Initialization and de-initialization functions

Functions
HAL_StatusTypeDef	HAL_I2C_Init (I2C_HandleTypeDef *hi2c)
HAL_StatusTypeDef	HAL_I2C_DeInit (I2C_HandleTypeDef *hi2c)
void	HAL_I2C_MspInit (I2C_HandleTypeDef *hi2c)
void	HAL_I2C_MspDeInit (I2C_HandleTypeDef *hi2c)

Detailed Description

Function Documentation

HAL_I2C_DeInit()

HAL_StatusTypeDef HAL_I2C_DeInit

(

I2C_HandleTypeDef *

hi2c

)

HAL_I2C_Init()

HAL_StatusTypeDef HAL_I2C_Init

(

I2C_HandleTypeDef *

hi2c

)

HAL_I2C_MspDeInit()

void HAL_I2C_MspDeInit

(

I2C_HandleTypeDef *

hi2c

)

I2C1 GPIO Configuration PB6 ---—> I2C1_SCL PB7 ---—> I2C1_SDA

Definition at line 77 of file i2c.c.

{
 
  if(i2cHandle->Instance==I2C1)
  {
  /* USER CODE BEGIN I2C1_MspDeInit 0 */
 
  /* USER CODE END I2C1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_I2C1_CLK_DISABLE();
 
    /**I2C1 GPIO Configuration
    PB6     ------> I2C1_SCL
    PB7     ------> I2C1_SDA
    */
    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
 
    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
 
  /* USER CODE BEGIN I2C1_MspDeInit 1 */
 
  /* USER CODE END I2C1_MspDeInit 1 */
  }
}

HAL_I2C_MspInit()

void HAL_I2C_MspInit

(

I2C_HandleTypeDef *

hi2c

)

I2C1 GPIO Configuration PB6 ---—> I2C1_SCL PB7 ---—> I2C1_SDA

Definition at line 49 of file i2c.c.

{
 
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(i2cHandle->Instance==I2C1)
  {
  /* USER CODE BEGIN I2C1_MspInit 0 */
 
  /* USER CODE END I2C1_MspInit 0 */
 
    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**I2C1 GPIO Configuration
    PB6     ------> I2C1_SCL
    PB7     ------> I2C1_SDA
    */
    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
    /* I2C1 clock enable */
    __HAL_RCC_I2C1_CLK_ENABLE();
  /* USER CODE BEGIN I2C1_MspInit 1 */
 
  /* USER CODE END I2C1_MspInit 1 */
  }
}