Merge pull request #2868 from yangjie11/dma

 [bsp][stm32/libraries/HAL_Drivers] F0 系列支持SPI，并修复DMA中断函数重复定义

bsp/stm32/libraries/HAL_Drivers/config/f0/dma_config.h

@@ -26,6 +26,18 @@ extern "C" {
 #define UART1_RX_DMA_RCC                 RCC_AHBENR_DMA1EN
 #define UART1_RX_DMA_INSTANCE            DMA1_Channel3
 #define UART1_RX_DMA_IRQ                 DMA1_Ch2_3_DMA2_Ch1_2_IRQn
+#elif defined(BSP_SPI1_RX_USING_DMA) && !defined(SPI1_RX_DMA_INSTANCE)
+#define SPI1_DMA_RX_TX_IRQHandler       DMA1_Ch2_3_DMA2_Ch1_2_IRQHandler 
+#define SPI1_RX_DMA_RCC                 RCC_AHBENR_DMA1EN
+#define SPI1_RX_DMA_INSTANCE            DMA1_Channel2
+#define SPI1_RX_DMA_IRQ                 DMA1_Ch2_3_DMA2_Ch1_2_IRQn
+#endif
+
+#if  defined(BSP_SPI1_TX_USING_DMA) && !defined(SPI1_TX_DMA_INSTANCE)
+#define SPI1_DMA_RX_TX_IRQHandler       DMA1_Ch2_3_DMA2_Ch1_2_IRQHandler
+#define SPI1_TX_DMA_RCC                 RCC_AHBENR_DMA1EN
+#define SPI1_TX_DMA_INSTANCE            DMA1_Channel3
+#define SPI1_TX_DMA_IRQ                 DMA1_Ch2_3_DMA2_Ch1_2_IRQn
 #endif
 /* DMA1 channel2-3 DMA2 channel1-2 */
 

bsp/stm32/libraries/HAL_Drivers/config/f0/spi_config.h

@@ -6,6 +6,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2018-11-06     SummerGift   first version
+ * 2019-01-05     SummerGift   modify DMA support
  */
 
 #ifndef __SPI_CONFIG_H__
@@ -18,21 +19,68 @@ extern "C" {
 #endif
 
 #ifdef BSP_USING_SPI1
-#define SPI1_BUS_CONFIG                                  \
-    {                                                    \
-        .Instance = SPI1,                                \
-        .bus_name = "spi1",                              \
-        .dma_rx.dma_rcc = RCC_AHBENR_DMA1EN,             \
-        .dma_tx.dma_rcc = RCC_AHBENR_DMA1EN,             \
-        .dma_rx.Instance = DMA1_Channel2,                \
-        .dma_rx.dma_irq = DMA1_Ch2_3_DMA2_Ch1_2_IRQn,    \
-        .dma_tx.Instance = DMA1_Channel3,                \
-        .dma_tx.dma_irq = DMA1_Ch2_3_DMA2_Ch1_2_IRQn,    \
+#ifndef SPI1_BUS_CONFIG
+#define SPI1_BUS_CONFIG                             \
+    {                                               \
+        .Instance = SPI1,                           \
+        .bus_name = "spi1",                         \
     }
+#endif /* SPI1_BUS_CONFIG */
+#endif /* BSP_USING_SPI1 */
+    
+#ifdef BSP_SPI1_TX_USING_DMA
+#ifndef SPI1_TX_DMA_CONFIG
+#define SPI1_TX_DMA_CONFIG                          \
+    {                                               \
+        .dma_rcc = SPI1_TX_DMA_RCC,                 \
+        .Instance = SPI1_TX_DMA_INSTANCE,           \
+        .dma_irq = SPI1_TX_DMA_IRQ,                 \
+    }
+#endif /* SPI1_TX_DMA_CONFIG */
+#endif /* BSP_SPI1_TX_USING_DMA */
 
