Code
/*************************************************************************************************************
* This code was put together to run Arduino Mega 2650 with Vixen 3
* Connect Arduino to PC via USB
*
* David (DaVaR) Sargent
* http://www.village4christmas.com/
* http://www.christmaslighthunt.com/
*
* Special Thanks to the following people who guided me to build this code.
*
* -Scott Shaver @
* http://doityourselfchristmas.com/forums/showthread.php?23956-Home-Brew-Lighting-System-Arduino-Mega-SainSmart-16-Channel-Relay-Board
*
* -wirenut1980@
* http://www.instructables.com/id/Arduino-Light-Display-With-Vixen/step7/The-arduino-code/
*
* NOTE * The PWM values that need to be sent to the relay board are reversed from the
* values comming in from Vixen. Vixen 0-255 (off-on), Relays 255-0 (off-on)
*************************************************************************************************************/
// Define which pins control which channels with Vixen 3 and Arduino Mega
#define CHAN01 22
#define CHAN02 23
#define CHAN03 24
#define CHAN04 25
#define CHAN05 26
#define CHAN06 27
#define CHAN07 28
#define CHAN08 29
#define CHAN09 30
#define CHAN10 31
#define CHAN11 32
#define CHAN12 33
#define CHAN13 34
#define CHAN14 35
#define CHAN15 36
#define CHAN16 37
#define CHAN17 38
#define CHAN18 39
#define CHAN19 40
#define CHAN20 41
#define CHAN21 42
#define CHAN22 43
#define CHAN23 44
#define CHAN24 45
#define CHAN25 46
#define CHAN26 47
#define CHAN27 48
#define CHAN28 49
#define CHAN29 50
#define CHAN30 51
#define CHAN31 52
#define CHAN32 53
int channels[] = {CHAN01,CHAN02,CHAN03,CHAN04,CHAN05,CHAN06,CHAN07,CHAN08,CHAN09,
CHAN10,CHAN11,CHAN12,CHAN13,CHAN14,CHAN15,CHAN16,CHAN17,CHAN18,CHAN19,CHAN20,
CHAN21,CHAN22,CHAN23,CHAN24,CHAN25,CHAN26,CHAN27,CHAN28,CHAN29,CHAN30,CHAN31,CHAN32};
// Total Channel Count
#define CHANNEL_COUNT 32
// Serial Speed
#define PC_COM_SPEED 9600
int i = 0;
int incomingByte[CHANNEL_COUNT];
void setup()
{
Serial.begin(PC_COM_SPEED);
// Set the channel pins to output mode
for(int channelIndex=0;channelIndex<CHANNEL_COUNT;channelIndex++){
pinMode(channels[channelIndex],OUTPUT);
}
powerOnSelfTest();
}
void loop()
{
if (Serial.available() >= CHANNEL_COUNT)
{
for (int i=0; i<CHANNEL_COUNT; i++)
{
incomingByte[i] = Serial.read();
}
digitalWrite(CHAN01, incomingByte[0]);
digitalWrite(CHAN02, incomingByte[1]);
digitalWrite(CHAN03, incomingByte[2]);
digitalWrite(CHAN04, incomingByte[3]);
digitalWrite(CHAN05, incomingByte[4]);
digitalWrite(CHAN06, incomingByte[5]);
digitalWrite(CHAN07, incomingByte[6]);
digitalWrite(CHAN08, incomingByte[7]);
digitalWrite(CHAN09, incomingByte[8]);
digitalWrite(CHAN10, incomingByte[9]);
digitalWrite(CHAN11, incomingByte[10]);
digitalWrite(CHAN12, incomingByte[11]);
digitalWrite(CHAN13, incomingByte[12]);
digitalWrite(CHAN14, incomingByte[13]);
digitalWrite(CHAN15, incomingByte[14]);
digitalWrite(CHAN16, incomingByte[15]);
digitalWrite(CHAN17, incomingByte[16]);
digitalWrite(CHAN18, incomingByte[17]);
digitalWrite(CHAN19, incomingByte[18]);
digitalWrite(CHAN20, incomingByte[19]);
digitalWrite(CHAN21, incomingByte[20]);
digitalWrite(CHAN22, incomingByte[21]);
digitalWrite(CHAN23, incomingByte[22]);
digitalWrite(CHAN24, incomingByte[23]);
digitalWrite(CHAN25, incomingByte[24]);
digitalWrite(CHAN26, incomingByte[25]);
digitalWrite(CHAN27, incomingByte[26]);
digitalWrite(CHAN28, incomingByte[27]);
digitalWrite(CHAN29, incomingByte[28]);
digitalWrite(CHAN30, incomingByte[29]);
digitalWrite(CHAN31, incomingByte[30]);
digitalWrite(CHAN32, incomingByte[31]);
}
}
void powerOnSelfTest()
{
Serial.println("Power on self test running.");
for(int channelIndex=0;channelIndex<CHANNEL_COUNT;channelIndex++){
Serial.print("Channel: ");
Serial.println(channelIndex+1,DEC);
analogWrite(channels[channelIndex], 255); // Turn ON relays one channel at a time
delay(100); // Wait .1 seconds
analogWrite(channels[channelIndex], 0);
}
turnAllLightsOn();
delay(1000);
turnAllLightsOff();
delay(1000);
turnAllLightsOn();
delay(2000);
turnAllLightsOff();
}
void turnAllLightsOn()
{
// Turn all Channels ON
for(int channelIndex=0;channelIndex<CHANNEL_COUNT;channelIndex++){
analogWrite(channels[channelIndex], 255);
}
}
void turnAllLightsOff()
{
// Turn all Channels OFF
for(int channelIndex=0;channelIndex<CHANNEL_COUNT;channelIndex++){
analogWrite(channels[channelIndex], 0);
}
}
