An interface to the Sparkfun Serial Graphic LCD, LCD-09351; and Graphic LCD Serial Backpack, LCD-09352. Derived class from Serial so that you can conveniently send text to the display with printf(), putc(), etc.
SerialGraphicLCD.cpp@3:dff460658aed, 2012-04-11 (annotated)
- Committer:
- shimniok
- Date:
- Wed Apr 11 07:13:52 2012 +0000
- Revision:
- 3:dff460658aed
- Parent:
- 2:84b78506add6
Updated to support both stock SFE firmware and summoningdark firmware
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
shimniok | 2:84b78506add6 | 1 | #include "SerialGraphicLCD.h" |
shimniok | 2:84b78506add6 | 2 | |
shimniok | 2:84b78506add6 | 3 | #define XSIZE 6 |
shimniok | 2:84b78506add6 | 4 | #define YSIZE 9 |
shimniok | 2:84b78506add6 | 5 | |
shimniok | 2:84b78506add6 | 6 | SerialGraphicLCD::SerialGraphicLCD(PinName tx, PinName rx): |
shimniok | 3:dff460658aed | 7 | Serial(tx, rx), _firmware(SFE_FW) |
shimniok | 3:dff460658aed | 8 | { |
shimniok | 3:dff460658aed | 9 | baud(115200); // default baud rate |
shimniok | 3:dff460658aed | 10 | resolution(LCD_128x64); // default resolution |
shimniok | 3:dff460658aed | 11 | } |
shimniok | 3:dff460658aed | 12 | |
shimniok | 3:dff460658aed | 13 | SerialGraphicLCD::SerialGraphicLCD(PinName tx, PinName rx, int firmware): |
shimniok | 3:dff460658aed | 14 | Serial(tx, rx), _firmware(firmware) |
shimniok | 2:84b78506add6 | 15 | { |
shimniok | 2:84b78506add6 | 16 | baud(115200); // default baud rate |
shimniok | 2:84b78506add6 | 17 | resolution(LCD_128x64); // default resolution |
shimniok | 2:84b78506add6 | 18 | } |
shimniok | 2:84b78506add6 | 19 | |
shimniok | 2:84b78506add6 | 20 | void SerialGraphicLCD::clear() { |
shimniok | 2:84b78506add6 | 21 | putc(0x7c); |
shimniok | 2:84b78506add6 | 22 | putc(0x00); |
shimniok | 2:84b78506add6 | 23 | } |
shimniok | 2:84b78506add6 | 24 | |
shimniok | 2:84b78506add6 | 25 | void SerialGraphicLCD::pos(int col, int row) { |
shimniok | 3:dff460658aed | 26 | if (_firmware == SD_FW) |
shimniok | 3:dff460658aed | 27 | posXY(XSIZE*col, (YSIZE*row)); |
shimniok | 3:dff460658aed | 28 | else if (_firmware == SFE_FW) |
shimniok | 3:dff460658aed | 29 | posXY(XSIZE*col, _yMax-(YSIZE*row)-1); |
shimniok | 2:84b78506add6 | 30 | } |
shimniok | 2:84b78506add6 | 31 | |
shimniok | 2:84b78506add6 | 32 | void SerialGraphicLCD::posXY(int x, int y) { |
shimniok | 2:84b78506add6 | 33 | putc(0x7c); |
shimniok | 2:84b78506add6 | 34 | putc(0x18); |
shimniok | 2:84b78506add6 | 35 | putc(x); |
shimniok | 2:84b78506add6 | 36 | putc(0x7c); |
shimniok | 2:84b78506add6 | 37 | putc(0x19); |
shimniok | 2:84b78506add6 | 38 | putc(y); |
shimniok | 2:84b78506add6 | 39 | } |
shimniok | 2:84b78506add6 | 40 | |
shimniok | 2:84b78506add6 | 41 | void SerialGraphicLCD::pixel(int x, int y, bool set) { |
shimniok | 2:84b78506add6 | 42 | putc(0x7c); |
shimniok | 2:84b78506add6 | 43 | putc(0x10); |
shimniok | 2:84b78506add6 | 44 | putc(x); |
shimniok | 2:84b78506add6 | 45 | putc(y); |
shimniok | 2:84b78506add6 | 46 | putc((set) ? 0x01 : 0x00); |
shimniok | 2:84b78506add6 | 47 | } |
shimniok | 2:84b78506add6 | 48 | |
shimniok | 2:84b78506add6 | 49 | void SerialGraphicLCD::line(int x1, int y1, int x2, int y2, bool set) { |
shimniok | 2:84b78506add6 | 50 | putc(0x7c); |
shimniok | 2:84b78506add6 | 51 | putc(0x0c); |
shimniok | 2:84b78506add6 | 52 | putc(x1); |
shimniok | 2:84b78506add6 | 53 | putc(y1); |
shimniok | 2:84b78506add6 | 54 | putc(x2); |
shimniok | 2:84b78506add6 | 55 | putc(y2); |
