/*****************************************************************************
 * Copyright (C) 2008
 * ProbeStar Telematics, LLC
 * All Rights Reserved.  Proprietary and Confidential.
 *============================================================================
 * Generic A/D Chip Interface
 *----------------------------------------------------------------------------
 * PIC 10-bit A/D
 * Maxim 186, 188, 355
 * Microchip MCP320X, MCP3301
*****************************************************************************/

/* prevent multiple inclusions */
#ifndef _ANALOG_H_
#define _ANALOG_H_

/*****************************************************************************
 * includes
*****************************************************************************/

#include "system.h"
#include "types.h"

/*****************************************************************************
 * defines
*****************************************************************************/

/*****************************************************************************
 * macros
*****************************************************************************/

#ifdef ANALOG_MAX186
#define ANALOG_MODULE
#define AnalogInit()	AdMax186Init()
#define AnalogRead(C)	AdMax186Read(C)
#endif

#ifdef ANALOG_MCP320X
#define ANALOG_MODULE
#define	AnalogInit()	AdMcp320XInit()
#define AnalogRead(C)	AdMcp320XRead(C)
#endif

#ifdef ANALOG_MCP3301
#define ANALOG_MODULE
#define AnalogInit()    AdMcp3301Init()
#define AnalogRead(C)   AdMcp3301Read()
#endif

#ifdef ADMUX_MAX355
#define AnalogMux(C)	AdMax355Mux(C)
#endif

/*****************************************************************************
 * structs & typedefs
*****************************************************************************/

/*****************************************************************************
 * global constants
*****************************************************************************/

/*****************************************************************************
 * global variables
*****************************************************************************/

/*****************************************************************************
 * C function prototypes
*****************************************************************************/
/* export C functions to C++ */
#ifdef __cplusplus
extern "C" {
#endif

// Internal Analog
extern void AdInit( void );
extern WORD AdRead( BYTE byCh );
extern void AdWrite( BYTE byCh, WORD wData );

// Analog Drivers
#ifdef ANALOG_MAX186
extern void AdMax186Init(void);
extern WORD AdMax186Read( BYTE byChan );
#endif
#ifdef ANALOG_MCP320X
extern void AdMcp320XInit( void );
extern WORD AdMcp320XRead( BYTE byChan );
#endif
#ifdef ANALOG_MCP3301
extern void AdMcp3301Init( void );
extern short AdMcp3301Read( void );
#endif

// Analog Multiplexors
#ifdef ADMUX_MAX355
extern void AdMax355Mux( BYTE byChan );
#endif

#ifdef __cpluscplus
}
#endif
#endif