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00001 /* Copyright (c) 2011, Make, Hack, Void Inc
00002  * All rights reserved.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *  * Redistributions of source code must retain the above copyright
00007  *    notice, this list of conditions and the following disclaimer.
00008  *  * Redistributions in binary form must reproduce the above copyright
00009  *    notice, this list of conditions and the following disclaimer in the
00010  *    documentation and/or other materials provided with the distribution.
00011  *  * Neither the name of the Make, Hack, Void nor the
00012  *    names of its contributors may be used to endorse or promote products
00013  *    derived from this software without specific prior written permission.
00014  *
00015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
00016  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00017  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00018  * DISCLAIMED. IN NO EVENT SHALL MAKE, HACK, VOID BE LIABLE FOR ANY
00019  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00020  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00021  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00022  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00023  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00024  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00025  */
00026 
00027 #ifndef MHV_WS2801_H_
00028 #define MHV_WS2801_H_
00029 
00030 #define MHV_RGB_ORDER 5
00031 #include <MHV_RGB.h>
00032 #include <MHV_GammaCorrect.h>
00033 
00034 // Squelch warnings about MHV_SHIFT_WRITECLOCK & MHV_SHIFT_WRITEDATA being undefined
00035 #ifndef MHV_SHIFT_WRITECLOCK
00036 #define MHV_SHIFT_WRITECLOCK
00037 #define MHV_SHIFT_WRITEDATA
00038 #endif
00039 #include <MHV_Shifter.h>
00040 
00048 #define MHV_WS2801_CREATE(__mhvObjectName,__mhvLength) \
00049         MHV_RGB __mhvObjectName ## _Buffer[__mhvLength]; \
00050         MHV_SHIFTER_CLOCKED_RISING_CREATE(__mhvObjectName ## _Shifter); \
00051         MHV_WS2801 __mhvObjectName(__mhvObjectName ## _Buffer, __mhvLength, __mhvObjectName ## _Shifter);
00052 
00053 class MHV_WS2801 {
00054 private:
00055         uint16_t                        _length;
00056         MHV_RGB                         *_data;
00057 
00058         MHV_Shifter                     &_shifter;
00059 
00060 public:
00061         MHV_WS2801(MHV_RGB buf[], uint16_t length, MHV_Shifter &shifter);
00062         void setPixel(uint16_t pixel, uint8_t red, uint8_t green, uint8_t blue);
00063         void setPixel(uint16_t pixel, MHV_RGB *value);
00064         void setAll(uint8_t red, uint8_t green, uint8_t blue);
00065         void setAll(MHV_RGB *value);
00066         void setPixelGamma(uint16_t pixel, uint8_t red, uint8_t green, uint8_t blue);
00067         void setPixelGamma(uint16_t pixel, MHV_RGB *value);
00068         void setAllGamma(uint8_t red, uint8_t green, uint8_t blue);
00069         void setAllGamma(MHV_RGB *value);
00070         void rotate(bool forwards);
00071         void flush();
00072 
00073 };
00074 
00075 #endif /* MHV_WS2801_H_ */