acc.h

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/* Copyright (c) 2015, Atmel Corporation                                        */
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/* ---------------------------------------------------------------------------- */
 
#ifndef _ACC_
#define _ACC_
 
/*----------------------------------------------------------------------------
 *        Headers
 *----------------------------------------------------------------------------*/
#include "chip.h"
 
#include <stdint.h>
#include <assert.h>
 
/*------------------------------------------------------------------------------
 *         Definitions
 *------------------------------------------------------------------------------*/
#define ACC_SELPLUS_AD12B0 0
#define ACC_SELPLUS_AD12B1 1
#define ACC_SELPLUS_AD12B2 2
#define ACC_SELPLUS_AD12B3 3
#define ACC_SELPLUS_AD12B4 4
#define ACC_SELPLUS_AD12B5 5
#define ACC_SELPLUS_AD12B6 6
#define ACC_SELPLUS_AD12B7 7
#define ACC_SELMINUS_TS 0
#define ACC_SELMINUS_ADVREF 1
#define ACC_SELMINUS_DAC0   2
#define ACC_SELMINUS_DAC1   3
#define ACC_SELMINUS_AD12B0 4
#define ACC_SELMINUS_AD12B1 5
#define ACC_SELMINUS_AD12B2 6
#define ACC_SELMINUS_AD12B3 7
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*------------------------------------------------------------------------------
 *         Macros function of register access
 *------------------------------------------------------------------------------*/
#define ACC_CfgModeReg(pAcc, mode)  { \
        (pAcc)->ACC_MR = (mode);\
    }
 
#define ACC_GetModeReg(pAcc)                ((pAcc)->ACC_MR)
 
#define ACC_StartConversion(pAcc)           ((pAcc)->ACC_CR = ACC_CR_START)
 
#define ACC_SoftReset(pAcc)                 ((pAcc)->ACC_CR = ACC_CR_SWRST)
 
#define ACC_EnableChannel(pAcc, dwChannel)    {\
        assert(dwChannel < 16);\
        (pAcc)->ACC_CHER = (1 << (dwChannel));\
    }
 
#define ACC_DisableChannel(pAcc, dwChannel)  {\
        assert(dwChannel < 16);\
        (pAcc)->ACC_CHDR = (1 << (dwChannel));\
    }
 
#define ACC_EnableIt(pAcc, dwMode)            {\
        assert(((dwMode)&0xFFF00000)== 0);\
        (pAcc)->ACC_IER = (dwMode);\
    }
 
#define ACC_DisableIt(pAcc, dwMode)           {\
        assert(((dwMode)&0xFFF00000)== 0);\
        (pAcc)->ACC_IDR = (dwMode);\
    }
 
#define ACC_EnableDataReadyIt(pAcc)         ((pAcc)->ACC_IER = AT91C_ACC_DRDY)
 
#define ACC_GetStatus(pAcc)                 ((pAcc)->ACC_ISR)
 
#define ACC_GetChannelStatus(pAcc)          ((pAcc)->ACC_CHSR)
 
#define ACC_GetInterruptMaskStatus(pAcc)    ((pAcc)->ACC_IMR)
 
#define ACC_GetLastConvertedData(pAcc)      ((pAcc)->ACC_LCDR)
 
#define ACC_CfgAnalogCtrlReg(pAcc, dwMode)     {\
        assert(((dwMode) & 0xFFFCFF3C) == 0);\
        (pAcc)->ACC_ACR = (dwMode);\
    }
 
#define ACC_CfgExtModeReg(pAcc, extmode)    {\
        assert(((extmode) & 0xFF00FFFE) == 0);\
        (pAcc)->ACC_EMR = (extmode);\
    }
 
#define ACC_GetAnalogCtrlReg(pAcc)          ((pAcc)->ACC_ACR)
 
/*------------------------------------------------------------------------------
 *         Exported functions
 *------------------------------------------------------------------------------*/
extern void ACC_Configure(Acc *pAcc, uint8_t idAcc, uint8_t ucSelplus,
                           uint8_t ucSelminus, uint16_t wAc_en, uint16_t wEdge, uint16_t wInvert);
 
extern void ACC_SetComparisonPair(Acc *pAcc, uint8_t ucSelplus,
                                   uint8_t ucSelminus);
 
extern uint32_t ACC_GetComparisonResult(Acc *pAcc, uint32_t dwStatus);
 
#ifdef __cplusplus
}
#endif
 
#endif /* #ifndef _ACC_ */