Arduino DMX master using RS485 click board

dmx_master.ino

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Project name: Arduino DMX master using RS485 click board
Project page: https://electronza.com/arduino-dmx-master-using-rs485-click-board/
Dependencies: https://sourceforge.net/projects/dmxlibraryforar/files/
********************************************************************/

/*
  Example code for using the Conceptinetics DMX library with RS485 click board from Mikroelectronika
  DMX fixture is a T-36 PAR from Eurolite
  CH1: Red
  CH2: Blue
  CH3: Green
  CH4: Dimming (global)
  CH5: Flash (0:10 - noflash, 11:255 - flash 0:100%)
  Ver.1.0, 7 July 2015
  http://microcontroller-projects.com

  Based on:
  Conceptinetics DMX library,
  Copyright (c) 2013 W.A. van der Meeren <danny@illogic.nl>.  All right reserved.
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 3 of the License, or (at your option) any later version.
  http://sourceforge.net/projects/dmxlibraryforar/files/
*/

// Be sure to download and install the library files :)
#include <Conceptinetics.h>

// The master will control 5 Channels (1-5)
//
// depending on the ammount of memory you have free you can choose
// to enlarge or schrink the ammount of channels (minimum is 1)
//
#define DMX_MASTER_CHANNELS 5

//
// Pin number to change read or write mode on the shield
// Need to be 5 if slot#1 is used, or 6 if using slot #2
// The switch on Click Shieeld should be set on Prog when programming the code,
// and on URAT
//
#define RXEN_PIN 6


// Configure a DMX master controller, the master controller
// will use the RXEN_PIN to control its write operation
// on the bus
DMX_Master        dmx_master ( DMX_MASTER_CHANNELS, RXEN_PIN );


// the setup routine runs once when you press reset:
void setup() {

  // Enable DMX master interface and start transmitting
  dmx_master.enable ();

  // I have to set first the dimmer channel to 100%
  dmx_master.setChannelValue (4 , 255);

  // 3 Seconds of red light;
  dmx_master.setChannelValue (1 , 255);
  dmx_master.setChannelValue (2 , 0);
  dmx_master.setChannelValue (3 , 0);
  delay(3000);
  // 3 Seconds of blue light;
  dmx_master.setChannelValue (1 , 0);
  dmx_master.setChannelValue (2 , 255);
  dmx_master.setChannelValue (3 , 0);
  delay(3000);
  // 3 Seconds of green light;
  dmx_master.setChannelValue (1 , 0);
  dmx_master.setChannelValue (2 , 0);
  dmx_master.setChannelValue (3 , 255);
  delay(3000);
  // 3 Seconds off;
  dmx_master.setChannelValue (1 , 0);
  dmx_master.setChannelValue (2 , 0);
  dmx_master.setChannelValue (3 , 0);
  delay(3000);

}

// the loop routine runs over and over again forever:
void loop()
{
  static int dimmer_val;
  // Keep fading channel 1 in from 0 to 100%
  for (int dimmer_val = 1; dimmer_val >= 255; dimmer_val++) {
  dmx_master.setChannelValue ( 1, dimmer_val);
  delay(100); // from 0 to 100% in about 2.5 seconds
  }
  // Now dimming channel 1 in from 100% to 0
  for (int dimmer_val = 254; dimmer_val >= 1; dimmer_val--) {
  dmx_master.setChannelValue ( 1, dimmer_val);
  delay(100); // from 0 to 100% in about 2.5 seconds
  }
}