/**************************************************************************//**
 * @file     acmp.c
 * @version  V3.00
 * $Revision: 1 $
 * $Date: 16/07/07 7:50p $
 * @brief    Analog Comparator(ACMP) driver source file
 *
 * @note
 * @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *   1. Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *   2. Redistributions in binary form must reproduce the above copyright notice,
 *      this list of conditions and the following disclaimer in the documentation
 *      and/or other materials provided with the distribution.
 *   3. Neither the name of Nuvoton Technology Corp. nor the names of its contributors
 *      may be used to endorse or promote products derived from this software
 *      without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/

#include "M261.h"

#ifdef __cplusplus
extern "C"
{
#endif

/** @addtogroup Standard_Driver Standard Driver
  @{
*/

/** @addtogroup ACMP_Driver ACMP Driver
  @{
*/


/** @addtogroup ACMP_EXPORTED_FUNCTIONS ACMP Exported Functions
  @{
*/


/**
  * @brief  Configure the specified ACMP module
  *
  * @param[in]  acmp      The pointer of the specified ACMP module
  * @param[in]  u32ChNum  Comparator number.
  * @param[in]  u32NegSrc Comparator negative input selection.  Including:
  *                  - \ref ACMP_CTL_NEGSEL_PIN
  *                  - \ref ACMP_CTL_NEGSEL_CRV
  *                  - \ref ACMP_CTL_NEGSEL_VBG
  *                  - \ref ACMP_CTL_NEGSEL_DAC
  * @param[in]  u32HysSel The hysteresis function option. Including:
  *                  - \ref ACMP_CTL_HYSTERESIS_30MV
  *                  - \ref ACMP_CTL_HYSTERESIS_20MV
  *                  - \ref ACMP_CTL_HYSTERESIS_10MV
  *                  - \ref ACMP_CTL_HYSTERESIS_DISABLE
  *
  * @return     None
  *
  * @details    Configure hysteresis function, select the source of negative input and enable analog comparator.
  */
void ACMP_Open(ACMP_T *acmp, uint32_t u32ChNum, uint32_t u32NegSrc, uint32_t u32HysSel)
{
    acmp->CTL[u32ChNum] = (acmp->CTL[u32ChNum] & (~(ACMP_CTL_NEGSEL_Msk | ACMP_CTL_HYSSEL_Msk))) | (u32NegSrc | u32HysSel | ACMP_CTL_ACMPEN_Msk);
}

/**
  * @brief  Close analog comparator
  *
  * @param[in]  acmp The pointer of the specified ACMP module
  * @param[in]  u32ChNum Comparator number.
  *
  * @return     None
  *
  * @details  This function will clear ACMPEN bit of ACMP_CTL register to disable analog comparator.
  */
void ACMP_Close(ACMP_T *acmp, uint32_t u32ChNum)
{
    acmp->CTL[u32ChNum] &= (~ACMP_CTL_ACMPEN_Msk);
}



/*@}*/ /* end of group ACMP_EXPORTED_FUNCTIONS */

/*@}*/ /* end of group ACMP_Driver */

/*@}*/ /* end of group Standard_Driver */

#ifdef __cplusplus
}
#endif

/*** (C) COPYRIGHT 2019 Nuvoton Technology Corp. ***/