Arduino experiment to drive some DIODER from IKEA via OSC by using an Arduino and a small ruby script.
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#include <SPI.h> | |
#include <Dhcp.h> | |
#include <Dns.h> | |
#include <Ethernet.h> | |
#include <EthernetClient.h> | |
#include <EthernetServer.h> | |
#include <EthernetUdp.h> | |
#include <util.h> | |
// color swirl! connect an RGB LED to the PWM pins as indicated | |
// in the #defines | |
// public domain, enjoy! | |
#define REDPIN 5 | |
#define GREENPIN 6 | |
#define BLUEPIN 3 | |
#define FADESPEED 5 // make this higher to slow down | |
EthernetUDP Udp; | |
char packetBuffer[UDP_TX_PACKET_MAX_SIZE]; | |
void setup() { | |
byte mac[] = {1,2,3,4,5,6}; | |
int success = 0; | |
pinMode(REDPIN, OUTPUT); | |
pinMode(GREENPIN, OUTPUT); | |
pinMode(BLUEPIN, OUTPUT); | |
Serial.begin(9600); | |
success = Ethernet.begin(mac); | |
if (success) { | |
Serial.println("My IP address is:"); | |
Serial.println(Ethernet.localIP()); | |
} | |
Udp.begin(8888); | |
} | |
void loop() { | |
int packetSize = Udp.parsePacket(); | |
if(packetSize) | |
{ | |
IPAddress remote = Udp.remoteIP(); | |
// read the packet into packetBufffer | |
Udp.read(packetBuffer,UDP_TX_PACKET_MAX_SIZE); | |
if (packetBuffer[0] == 'S') { | |
analogWrite(REDPIN, (int)packetBuffer[1]); | |
analogWrite(GREENPIN, (int)packetBuffer[2]); | |
analogWrite(BLUEPIN, (int)packetBuffer[3]); | |
} | |
if (packetBuffer[0] == 'R') { | |
analogWrite(REDPIN, (int)packetBuffer[1]); | |
} | |
if (packetBuffer[0] == 'G') { | |
analogWrite(GREENPIN, (int)packetBuffer[1]); | |
} | |
if (packetBuffer[0] == 'B') { | |
analogWrite(BLUEPIN, (int)packetBuffer[1]); | |
} | |
} | |
} |
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#!/usr/bin/env ruby | |
require 'rubygems' | |
require 'socket' | |
require 'osc' | |
ip = ARGV[0] | |
HOST = '0.0.0.0' | |
PORT = 5000 | |
u2 = UDPSocket.new | |
u2.connect(ip, 8888) | |
s = OSC::UDPServer.new | |
s.bind HOST, PORT | |
s.add_method '/led/*', 'f' do |msg| | |
domain, port, host, ip = msg.source | |
color = msg.address.split("/").last | |
u2.send(color.upcase + (255 * msg.args[0]).to_i.chr, 0); | |
end | |
s.serve |
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