cral/ds1803/ds1803.h

#ifndef DS1803_H
#define DS1803_H
	#include <inttypes.h>
	#include "../configs/ds1803/ds1803.h"

#ifdef DS1803_A0
	#define DS1803_A0			0
#endif
#ifdef DS1803_A1
	#define DS1803_A1			0
#endif
#ifdef DS1803_A2
	#define DS1803_A2			0
#endif

	#define DS1803_BASE_ADDR	B00101000
	#define DS1803_ADDR			DS1803_BASE_ADDR | (DS1803_A0 * B00000001) | (DS1803_A1 * B00000010) | (DS1803_A2 * B00000100)

	/**
	 * The number of available potentiometer wipers
	**/
	#define	DS1803_NBR_WIPERS	0x02

	/**
	 * Digital pot selection commands
	**/
	#define DS1803_WIPERS	B10101111
	#define DS1803_WIPER_0	B10101001
	#define DS1803_WIPER_1	B10101010

	/**
	 * Macros
	**/
	#define setWiper1(value) setWiper(value, DS1803_WIPER_0)
	#define setWiper2(value) setWiper(value, DS1803_WIPER_1)
	#define setWipers(value) setWiper(value, DS1803_WIPERS)

	/**
	 * DS1803 I2C Dual Digital Pot.
	**/
	class DS1803
	{
		public:
			DS1803();
			void setWiper(uint8_t, uint8_t);
		#ifdef DS1803_USE_GET_VALUE_FUNC
			uint8_t getValue();
		#endif
	};

	/**
	 * Define the object's name
	**/
	extern DS1803 DPOT;

#endif