMA_REQUEST_USART2_TX;
hdma_usart2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; hdma_usart2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_usart2_tx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_usart2_tx.Init.PeriphInc = DMA_PINC_DISABLE;