/*I2C Master write code*/
/*List of the lubraries included in the project*************************************************/
#include <Wire.h>                                                           //Arduino library that enables I2C functionality
/*defining local variables that will be used in the program*************************************/
String readString;                                                          // defining the string
/*List of the variables that will be sent via I2C***********************************************/
byte I2C_OnOff;                                                             //defining the variable that will be sent
/*Setup loop************************************************************************************/
void setup() 
{
  Wire.begin();                                                             // join I2C bus (address here is optional for master)
  Serial.begin(9600);
  Serial.println("Type Red On to turn on the Red  LED and Red Off to shut it down!");    // Instruction text and check off what is loaded
}
/*Main loop**************************************************************************************/
void loop() 
{
  /*While that loops through input from the serialmonitor input and assembels them to the string***/ 
  while (Serial.available()) 
  {
    delay(2);                                                               // Delay that allows byte to arrive in input buffer
    char c = Serial.read();                                                 // Reads the char form serial monitor
    readString += c;                                                        // Add the char to the readString string
  }
  /************************************************************************************************/
  /*IF THEN ELSE that depending on the input text sets te value to I2C_OnOff***********************/
  if(readString == "Red On" or readString == "Red ON" or readString == "Red on")
  {
    I2C_OnOff = 1;
  }
  else if(readString == "Red Off" or readString == "Red OFF" or readString == "Red off")
  {
    I2C_OnOff = 0;
  }
  /*IF for printing out the users input************************************************************/
  /************************************************************************************************/
    if (readString.length() >0)                                             // while string lenght is not 0  
  {
    Serial.println(readString);                                             // prints out the user inputed string
    readString="";                                                          // deletes/empties the string
  }
  /*IF for printing out the users input************************************************************/
  /************************************************************************************************/
  Wire.beginTransmission(1);                                                // Oening the transmition chanel to device with the name 1                               
  Wire.write(I2C_OnOff);                                                    // Sending the desired information via I2C to the slave device
  Wire.endTransmission();                                                   // Closeing the transmition chanel
  /************************************************************************************************/
}