-#define SPI1_DMA_RX_IRQHandler           DMA1_Ch2_3_DMA2_Ch1_2_IRQHandler    
-#define SPI1_DMA_TX_IRQHandler           DMA1_Ch2_3_DMA2_Ch1_2_IRQHandler
-#endif
+#ifdef BSP_SPI1_RX_USING_DMA
+#ifndef SPI1_RX_DMA_CONFIG
+#define SPI1_RX_DMA_CONFIG                          \
+    {                                               \
+        .dma_rcc = SPI1_RX_DMA_RCC,                 \
+        .Instance = SPI1_RX_DMA_INSTANCE,           \
+        .dma_irq = SPI1_RX_DMA_IRQ,                 \
+    }
+#endif /* SPI1_RX_DMA_CONFIG */
+#endif /* BSP_SPI1_RX_USING_DMA */
+
+#ifdef BSP_USING_SPI2
+#ifndef SPI2_BUS_CONFIG
+#define SPI2_BUS_CONFIG                             \
+    {                                               \
+        .Instance = SPI2,                           \
+        .bus_name = "spi2",                         \
+    }
+#endif /* SPI2_BUS_CONFIG */
+#endif /* BSP_USING_SPI2 */
+    
+#ifdef BSP_SPI2_TX_USING_DMA
+#ifndef SPI2_TX_DMA_CONFIG
+#define SPI2_TX_DMA_CONFIG                          \
+    {                                               \
+        .dma_rcc  = SPI2_TX_DMA_RCC,                \
+        .Instance = SPI2_TX_DMA_INSTANCE,           \
+        .dma_irq  = SPI2_TX_DMA_IRQ,                \
+    }
+#endif /* SPI2_TX_DMA_CONFIG */
+#endif /* BSP_SPI2_TX_USING_DMA */
+
+#ifdef BSP_SPI2_RX_USING_DMA
+#ifndef SPI2_RX_DMA_CONFIG
+#define SPI2_RX_DMA_CONFIG                          \
+    {                                               \
+        .dma_rcc  = SPI2_RX_DMA_RCC,                \
+        .Instance = SPI2_RX_DMA_INSTANCE,           \
+        .dma_irq  = SPI2_RX_DMA_IRQ,                \
+    }
+#endif /* SPI2_RX_DMA_CONFIG */
+#endif /* BSP_SPI2_RX_USING_DMA */
 
 #ifdef __cplusplus
 }

bsp/stm32/libraries/HAL_Drivers/drv_spi.c

@@ -203,7 +203,7 @@ static rt_err_t stm32_spi_init(struct stm32_spi *spi_drv, struct rt_spi_configur
     spi_handle->Init.TIMode = SPI_TIMODE_DISABLE;
     spi_handle->Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
     spi_handle->State = HAL_SPI_STATE_RESET;
-#if defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32G0)
+#if defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32F0)
     spi_handle->Init.NSSPMode          = SPI_NSS_PULSE_DISABLE;
 #endif
 
@@ -409,7 +409,7 @@ static int rt_hw_spi_bus_init(void)
 
             {
                 rt_uint32_t tmpreg = 0x00U;
-#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32G0)
+#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32F0)
                 /* enable DMA clock && Delay after an RCC peripheral clock enabling*/
                 SET_BIT(RCC->AHBENR, spi_config[i].dma_rx->dma_rcc);
                 tmpreg = READ_BIT(RCC->AHBENR, spi_config[i].dma_rx->dma_rcc);
@@ -447,10 +447,10 @@ static int rt_hw_spi_bus_init(void)
 
             {
                 rt_uint32_t tmpreg = 0x00U;
-#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32G0)
+#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32F0)
                 /* enable DMA clock && Delay after an RCC peripheral clock enabling*/
-                SET_BIT(RCC->AHBENR, spi_config[i].dma_rx->dma_rcc);
-                tmpreg = READ_BIT(RCC->AHBENR, spi_config[i].dma_rx->dma_rcc);
+                SET_BIT(RCC->AHBENR, spi_config[i].dma_tx->dma_rcc);
+                tmpreg = READ_BIT(RCC->AHBENR, spi_config[i].dma_tx->dma_rcc);
 #elif defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32L4)
                 SET_BIT(RCC->AHB1ENR, spi_config[i].dma_tx->dma_rcc);
                 /* Delay after an RCC peripheral clock enabling */
@@ -861,6 +861,30 @@ static void stm32_get_dma_info(void)
 #endif
 }
 
