NUC200_Template/BSP/StdDriver/inc/acmp.h

164 lines
6.6 KiB
C

/**************************************************************************//**
* @file acmp.h
* @version V3.00
* $Revision: 11 $
* $Date: 15/05/20 8:50p $
* @brief Analog Comparator (ACMP) driver header file
*
* @note
* SPDX-License-Identifier: Apache-2.0
* Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#ifndef __ACMP_H__
#define __ACMP_H__
#ifdef __cplusplus
extern "C"
{
#endif
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup ACMP_Driver ACMP Driver
@{
*/
/** @addtogroup ACMP_EXPORTED_CONSTANTS ACMP Exported Constants
@{
*/
/*---------------------------------------------------------------------------------------------------------*/
/* CMPCR constant definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define ACMP_CR_VNEG_BANDGAP (1UL << ACMP_CMPCR_CMPCN_Pos) /*!< CMPCR setting for selecting band-gap voltage as the source of ACMP V-. */
#define ACMP_CR_VNEG_PIN (0UL << ACMP_CMPCR_CMPCN_Pos) /*!< CMPCR setting for selecting the voltage of ACMP negative input pin as the source of ACMP V-. */
#define ACMP_CR_HYSTERESIS_ENABLE (1UL << ACMP_CMPCR_CMP_HYSEN_Pos) /*!< CMPCR setting for enabling the hysteresis function. */
#define ACMP_CR_HYSTERESIS_DISABLE (0UL << ACMP_CMPCR_CMP_HYSEN_Pos) /*!< CMPCR setting for disabling the hysteresis function. */
#define ACMP_CR_INT_ENABLE (1UL << ACMP_CMPCR_CMPIE_Pos) /*!< CMPCR setting for enabling the interrupt function. */
#define ACMP_CR_INT_DISABLE (0UL << ACMP_CMPCR_CMPIE_Pos) /*!< CMPCR setting for disabling the interrupt function. */
#define ACMP_CR_ACMP_ENABLE (1UL << ACMP_CMPCR_CMPEN_Pos) /*!< CMPCR setting for enabling the ACMP analog circuit. */
#define ACMP_CR_ACMP_DISABLE (0UL << ACMP_CMPCR_CMPEN_Pos) /*!< CMPCR setting for disabling the ACMP analog circuit. */
/*@}*/ /* end of group ACMP_EXPORTED_CONSTANTS */
/** @addtogroup ACMP_EXPORTED_FUNCTIONS ACMP Exported Functions
@{
*/
/**
* @brief This macro is used to select ACMP negative input source
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @param[in] u32Src Comparator negative input selection. Including:
* - \ref ACMP_CR_VNEG_PIN
* - \ref ACMP_CR_VNEG_BANDGAP
* @return None
* @details This macro will set CMPCN bit of CMPCR register to determine the source of negative input.
*/
#define ACMP_SET_NEG_SRC(acmp, u32ChNum, u32Src) ((acmp)->CMPCR[(u32ChNum)%2] = ((acmp)->CMPCR[(u32ChNum)%2] & ~ACMP_CMPCR_CMPCN_Msk) | (u32Src))
/**
* @brief This macro is used to enable hysteresis function
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return None
* @details This macro will set HYSEN bit of CMPCR register to enable hysteresis function.
*/
#define ACMP_ENABLE_HYSTERESIS(acmp, u32ChNum) ((acmp)->CMPCR[(u32ChNum)%2] |= ACMP_CMPCR_CMP_HYSEN_Msk)
/**
* @brief This macro is used to disable hysteresis function
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return None
* @details This macro will clear HYSEN bit of CMPCR register to disable hysteresis function.
*/
#define ACMP_DISABLE_HYSTERESIS(acmp, u32ChNum) ((acmp)->CMPCR[(u32ChNum)%2] &= ~ACMP_CMPCR_CMP_HYSEN_Msk)
/**
* @brief This macro is used to enable interrupt
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return None
* @details This macro will set CMPIE bit of CMPCR register to enable interrupt function.
*/
#define ACMP_ENABLE_INT(acmp, u32ChNum) ((acmp)->CMPCR[(u32ChNum)%2] |= ACMP_CMPCR_CMPIE_Msk)
/**
* @brief This macro is used to disable interrupt
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return None
* @details This macro will clear CMPIE bit of CMPCR register to disable interrupt function.
*/
#define ACMP_DISABLE_INT(acmp, u32ChNum) ((acmp)->CMPCR[(u32ChNum)%2] &= ~ACMP_CMPCR_CMPIE_Msk)
/**
* @brief This macro is used to enable ACMP
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return None
* @details This macro will set CMPEN bit of CMPCR register to enable analog comparator.
*/
#define ACMP_ENABLE(acmp, u32ChNum) ((acmp)->CMPCR[(u32ChNum)%2] |= ACMP_CMPCR_CMPEN_Msk)
/**
* @brief This macro is used to disable ACMP
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return None
* @details This macro will clear CMPEN bit of CMPCR register to disable analog comparator.
*/
#define ACMP_DISABLE(acmp, u32ChNum) ((acmp)->CMPCR[(u32ChNum)%2] &= ~ACMP_CMPCR_CMPEN_Msk)
/**
* @brief This macro is used to get ACMP output value
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return ACMP output value
* @details This macro will return the ACMP output value.
*/
#define ACMP_GET_OUTPUT(acmp, u32ChNum) (((acmp)->CMPSR & (ACMP_CMPSR_CO0_Msk<<(u32ChNum)))?1:0)
/**
* @brief This macro is used to get ACMP interrupt flag
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return ACMP interrupt occurred or not
* @details This macro will return the ACMP interrupt flag.
*/
#define ACMP_GET_INT_FLAG(acmp, u32ChNum) (((acmp)->CMPSR & (ACMP_CMPSR_CMPF0_Msk<<(u32ChNum)))?1:0)
/**
* @brief This macro is used to clear ACMP interrupt flag
* @param[in] acmp The pointer of the specified ACMP module
* @param[in] u32ChNum The ACMP number
* @return None
* @details This macro will write 1 to CMPFn bit of CMPSR register to clear interrupt flag.
*/
#define ACMP_CLR_INT_FLAG(acmp, u32ChNum) ((acmp)->CMPSR = (ACMP_CMPSR_CMPF0_Msk<<(u32ChNum)))
/* Function prototype declaration */
void ACMP_Open(ACMP_T *, uint32_t u32ChNum, uint32_t u32NegSrc, uint32_t u32HysteresisEn);
void ACMP_Close(ACMP_T *, uint32_t u32ChNum);
/*@}*/ /* end of group ACMP_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group ACMP_Driver */
/*@}*/ /* end of group Device_Driver */
#ifdef __cplusplus
}
#endif
#endif //__ACMP_H__
/*** (C) COPYRIGHT 2014 Nuvoton Technology Corp. ***/