MHVLib
20111011
An efficiency oriented runtime library for AVR microcontrollers
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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_PWMMATRIX_H_ 00028 #define MHV_PWMMATRIX_H_ 00029 00030 #include <inttypes.h> 00031 #include <MHV_Display_Monochrome_Buffered.h> 00032 00033 enum MHV_PWMMatrix_Mode { 00034 MHV_PWMMATRIX_MODE_AUTO, 00035 MHV_PWMMATRIX_MODE_ROWS, 00036 MHV_PWMMATRIX_MODE_COLS, 00037 MHV_PWMMATRIX_MODE_INDIVIDUAL 00038 }; 00039 typedef enum MHV_PWMMatrix_Mode MHV_PWMMATRIX_MODE; 00040 00041 class MHV_PWMMatrix : public MHV_Display_Monochrome_Buffered { 00042 private: 00043 uint16_t _currentRow; 00044 uint16_t _currentCol; 00045 uint8_t _currentLevel; 00046 MHV_PWMMATRIX_MODE _mode; 00047 void (*_rowOn)(uint16_t row); 00048 void (*_rowOff)(uint16_t row); 00049 void (*_colOn)(uint16_t column); 00050 void (*_colOff)(uint16_t column); 00051 00052 void tickRow(); 00053 void tickCol(); 00054 void tickPixel(); 00055 00056 public: 00057 MHV_PWMMatrix(uint16_t rowCount, uint16_t colCount, uint8_t *frameBuffer, MHV_RingBuffer *txBuffers, 00058 void (*rowOn)(uint16_t row), 00059 void (*rowOff)(uint16_t row), 00060 void (*colOn)(uint16_t column), 00061 void (*colOff)(uint16_t column), 00062 MHV_PWMMATRIX_MODE mode = MHV_PWMMATRIX_MODE_AUTO); 00063 void tick(); 00064 }; 00065 00066 #endif /* MHV_PWMMATRIX_H_ */