Anders Hörnfeldt
128x64 grafical display with KS0107B and KS0108B controller
Display.cpp@1:1d06bc155ef3, 2010-02-10 (annotated)
- Committer:
- hornfeldt
- Date:
- Wed Feb 10 14:47:58 2010 +0000
- Revision:
- 1:1d06bc155ef3
- Parent:
- 0:45771b38d50d
- Child:
- 3:6c18ab81111c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| hornfeldt | 0:45771b38d50d | 1 | #include "Display.h" |
| hornfeldt | 1:1d06bc155ef3 | 2 | #include "font.h" |
| hornfeldt | 0:45771b38d50d | 3 | |
| hornfeldt | 0:45771b38d50d | 4 | Display::Display (PinName _RS, PinName _RW, PinName _E, PinName _CS1, PinName _CS2, PinName DB0, PinName DB1, PinName DB2, PinName DB3, PinName DB4, PinName DB5, PinName DB6, PinName DB7) |
| hornfeldt | 0:45771b38d50d | 5 | : DB(DB0,DB1,DB2,DB3,DB4,DB5,DB6,DB7), RS(_RS), RW(_RW), E(_E), CS1(_CS1), CS2(_CS2) { |
| hornfeldt | 0:45771b38d50d | 6 | DB.mode(PullNone); |
| hornfeldt | 0:45771b38d50d | 7 | E = 0; |
| hornfeldt | 0:45771b38d50d | 8 | SendCommand(0x3F, 4|8); |
| hornfeldt | 0:45771b38d50d | 9 | for (int c=0;c<128;c++) { |
| hornfeldt | 0:45771b38d50d | 10 | for (int r=0;r<8;r++) |
| hornfeldt | 0:45771b38d50d | 11 | { |
| hornfeldt | 0:45771b38d50d | 12 | write(r,c,0); |
| hornfeldt | 0:45771b38d50d | 13 | } |
| hornfeldt | 0:45771b38d50d | 14 | } |
| hornfeldt | 0:45771b38d50d | 15 | } |
| hornfeldt | 1:1d06bc155ef3 | 16 | DisplayTTY::DisplayTTY (Display *d, int _row, int _startY, int _numOfChars, int _numOfRows, int _charOffset, int _flags) |
| hornfeldt | 0:45771b38d50d | 17 | { |
| hornfeldt | 1:1d06bc155ef3 | 18 | kalle = d; |
| hornfeldt | 1:1d06bc155ef3 | 19 | row = _row; |
| hornfeldt | 1:1d06bc155ef3 | 20 | startY = _startY; |
| hornfeldt | 1:1d06bc155ef3 | 21 | numOfChars = _numOfChars; |
| hornfeldt | 1:1d06bc155ef3 | 22 | numOfRows = _numOfRows; |
| hornfeldt | 1:1d06bc155ef3 | 23 | charOffset = _charOffset; |
| hornfeldt | 1:1d06bc155ef3 | 24 | flags = _flags; |
| hornfeldt | 1:1d06bc155ef3 | 25 | CursPosY = 0; |
| hornfeldt | 1:1d06bc155ef3 | 26 | CursPosW = row; |
| hornfeldt | 1:1d06bc155ef3 | 27 | cls(); |
| hornfeldt | 0:45771b38d50d | 28 | } |
| hornfeldt | 0:45771b38d50d | 29 | int Display::SendCommand(unsigned int Command, int f) { |
| hornfeldt | 0:45771b38d50d | 30 | int value = 1; |
| hornfeldt | 0:45771b38d50d | 31 | E = 0; |
| hornfeldt | 0:45771b38d50d | 32 | RS = 0; |
| hornfeldt | 0:45771b38d50d | 33 | RW = 0; |
| hornfeldt | 0:45771b38d50d | 34 | CS1 = 0; |
| hornfeldt | 0:45771b38d50d | 35 | CS2 = 0; |
| hornfeldt | 0:45771b38d50d | 36 | if (f&1) |
| hornfeldt | 0:45771b38d50d | 37 | RS = 1; |
| hornfeldt | 0:45771b38d50d | 38 | if (f&2) |
| hornfeldt | 0:45771b38d50d | 39 | RW = 1; |
| hornfeldt | 0:45771b38d50d | 40 | if (f&4) |
| hornfeldt | 0:45771b38d50d | 41 | CS1 = 1; |
| hornfeldt | 0:45771b38d50d | 42 | if (f&8) |
| hornfeldt | 0:45771b38d50d | 43 | CS2 = 1; |
| hornfeldt | 1:1d06bc155ef3 | 44 | wait(0.0000003); // 300ns |
| hornfeldt | 0:45771b38d50d | 45 | E = 1; |
| hornfeldt | 0:45771b38d50d | 46 | if (f&2) |
| hornfeldt | 0:45771b38d50d | 47 | { |
| hornfeldt | 0:45771b38d50d | 48 | DB.input(); |
| hornfeldt | 1:1d06bc155ef3 | 49 | wait(0.0000003); |
| hornfeldt | 0:45771b38d50d | 50 | value = DB; |
| hornfeldt | 0:45771b38d50d | 51 | } |
| hornfeldt | 0:45771b38d50d | 52 | else |
| hornfeldt | 0:45771b38d50d | 53 | { |
