Paul Staron / HY-1_8TFT_ST7735

Chinese module HY-1.8 SPI TFT lcd Display library.

Dependencies:   BurstSPI

Dependents:   KL25Z_DCF77_HY-1_8LCD

Fork of HY-1_8TFT_ST7735 by Paul Staron

GraphicsDisplay.cpp@0:35a1964228b4, 2013-03-25 (annotated)

Committer:
star297
Date:
Mon Mar 25 22:46:23 2013 +0000
Revision:
0:35a1964228b4
Child:
2:26149011665e
1st version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
star297 0:35a1964228b4 1 // ST7735 8 Bit SPI Library
star297 0:35a1964228b4 2
star297 0:35a1964228b4 3 #include "GraphicsDisplay.h"
star297 0:35a1964228b4 4
star297 0:35a1964228b4 5 const unsigned char FONT8x8[97][8] = {
star297 0:35a1964228b4 6 0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
star297 0:35a1964228b4 7 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
star297 0:35a1964228b4 8 0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
star297 0:35a1964228b4 9 0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
star297 0:35a1964228b4 10 0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
star297 0:35a1964228b4 11 0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
star297 0:35a1964228b4 12 0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
star297 0:35a1964228b4 13 0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
star297 0:35a1964228b4 14 0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
star297 0:35a1964228b4 15 0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
star297 0:35a1964228b4 16 0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
star297 0:35a1964228b4 17 0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
star297 0:35a1964228b4 18 0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
star297 0:35a1964228b4 19 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
star297 0:35a1964228b4 20 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
star297 0:35a1964228b4 21 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
star297 0:35a1964228b4 22 0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
star297 0:35a1964228b4 23 0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
star297 0:35a1964228b4 24 0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
star297 0:35a1964228b4 25 0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
star297 0:35a1964228b4 26 0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
star297 0:35a1964228b4 27 0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
star297 0:35a1964228b4 28 0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
star297 0:35a1964228b4 29 0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
star297 0:35a1964228b4 30 0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
star297 0:35a1964228b4 31 0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
star297 0:35a1964228b4 32 0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
star297 0:35a1964228b4 33 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
star297 0:35a1964228b4 34 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
star297 0:35a1964228b4 35 0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
star297 0:35a1964228b4 36 0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
star297 0:35a1964228b4 37 0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
star297 0:35a1964228b4 38 0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
star297 0:35a1964228b4 39 0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
star297 0:35a1964228b4 40 0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
star297 0:35a1964228b4 41 0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
star297 0:35a1964228b4 42 0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
star297 0:35a1964228b4 43 0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
star297 0:35a1964228b4 44 0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
star297 0:35a1964228b4 45 0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
star297 0:35a1964228b4 46 0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
star297 0:35a1964228b4 47 0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
star297 0:35a1964228b4 48 0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
star297 0:35a1964228b4 49 0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
star297 0:35a1964228b4 50 0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
star297 0:35a1964228b4 51 0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
star297 0:35a1964228b4 52 0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
star297 0:35a1964228b4 53 0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
star297 0:35a1964228b4 54 0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
star297 0:35a1964228b4 55 0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
star297 0:35a1964228b4 56 0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
star297 0:35a1964228b4 57 0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
star297 0:35a1964228b4 58 0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
star297 0:35a1964228b4 59 0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
star297 0:35a1964228b4 60 0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
star297 0:35a1964228b4 61 0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
star297 0:35a1964228b4 62 0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
star297 0:35a1964228b4 63 0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
star297 0:35a1964228b4 64 0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
star297 0:35a1964228b4 65 0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
star297 0:35a1964228b4 66 0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
star297 0:35a1964228b4 67 0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
star297 0:35a1964228b4 68 0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
star297 0:35a1964228b4 69 0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
