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 #ifndef MHV_DISPLAY_HOLTEK_HT1632_H_ 00027 #define MHV_DISPLAY_HOLTEK_HT1632_H_ 00028 00029 #include <MHV_Display_Monochrome.h> 00030 00031 #define MHV_HT1632_BRIGHTNESS_MIN 0 00032 #define MHV_HT1632_BRIGHTNESS_MED 7 00033 #define MHV_HT1632_BRIGHTNESS_MAX 15 00034 00035 enum mhv_ht1632_command { 00036 MHV_HT1632_COMMAND_READ = 0b110, 00037 MHV_HT1632_COMMAND_WRITE = 0b101, 00038 MHV_HT1632_COMMAND_CMD = 0b100 00039 }; 00040 typedef enum mhv_ht1632_command MHV_HT1632_COMMAND; 00041 00042 enum mhv_ht1632_mode { 00043 MHV_HT1632_NMOS_32x8 = 0b00, 00044 MHV_HT1632_NMOS_24x16 = 0b01, 00045 MHV_HT1632_PMOS_32x8 = 0b10, 00046 MHV_HT1632_PMOS_24x16 = 0b11 00047 }; 00048 typedef mhv_ht1632_mode MHV_HT1632_MODE; 00049 00050 class MHV_Display_Holtek_HT1632 : public MHV_Display_Monochrome 00051 { 00052 private: 00053 volatile uint8_t *_port; 00054 // Masks on the port 00055 uint8_t _data; 00056 uint8_t _write; 00057 // The bits for the pins (used for the SHIFTER macros) 00058 uint8_t _dataPin; 00059 uint8_t _writePin; 00060 void (*_csCallback)(uint8_t x, uint8_t y, bool active); 00061 MHV_HT1632_MODE _mode; 00062 uint8_t _arrayX; 00063 uint8_t _arrayY; 00064 uint8_t _displayX; 00065 uint8_t _displayY; 00066 uint8_t _displayBytes; 00067 uint8_t *_frameBuffer; 00068 00069 void writeData(uint8_t data, uint8_t length); 00070 void sendCommand(uint8_t moduleX, uint8_t moduleY, MHV_HT1632_COMMAND command); 00071 void commandComplete(uint8_t moduleX, uint8_t moduleY); 00072 void outputStart(uint8_t moduleX, uint8_t moduleY); 00073 void master(uint8_t moduleX, uint8_t moduleY); 00074 void slave(uint8_t moduleX, uint8_t moduleY); 00075 void brightness(uint8_t moduleX, uint8_t moduleY, uint8_t brightness); 00076 void poweroff(uint8_t moduleX, uint8_t moduleY); 00077 void poweron(uint8_t moduleX, uint8_t moduleY); 00078 void setMode(uint8_t moduleX, uint8_t moduleY, MHV_HT1632_MODE mode); 00079 00080 public: 00081 MHV_Display_Holtek_HT1632( 00082 volatile uint8_t *dataDir, volatile uint8_t *dataOut, volatile uint8_t *dataIn, 00083 uint8_t dataPin, int8_t dataPinchangeInterrupt, 00084 volatile uint8_t *writeDir, volatile uint8_t *writeOut, volatile uint8_t *writeIn, 00085 uint8_t writePin, int8_t writePinchangeInterrupt, 00086 MHV_HT1632_MODE mode, 00087 uint8_t arrayX, uint8_t arrayY, 00088 void (*csCallback)(uint8_t x, uint8_t y, bool active), 00089 uint8_t *frameBuffer, MHV_RingBuffer *txBuffers); 00090 void brightness(uint8_t brightness); 00091 void poweroff(); 00092 void poweron(); 00093 void flush(); 00094 00095 // Implements MHV_Display_Monochrome 00096 void setPixel(uint16_t row, uint16_t col, uint8_t value); 00097 uint8_t getPixel(uint16_t row, uint16_t col); 00098 00099 }; 00100 00101 #endif /* MHV_DISPLAY_HOLTEK_HT1632_H_ */