diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Colours.cpp | 86 | ||||
| -rw-r--r-- | src/Colours.h | 38 | ||||
| -rw-r--r-- | src/examples/hue_rotation/hue_rotation.ino | 27 | ||||
| -rw-r--r-- | src/examples/wtfpl-2.txt | 14 | ||||
| -rw-r--r-- | src/keywords.txt | 3 |
5 files changed, 168 insertions, 0 deletions
diff --git a/src/Colours.cpp b/src/Colours.cpp new file mode 100644 index 0000000..7ae49a2 --- /dev/null +++ b/src/Colours.cpp @@ -0,0 +1,86 @@ +/* + * Colours - library for managing the colours on RGB LEDs + * Copyright 2009, 2013 Elena Grandi + * + * This file is part of Colours. + * + * Colours 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. + * + * Colours 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 Colours. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "Arduino.h" +#include "Colours.h" + +Colours::Colours(int rPin,int gPin,int bPin) { + _initPINs(rPin,gPin,bPin); + _invert = false; +} + +Colours::Colours(int rPin,int gPin,int bPin,bool invert) { + _initPINs(rPin,gPin,bPin); + _invert = invert; +} + +void Colours::_initPINs(int rPin,int gPin,int bPin) { + _rPin = rPin; + _gPin = gPin; + _bPin = bPin; + pinMode(_rPin,OUTPUT); + pinMode(_gPin,OUTPUT); + pinMode(_bPin,OUTPUT); +} + +void Colours::writeRGB(unsigned char r,unsigned char g,unsigned char b) { + if (_invert) { + analogWrite(_rPin, 255-r); + analogWrite(_gPin, 255-g); + analogWrite(_bPin, 255-b); + } else { + analogWrite(_rPin, r); + analogWrite(_gPin, g); + analogWrite(_bPin, b); + } +} + +void Colours::writeHSV(unsigned int h,unsigned char s,unsigned char v) { + h = h % 360; + if (s==0) { + writeRGB(v,v,v); + } else { + unsigned int f,p,q,t; + f = 256*(h%60)/60; + p = v*(256-s)/256; + q = v*(256-f*s/256)/256; + t = v*(256-s*(256-f)/256)/256; + switch( (h/60) % 6 ) { + case 0: + writeRGB(v,t,p); + break; + case 1: + writeRGB(q,v,p); + break; + case 2: + writeRGB(p,v,t); + break; + case 3: + writeRGB(p,q,v); + break; + case 4: + writeRGB(t,p,v); + break; + case 5: + writeRGB(v,p,q); + break; + } + } +} diff --git a/src/Colours.h b/src/Colours.h new file mode 100644 index 0000000..421dfc9 --- /dev/null +++ b/src/Colours.h @@ -0,0 +1,38 @@ +/* + * Colours - library for managing the colours on RGB LEDs + * Copyright 2009, 2013 Elena Grandi + * + * This file is part of Colours. + * + * Colours 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. + * + * Colours 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 Colours. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef COLOURS_h +#define COLOURS_h + +#include "Arduino.h" + +class Colours { + public: + Colours(int rPin,int gPin,int bPin); + Colours(int rPin,int gPin,int bPin,bool invert); + void writeRGB(unsigned char r,unsigned char g,unsigned char b); + void writeHSV(unsigned int h,unsigned char s,unsigned char v); + private: + int _rPin,_gPin,_bPin; + bool _invert; + void _initPINs(int rPin,int gPin,int bPin); +}; + +#endif diff --git a/src/examples/hue_rotation/hue_rotation.ino b/src/examples/hue_rotation/hue_rotation.ino new file mode 100644 index 0000000..00a48d7 --- /dev/null +++ b/src/examples/hue_rotation/hue_rotation.ino @@ -0,0 +1,27 @@ +/* + * hue_rotation - Cycle an RGB LED through hue values. + * Copyright 2009, 2013 Elena Grandi + * + * This work is free. You can redistribute it and/or modify it under the + * terms of the Do What The Fuck You Want To Public License, Version 2, + * as published by Sam Hocevar. See the examples/wtfpl-2.txt file + * for more details. + */ + +#include <Colours.h> + +Colours colours(6,5,3); +// For common cathode RGB LEDs comment the line above and uncomment +// the one below. +//Colours colours(6,5,3,true); + +void setup() { +} + +void loop() { + int h; + for (h=0;h<360;h++) { + colours.writeHSV(h,255,255); + delay(50); + } +} diff --git a/src/examples/wtfpl-2.txt b/src/examples/wtfpl-2.txt new file mode 100644 index 0000000..ee7d6a5 --- /dev/null +++ b/src/examples/wtfpl-2.txt @@ -0,0 +1,14 @@ + DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+ Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+ DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. You just DO WHAT THE FUCK YOU WANT TO.
+
diff --git a/src/keywords.txt b/src/keywords.txt new file mode 100644 index 0000000..92dd91d --- /dev/null +++ b/src/keywords.txt @@ -0,0 +1,3 @@ +Colours KEYWORD1 +writeRGB KEYWORD2 +writeHSV KEYWORD2 |