DS2782 arduino Code

#include <Wire.h>

#define gaugeAddress 0x34

// Aging Capacity = 409.6mAh (wegen 1 Ohm Rsns)
#define agingCapRegM 0x62
char agingCapM = 0x90;
char agingCapL = 0x00;

// Charge Voltage = 8.4V/2
#define chargeVolReg 0x64
char chargeVol = 0xD2;

// Minimum Charge Voltage = 10mA
#define minChargeCurReg 0x65
char minChargeCur = 0xC8;

// Active Empty Voltage = 6.5V/2
#define activeEmptyVolReg 0x66
char activeEmptyVol = 0xA6;

// Active Empty Current = 5mA (zum testen...)
#define activeEmptyCurReg 0x67
char activeEmptyCur = 0x19;

// Sense Resistor = 1Ohm
#define rsnsReg 0x69
char rsns = 0x01;

// Full 40
#define full40RegM 0x6A
char full40M = 0x90;
char full40L = 0x00;

// Empty 40
#define empty40Reg 0x68
char empty40 = 0x06;

// full model
#define full3040Reg 0x6C
char full3040 = 0x10;
char full2030 = 0x17;
char full1020 = 0x3C;
char full0010 = 0x49;

// active empty model
char activeEmpty3040 = 0x06;
char activeEmpty2030 = 0x0D;
char activeEmpty1020 = 0x15;
char activeEmpty0010 = 0x2F;

char standbyEmpty3040 = 0x03;
char standbyEmpty2030 = 0x05;
char standbyEmpty1020 = 0x08;
char standbyEmpty0010 = 0x1B;

#define remainingCapReg 0x03

#define voltageRegisterMSB 0x0C
#define voltageRegisterLSB 0x0D
int input;
double voltage;
int percentage;

int test;
double test_d;

void setup()
{
  delay(2000);
  Wire.begin();
  Serial.begin(9600);
  initFG();
}

void loop()
{
  Wire.beginTransmission(gaugeAddress);
  Wire.write(voltageRegisterMSB);
  Wire.endTransmission();
  Wire.requestFrom(gaugeAddress, 2);
  if(2 <= Wire.available())
  {
    input = (Wire.read() << 8);
    input |= Wire.read();
    input = input >> 5;
    voltage = input*0.00488*2;
  }
  Serial.print("Voltage: ");
  Serial.println(voltage);

  Wire.beginTransmission(gaugeAddress);
    Wire.write(remainingCapReg);
  Wire.endTransmission();
  Wire.requestFrom(gaugeAddress, 1);
  if(1 == Wire.available())
  {
    percentage = Wire.read();
  }
  Serial.print("Remaining Cap: ");
  Serial.println(percentage);
  Serial.println();

  Wire.beginTransmission(gaugeAddress);
    Wire.write(0x16);
  Wire.endTransmission();
  Wire.requestFrom(gaugeAddress, 2);
  if(2 <= Wire.available())
  {
    test = Wire.read() << 8;
    test |= Wire.read();
    test_d = test * 0.00625;
  }
  Serial.println(test_d);

 delay(1000);
}

void initFG()
{
  Serial.println("Initializing...");
  Wire.beginTransmission(gaugeAddress);
    Wire.write(agingCapRegM);
    Wire.write(agingCapM);
    Wire.write(agingCapL);
  Wire.endTransmission();

  Wire.beginTransmission(gaugeAddress);
    Wire.write(chargeVolReg);
    Wire.write(chargeVol);
  Wire.endTransmission();

  Wire.beginTransmission(gaugeAddress);
    Wire.write(minChargeCurReg);
    Wire.write(minChargeCur);
  Wire.endTransmission();

  Wire.beginTransmission(gaugeAddress);
    Wire.write(activeEmptyCurReg);
    Wire.write(activeEmptyCur);
  Wire.endTransmission();

  Wire.beginTransmission(gaugeAddress);
    Wire.write(rsnsReg);
    Wire.write(rsns);
  Wire.endTransmission();

  Wire.beginTransmission(gaugeAddress);
    Wire.write(full40RegM);
    Wire.write(full40M);
    Wire.write(full40L);
  Wire.endTransmission();

  Wire.beginTransmission(gaugeAddress);
    Wire.write(empty40Reg);
    Wire.write(empty40);
  Wire.endTransmission();

  Wire.beginTransmission(gaugeAddress);
    Wire.write(full3040Reg);
    Wire.write(full3040);
    Wire.write(full2030);
    Wire.write(full1020);
    Wire.write(full0010);

    Wire.write(activeEmpty3040);
    Wire.write(activeEmpty2030);
    Wire.write(activeEmpty1020);
    Wire.write(activeEmpty0010);

    Wire.write(standbyEmpty3040);
    Wire.write(standbyEmpty2030);
    Wire.write(standbyEmpty1020);
    Wire.write(standbyEmpty0010);
  Wire.endTransmission();

  delay(500);
  Serial.println("Finished...");
}