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Last active October 18, 2018 02:05
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/*
DMX_Master.ino - Example code for using the Conceptinetics DMX library
Copyright (c) 2013 W.A. van der Meeren <[email protected]>. 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.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <Conceptinetics.h>
//
// CTC-DRA-10-R2 ISOLATED DMX-RDM SHIELD JUMPER INSTRUCTIONS
//
// Set !EN (right hand side) when uploading
// Set EN (left hand side) when running
// Or no jummper altogether and you can do all the things (in master mode)*
// and you will see the lights blink to the data being sent over the line!
//
// * This will only work if the RX-???? jummper is also unset.
//
// The number of channels the master will control
//
#define DMX_MASTER_CHANNELS 20
// The above depends on amount of memory you have avaliable
// Control data will always be sent to all 255 channels
// A default of the first 100 channels will fit on a typical UNO
// A minimum of 1 channel
//
// If you are controlling lights for example:
// Channel 1 is usualy dimmer
// Channel 2 is Red
// Channel 3 is Green
// Channel 4 is Blue
//
// A total of 4 channels!
//
// Pin number to change read or write mode on the shield
//
#define RXEN_PIN 2
//
// A little macro that takes a percentage and chnages it to 0-255
//
#define MAX_VALUE 255
#define PER_TO_VAL(percent) ((MAX_VALUE/100) * percent)
typedef enum DmxCh {
RED = 1,
GREEN = 2,
BLUE = 3
} DmxCh;
// 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();
// Set channel 1 -THRU- 50 -ALL TO- 50%
int startChannel = 1;
int endChannel = DMX_MASTER_CHANNELS;
int byteValue = PER_TO_VAL(50); // RGB all to 50%
///////////
// setChannelRange ( begin_channel, end_channel, byte_value );
///////////
dmx_master.setChannelRange ( startChannel, endChannel, byteValue );
}
// the loop routine runs over and over again forever:
void loop() {
// loop here
set_rgb_value(0, 255, 0, 255); // first lamp (addr 000)
set_rgb_value(1, 0, 255, 0 ); // Second lamp (addr 003)
}
void set_rgb_value(int lampNumber, int red, int green, int blue) {
int channelNumber = lampNumber * 3;
// Set each of the colors
dmx_master.setChannelValue(channelNumber + RED, red );
dmx_master.setChannelValue(channelNumber + GREEN, green);
dmx_master.setChannelValue(channelNumber + BLUE, blue );
}
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