star297 0:35a1964228b4 70 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
star297 0:35a1964228b4 71 0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
star297 0:35a1964228b4 72 0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
star297 0:35a1964228b4 73 0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
star297 0:35a1964228b4 74 0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
star297 0:35a1964228b4 75 0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
star297 0:35a1964228b4 76 0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
star297 0:35a1964228b4 77 0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
star297 0:35a1964228b4 78 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
star297 0:35a1964228b4 79 0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
star297 0:35a1964228b4 80 0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
star297 0:35a1964228b4 81 0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
star297 0:35a1964228b4 82 0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
star297 0:35a1964228b4 83 0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
star297 0:35a1964228b4 84 0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
star297 0:35a1964228b4 85 0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
star297 0:35a1964228b4 86 0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
star297 0:35a1964228b4 87 0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
star297 0:35a1964228b4 88 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
star297 0:35a1964228b4 89 0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
star297 0:35a1964228b4 90 0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
star297 0:35a1964228b4 91 0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
star297 0:35a1964228b4 92 0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
star297 0:35a1964228b4 93 0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
star297 0:35a1964228b4 94 0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
star297 0:35a1964228b4 95 0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
star297 0:35a1964228b4 96 0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
star297 0:35a1964228b4 97 0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
star297 0:35a1964228b4 98 0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
star297 0:35a1964228b4 99 0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
star297 0:35a1964228b4 100 0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
star297 0:35a1964228b4 101 0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
star297 0:35a1964228b4 102 0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL
star297 0:35a1964228b4 103
star297 0:35a1964228b4 104 GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) {
star297 0:35a1964228b4 105 foreground(0xFFFF);
star297 0:35a1964228b4 106 background(0x0000);
star297 0:35a1964228b4 107 }
star297 0:35a1964228b4 108
star297 0:35a1964228b4 109 void GraphicsDisplay::character(int column, int row, int value) {
star297 0:35a1964228b4 110 blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
star297 0:35a1964228b4 111 }
star297 0:35a1964228b4 112
star297 0:35a1964228b4 113 void GraphicsDisplay::window(int x, int y, int w, int h) {
star297 0:35a1964228b4 114 // current pixel location
star297 0:35a1964228b4 115 _x = x;
star297 0:35a1964228b4 116 _y = y;
star297 0:35a1964228b4 117 // window settings
star297 0:35a1964228b4 118 _x1 = x;
star297 0:35a1964228b4 119 _x2 = x + w - 1;
star297 0:35a1964228b4 120 _y1 = y;
star297 0:35a1964228b4 121 _y2 = y + h - 1;
star297 0:35a1964228b4 122 }
star297 0:35a1964228b4 123
star297 0:35a1964228b4 124 void GraphicsDisplay::putp(int colour) {
star297 0:35a1964228b4 125 // put pixel at current pixel location
star297 0:35a1964228b4 126 pixel(_x, _y, colour);
star297 0:35a1964228b4 127 // update pixel location based on window settings
star297 0:35a1964228b4 128 _x++;
star297 0:35a1964228b4 129 if(_x > _x2) {
star297 0:35a1964228b4 130 _x = _x1;
star297 0:35a1964228b4 131 _y++;
star297 0:35a1964228b4 132 if(_y > _y2) {
star297 0:35a1964228b4 133 _y = _y1;
star297 0:35a1964228b4 134 }
star297 0:35a1964228b4 135 }
star297 0:35a1964228b4 136 }
star297 0:35a1964228b4 137
star297 0:35a1964228b4 138 void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) {
star297 0:35a1964228b4 139 window(x, y, w, h);
star297 0:35a1964228b4 140 for(int i=0; i<w*h; i++) {
star297 0:35a1964228b4 141 putp(colour);
star297 0:35a1964228b4 142 }
star297 0:35a1964228b4 143 }
star297 0:35a1964228b4 144
star297 0:35a1964228b4 145 void GraphicsDisplay::cls() {
star297 0:35a1964228b4 146 fill(0, 0, width(), height(), _background);
star297 0:35a1964228b4 147 }
star297 0:35a1964228b4 148
star297 0:35a1964228b4 149 void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) {
star297 0:35a1964228b4 150 window(x, y, w, h);
star297 0:35a1964228b4 151 for(int i=0; i<w*h; i++) {
star297 0:35a1964228b4 152 putp(colour[i]);
star297 0:35a1964228b4 153 }
star297 0:35a1964228b4 154 }
star297 0:35a1964228b4 155
star297 0:35a1964228b4 156 void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) {
star297 0:35a1964228b4 157 window(x, y, w, h);
star297 0:35a1964228b4 158 for(int i = 0; i < w*h; i++) {
star297 0:35a1964228b4 159 char byte = colour[i >> 3];
star297 0:35a1964228b4 160 int offset = i & 0x7;
star297 0:35a1964228b4 161 int c = ((byte << offset) & 0x80) ? _foreground : _background;
star297 0:35a1964228b4 162 putp(c);
star297 0:35a1964228b4 163 }
star297 0:35a1964228b4 164 }
star297 0:35a1964228b4 165
star297 0:35a1964228b4 166 int GraphicsDisplay::columns() {
star297 0:35a1964228b4 167 return width() / 8;
star297 0:35a1964228b4 168 }
star297 0:35a1964228b4 169
star297 0:35a1964228b4 170 int GraphicsDisplay::rows() {
star297 0:35a1964228b4 171 return height() / 8;
star297 0:35a1964228b4 172 }
star297 0:35a1964228b4 173