stm32f4xx_hal_fmpi2c_ex.c

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/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"


 
#ifdef HAL_FMPI2C_MODULE_ENABLED
#if defined(FMPI2C_CR1_PE)
 
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/



HAL_StatusTypeDef HAL_FMPI2CEx_ConfigAnalogFilter(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t AnalogFilter)
{
  /* Check the parameters */
  assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance));
  assert_param(IS_FMPI2C_ANALOG_FILTER(AnalogFilter));
 
  if (hfmpi2c->State == HAL_FMPI2C_STATE_READY)
  {
    /* Process Locked */
    __HAL_LOCK(hfmpi2c);
 
    hfmpi2c->State = HAL_FMPI2C_STATE_BUSY;
 
    /* Disable the selected FMPI2C peripheral */
    __HAL_FMPI2C_DISABLE(hfmpi2c);
 
    /* Reset FMPI2Cx ANOFF bit */
    hfmpi2c->Instance->CR1 &= ~(FMPI2C_CR1_ANFOFF);
 
    /* Set analog filter bit*/
    hfmpi2c->Instance->CR1 |= AnalogFilter;
 
    __HAL_FMPI2C_ENABLE(hfmpi2c);
 
    hfmpi2c->State = HAL_FMPI2C_STATE_READY;
 
    /* Process Unlocked */
    __HAL_UNLOCK(hfmpi2c);
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}

HAL_StatusTypeDef HAL_FMPI2CEx_ConfigDigitalFilter(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t DigitalFilter)
{
  uint32_t tmpreg;
 
  /* Check the parameters */
  assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance));
  assert_param(IS_FMPI2C_DIGITAL_FILTER(DigitalFilter));
 
  if (hfmpi2c->State == HAL_FMPI2C_STATE_READY)
  {
    /* Process Locked */
    __HAL_LOCK(hfmpi2c);
 
    hfmpi2c->State = HAL_FMPI2C_STATE_BUSY;
 
    /* Disable the selected FMPI2C peripheral */
    __HAL_FMPI2C_DISABLE(hfmpi2c);
 
    /* Get the old register value */
    tmpreg = hfmpi2c->Instance->CR1;
 
    /* Reset FMPI2Cx DNF bits [11:8] */
    tmpreg &= ~(FMPI2C_CR1_DNF);
 
    /* Set FMPI2Cx DNF coefficient */
    tmpreg |= DigitalFilter << 8U;
 
    /* Store the new register value */
    hfmpi2c->Instance->CR1 = tmpreg;
 
    __HAL_FMPI2C_ENABLE(hfmpi2c);
 
    hfmpi2c->State = HAL_FMPI2C_STATE_READY;
 
    /* Process Unlocked */
    __HAL_UNLOCK(hfmpi2c);
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}


void HAL_FMPI2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
{
  /* Check the parameter */
  assert_param(IS_FMPI2C_FASTMODEPLUS(ConfigFastModePlus));
 
  /* Enable SYSCFG clock */
  __HAL_RCC_SYSCFG_CLK_ENABLE();
 
  /* Enable fast mode plus driving capability for selected pin */
  SET_BIT(SYSCFG->CFGR, (uint32_t)ConfigFastModePlus);
}

void HAL_FMPI2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
{
  /* Check the parameter */
  assert_param(IS_FMPI2C_FASTMODEPLUS(ConfigFastModePlus));
 
  /* Enable SYSCFG clock */
  __HAL_RCC_SYSCFG_CLK_ENABLE();
 
  /* Disable fast mode plus driving capability for selected pin */
  CLEAR_BIT(SYSCFG->CFGR, (uint32_t)ConfigFastModePlus);
}
 
#endif /* FMPI2C_CR1_PE */
#endif /* HAL_FMPI2C_MODULE_ENABLED */