+#if defined(SOC_SERIES_STM32F0)
+void SPI1_DMA_RX_TX_IRQHandler(void) 
+{
+#if defined(BSP_USING_SPI1) && defined(BSP_SPI1_TX_USING_DMA)
+    SPI1_DMA_TX_IRQHandler();
+#endif
+    
+#if defined(BSP_USING_SPI1) && defined(BSP_SPI1_RX_USING_DMA)
+    SPI1_DMA_RX_IRQHandler();
+#endif
+}
+
+void SPI2_DMA_RX_TX_IRQHandler(void) 
+{
+#if defined(BSP_USING_SPI2) && defined(BSP_SPI2_TX_USING_DMA)
+    SPI2_DMA_TX_IRQHandler();
+#endif
+    
+#if defined(BSP_USING_SPI2) && defined(BSP_SPI2_RX_USING_DMA)
+    SPI2_DMA_RX_IRQHandler();
+#endif
+}
+#endif  /* SOC_SERIES_STM32F0 */
+
 int rt_hw_spi_init(void)
 {
     stm32_get_dma_info();

bsp/stm32/stm32f091-st-nucleo/applications/main.c

@@ -12,14 +12,24 @@
 #include <rtdevice.h>
 #include <board.h>
 
+/* defined the LED2 pin: PA5 */
+#define LED2_PIN    GET_PIN(A, 5)
+
 int main(void)
 {
     int count = 1;
 
+    /* set LED2 pin mode to output */
+    rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
+
     while (count++)
     {
+        rt_pin_write(LED2_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED2_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
     return RT_EOK;
 }
+
+

bsp/stm32/stm32f091-st-nucleo/board/CubeMX_Config/CubeMX_Config.ioc

@@ -20,10 +20,10 @@ Mcu.Name=STM32F091R(B-C)Tx
 Mcu.Package=LQFP64
 Mcu.Pin0=PC14OSC32_IN
 Mcu.Pin1=PC15OSC32_OUT
-Mcu.Pin10=PA9
-Mcu.Pin11=PA10
-Mcu.Pin12=PA13
-Mcu.Pin13=PA14
+Mcu.Pin10=PA10
+Mcu.Pin11=PA13
+Mcu.Pin12=PA14
+Mcu.Pin13=PB3
 Mcu.Pin14=VP_IWDG_VS_IWDG
 Mcu.Pin15=VP_RTC_VS_RTC_Activate
 Mcu.Pin16=VP_SYS_VS_Systick
@@ -34,22 +34,22 @@ Mcu.Pin2=PA0
 Mcu.Pin20=VP_TIM17_VS_ClockSourceINT
 Mcu.Pin3=PA2
 Mcu.Pin4=PA3
-Mcu.Pin5=PA5
-Mcu.Pin6=PA6
-Mcu.Pin7=PA7
-Mcu.Pin8=PB11
-Mcu.Pin9=PA8
+Mcu.Pin5=PA6
+Mcu.Pin6=PA7
+Mcu.Pin7=PB11
+Mcu.Pin8=PA8
+Mcu.Pin9=PA9
 Mcu.PinsNb=21
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F091RCTx
-MxCube.Version=5.0.0
-MxDb.Version=DB.5.0.0
-NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false
-NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false
-NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false
-NVIC.SVC_IRQn=true\:0\:0\:false\:false\:true\:false
-NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false
+MxCube.Version=5.3.0
+MxDb.Version=DB.5.0.30
+NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+NVIC.SVC_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false\:true
 PA0.Mode=IN0
 PA0.Signal=ADC_IN0
 PA10.Mode=Synchronous
@@ -62,8 +62,6 @@ PA2.Mode=Asynchronous
 PA2.Signal=USART2_TX
 PA3.Mode=Asynchronous
 PA3.Signal=USART2_RX
-PA5.Mode=Full_Duplex_Master
-PA5.Signal=SPI1_SCK
 PA6.Mode=Full_Duplex_Master
 PA6.Signal=SPI1_MISO
 PA7.Mode=Full_Duplex_Master
@@ -73,6 +71,9 @@ PA8.Signal=USART1_CK
 PA9.Mode=Synchronous
 PA9.Signal=USART1_TX
 PB11.Signal=S_TIM2_CH4
+PB3.Locked=true
+PB3.Mode=Full_Duplex_Master
+PB3.Signal=SPI1_SCK
 PC14OSC32_IN.Mode=LSE-External-Oscillator
 PC14OSC32_IN.Signal=RCC_OSC32_IN
 PC15OSC32_OUT.Mode=LSE-External-Oscillator
@@ -95,7 +96,7 @@ ProjectManager.CustomerFirmwarePackage=
 ProjectManager.DefaultFWLocation=true
 ProjectManager.DeletePrevious=true
 ProjectManager.DeviceId=STM32F091RCTx
-ProjectManager.FirmwarePackage=STM32Cube FW_F0 V1.9.0
+ProjectManager.FirmwarePackage=STM32Cube FW_F0 V1.10.1
 ProjectManager.FreePins=false
 ProjectManager.HalAssertFull=false
 ProjectManager.HeapSize=0x200

