如何在STM32CubeIDE的控制台中显示变量(此处为温度)?

如何在STM32CubeIDE的控制台中显示变量(此处为温度)?,stm32,stm32ldiscovery,Stm32,Stm32ldiscovery,我是SMT32产品的初学者。我尝试重现本教程,其中提出了如何与HTS221传感器接口以获取温度值并在终端上显示: 我严格遵循教程,项目的构建是可以的,但是当我在STM32L475VGT6板上以调试模式运行代码时,我打开控制台->命令shell控制台->此控制台中没有显示任何内容(没有显示温度) 此外,当我在“表达式”中设置变量时,显示的值是“错误:目标不可用” 你能帮我解决这些问题吗 我的主.c代码: /* USER CODE BEGIN Header */ /** ***********

我是SMT32产品的初学者。我尝试重现本教程,其中提出了如何与HTS221传感器接口以获取温度值并在终端上显示:

我严格遵循教程,项目的构建是可以的,但是当我在STM32L475VGT6板上以调试模式运行代码时,我打开控制台->命令shell控制台->此控制台中没有显示任何内容(没有显示温度)

此外,当我在“表达式”中设置变量时,显示的值是“错误:目标不可用”

你能帮我解决这些问题吗

我的主.c代码:

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32l475e_iot01.h"
#include "stm32l475e_iot01_tsensor.h"
#include <math.h>

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
UART_HandleTypeDef huart1;
float temp_value = 0; // Measured temperature value
char str_tmp[100] = ""; // Formatted message to display the temperature value
uint8_t msg1[] = "****** Temperature values measurement ******\n\n\r";
uint8_t msg2[] = "=====> Initialize Temperature sensor HTS221 \r\n";
uint8_t msg3[] = "=====> Temperature sensor HTS221 initialized \r\n ";

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART1_UART_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */

  HAL_UART_Transmit(&huart1,msg1,sizeof(msg1),1000);
  HAL_UART_Transmit(&huart1,msg2,sizeof(msg2),1000);
  BSP_TSENSOR_Init();
  HAL_UART_Transmit(&huart1,msg3,sizeof(msg3),1000);

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
      temp_value = BSP_TSENSOR_ReadTemp();
      int tmpInt1 = temp_value;
      float tmpFrac = temp_value - tmpInt1;
      int tmpInt2 = trunc(tmpFrac * 100);
      snprintf(str_tmp,100," TEMPERATURE = %d.%02d\n\r", tmpInt1, tmpInt2);
      HAL_UART_Transmit(&huart1,( uint8_t * )str_tmp,sizeof(str_tmp),1000);
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  RCC_OscInitStruct.MSICalibrationValue = 0;
  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure the main internal regulator output voltage 
  */
  if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief USART1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOA_CLK_ENABLE();

