cral/ds1803/ds1803.cpp

extern "C" {
	#include <Wire/Wire.h>
}

#include "../global.h"
#include "../configs/ds1803/ds1803.h"
#include "ds1803.h"

DS1803::DS1803()
{
#ifdef WIRE_LIB_SCAN_MOD
	/*if (!Wire.isStarted())*/ Wire.begin();
#else
	Wire.begin();
#endif
}

/**
 * Instantiate the object
**/
DS1803 DPOT = DS1803();

void DS1803::setWiper(uint8_t value, uint8_t wiperAddr)
{
	if (!Wire.checkAddress(DS1803_WADDR)) return;
	
	Wire.beginTransmission(DS1803_WADDR);
	Wire.send(wiperAddr); // Send the wiper address
	
	Wire.send(value);
	
	Wire.endTransmission();
}

#ifdef DS1803_USE_GET_VALUE_FUNC
uint8_t DS1803::getValue()
{
	if (!Wire.checkAddress(DS1803_WADDR)) return;
	
	Wire.requestFrom(DS1803_RADDR, 2);
	
	while (Wire.available()) {
		Serial.println((uint8_t)Wire.receive(), DEC);
	}
	
	return 0;
}
#endif