David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

GraphicsDisplay.cpp@23:a50ded45dbaf, 2014-01-15 (annotated)

Committer:
WiredHome
Date:
Wed Jan 15 12:24:54 2014 +0000
Revision:
23:a50ded45dbaf
Parent:
19:3f82c1161fd2
Child:
29:422616aa04bd
Some improvements to text APIs, and migration of the test code into the library (behind a #ifdef).

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:de9d1462a835 1 /* mbed GraphicsDisplay Display Library Base Class
dreschpe 0:de9d1462a835 2 * Copyright (c) 2007-2009 sford
dreschpe 0:de9d1462a835 3 * Released under the MIT License: http://mbed.org/license/mit
dreschpe 0:de9d1462a835 4 */
WiredHome 19:3f82c1161fd2 5
dreschpe 0:de9d1462a835 6 #include "GraphicsDisplay.h"
dreschpe 0:de9d1462a835 7
dreschpe 0:de9d1462a835 8 const unsigned char FONT8x8[97][8] = {
WiredHome 19:3f82c1161fd2 9 0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
WiredHome 19:3f82c1161fd2 10 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
WiredHome 19:3f82c1161fd2 11 0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
WiredHome 19:3f82c1161fd2 12 0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
WiredHome 19:3f82c1161fd2 13 0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
WiredHome 19:3f82c1161fd2 14 0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
WiredHome 19:3f82c1161fd2 15 0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
WiredHome 19:3f82c1161fd2 16 0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
WiredHome 19:3f82c1161fd2 17 0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
WiredHome 19:3f82c1161fd2 18 0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
WiredHome 19:3f82c1161fd2 19 0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
WiredHome 19:3f82c1161fd2 20 0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
WiredHome 19:3f82c1161fd2 21 0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
WiredHome 19:3f82c1161fd2 22 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
WiredHome 19:3f82c1161fd2 23 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
WiredHome 19:3f82c1161fd2 24 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
WiredHome 19:3f82c1161fd2 25 0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
WiredHome 19:3f82c1161fd2 26 0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
WiredHome 19:3f82c1161fd2 27 0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
WiredHome 19:3f82c1161fd2 28 0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
WiredHome 19:3f82c1161fd2 29 0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
WiredHome 19:3f82c1161fd2 30 0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
WiredHome 19:3f82c1161fd2 31 0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
WiredHome 19:3f82c1161fd2 32 0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
WiredHome 19:3f82c1161fd2 33 0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
WiredHome 19:3f82c1161fd2 34 0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
WiredHome 19:3f82c1161fd2 35 0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
WiredHome 19:3f82c1161fd2 36 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
WiredHome 19:3f82c1161fd2 37 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
WiredHome 19:3f82c1161fd2 38 0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
WiredHome 19:3f82c1161fd2 39 0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
WiredHome 19:3f82c1161fd2 40 0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
WiredHome 19:3f82c1161fd2 41 0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
WiredHome 19:3f82c1161fd2 42 0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
WiredHome 19:3f82c1161fd2 43 0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
WiredHome 19:3f82c1161fd2 44 0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
WiredHome 19:3f82c1161fd2 45 0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
WiredHome 19:3f82c1161fd2 46 0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
WiredHome 19:3f82c1161fd2 47 0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
WiredHome 19:3f82c1161fd2 48 0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
WiredHome 19:3f82c1161fd2 49 0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
WiredHome 19:3f82c1161fd2 50 0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
