The file that is currently on an Arduino Uno with a serial number of 64935343333351504212

redpark.ino

// redpark cable example for Rsc_Demo that comes with redpark cable
// written by: Jimmy Chion | IDEO | 2012
// 
// hardware: 
//  redpark cable (19-pin iOS connector to RS-232 Serial) http://www.redpark.com/c2db9.html
//  RS232 shifter (to UART): http://www.sparkfun.com/products/449
//  Note: Don't forget that TX->RX and RX->TX
//

#define MAX_CHAR_TO_RX 30
#define TERMINATING_CHAR 10

char bufferArray[MAX_CHAR_TO_RX];

//-- initialization
//------------------------------------------------------------------
void setup() {
  Serial.begin(9600); //increase the baud rate if possible
}


//-- the loop
//------------------------------------------------------------------
void loop() {
  if(Serial.available() > 0) { //-- if there's something to read (num of bytes in buffer > 0)
    
    int incomingBytes = Serial.readBytesUntil(TERMINATING_CHAR, bufferArray, MAX_CHAR_TO_RX); //-- read it
   
    //-- do something with that message
    //-- in this example, I'm going to send it back to the iOS device in all caps
    String msg = String(bufferArray); //-- convert it to a String obj
    msg.toUpperCase(); //-- convert to upper case
    msg.trim(); //-- take out all the trailing whitespace
    if(msg.equalsIgnoreCase("hi")) { //--example of reacting
      Serial.println("Hello World!");
    }
    Serial.print("in CAPS: "); // -- use Serial.write() if you want to write bytes instead
    Serial.println(msg);

    flushBuffer(); //-- flush it
  }
}



//-- flush out the buffers
//------------------------------------------------------------------
void flushBuffer() {
  Serial.flush();  //-- flush the outgoing buffer
  for (int i = 0; i < MAX_CHAR_TO_RX; i++) { //-- flush the buffer array
    bufferArray[i] = NULL;
  }
}