}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */

  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{ 
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
/*用户代码开始标题*/
/**
******************************************************************************
*@file:main.c
*@brief:Main program body
******************************************************************************
*@注意
*
*&复制;版权所有(c)2020意法半导体。
*版权所有。
*
*本软件组件由ST根据BSD 3条款许可证进行许可,
*“许可证”;除非符合以下要求,否则不得使用此文件:
*执照。您可以通过以下方式获得许可证副本:
*opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/*用户代码结束头*/
/*包括------------------------------------------------------------------*/
#包括“main.h”
#包括“stm32l475e_iot01.h”
#包括“stm32l475e_iot01_tsensor.h”
#包括
/*私人包括----------------------------------------------------------*/
/*用户代码开始包括*/
/*用户代码端包括*/
/*私有类型定义-----------------------------------------------------------*/
/*用户代码开始PTD*/
/*用户代码结束PTD*/
/*私有定义------------------------------------------------------------*/
/*用户代码BEGIN PD*/
/*用户代码结束PD*/
/*私有宏-------------------------------------------------------------*/
/*用户代码开始PM*/
/*用户代码结束PM*/
/*私有变量---------------------------------------------------------*/
UART_手柄类型定义huart1;
浮动温度_值=0;//实测温度值
char str_tmp[100]=“”;//显示温度值的格式化消息
uint8_t msg1[]=“温度值测量******\n\n\r”;
uint8_t msg2[]=“初始化温度传感器HTS221\r\n”;
uint8_t msg3[]=“=======>温度传感器HTS221已初始化\r\n”;
/*用户代码开始PV*/
/*用户代码结束PV*/
/*私有函数原型-----------------------------------------------*/
无效系统时钟配置(无效);
静态void MX_GPIO_Init(void);
静态void MX_USART1_UART_Init(void);
/*用户代码开始PFP*/
/*用户代码端PFP*/
/*专用用户代码---------------------------------------------------------*/
/*用户代码从0开始*/
/*用户代码结束0*/
/**
*@简要介绍应用程序入口点。
*@retval int
*/
内部主(空)
{
/*用户代码开始1*/
/*用户代码结束1*/
/*微控制器配置--------------------------------------------------------*/
/*重置所有外围设备,初始化闪存接口和Systick*/
HAL_Init();
/*用户代码开始初始化*/
/*用户代码结束初始化*/
/*配置系统时钟*/
SystemClock_Config();
/*用户代码BEGIN SysInit*/
/*用户代码结束SysInit*/
/*初始化所有配置的外围设备*/
MX_GPIO_Init();
MX_USART1_UART_Init();
/*用户代码开始2*/
HAL_UART_传输(和huart1,msg1,sizeof(msg1),1000);
HAL_UART_传输(和huart1、msg2、sizeof(msg2)、1000);
BSP_TSENSOR_Init();
HAL_UART_传输(和huart1、msg3、sizeof(msg3)、1000);
/*用户代码结束2*/
/*无限循环*/
/*用户代码在*/
而(1)
{
/*用户代码结束时*/
/*用户代码开始3*/
temp_value=BSP_t传感器_ReadTemp();
int tmpInt1=温度值;
浮动tmpFrac=温度值-tmpInt1;
int tmpInt2=trunc(tmpFrac*100);
snprintf(str_tmp,100,“温度=%d.%02d\n\r”,tmpInt1,tmpInt2);
HAL_UART_传输(&huart1,(uint8_t*)str_tmp,sizeof(str_tmp),1000);
}
/*用户代码结束3*/
}
/**
*@简要系统时钟配置
*@retval无
*/
无效系统时钟配置(无效)
{
RCC_oscintypedef RCC_OscInitStruct={0};
RCC_ClkInitTypeDef RCC_ClkInitStruct={0};
RCC_PeriphCLKInitTypeDef PeriphClkInit={0};
/**初始化CPU、AHB和APB总线时钟
*/
RCC_OscInitStruct.OscillatorType=RCC_OscillatorType_MSI;
RCC_OscInitStruct.MSIState=RCC_MSI_ON;
RCC_oscintStruct.msiculationValue=0;
RCC_OscInitStruct.MSIClockRange=RCC_MSIRANGE_6;
RCC_OscInitStruct.PLL.PLLState=RCC_PLL_NONE;
如果(HAL_RCC_OscConfig(&RCC_OscInitStruct)!=HAL_OK)
{
错误处理程序();
}
/**初始化CPU、AHB和APB总线时钟
*/
RCC_ClkInitStruct.ClockType=RCC_ClockType_HCLK | RCC_ClockType_SYSCLK
|RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource=RCC_SYSCLKSource_MSI;
RCC\u ClkInitStruct.AHBCLKDivider=RCC\u SYSCLK\u DIV1;
RCC_ClkInitStruct.APB1CLKDivider=RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider=RCC_HCLK_DIV1;
如果(HAL\U RCC\U时钟配置(&RCC\U ClkInitStruct,闪存\U延迟\U 0)!=HAL\U正常)
{
错误处理程序();
}
PeriphClkInit.PeriphClockSelection=RCC\u PERIPHCLK\u USART1;
PeriphClkInit.Usart1ClockSelection=RCC\u USART1CLKSOURCE\u PCLK2;
if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit)!=HAL_OK)
{
错误处理程序();
}
/**配置主内部调节器输出电压
*/
如果(HAL\U PWREx\U控制电压标度(PWR\U调节器\U电压标度1)!=HAL\U正常)
{
错误处理程序();
}
}
/**
*@BRIENT USART1初始化函数
*@param-None
*@retval无
*/
静态void MX_USART1_UART_Init(void)
{
/*用户代码开始于美国
GPIO_InitTypeDef GPIO_InitStruct = {0};



  /*Configure GPIO pins : PB6 PB7 */
  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_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  /* USER CODE BEGIN Header */
  /**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under BSD 3-Clause license,
   * the "License"; You may not use this file except in compliance with the
   * License. You may obtain a copy of the License at:
        *                        opensource.org/licenses/BSD-3-Clause
   *
   ******************************************************************************
   */
   /* USER CODE END Header */

   /* Includes ------------------------------------------------------------------*/
   #include "main.h"
   #include "stm32l475e_iot01.h"
   #include "stm32l475e_iot01_tsensor.h"
   #include <math.h>
   #include <stdio.h>

  /* Private includes ----------------------------------------------------------*/
  /* USER CODE BEGIN Includes */

  /* USER CODE END Includes */

  /* Private typedef -----------------------------------------------------------*/
  /* USER CODE BEGIN PTD */

  /* USER CODE END PTD */

  /* Private define ------------------------------------------------------------*/
  /* USER CODE BEGIN PD */
  /* USER CODE END PD */

