/**
* @brief DeInitialize the COMP peripheral.
* @note Deinitialization cannot be performed if the COMP configuration is locked.
* To unlock the configuration, perform a system reset.
* @param hcomp COMP handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_COMP_DeInit(COMP_HandleTypeDef *hcomp)
{
HAL_StatusTypeDef status = HAL_OK;
/* Check the COMP handle allocation and lock status */
if((hcomp == NULL) || ((hcomp->State & COMP_STATE_BIT_LOCK) != RESET))
{
status = HAL_ERROR;
}
else
{
/* Check the parameter */
assert_param(IS_COMP_ALL_INSTANCE(hcomp->Instance));
/* Set COMP_CSR register to reset value */
WRITE_REG(hcomp->Instance->CSR, COMP_CSR_RESET_VALUE);
/* DeInit the low level hardware: SYSCFG, GPIO, CLOCK and NVIC */
HAL_COMP_MspDeInit(hcomp);
hcomp->State = HAL_COMP_STATE_RESET;
/* Release Lock */
__HAL_UNLOCK(hcomp);
}
return status;
}
/**
* @brief DeInitializes the COMP peripheral
* @note Deinitialization can't be performed if the COMP configuration is locked.
* To unlock the configuration, perform a system reset.
* @param hcomp: COMP handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_COMP_DeInit(COMP_HandleTypeDef *hcomp)
{
HAL_StatusTypeDef status = HAL_OK;
uint32_t regshift = COMP_CSR_COMP1_SHIFT;
/* Check the COMP handle allocation and lock status */
if((hcomp == NULL) || ((hcomp->State & COMP_STATE_BIT_LOCK) != RESET))
{
status = HAL_ERROR;
}
else
{
/* Check the parameter */
assert_param(IS_COMP_ALL_INSTANCE(hcomp->Instance));
/* Set COMP_CSR register to reset value for the corresponding COMP instance */
if(hcomp->Instance == COMP2)
{
regshift = COMP_CSR_COMP2_SHIFT;
}
MODIFY_REG(COMP->CSR,
COMP_CSR_RESET_PARAMETERS_MASK << regshift,
COMP_CSR_RESET_VALUE << regshift);
/* DeInit the low level hardware: SYSCFG, GPIO, CLOCK and NVIC */
HAL_COMP_MspDeInit(hcomp);
hcomp->State = HAL_COMP_STATE_RESET;
}
return status;
}
/**
* @brief DeInitializes the COMP peripheral
* @note Deinitialization can't be performed if the COMP configuration is locked.
* To unlock the configuration, perform a system reset.
* @param hcomp: COMP handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_COMP_DeInit(COMP_HandleTypeDef *hcomp)
{
HAL_StatusTypeDef status = HAL_OK;
/* Check the COMP handle allocation and lock status */
if((hcomp == NULL) || ((hcomp->State & COMP_STATE_BIT_LOCK) != RESET))
{
status = HAL_ERROR;
}
else
{
/* Check the parameter */
assert_param(IS_COMP_ALL_INSTANCE(hcomp->Instance));
/* Reset configuration depending on comparator instance */
if (hcomp->Instance == COMP1)
{
CLEAR_BIT(COMP->CSR , COMP_CSR_400KPD | COMP_CSR_10KPD | COMP_CSR_400KPU | COMP_CSR_10KPU);
}
else /* if (hcomp->Instance == COMP2) */
{
CLEAR_BIT(COMP->CSR , COMP_CSR_OUTSEL |
COMP_CSR_WNDWE |
COMP_CSR_INSEL |
COMP_CSR_SPEED );
}
/* Restore default state of Routing Interface (RI) switches for */
/* comparator non-inverting input. */
if (hcomp->Init.NonInvertingInput != COMP_NONINVERTINGINPUT_NONE)
{
/* Open the I/O analog switch corresponding to comparator */
/* non-inverting input selected. */
__HAL_RI_IOSWITCH_OPEN(hcomp->Init.NonInvertingInput);
}
if (hcomp->Instance == COMP1)
{
/* Open the analog switch of ADC switch matrix to COMP1 (ADC */
/* channel 26: Vcomp) */
__HAL_RI_IOSWITCH_OPEN(RI_IOSWITCH_VCOMP);
/* Disable the switch control mode */
__HAL_RI_SWITCHCONTROLMODE_DISABLE();
}
/* DeInit the low level hardware: SYSCFG, GPIO, CLOCK and NVIC */
HAL_COMP_MspDeInit(hcomp);
hcomp->State = HAL_COMP_STATE_RESET;
/* Process unlocked */
__HAL_UNLOCK(hcomp);
}
return status;
}
