71 lines
2.5 KiB
Arduino
71 lines
2.5 KiB
Arduino
|
/********************************************************************************
|
||
|
|
* The MIT License (MIT)
|
||
|
|
*
|
||
|
|
* Copyright (c) 2015 Nis Wechselberg
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
* THE SOFTWARE.
|
||
|
|
********************************************************************************/
|
||
|
|
|
||
|
|
/********************************************************************************
|
||
|
|
* ESP8266-RGB-Autocycle
|
||
|
|
* Cycles an RGB LED Ribbon through all possible colors.
|
||
|
|
********************************************************************************/
|
||
|
|
|
||
|
|
// Configuration
|
||
|
|
const int redPin = 12;
|
||
|
|
const int greenPin = 13;
|
||
|
|
const int bluePin = 14;
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
// Start off with the LED off.
|
||
|
|
setColourRgb(0,0,0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
// Store pwm value for each color channel
|
||
|
|
unsigned int rgbColour[3];
|
||
|
|
|
||
|
|
// Start off with red
|
||
|
|
rgbColour[0] = 1023;
|
||
|
|
rgbColour[1] = 0;
|
||
|
|
rgbColour[2] = 0;
|
||
|
|
|
||
|
|
// Choose the colours to increment and decrement.
|
||
|
|
for (int decColour = 0; decColour < 3; decColour += 1) {
|
||
|
|
int incColour = decColour == 2 ? 0 : decColour + 1;
|
||
|
|
|
||
|
|
// cross-fade the two colours.
|
||
|
|
for(int i = 0; i < 1023; i += 1) {
|
||
|
|
rgbColour[decColour] -= 1;
|
||
|
|
rgbColour[incColour] += 1;
|
||
|
|
|
||
|
|
setColourRgb(rgbColour[0], rgbColour[1], rgbColour[2]);
|
||
|
|
delay(5);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Helper function to set the RGB value
|
||
|
|
void setColourRgb(unsigned int red, unsigned int green, unsigned int blue) {
|
||
|
|
analogWrite(redPin, red);
|
||
|
|
analogWrite(greenPin, green);
|
||
|
|
analogWrite(bluePin, blue);
|
||
|
|
}
|
||
|
|
|