  /* Private macro -------------------------------------------------------------*/
  /* USER CODE BEGIN PM */

  /* USER CODE END PM */

  /* Private variables ---------------------------------------------------------*/
  UART_HandleTypeDef huart1;
  float temp_value = 0; // Measured temperature value
  char str_tmp[100] = ""; // Formatted message to display the temperature value
  uint8_t msg1[] = "****** Temperature values measurement ******\n\n\r";
  uint8_t msg2[] = "=====> Initialize Temperature sensor HTS221 \r\n";
  uint8_t msg3[] = "=====> Temperature sensor HTS221 initialized \r\n ";

   /* USER CODE BEGIN PV */

   /* USER CODE END PV */

   /* Private function prototypes -----------------------------------------------*/
  void SystemClock_Config(void);
  static void MX_GPIO_Init(void);
   static void MX_USART1_UART_Init(void);
  /* USER CODE BEGIN PFP */

    /* USER CODE END PFP */

  /* Private user code ---------------------------------------------------------*/
  /* USER CODE BEGIN 0 */
  int _write(int file, char *ptr, int len)
  {
      HAL_UART_Transmit( &huart1, (uint8_t*)ptr, len, HAL_MAX_DELAY );
      return len;
  }

  /* USER CODE END 0 */

 /**
  * @brief  The application entry point.
  * @retval int
  */
  int main(void)
  {
   /* USER CODE BEGIN 1 */

   /* USER CODE END 1 */

   /* MCU Configuration--------------------------------------------------------*/

   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
   HAL_Init();

   /* USER CODE BEGIN Init */

   /* USER CODE END Init */

   /* Configure the system clock */
   SystemClock_Config();

   /* USER CODE BEGIN SysInit */

   /* USER CODE END SysInit */

   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_USART1_UART_Init();
   /* USER CODE BEGIN 2 */

   HAL_UART_Transmit(&huart1,msg1,strlen(msg1),1000);
   HAL_UART_Transmit(&huart1,msg2,strlen(msg2),1000);
   BSP_TSENSOR_Init();
   HAL_UART_Transmit(&huart1,msg3,strlen(msg3),1000);
   printf( "Hello world!\r\n" );

    /* USER CODE END 2 */

   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
   while (1)
  {
  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */
  temp_value = BSP_TSENSOR_ReadTemp();
  /* int tmpInt1 = temp_value;
  float tmpFrac = temp_value - tmpInt1;
  int tmpInt2 = trunc(tmpFrac * 100);
  snprintf(str_tmp,100," TEMPERATURE = %d.%02d\n\r", tmpInt1, tmpInt2);*/
  snprintf(str_tmp,100," TEMPERATURE = %0.4f\n\r", temp_value);
  HAL_UART_Transmit(&huart1,( uint8_t * )str_tmp,strlen(str_tmp),1000);
   }
  /* USER CODE END 3 */
  }

  /**
  * @brief System Clock Configuration
  * @retval None
  */
  void SystemClock_Config(void)
  {
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  RCC_OscInitStruct.MSICalibrationValue = 0;
  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
  Error_Handler();
   }
  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                          |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
   {
  Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
   Error_Handler();
  }
   /** Configure the main internal regulator output voltage 
  */
 if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
  {
 Error_Handler();
  }
 }

  /**
 * @brief USART1 Initialization Function
 * @param None
  * @retval None
 */
 static void MX_USART1_UART_Init(void)
  {

 /* USER CODE BEGIN USART1_Init 0 */

 /* USER CODE END USART1_Init 0 */

 /* USER CODE BEGIN USART1_Init 1 */

 /* USER CODE END USART1_Init 1 */
 huart1.Instance = USART1;
 huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
 huart1.Init.StopBits = UART_STOPBITS_1;
 huart1.Init.Parity = UART_PARITY_NONE;
 huart1.Init.Mode = UART_MODE_TX_RX;
 huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
 huart1.Init.OverSampling = UART_OVERSAMPLING_16;
 huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
 huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart1) != HAL_OK)
 {
 Error_Handler();
 }
 /* USER CODE BEGIN USART1_Init 2 */

 /* USER CODE END USART1_Init 2 */

  }

/**
* @brief GPIO Initialization Function
* @param None
* @retval None
 */
static void MX_GPIO_Init(void)
{

GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pins : PB6 PB7 */
  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_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  }

 /* USER CODE BEGIN 4 */

 /* USER CODE END 4 */

/**
 * @brief  This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void)
 {
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */

/* USER CODE END Error_Handler_Debug */
}

 #ifdef  USE_FULL_ASSERT
 /**
* @brief  Reports the name of the source file and the source line number
*         where the assert_param error has occurred.
* @param  file: pointer to the source file name
 * @param  line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{ 
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
  tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
 }
#endif /* USE_FULL_ASSERT */

 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/