| hornfeldt | 0:45771b38d50d | 54 | DB.output(); |
| hornfeldt | 0:45771b38d50d | 55 | DB = Command; |
| hornfeldt | 0:45771b38d50d | 56 | } |
| hornfeldt | 1:1d06bc155ef3 | 57 | wait(0.0000001); |
| hornfeldt | 0:45771b38d50d | 58 | E = 0; |
| hornfeldt | 0:45771b38d50d | 59 | return value; |
| hornfeldt | 0:45771b38d50d | 60 | } |
| hornfeldt | 0:45771b38d50d | 61 | |
| hornfeldt | 0:45771b38d50d | 62 | void Display::write (int page, int y, unsigned int data) { |
| hornfeldt | 0:45771b38d50d | 63 | int f = 0; |
| hornfeldt | 0:45771b38d50d | 64 | if (y<64) |
| hornfeldt | 0:45771b38d50d | 65 | f = 4; |
| hornfeldt | 0:45771b38d50d | 66 | else |
| hornfeldt | 0:45771b38d50d | 67 | f = 8; |
| hornfeldt | 0:45771b38d50d | 68 | CurCol = y; |
| hornfeldt | 0:45771b38d50d | 69 | SendCommand(0xB8+(page&0x07), f); |
| hornfeldt | 0:45771b38d50d | 70 | SendCommand(0x40+(y&0x3F),f); |
| hornfeldt | 0:45771b38d50d | 71 | SendCommand(data, f+1); |
| hornfeldt | 0:45771b38d50d | 72 | } |
| hornfeldt | 0:45771b38d50d | 73 | |
| hornfeldt | 1:1d06bc155ef3 | 74 | void Display::writec (int row, int Y, int c) { |
| hornfeldt | 0:45771b38d50d | 75 | if (c>31 && c<127) |
| hornfeldt | 0:45771b38d50d | 76 | { |
| hornfeldt | 1:1d06bc155ef3 | 77 | write(row,Y+0,font5x8[(c-32)*5+0]); |
| hornfeldt | 1:1d06bc155ef3 | 78 | write(row,Y+1,font5x8[(c-32)*5+1]); |
| hornfeldt | 1:1d06bc155ef3 | 79 | write(row,Y+2,font5x8[(c-32)*5+2]); |
| hornfeldt | 1:1d06bc155ef3 | 80 | write(row,Y+3,font5x8[(c-32)*5+3]); |
| hornfeldt | 1:1d06bc155ef3 | 81 | write(row,Y+4,font5x8[(c-32)*5+4]); |
| hornfeldt | 0:45771b38d50d | 82 | } |
| hornfeldt | 0:45771b38d50d | 83 | } |
| hornfeldt | 1:1d06bc155ef3 | 84 | int DisplayTTY::_putc (int c) |
| hornfeldt | 1:1d06bc155ef3 | 85 | { |
| hornfeldt | 1:1d06bc155ef3 | 86 | if (c == '\n') |
| hornfeldt | 1:1d06bc155ef3 | 87 | newline(); |
| hornfeldt | 1:1d06bc155ef3 | 88 | else |
| hornfeldt | 1:1d06bc155ef3 | 89 | { |
| hornfeldt | 1:1d06bc155ef3 | 90 | kalle->writec(CursPosW, startY+CursPosY*charOffset, c); |
| hornfeldt | 1:1d06bc155ef3 | 91 | |
| hornfeldt | 1:1d06bc155ef3 | 92 | if (++CursPosY>=numOfChars) |
| hornfeldt | 1:1d06bc155ef3 | 93 | newline(); |
| hornfeldt | 1:1d06bc155ef3 | 94 | } |
| hornfeldt | 1:1d06bc155ef3 | 95 | |
| hornfeldt | 1:1d06bc155ef3 | 96 | return 0; |
| hornfeldt | 1:1d06bc155ef3 | 97 | } |
| hornfeldt | 1:1d06bc155ef3 | 98 | int DisplayTTY::_getc() { |
| hornfeldt | 1:1d06bc155ef3 | 99 | return 0; |
| hornfeldt | 1:1d06bc155ef3 | 100 | } |
| hornfeldt | 1:1d06bc155ef3 | 101 | void DisplayTTY::newline() { |
| hornfeldt | 1:1d06bc155ef3 | 102 | CursPosY=0; |
| hornfeldt | 1:1d06bc155ef3 | 103 | if ((++CursPosW-row)>=numOfRows) |
| hornfeldt | 1:1d06bc155ef3 | 104 | { |
| hornfeldt | 1:1d06bc155ef3 | 105 | CursPosW = row; |
| hornfeldt | 1:1d06bc155ef3 | 106 | } |
| hornfeldt | 1:1d06bc155ef3 | 107 | } |
| hornfeldt | 1:1d06bc155ef3 | 108 | void DisplayTTY::cls() { |
| hornfeldt | 1:1d06bc155ef3 | 109 | CursPosY=0; |
| hornfeldt | 1:1d06bc155ef3 | 110 | CursPosW = row; |
| hornfeldt | 1:1d06bc155ef3 | 111 | for (int c=0;c<numOfChars*numOfRows;c++) |
| hornfeldt | 1:1d06bc155ef3 | 112 | { |
| hornfeldt | 1:1d06bc155ef3 | 113 | _putc(' '); |
| hornfeldt | 1:1d06bc155ef3 | 114 | } |
| hornfeldt | 1:1d06bc155ef3 | 115 | } |