shimniok | 2:84b78506add6 | 56 | putc((set) ? 0x01 : 0x00); |
shimniok | 2:84b78506add6 | 57 | } |
shimniok | 2:84b78506add6 | 58 | |
shimniok | 2:84b78506add6 | 59 | void SerialGraphicLCD::circle(int x, int y, int r, bool set) { |
shimniok | 2:84b78506add6 | 60 | putc(0x7c); |
shimniok | 2:84b78506add6 | 61 | putc(0x03); |
shimniok | 2:84b78506add6 | 62 | putc(x); |
shimniok | 2:84b78506add6 | 63 | putc(y); |
shimniok | 2:84b78506add6 | 64 | putc(r); |
shimniok | 2:84b78506add6 | 65 | putc((set) ? 0x01 : 0x00); |
shimniok | 2:84b78506add6 | 66 | } |
shimniok | 2:84b78506add6 | 67 | |
shimniok | 2:84b78506add6 | 68 | // Unfortunately, the datasheet is incorrect; the box command |
shimniok | 2:84b78506add6 | 69 | // does not take a 5th parameter for draw/erase like the others |
shimniok | 2:84b78506add6 | 70 | void SerialGraphicLCD::rect(int x1, int y1, int x2, int y2) { |
shimniok | 2:84b78506add6 | 71 | putc(0x7c); |
shimniok | 2:84b78506add6 | 72 | putc(0x0f); |
shimniok | 2:84b78506add6 | 73 | putc(x1); |
shimniok | 2:84b78506add6 | 74 | putc(y1); |
shimniok | 2:84b78506add6 | 75 | putc(x2); |
shimniok | 2:84b78506add6 | 76 | putc(y2); |
shimniok | 2:84b78506add6 | 77 | } |
shimniok | 2:84b78506add6 | 78 | |
shimniok | 2:84b78506add6 | 79 | void SerialGraphicLCD::erase(int x1, int y1, int x2, int y2) { |
shimniok | 2:84b78506add6 | 80 | putc(0x7c); |
shimniok | 2:84b78506add6 | 81 | putc(0x05); |
shimniok | 2:84b78506add6 | 82 | putc(x1); |
shimniok | 2:84b78506add6 | 83 | putc(y1); |
shimniok | 2:84b78506add6 | 84 | putc(x2); |
shimniok | 2:84b78506add6 | 85 | putc(y2); |
shimniok | 2:84b78506add6 | 86 | } |
shimniok | 2:84b78506add6 | 87 | |
shimniok | 2:84b78506add6 | 88 | void SerialGraphicLCD::backlight(int i) { |
shimniok | 2:84b78506add6 | 89 | if (i >= 0 && i <= 100) { |
shimniok | 2:84b78506add6 | 90 | putc(0x7c); |
shimniok | 2:84b78506add6 | 91 | putc(0x02); |
shimniok | 2:84b78506add6 | 92 | putc(i); |
shimniok | 2:84b78506add6 | 93 | } |
shimniok | 2:84b78506add6 | 94 | } |
shimniok | 2:84b78506add6 | 95 | |
shimniok | 2:84b78506add6 | 96 | void SerialGraphicLCD::reverseMode() { |
shimniok | 2:84b78506add6 | 97 | putc(0x7c); |
shimniok | 2:84b78506add6 | 98 | putc(0x12); |
shimniok | 2:84b78506add6 | 99 | } |
shimniok | 2:84b78506add6 | 100 | |
shimniok | 2:84b78506add6 | 101 | void SerialGraphicLCD::resolution(int type) { |
shimniok | 2:84b78506add6 | 102 | switch (type) { |
shimniok | 2:84b78506add6 | 103 | case LCD_128x64 : |
shimniok | 2:84b78506add6 | 104 | resolution(128, 64); |
shimniok | 2:84b78506add6 | 105 | break; |
shimniok | 2:84b78506add6 | 106 | case LCD_160x128 : |
shimniok | 2:84b78506add6 | 107 | resolution(160, 128); |
shimniok | 2:84b78506add6 | 108 | break; |
shimniok | 2:84b78506add6 | 109 | } |
shimniok | 2:84b78506add6 | 110 | } |
shimniok | 2:84b78506add6 | 111 | |
shimniok | 2:84b78506add6 | 112 | void SerialGraphicLCD::resolution(int x, int y) { |
shimniok | 2:84b78506add6 | 113 | _xMax = x; |
shimniok | 2:84b78506add6 | 114 | _yMax = y; |
shimniok | 2:84b78506add6 | 115 | } |
shimniok | 2:84b78506add6 | 116 | |
shimniok | 2:84b78506add6 | 117 | |
shimniok | 2:84b78506add6 | 118 | void SerialGraphicLCD::lcdbaud(int b) { |
shimniok | 2:84b78506add6 | 119 | if (b > 0 && b < 7) { |
shimniok | 2:84b78506add6 | 120 | putc(0x7c); |
shimniok | 2:84b78506add6 | 121 | putc(0x07); |
shimniok | 2:84b78506add6 | 122 | putc(b+'0'); |
shimniok | 2:84b78506add6 | 123 | } |
shimniok | 2:84b78506add6 | 124 | } |