Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.
Dependents: testUniGraphic_150217 maze_TFT_MMA8451Q TFT_test_frdm-kl25z TFT_test_NUCLEO-F411RE ... more
Inits/SSD1306.cpp
- Committer:
- dreschpe
- Date:
- 2015-02-22
- Revision:
- 12:9c8f3076347c
- Child:
- 13:d8c593fa7705
File content as of revision 12:9c8f3076347c:
/* mbed UniGraphic library - Device specific class * Copyright (c) 2015 Peter Drescher * Released under the MIT License: http://mbed.org/license/mit */ #include "Protocols.h" #include "SSD1306.h" ////////////////////////////////////////////////////////////////////////////////// // display settings /////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////// #define IC_X_SEGS 128 // UC1608 SEG has range 0-239 (239-0 if MX=1), check your datasheet, important for the orientation #define IC_Y_COMS 64 // UC1608 COM has range 0-127 (127-0 if MY=1), check your datasheet, important for the orientation #define SSD1306_SETCONTRAST 0x81 #define SSD1306_DISPLAYALLON_RESUME 0xA4 #define SSD1306_DISPLAYALLON 0xA5 #define SSD1306_NORMALDISPLAY 0xA6 #define SSD1306_INVERTDISPLAY 0xA7 #define SSD1306_DISPLAYOFF 0xAE #define SSD1306_DISPLAYON 0xAF #define SSD1306_SETDISPLAYOFFSET 0xD3 #define SSD1306_SETCOMPINS 0xDA #define SSD1306_SETVCOMDETECT 0xDB #define SSD1306_SETDISPLAYCLOCKDIV 0xD5 #define SSD1306_SETPRECHARGE 0xD9 #define SSD1306_SETMULTIPLEX 0xA8 #define SSD1306_SETLOWCOLUMN 0x00 #define SSD1306_SETHIGHCOLUMN 0x10 #define SSD1306_SETSTARTLINE 0x40 #define SSD1306_MEMORYMODE 0x20 #define SSD1306_COMSCANINC 0xC0 #define SSD1306_COMSCANDEC 0xC8 #define SSD1306_SEGREMAP 0xA0 #define SSD1306_CHARGEPUMP 0x8D SSD1306::SSD1306(proto_t displayproto, PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const char *name , unsigned int LCDSIZE_X, unsigned int LCDSIZE_Y) : LCD(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, IC_X_SEGS, IC_Y_COMS, name) { hw_reset(); BusEnable(true); init(); cls(); set_orientation(1); locate(0,0); } SSD1306::SSD1306(proto_t displayproto, int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const char *name, unsigned int LCDSIZE_X, unsigned int LCDSIZE_Y) : LCD(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, IC_X_SEGS, IC_Y_COMS, name) { hw_reset(); BusEnable(true); init(); cls(); set_orientation(1); locate(0,0); } // reset and init the lcd controller void SSD1306::init() { /* Start Initial Sequence ----------------------------------------------------*/ // wr_cmd8(0xE2); // sw reset wait_ms(15); wr_cmd8(SSD1306_DISPLAYOFF); wr_cmd8(SSD1306_SETDISPLAYCLOCKDIV); wr_cmd8(0x80); wr_cmd8(SSD1306_SETMULTIPLEX); wr_cmd8(63); wr_cmd8(SSD1306_SETDISPLAYOFFSET); wr_cmd8(0x0); wr_cmd8(SSD1306_SETSTARTLINE | 0x0); // line #0 wr_cmd8(SSD1306_CHARGEPUMP); wr_cmd8(0x14); // 0x10 wr_cmd8(SSD1306_MEMORYMODE); wr_cmd8(0x00); // 0x0 act like ks0108 wr_cmd8(SSD1306_SEGREMAP ); //| 0x1); wr_cmd8(SSD1306_COMSCANDEC); wr_cmd8(SSD1306_SETCOMPINS); wr_cmd8(0x12); // LCDSIZE_Y == 32 ? 0x02 : 0x12); wr_cmd8(SSD1306_SETCONTRAST); wr_cmd8(0xCF); // _rawHeight == 32 ? 0x8F : ((vccstate == SSD1306_EXTERNALVCC) ? 0x9F : 0xCF) ); wr_cmd8(SSD1306_SETPRECHARGE); wr_cmd8(0xF1); // : 0x22); wr_cmd8(SSD1306_SETVCOMDETECT); wr_cmd8(0x40); wr_cmd8(SSD1306_DISPLAYALLON_RESUME); //wr_cmd8(SSD1306_NORMALDISPLAY); wr_cmd8(SSD1306_INVERTDISPLAY); wr_cmd8(SSD1306_DISPLAYON); } //////////////////////////////////////////////////////////////////// // functions that overrides the standard ones implemented in LCD.cpp //////////////////////////////////////////////////////////////////// void SSD1306::mirrorXY(mirror_t mode) { switch (mode) { case(NONE): wr_cmd16(0xA0C0); break; case(X): wr_cmd16(0xA1C0); break; case(Y): wr_cmd16(0xA0C8); break; case(XY): wr_cmd16(0xA1C8); break; } } void SSD1306::set_contrast(int o) { contrast = o; wr_cmd16(0x8100|(o)); }