Here is a very basic code for arduino that can get ya started.
Code:
/*
Vixen Lights 3.x - Arduino Generic Serial for Addressable Pixels
Using this code is pretty straight forward, simply hookup your one wire (WS2811 or WS2812) data line to pin 6 of your Arduino
and upload this code. Make sure you have properly installed the FastLED library from http://fastled.io Once you are done, simply
power your Pixel strips from an external power supply. Next configure a Generic Serial Controller inside of Vixen Lights 3.x and
add 3 x pixels for the number of channels. Configure the Generic Serial Controller to use 115200, 8, none, and 1. Then create
your element and add "Multiple Items (1 x number of pixels). Finally select your pixel elements and set them as RGB pixels before
patching them to the controler outputs. You should now be ready to begin testing.
For a complete tutorial check out blog.huntgang.com
Created November 8th, 2014
By Richard Sloan - www.themindfactory.com
And David Hunt - blog.huntgang.com
Version 1.4
*/
// You must download and install the library from http://fastled.io/
#include <FastLED.h>
// Sets the maximum number of LEDs that this code will handle to avoid running out of memory
#define NUM_LEDS 33
// Sets the pin which is used to connect to the LED pixel strip
#define DATA_PIN 6
CRGB leds[NUM_LEDS];
void setup() {
// Define the speed of the serial port
Serial.begin(115200);
}
void loop() {
// Set some counter / temporary storage variables
int cnt;
unsigned int num_leds;
unsigned int d1, d2, d3;
// Begin an endless loop to receive and process serial data
for(;;) {
// Set a counter to 0. This couter keeps track of the pixel colors received.
cnt = 0;
//Begin waiting for the header to be received on the serial bus
//1st character
while(!Serial.available());
if(Serial.read() != '>') {
continue;
}
//second character
while(!Serial.available());
if(Serial.read() != '>') {
continue;
}
//get the first digit from the serial bus for the number of pixels to be used
while(!Serial.available());
d1 = Serial.read();
//get the second digit from the serial bus for the number of pixels to be used
while(!Serial.available());
d2 = Serial.read();
//get the third digit from the serial bus for the number of pixels to be used
while(!Serial.available());
d3 = Serial.read();
//get the end of the header
while(!Serial.available());
if(Serial.read() != '<') {
continue;
}
while(!Serial.available());
if(Serial.read() != '<') {
continue;
}
// calculate the number of pixels based on the characters provided in the header digits
num_leds = (d1-'0')*100+(d2-'0')*10+(d3-'0');
// ensure the number of pixels does not exceed the number allowed
if(num_leds > NUM_LEDS) {
continue;
}
// Let the FastLED library know how many pixels we will be addressing
FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, num_leds);
// Loop through each of the pixels and read the values for each color
do {
while(!Serial.available());
leds[cnt].r = Serial.read();
while(!Serial.available());
leds[cnt].g = Serial.read();
while(!Serial.available());
leds[cnt++].b = Serial.read();
}
while(--num_leds);
// Tell the FastLED Library it is time to update the strip of pixels
FastLED.show();
// WOO HOO... We are all done and are ready to start over again!
}
}
Arduino and vixen 3 WS2811 Pixels Help
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