/**
* @brief Configures FMPI2C Analog noise filter.
* @param hfmpi2c : pointer to a FMPI2C_HandleTypeDef structure that contains
* the configuration information for the specified FMPI2Cx peripheral.
* @param AnalogFilter : new state of the Analog filter.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_FMPI2CEx_AnalogFilter_Config(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_BUSY) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_RX)
|| (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_RX))
{
return HAL_BUSY;
}
/* 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;
}
/**
* @brief Disables FMPI2C wakeup from stop mode.
* @param hfmpi2c : pointer to a FMPI2C_HandleTypeDef structure that contains
* the configuration information for the specified FMPI2Cx peripheral.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_FMPI2CEx_DisableWakeUp (FMPI2C_HandleTypeDef *hfmpi2c)
{
/* Check the parameters */
assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance));
if((hfmpi2c->State == HAL_FMPI2C_STATE_BUSY) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_RX)
|| (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_RX))
{
return HAL_BUSY;
}
/* Process Locked */
__HAL_LOCK(hfmpi2c);
hfmpi2c->State = HAL_FMPI2C_STATE_BUSY;
/* Disable the selected FMPI2C peripheral */
__HAL_FMPI2C_DISABLE(hfmpi2c);
/* Enable wakeup from stop mode */
hfmpi2c->Instance->CR1 &= ~(FMPI2C_CR1_WUPEN);
__HAL_FMPI2C_ENABLE(hfmpi2c);
hfmpi2c->State = HAL_FMPI2C_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hfmpi2c);
return HAL_OK;
}
/**
* @brief Configure FMPI2C Digital noise filter.
* @param hfmpi2c Pointer to a FMPI2C_HandleTypeDef structure that contains
* the configuration information for the specified FMPI2Cx peripheral.
* @param DigitalFilter Coefficient of digital noise filter between 0x00 and 0x0F.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_FMPI2CEx_ConfigDigitalFilter(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t DigitalFilter)
{
uint32_t tmpreg = 0U;
/* 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_DFN);
/* 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;
}
}