| /**************************************************************************//** | |
| * @file acmp.c | |
| * @version V3.00 | |
| * $Revision: 1 $ | |
| * $Date: 16/07/07 7:50p $ | |
| * @brief Analog Comparator(ACMP) driver source file | |
| * | |
| * @note | |
| * Copyright (C) 2016 Nuvoton Technology Corp. All rights reserved. | |
| *****************************************************************************/ | |
| #include "M2351.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 2016 Nuvoton Technology Corp. ***/ | |