C++ (Cpp) DISCOVERY_I2Cx_CLK_ENABLE Exemples

Exemple #1

Fichier : stm32f4_discovery.c Projet : ntonjeta/Nodo-Sensore

/**
  * @brief I2C MSP Initialization
  * @param None
  * @retval None
  */
static void I2Cx_MspInit(void)
{
  GPIO_InitTypeDef  GPIO_InitStruct;

  /* Enable I2C GPIO clocks */
  DISCOVERY_I2Cx_SCL_SDA_GPIO_CLK_ENABLE();

  /* DISCOVERY_I2Cx SCL and SDA pins configuration ---------------------------*/
  GPIO_InitStruct.Pin = DISCOVERY_I2Cx_SCL_PIN | DISCOVERY_I2Cx_SDA_PIN; 
  GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
  GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
  GPIO_InitStruct.Pull  = GPIO_NOPULL;
  GPIO_InitStruct.Alternate  = DISCOVERY_I2Cx_SCL_SDA_AF;
  HAL_GPIO_Init(DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, &GPIO_InitStruct);     

  /* Enable the DISCOVERY_I2Cx peripheral clock */
  DISCOVERY_I2Cx_CLK_ENABLE();

  /* Force the I2C peripheral clock reset */
  DISCOVERY_I2Cx_FORCE_RESET();

  /* Release the I2C peripheral clock reset */
  DISCOVERY_I2Cx_RELEASE_RESET();

  /* Enable and set I2Cx Interrupt to the highest priority */
  HAL_NVIC_SetPriority(DISCOVERY_I2Cx_EV_IRQn, 0, 0);
  HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_EV_IRQn);

  /* Enable and set I2Cx Interrupt to the highest priority */
  HAL_NVIC_SetPriority(DISCOVERY_I2Cx_ER_IRQn, 0, 0);
  HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_ER_IRQn); 
}

Exemple #2

Fichier : stm32f3_discovery.c Projet : afconsult-south/dragonfly-fcb

/**
  * @brief Discovery I2Cx MSP Initialization
  * @param hi2c I2C handle
  * @retval None
  */
static void I2Cx_MspInit(I2C_HandleTypeDef *hi2c)
{
  (void) hi2c;
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Enable SCK and SDA GPIO clocks */
  DISCOVERY_I2Cx_GPIO_CLK_ENABLE();

  /* I2Cx SD1 & SCK pin configuration */
  GPIO_InitStructure.Pin = (DISCOVERY_I2Cx_SDA_PIN | DISCOVERY_I2Cx_SCL_PIN);
  GPIO_InitStructure.Mode = GPIO_MODE_AF_OD;
  GPIO_InitStructure.Pull = GPIO_PULLUP;
  GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
  GPIO_InitStructure.Alternate = DISCOVERY_I2Cx_AF;
  HAL_GPIO_Init(DISCOVERY_I2Cx_GPIO_PORT, &GPIO_InitStructure);

  /* Enable the I2C clock */
  DISCOVERY_I2Cx_CLK_ENABLE();
}