DesktopDefender Sketch for Arduino v1 + Schematics

firmware.c

/*

   +-------+-------+------+--------+------+-------+--------+        K BLACK
   | BLACK | WHITE | GREY | PURPLE | BLUE | GREEN | YELLOW |
   +---+---+--+----+--+---+-+------+--+---+---+---+----+---+        R RED
       +      +       +     +         +       +        +
       |      |       |     |         |       |        |            G GREEN
       +------|-----+-|-----|-+       |       |        |
            +-|-----|-|-----|-|-----+-|-----+-+        |
            | |     | |     | |     | |     |          |
            | |     | |     | |     | |     |          |
            | |     | |     | |     | |     |          |
            + + +   + + +   + + +   + + +   +   +------+
            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+---+-+
            |D 4  |  D 2  |  D 3  |  D 1  | C  NO |
            +-----+-------+-------+-------+-------+           +------------------------+
            |GND  I1   I2   I3    I4   VCC|R  K  G|           |BLUETOOTH MODULE        |
            +-----------------------------+-------+           +------------------------+
            | 4 RELAIS MODULE             |RELAY M|           |RTS RX TX VCC CTS GND   |
            +-+---+----+----+-----+----+--++--+--++           +----+--+--+-------+-----+
              +   +    +    +     +    +   +  +  +                 +  +  +       +
              |   |    |    |     |    |   |  |  |                 |  |  |       |
              |   |    |    |     |    +---+  |  |                 |  |  |       |
              |   |    |    |     |    |      |  |                 |  |  |       |
              +   +    +    +     +    +      +  +                 +  +  +       +
            +-+---+----+----+-----+----+------+--+-----------------+--+--+-------+-----+
            | GND D7   D6   D5    D4   5V   GND  D8                D3 D2 5V      GND   |
            |--------------------------------------------------------------------------|
            | ARDUINO                                                                  |
            +--------------------------------------------------------------------------+
*/

#include <SoftwareSerial.h>
int bluetoothTx = 2; // TX-O
int bluetoothRx = 3; // RX-I
SoftwareSerial bluetooth(bluetoothTx, bluetoothRx);

enum ePinMapping {
  Up = 4,
  Down = 5,
  Left = 6,
  Right = 7,
  Play = 8
};
int Period = 50;
int aPin = 0;

void setupBluetooth()
{
  bluetooth.begin(115200); // Default baud rate for bluetooth
  bluetooth.print("$$$"); // CMD mode
  delay(100); // Short delay, wait for the Mate to send back CMD
  bluetooth.println("U,9600,N"); // Temporarily Change the baudrate to 9600, no parity
  bluetooth.begin(9600);  // Start bluetooth serial at 9600
}

void setup()
{
  Serial.begin(9600);
  setupBluetooth();
  pinMode(Up, OUTPUT);
  pinMode(Down, OUTPUT);
  pinMode(Left, OUTPUT);
  pinMode(Right, OUTPUT);
  pinMode(Play, OUTPUT);
}

int commandToPin(const char iData)
{
  switch(iData)
  {
    case 'U': return Up;
    case 'D': return Down;
    case 'L': return Left;
    case 'R': return Right;
    case 'P': return Play;
    default: return 0;
  }
}

void activatePin(const int iPin)
{
  digitalWrite(iPin, HIGH);
  delay(Period);
  digitalWrite(iPin, LOW);
}

bool dataAvailable()
{
  //return (Serial.available() > 0);
  return (bluetooth.available() > 0);
}

char dataRead()
{
  //return Serial.read();
  return bluetooth.read();
}

void loop()
{
  // Receive data from serial port
  if(dataAvailable())
  {
    aPin = commandToPin(dataRead());
    if(aPin)
      activatePin(aPin);
  }
}