File content as of revision 1:e67174cc4953:

/*
 * MAX44009.cpp
 *
 *  Created on: 18.05.2016
 *      Author: Adrian
 */

#include "MAX44009.h"

MAX44009::MAX44009(I2C_RT* i2c) {
	// TODO Auto-generated constructor stub
	setI2CRT(i2c);
	this->config = new MAX44009Config();
}

MAX44009::~MAX44009() {
	// TODO Auto-generated destructor stub
}

void MAX44009::init(MAX44009_MODE desiredMode){
	config->build(desiredMode);
	setIntegrationTime();
	setContinousMode();
	configureInterrupts();
	setUpperThreshold();
	setLowerThreshold();
}

float MAX44009::getLux(){
	uint8_t registerData[2];

	i2c->read_RT(MAX44009_ADRESS,MAX44009_LUX_H_L_BYTE,true,registerData,2);

	uint8_t exponent = (registerData[0] >> 4) & 0xF;
	uint8_t mantissa = registerData[0] & 0xF;

	return calculateLux(mantissa,exponent);


}

float MAX44009::calculateLux(uint8_t mantissa, uint8_t exponent){
	return pow(2.0,exponent) * mantissa * 0.72;
}

void MAX44009::setIntegrationTime(){
	uint8_t registerValue = config->getIntegrationTime();
	i2c->write_RT(MAX44009_ADRESS,MAX44009_CONFIG,false,&registerValue,1);
}

void MAX44009::setContinousMode(){
	uint8_t registerValue = (config->getContinousMode()) << 7;
	i2c->write_RT(MAX44009_ADRESS,MAX44009_CONFIG,false,&registerValue,1);
}

void MAX44009::setManualConfig(){
	uint8_t registerValue = (config->getManualConfig()) << 6;
	i2c->write_RT(MAX44009_ADRESS,MAX44009_CONFIG,false,&registerValue,1);
}

void MAX44009::configureInterrupts(){
	uint8_t registerValue = config->getInterruptEnable();
	i2c->write_RT(MAX44009_ADRESS,MAX44009_INT_ENABLE,false,&registerValue,1);
}

void MAX44009::setUpperThreshold(){
	uint8_t registerValue = config->getUpperThreshold();
	i2c->write_RT(MAX44009_ADRESS,MAX44009_TH_UPPER,false,&registerValue,1);
}

void MAX44009::setLowerThreshold(){
	uint8_t registerValue = config->getLowerThreshold();
	i2c->write_RT(MAX44009_ADRESS,MAX44009_TH_LOWER,false,&registerValue,1);
}

void MAX44009::setI2CRT(I2C_RT* i2c){
	this->i2c = i2c;
}