70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
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/*
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Copyright (C) 2012 Paulo Marques (pjp.marques@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Library for controlling a chain of RGB LEDs based on the P9813 protocol.
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* E.g., supports the Grove Chainable RGB LED product.
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*
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* Information about the P9813 protocol obtained from:
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* http://www.seeedstudio.com/wiki/index.php?title=Twig_-_Chainable_RGB_LED
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*/
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#ifndef __ChainableLED_h__
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#define __ChainableLED_h__
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#if defined (SPARK)
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#include "application.h"
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#else
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#include "Arduino.h"
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#endif
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#define _CL_RED 0
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#define _CL_GREEN 1
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#define _CL_BLUE 2
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#define _CLK_PULSE_DELAY 20
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class ChainableLED
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{
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public:
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ChainableLED(byte clk_pin, byte data_pin, byte number_of_leds);
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~ChainableLED();
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void init();
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void setColorRGB(byte led, byte red, byte green, byte blue);
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void setColorHSB(byte led, float hue, float saturation, float brightness);
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private:
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byte _clk_pin;
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byte _data_pin;
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byte _num_leds;
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byte* _led_state;
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void clk(void);
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void sendByte(byte b);
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void sendColor(byte red, byte green, byte blue);
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};
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#endif
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