/**
* @brief Stop the acquisition previously launched in interrupt mode.
* @param htsc: pointer to a TSC_HandleTypeDef structure that contains
* the configuration information for the specified TSC.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TSC_Stop_IT(TSC_HandleTypeDef* htsc)
{
/* Check the parameters */
assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
/* Process locked */
__HAL_LOCK(htsc);
/* Stop the acquisition */
__HAL_TSC_STOP_ACQ(htsc);
/* Set touch sensing IOs in low power mode (output push-pull) */
__HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
/* Disable interrupts */
__HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
/* Clear flags */
__HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
/* Change TSC state */
htsc->State = HAL_TSC_STATE_READY;
/* Process unlocked */
__HAL_UNLOCK(htsc);
/* Return function status */
return HAL_OK;
}
/**
* @brief Starts the acquisition.
* @param htsc: pointer to a TSC_HandleTypeDef structure that contains
* the configuration information for the specified TSC.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TSC_Start(TSC_HandleTypeDef* htsc)
{
/* Check the parameters */
assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
/* Process locked */
__HAL_LOCK(htsc);
/* Change TSC state */
htsc->State = HAL_TSC_STATE_BUSY;
/* Clear interrupts */
__HAL_TSC_DISABLE_IT(htsc, (TSC_IT_EOA | TSC_IT_MCE));
/* Clear flags */
__HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
/* Stop discharging the IOs */
__HAL_TSC_SET_IODEF_INFLOAT(htsc);
/* Launch the acquisition */
__HAL_TSC_START_ACQ(htsc);
/* Process unlocked */
__HAL_UNLOCK(htsc);
/* Return function status */
return HAL_OK;
}
/**
* @brief Start the acquisition in interrupt mode.
* @param htsc: pointer to a TSC_HandleTypeDef structure that contains
* the configuration information for the specified TSC.
* @retval HAL status.
*/
HAL_StatusTypeDef HAL_TSC_Start_IT(TSC_HandleTypeDef* htsc)
{
/* Check the parameters */
assert_param(IS_TSC_ALL_INSTANCE(htsc->Instance));
assert_param(IS_TSC_MCE_IT(htsc->Init.MaxCountInterrupt));
/* Process locked */
__HAL_LOCK(htsc);
/* Change TSC state */
htsc->State = HAL_TSC_STATE_BUSY;
/* Enable end of acquisition interrupt */
__HAL_TSC_ENABLE_IT(htsc, TSC_IT_EOA);
/* Enable max count error interrupt (optional) */
if (htsc->Init.MaxCountInterrupt == ENABLE)
{
__HAL_TSC_ENABLE_IT(htsc, TSC_IT_MCE);
}
else
{
__HAL_TSC_DISABLE_IT(htsc, TSC_IT_MCE);
}
/* Clear flags */
__HAL_TSC_CLEAR_FLAG(htsc, (TSC_FLAG_EOA | TSC_FLAG_MCE));
/* Set touch sensing IOs not acquired to the specified IODefaultMode */
if (htsc->Init.IODefaultMode == TSC_IODEF_OUT_PP_LOW)
{
__HAL_TSC_SET_IODEF_OUTPPLOW(htsc);
}
else
{
__HAL_TSC_SET_IODEF_INFLOAT(htsc);
}
/* Launch the acquisition */
__HAL_TSC_START_ACQ(htsc);
/* Process unlocked */
__HAL_UNLOCK(htsc);
/* Return function status */
return HAL_OK;
}