bsp/stm32/stm32f091-st-nucleo/board/CubeMX_Config/Inc/stm32f0xx_hal_conf.h

@@ -5,7 +5,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; COPYRIGHT(c) 2018 STMicroelectronics</center></h2>
+  * <h2><center>&copy; COPYRIGHT(c) 2019 STMicroelectronics</center></h2>
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:

bsp/stm32/stm32f091-st-nucleo/board/CubeMX_Config/Src/main.c

@@ -115,6 +115,7 @@ int main(void)
   /* USER CODE BEGIN 1 */
 
   /* USER CODE END 1 */
+  
 
   /* MCU Configuration--------------------------------------------------------*/
 
@@ -171,11 +172,11 @@ void SystemClock_Config(void)
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
 
-  /**Configure LSE Drive Capability 
+  /** Configure LSE Drive Capability 
   */
   HAL_PWR_EnableBkUpAccess();
   __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_HIGH);
-  /**Initializes the CPU, AHB and APB busses clocks 
+  /** Initializes the CPU, AHB and APB busses clocks 
   */
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14
                               |RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_LSE;
@@ -193,7 +194,7 @@ void SystemClock_Config(void)
   {
     Error_Handler();
   }
-  /**Initializes the CPU, AHB and APB busses clocks 
+  /** Initializes the CPU, AHB and APB busses clocks 
   */
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                               |RCC_CLOCKTYPE_PCLK1;
@@ -233,7 +234,7 @@ static void MX_ADC_Init(void)
   /* USER CODE BEGIN ADC_Init 1 */
 
   /* USER CODE END ADC_Init 1 */
-  /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) 
+  /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) 
   */
   hadc.Instance = ADC1;
   hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
@@ -253,7 +254,7 @@ static void MX_ADC_Init(void)
   {
     Error_Handler();
   }
-  /**Configure for the selected ADC regular channel to be converted. 
+  /** Configure for the selected ADC regular channel to be converted. 
   */
   sConfig.Channel = ADC_CHANNEL_0;
   sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;
@@ -312,7 +313,7 @@ static void MX_RTC_Init(void)
   /* USER CODE BEGIN RTC_Init 1 */
 
   /* USER CODE END RTC_Init 1 */
-  /**Initialize RTC Only 
+  /** Initialize RTC Only 
   */
   hrtc.Instance = RTC;
   hrtc.Init.HourFormat = RTC_HOURFORMAT_24;