WiredHome 19:3f82c1161fd2 51 0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
WiredHome 19:3f82c1161fd2 52 0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
WiredHome 19:3f82c1161fd2 53 0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
WiredHome 19:3f82c1161fd2 54 0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
WiredHome 19:3f82c1161fd2 55 0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
WiredHome 19:3f82c1161fd2 56 0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
WiredHome 19:3f82c1161fd2 57 0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
WiredHome 19:3f82c1161fd2 58 0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
WiredHome 19:3f82c1161fd2 59 0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
WiredHome 19:3f82c1161fd2 60 0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
WiredHome 19:3f82c1161fd2 61 0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
WiredHome 19:3f82c1161fd2 62 0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
WiredHome 19:3f82c1161fd2 63 0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
WiredHome 19:3f82c1161fd2 64 0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
WiredHome 19:3f82c1161fd2 65 0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
WiredHome 19:3f82c1161fd2 66 0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
WiredHome 19:3f82c1161fd2 67 0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
WiredHome 19:3f82c1161fd2 68 0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
WiredHome 19:3f82c1161fd2 69 0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
WiredHome 19:3f82c1161fd2 70 0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
WiredHome 19:3f82c1161fd2 71 0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
WiredHome 19:3f82c1161fd2 72 0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
WiredHome 19:3f82c1161fd2 73 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
WiredHome 19:3f82c1161fd2 74 0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
WiredHome 19:3f82c1161fd2 75 0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
WiredHome 19:3f82c1161fd2 76 0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
WiredHome 19:3f82c1161fd2 77 0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
WiredHome 19:3f82c1161fd2 78 0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
WiredHome 19:3f82c1161fd2 79 0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
WiredHome 19:3f82c1161fd2 80 0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
WiredHome 19:3f82c1161fd2 81 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
WiredHome 19:3f82c1161fd2 82 0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
WiredHome 19:3f82c1161fd2 83 0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
WiredHome 19:3f82c1161fd2 84 0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
WiredHome 19:3f82c1161fd2 85 0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
WiredHome 19:3f82c1161fd2 86 0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
WiredHome 19:3f82c1161fd2 87 0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
WiredHome 19:3f82c1161fd2 88 0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
WiredHome 19:3f82c1161fd2 89 0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
WiredHome 19:3f82c1161fd2 90 0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
WiredHome 19:3f82c1161fd2 91 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
WiredHome 19:3f82c1161fd2 92 0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
WiredHome 19:3f82c1161fd2 93 0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
WiredHome 19:3f82c1161fd2 94 0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
WiredHome 19:3f82c1161fd2 95 0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
WiredHome 19:3f82c1161fd2 96 0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
WiredHome 19:3f82c1161fd2 97 0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
WiredHome 19:3f82c1161fd2 98 0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
WiredHome 19:3f82c1161fd2 99 0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
WiredHome 19:3f82c1161fd2 100 0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
WiredHome 19:3f82c1161fd2 101 0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
