DMX_receive_neopixel.ino

gistfile1.txt

#include <Conceptinetics.h>
#include <Adafruit_NeoPixel.h>
#define PIN        12 
#define NUMPIXELS 16 
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

//
// The slave device will use a block of 10 channels counting from
// its start address.
//
// If the start address is for example 56, then the channels kept
// by the dmx_slave object is channel 56-66
//
#define DMX_SLAVE_CHANNELS   10 

//
// Pin number to change read or write mode on the shield
// Uncomment the following line if you choose to control 
// read and write via a pin
//
// On the CTC-DRA-13-1 shield this will always be pin 2,
// if you are using other shields you should look it up 
// yourself
//
///// #define RXEN_PIN                2


// Configure a DMX slave controller
DMX_Slave dmx_slave ( DMX_SLAVE_CHANNELS );

// If you are using an IO pin to control the shields RXEN
// the use the following line instead
///// DMX_Slave dmx_slave ( DMX_SLAVE_CHANNELS , RXEN_PIN );

const int ledPin = 13;

// the setup routine runs once when you press reset:
void setup() {             
  
  // Enable DMX slave interface and start recording
  // DMX data
  dmx_slave.enable ();  
  
  // Set start address to 1, this is also the default setting
  // You can change this address at any time during the program
  dmx_slave.setStartAddress (1);
  
  // Set led pin as output pin
  pinMode ( ledPin, OUTPUT );

  pixels.begin();
  pixels.fill(150,0,0);
  pixels.show();
  delay(500);
  // pixels.clear();
}

// the loop routine runs over and over again forever:
void loop() 
{
  //
  // EXAMPLE DESCRIPTION
  //
  // If the first channel comes above 50% the led will switch on
  // and below 50% the led will be turned off
  
  // NOTE:
  // getChannelValue is relative to the configured startaddress
  if ( dmx_slave.getChannelValue (1) > 127 ) {
    digitalWrite ( ledPin, HIGH );
    pixels.fill(0, 150, 0);
    pixels.show();
    delay(100);
    
  }
  else {
    digitalWrite ( ledPin, LOW );
    pixels.fill(0,0,150);
    pixels.show();
    delay(100);
  }
  
}