uint16_t ReadI2CRegister(uint8_t i2cAdress, uint8_t registerName)
{
    uint8_t read[2];
    // read content (2x8 bit) of selected register
    I2CMasterSlaveAddrSet(I2C0_BASE, 0x44, true);
    // receive the data back (first byte)
    I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_BURST_RECEIVE_START);
    SysCtlDelay(500);                                                   // wait 500
    while(I2CMasterBusy(I2C0_BASE))
    {
        while(1)
        {
            SysCtlDelay(ui32SysClock / (3*10));                           // Wait 100ms for LED to be recognized
            GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_0 | GPIO_PIN_1, 0x00);   // switch off LEDs
            // polling the register 1, wait for bit 7 to be set, then move on and data register (0)
            while(1)                                                        // exit with break
            {
             SysCtlDelay(ui32SysClock / (3*10));                       // wait 200ms
             // Set register address to config register (single send)
             I2CMasterSlaveAddrSet(I2C0_BASE, 0x44, false);
             I2CMasterDataPut(I2C0_BASE, 0x01);                          // configurate register
             I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_SINGLE_SEND);
             SysCtlDelay(500);                                           // wait 500

             SysCtlDelay(100000);
             // Read content (2x8 bit) of selected register
             I2CMasterSlaveAddrSet(I2C0_BASE, 0x44, true);
             // receive the data back (first byte)
             I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_BURST_RECEIVE_START);
             SysCtlDelay(500);                                           // wait 500

             /*buffer[0] = I2CMasterDataGet(I2C0_BASE);                    // read out first data byte*/

             // last data byte
             I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_BURST_RECEIVE_FINISH);
             SysCtlDelay(500);                                           // wait 500
             while(I2CMasterBusy(I2C0_BASE)){}                           // check if I2C is still busy

             //buffer[1] = I2CMasterDataGet(I2C0_BASE);                    // read out second data byte

             /*if ( buffer[1] & 0b10000000)                                // check if bit 7 has been set
             {
               break;
             }*/

            }
        }
    }

    // bit 7 is set
    I2CMasterSlaveAddrSet(I2C0_BASE, 0x44, false);
    I2CMasterDataPut(I2C0_BASE, 0x00);                                  // result register
    I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_SINGLE_SEND);
    SysCtlDelay(500);                                                   // wait 500
    while (I2CMasterBusy(I2C0_BASE)) {}                                 // check if I2C is still busy

    SysCtlDelay(100000);                                                // wait >20ms before read

    I2CMasterSlaveAddrSet(I2C0_BASE, 0x44, true);                       // Read content (2x8bit) of selected register
    I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_BURST_RECEIVE_START);    // Receive the first data back (first byte)
    SysCtlDelay(500);
    while (I2CMasterBusy(I2C0_BASE)) {}

    /*buffer[0] = I2CMasterDataGet(I2C0_BASE);                            // Read out first data byte */

    I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_BURST_RECEIVE_FINISH);
    SysCtlDelay(500);                                                    // wait 500
    while (I2CMasterBusy(I2C0_BASE)) {}                                  // check if I2C is still busy

    //buffer[1] = I2CMasterDataGet(I2C0_BASE);                            // Read out second data byte

    GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_0, 0x0);
    GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_1, 0x1);

    // Combine 2x8 bit data into 16 bit value
    /*ui16Result = buffer[0];
    ui16Result <<=8;
    ui16result |= buffer[1];
    ui16Exponent = (ui16Result >> 12) & 0x000F;
    ui16Result = ui16Result & 0x0FFF;

    // convert raw readings to LUX
    switch(ui16Exponent)
    {
        case 0:
            ui16Result = ui16Result>>6;
            break;
        case 1:
            ui16Result = ui16Result>>5;
            break;
        case 2:
            ui16Result = ui16Result>>4;
            break;
        case 3:
            ui16Result = ui16Result>>3;
            break;
        case 4:
            ui16Result = ui16Result>>2;
            break;
        case 5:
            ui16Result = ui16Result>>1;
            break;
        case 6:
            ui16Result = ui16Result;
            break;
        case 7:
            ui16Result = ui16Result<<1;
            break;
        case 8:
            ui16Result = ui16Result<<2;
            break;
        case 9:
            ui16Result = ui16Result<<3;
            break;
        case 10:
            ui16Result = ui16Result<<4;
            break;
        case 11:
            ui16Result = ui16Result<<5;
            break;
    } */
}