WiredHome 19:3f82c1161fd2 102 0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
WiredHome 19:3f82c1161fd2 103 0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
WiredHome 19:3f82c1161fd2 104 0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
WiredHome 23:a50ded45dbaf 105 0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00 // DEL
WiredHome 23:a50ded45dbaf 106 };
WiredHome 23:a50ded45dbaf 107
WiredHome 19:3f82c1161fd2 108
WiredHome 19:3f82c1161fd2 109 GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name)
WiredHome 19:3f82c1161fd2 110 {
WiredHome 19:3f82c1161fd2 111 //foreground(0xFFFF);
WiredHome 19:3f82c1161fd2 112 //background(0x0000);
dreschpe 0:de9d1462a835 113 }
WiredHome 19:3f82c1161fd2 114
WiredHome 19:3f82c1161fd2 115
WiredHome 19:3f82c1161fd2 116 void GraphicsDisplay::character(int column, int row, int value)
WiredHome 19:3f82c1161fd2 117 {
dreschpe 0:de9d1462a835 118 blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
dreschpe 0:de9d1462a835 119 }
dreschpe 0:de9d1462a835 120
WiredHome 19:3f82c1161fd2 121
WiredHome 19:3f82c1161fd2 122 void GraphicsDisplay::window(unsigned int x,unsigned int y,unsigned int w,unsigned int h)
WiredHome 19:3f82c1161fd2 123 {
dreschpe 0:de9d1462a835 124 // current pixel location
dreschpe 0:de9d1462a835 125 _x = x;
dreschpe 0:de9d1462a835 126 _y = y;
dreschpe 0:de9d1462a835 127 // window settings
dreschpe 0:de9d1462a835 128 _x1 = x;
dreschpe 0:de9d1462a835 129 _x2 = x + w - 1;
dreschpe 0:de9d1462a835 130 _y1 = y;
dreschpe 0:de9d1462a835 131 _y2 = y + h - 1;
dreschpe 0:de9d1462a835 132 }
WiredHome 19:3f82c1161fd2 133
WiredHome 19:3f82c1161fd2 134 void GraphicsDisplay::putp(int colour)
WiredHome 19:3f82c1161fd2 135 {
dreschpe 0:de9d1462a835 136 // put pixel at current pixel location
dreschpe 0:de9d1462a835 137 pixel(_x, _y, colour);
dreschpe 0:de9d1462a835 138 // update pixel location based on window settings
dreschpe 0:de9d1462a835 139 _x++;
dreschpe 0:de9d1462a835 140 if(_x > _x2) {
dreschpe 0:de9d1462a835 141 _x = _x1;
dreschpe 0:de9d1462a835 142 _y++;
dreschpe 0:de9d1462a835 143 if(_y > _y2) {
dreschpe 0:de9d1462a835 144 _y = _y1;
dreschpe 0:de9d1462a835 145 }
dreschpe 0:de9d1462a835 146 }
dreschpe 0:de9d1462a835 147 }
dreschpe 0:de9d1462a835 148
WiredHome 19:3f82c1161fd2 149 void GraphicsDisplay::fill(int x, int y, int w, int h, int colour)
WiredHome 19:3f82c1161fd2 150 {
dreschpe 0:de9d1462a835 151 window(x, y, w, h);
dreschpe 0:de9d1462a835 152 for(int i=0; i<w*h; i++) {
dreschpe 0:de9d1462a835 153 putp(colour);
dreschpe 0:de9d1462a835 154 }
dreschpe 0:de9d1462a835 155 }
WiredHome 19:3f82c1161fd2 156
WiredHome 19:3f82c1161fd2 157 RetCode_t GraphicsDisplay::cls()
WiredHome 19:3f82c1161fd2 158 {
dreschpe 0:de9d1462a835 159 fill(0, 0, width(), height(), _background);
WiredHome 19:3f82c1161fd2 160 return noerror;
dreschpe 0:de9d1462a835 161 }
WiredHome 19:3f82c1161fd2 162
WiredHome 19:3f82c1161fd2 163 void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour)
WiredHome 19:3f82c1161fd2 164 {
dreschpe 0:de9d1462a835 165 window(x, y, w, h);
dreschpe 0:de9d1462a835 166 for(int i=0; i<w*h; i++) {
dreschpe 0:de9d1462a835 167 putp(colour[i]);
dreschpe 0:de9d1462a835 168 }
dreschpe 0:de9d1462a835 169 }
WiredHome 19:3f82c1161fd2 170
WiredHome 19:3f82c1161fd2 171 void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour)
WiredHome 19:3f82c1161fd2 172 {
dreschpe 0:de9d1462a835 173 window(x, y, w, h);
dreschpe 0:de9d1462a835 174 for(int i = 0; i < w*h; i++) {
dreschpe 0:de9d1462a835 175 char byte = colour[i >> 3];
dreschpe 0:de9d1462a835 176 int offset = i & 0x7;
dreschpe 0:de9d1462a835 177 int c = ((byte << offset) & 0x80) ? _foreground : _background;
dreschpe 0:de9d1462a835 178 putp(c);
dreschpe 0:de9d1462a835 179 }
WiredHome 19:3f82c1161fd2 180 _foreground = 0xFFFF;
WiredHome 19:3f82c1161fd2 181 printf("blitbit colors %d,%d\r\n", _foreground, _background);
dreschpe 0:de9d1462a835 182 }
dreschpe 0:de9d1462a835 183
WiredHome 19:3f82c1161fd2 184 int GraphicsDisplay::columns()
WiredHome 19:3f82c1161fd2 185 {
WiredHome 19:3f82c1161fd2 186 return width() / 8;
dreschpe 0:de9d1462a835 187 }
dreschpe 0:de9d1462a835 188
WiredHome 19:3f82c1161fd2 189 int GraphicsDisplay::rows()
WiredHome 19:3f82c1161fd2 190 {
WiredHome 19:3f82c1161fd2 191 return height() / 8;
WiredHome 19:3f82c1161fd2 192 }
WiredHome 19:3f82c1161fd2 193