bsp/stm32/stm32f091-st-nucleo/board/CubeMX_Config/Src/stm32f0xx_hal_msp.c

@@ -107,7 +107,6 @@ void HAL_MspInit(void)
 */
 void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
 {
-
   GPIO_InitTypeDef GPIO_InitStruct = {0};
   if(hadc->Instance==ADC1)
   {
@@ -139,10 +138,8 @@ void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
 * @param hadc: ADC handle pointer
 * @retval None
 */
-
 void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
 {
-
   if(hadc->Instance==ADC1)
   {
   /* USER CODE BEGIN ADC1_MspDeInit 0 */
@@ -171,7 +168,6 @@ void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
 */
 void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
 {
-
   if(hrtc->Instance==RTC)
   {
   /* USER CODE BEGIN RTC_MspInit 0 */
@@ -192,10 +188,8 @@ void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
 * @param hrtc: RTC handle pointer
 * @retval None
 */
-
 void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
 {
-
   if(hrtc->Instance==RTC)
   {
   /* USER CODE BEGIN RTC_MspDeInit 0 */
@@ -218,7 +212,6 @@ void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
 */
 void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
 {
-
   GPIO_InitTypeDef GPIO_InitStruct = {0};
   if(hspi->Instance==SPI1)
   {
@@ -229,18 +222,26 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
     __HAL_RCC_SPI1_CLK_ENABLE();
   
     __HAL_RCC_GPIOA_CLK_ENABLE();
+    __HAL_RCC_GPIOB_CLK_ENABLE();
     /**SPI1 GPIO Configuration    
-    PA5     ------> SPI1_SCK
     PA6     ------> SPI1_MISO
-    PA7     ------> SPI1_MOSI 
+    PA7     ------> SPI1_MOSI
+    PB3     ------> SPI1_SCK 
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
+    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF0_SPI1;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
+    GPIO_InitStruct.Pin = GPIO_PIN_3;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF0_SPI1;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
   /* USER CODE BEGIN SPI1_MspInit 1 */
 
   /* USER CODE END SPI1_MspInit 1 */
@@ -254,10 +255,8 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
 * @param hspi: SPI handle pointer
 * @retval None
 */
-
 void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
 {
-
   if(hspi->Instance==SPI1)
   {
   /* USER CODE BEGIN SPI1_MspDeInit 0 */
@@ -267,11 +266,13 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
     __HAL_RCC_SPI1_CLK_DISABLE();
   
     /**SPI1 GPIO Configuration    
-    PA5     ------> SPI1_SCK
     PA6     ------> SPI1_MISO
-    PA7     ------> SPI1_MOSI 
+    PA7     ------> SPI1_MOSI
+    PB3     ------> SPI1_SCK 
     */
-    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_6|GPIO_PIN_7);
+
+    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3);
 
   /* USER CODE BEGIN SPI1_MspDeInit 1 */
 
@@ -288,7 +289,6 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
 */
 void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
 {
-
   if(htim_base->Instance==TIM2)
   {
   /* USER CODE BEGIN TIM2_MspInit 0 */
@@ -338,7 +338,6 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
 
 void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
 {
-
   GPIO_InitTypeDef GPIO_InitStruct = {0};
   if(htim->Instance==TIM2)
   {
@@ -369,10 +368,8 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
 * @param htim_base: TIM_Base handle pointer
 * @retval None
 */
-
 void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
 {
-
   if(htim_base->Instance==TIM2)
   {
   /* USER CODE BEGIN TIM2_MspDeInit 0 */
@@ -428,7 +425,6 @@ void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
 */
 void HAL_USART_MspInit(USART_HandleTypeDef* husart)
 {
-
   GPIO_InitTypeDef GPIO_InitStruct = {0};
   if(husart->Instance==USART1)
   {
@@ -466,7 +462,6 @@ void HAL_USART_MspInit(USART_HandleTypeDef* husart)
 */
 void HAL_UART_MspInit(UART_HandleTypeDef* huart)
 {
-
   GPIO_InitTypeDef GPIO_InitStruct = {0};
   if(huart->Instance==USART2)
   {
@@ -501,10 +496,8 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
 * @param husart: USART handle pointer
 * @retval None
 */
-
 void HAL_USART_MspDeInit(USART_HandleTypeDef* husart)
 {
-
   if(husart->Instance==USART1)
   {
   /* USER CODE BEGIN USART1_MspDeInit 0 */
@@ -533,10 +526,8 @@ void HAL_USART_MspDeInit(USART_HandleTypeDef* husart)
 * @param huart: UART handle pointer
 * @retval None
 */
-
 void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
 {
-
   if(huart->Instance==USART2)
   {
   /* USER CODE BEGIN USART2_MspDeInit 0 */

bsp/stm32/stm32f091-st-nucleo/board/CubeMX_Config/Src/stm32f0xx_it.c

@@ -71,6 +71,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
+
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */