From b6e264d753d4aabce9371b1f050c6d692d17cf10 Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期五, 15 三月 2024 15:59:51 +0800
Subject: [PATCH] 1
---
Src/stm32l0xx_hal_msp.c | 93 ++++++++++++++++++++++------------------------
1 files changed, 44 insertions(+), 49 deletions(-)
diff --git a/Src/stm32l0xx_hal_msp.c b/Src/stm32l0xx_hal_msp.c
index 885d127..6155020 100644
--- a/Src/stm32l0xx_hal_msp.c
+++ b/Src/stm32l0xx_hal_msp.c
@@ -24,13 +24,13 @@
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
+extern DMA_HandleTypeDef hdma_lpuart1_rx;
+
+extern DMA_HandleTypeDef hdma_lpuart1_tx;
+
extern DMA_HandleTypeDef hdma_usart1_rx;
extern DMA_HandleTypeDef hdma_usart1_tx;
-
-extern DMA_HandleTypeDef hdma_usart5_rx;
-
-extern DMA_HandleTypeDef hdma_usart5_tx;
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
@@ -224,8 +224,43 @@
GPIO_InitStruct.Alternate = GPIO_AF6_LPUART1;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ /* LPUART1 DMA Init */
+ /* LPUART1_RX Init */
+ hdma_lpuart1_rx.Instance = DMA1_Channel6;
+ hdma_lpuart1_rx.Init.Request = DMA_REQUEST_5;
+ 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_CIRCULAR;
+ hdma_lpuart1_rx.Init.Priority = DMA_PRIORITY_LOW;
+ if (HAL_DMA_Init(&hdma_lpuart1_rx) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ __HAL_LINKDMA(huart,hdmarx,hdma_lpuart1_rx);
+
+ /* LPUART1_TX Init */
+ hdma_lpuart1_tx.Instance = DMA1_Channel7;
+ hdma_lpuart1_tx.Init.Request = DMA_REQUEST_5;
+ 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(huart,hdmatx,hdma_lpuart1_tx);
+
/* LPUART1 interrupt Init */
- HAL_NVIC_SetPriority(LPUART1_IRQn, 1, 0);
+ HAL_NVIC_SetPriority(LPUART1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(LPUART1_IRQn);
/* USER CODE BEGIN LPUART1_MspInit 1 */
@@ -321,44 +356,6 @@
GPIO_InitStruct.Alternate = GPIO_AF6_USART5;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
- /* USART5 DMA Init */
- /* USART5_RX Init */
- hdma_usart5_rx.Instance = DMA1_Channel6;
- hdma_usart5_rx.Init.Request = DMA_REQUEST_13;
- hdma_usart5_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
- hdma_usart5_rx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_usart5_rx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_usart5_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
- hdma_usart5_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
- hdma_usart5_rx.Init.Mode = DMA_CIRCULAR;
- hdma_usart5_rx.Init.Priority = DMA_PRIORITY_LOW;
- if (HAL_DMA_Init(&hdma_usart5_rx) != HAL_OK)
- {
- Error_Handler();
- }
-
- __HAL_LINKDMA(huart,hdmarx,hdma_usart5_rx);
-
- /* USART5_TX Init */
- hdma_usart5_tx.Instance = DMA1_Channel7;
- hdma_usart5_tx.Init.Request = DMA_REQUEST_13;
- hdma_usart5_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
- hdma_usart5_tx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_usart5_tx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_usart5_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
- hdma_usart5_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
- hdma_usart5_tx.Init.Mode = DMA_NORMAL;
- hdma_usart5_tx.Init.Priority = DMA_PRIORITY_LOW;
- if (HAL_DMA_Init(&hdma_usart5_tx) != HAL_OK)
- {
- Error_Handler();
- }
-
- __HAL_LINKDMA(huart,hdmatx,hdma_usart5_tx);
-
- /* USART5 interrupt Init */
- HAL_NVIC_SetPriority(USART4_5_IRQn, 2, 0);
- HAL_NVIC_EnableIRQ(USART4_5_IRQn);
/* USER CODE BEGIN USART5_MspInit 1 */
/* USER CODE END USART5_MspInit 1 */
@@ -387,6 +384,10 @@
PA3 ------> LPUART1_RX
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
+
+ /* LPUART1 DMA DeInit */
+ HAL_DMA_DeInit(huart->hdmarx);
+ HAL_DMA_DeInit(huart->hdmatx);
/* LPUART1 interrupt DeInit */
HAL_NVIC_DisableIRQ(LPUART1_IRQn);
@@ -434,12 +435,6 @@
HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);
- /* USART5 DMA DeInit */
- HAL_DMA_DeInit(huart->hdmarx);
- HAL_DMA_DeInit(huart->hdmatx);
-
- /* USART5 interrupt DeInit */
- HAL_NVIC_DisableIRQ(USART4_5_IRQn);
/* USER CODE BEGIN USART5_MspDeInit 1 */
/* USER CODE END USART5_MspDeInit 1 */
--
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