acc.h

Go to the documentation of this file.

/* ---------------------------------------------------------------------------- */
/*                  Atmel Microcontroller Software Support                      */
/*                       SAM Software Package License                           */
/* ---------------------------------------------------------------------------- */
/* Copyright (c) 2015, Atmel Corporation                                        */
/*                                                                              */
/* All rights reserved.                                                         */
/*                                                                              */
/* Redistribution and use in source and binary forms, with or without           */
/* modification, are permitted provided that the following condition is met:    */
/*                                                                              */
/* - Redistributions of source code must retain the above copyright notice,     */
/* this list of conditions and the disclaimer below.                            */
/*                                                                              */
/* Atmel's name may not be used to endorse or promote products derived from     */
/* this software without specific prior written permission.                     */
/*                                                                              */
/* DISCLAIMER:  THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR   */
/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE   */
/* DISCLAIMED. IN NO EVENT SHALL ATMEL 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.                           */
/* ---------------------------------------------------------------------------- */

#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_ */