- ANALOG METER, initial offering - Emulation of an analog/mechanical meter using the SPI TFT display \"http://mbed.org/cookbook/SPI-driven-QVGA-TFT\" (touch not used) Meter takes an integer number from 0 - 100 and uses that number to position the meter\'s needle - An additional auto-scaling feature allows for + floating numbers from 0.0 - 10000.0 in \"NewfNumb\" Scaling is noted two ways a. Color of the meter body changes b. A text scale factor is displayed in the upper, right-hand corner, near the full scale reading Value of \"NewfNumb\" Meter_Body Scale_Factor < -0.0 Blue 0 0.1 - 9.9 Green x1 10.0 - 99.0 Yellow x10 100.0 - 999.0 Orange x100 1000.0 - 9990.0 Red x1k >= 10000.0 Red peg! - If NewfNumb is > 600.0, a flashing yellow warning message appears in the center of the meter movement - The date and time are displayed in the lower right corner of the display - The value of NewfNumb being shown in the movement is also displayed in the lower left coener of the display - A timer ISR automatically updates the meter\'s movement Other Stuff: - Additional demo test program, walks analog meter up and down through all auto scales by manipulating the value of NewfNumb - USB serial port used to dump a few messages. Not needed, set to 921600 BAUD - LED1 slowly gets brighter and dimmer as main loop runs - If for some reason, the \"MeterNumber\" int register ends up >100 or <0, a Purple display appears at 50% movement with a \"bad#\" scale factor - There is NO provision for setting the RTC. Note that TimeZone and DST are added to the RTC number

Dependencies:   mbed

Committer:
loopsva
Date:
Tue Jan 31 19:40:57 2012 +0000
Revision:
0:fc70640071d2
100

Who changed what in which revision?

UserRevisionLine numberNew contents of line
loopsva 0:fc70640071d2 1 /* mbed GraphicsDisplay Display Library Base Class
loopsva 0:fc70640071d2 2 * Copyright (c) 2007-2009 sford
loopsva 0:fc70640071d2 3 * Released under the MIT License: http://mbed.org/license/mit
loopsva 0:fc70640071d2 4 */
loopsva 0:fc70640071d2 5
loopsva 0:fc70640071d2 6 #include "GraphicsDisplay.h"
loopsva 0:fc70640071d2 7
loopsva 0:fc70640071d2 8 const unsigned char FONT8x8[97][8] = {
loopsva 0:fc70640071d2 9 0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
loopsva 0:fc70640071d2 10 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
loopsva 0:fc70640071d2 11 0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
loopsva 0:fc70640071d2 12 0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
loopsva 0:fc70640071d2 13 0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
loopsva 0:fc70640071d2 14 0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
loopsva 0:fc70640071d2 15 0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
loopsva 0:fc70640071d2 16 0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
loopsva 0:fc70640071d2 17 0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
loopsva 0:fc70640071d2 18 0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
loopsva 0:fc70640071d2 19 0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
loopsva 0:fc70640071d2 20 0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
loopsva 0:fc70640071d2 21 0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
loopsva 0:fc70640071d2 22 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
loopsva 0:fc70640071d2 23 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
loopsva 0:fc70640071d2 24 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
loopsva 0:fc70640071d2 25 0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
loopsva 0:fc70640071d2 26 0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
loopsva 0:fc70640071d2 27 0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
loopsva 0:fc70640071d2 28 0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
loopsva 0:fc70640071d2 29 0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
loopsva 0:fc70640071d2 30 0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
loopsva 0:fc70640071d2 31 0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
loopsva 0:fc70640071d2 32 0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
loopsva 0:fc70640071d2 33 0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
loopsva 0:fc70640071d2 34 0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
loopsva 0:fc70640071d2 35 0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
loopsva 0:fc70640071d2 36 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
loopsva 0:fc70640071d2 37 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
loopsva 0:fc70640071d2 38 0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
loopsva 0:fc70640071d2 39 0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
loopsva 0:fc70640071d2 40 0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
loopsva 0:fc70640071d2 41 0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
loopsva 0:fc70640071d2 42 0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
loopsva 0:fc70640071d2 43 0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
loopsva 0:fc70640071d2 44 0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
loopsva 0:fc70640071d2 45 0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
loopsva 0:fc70640071d2 46 0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
loopsva 0:fc70640071d2 47 0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
loopsva 0:fc70640071d2 48 0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
loopsva 0:fc70640071d2 49 0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
loopsva 0:fc70640071d2 50 0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
loopsva 0:fc70640071d2 51 0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
loopsva 0:fc70640071d2 52 0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
loopsva 0:fc70640071d2 53 0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
loopsva 0:fc70640071d2 54 0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
loopsva 0:fc70640071d2 55 0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
loopsva 0:fc70640071d2 56 0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
loopsva 0:fc70640071d2 57 0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
loopsva 0:fc70640071d2 58 0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
loopsva 0:fc70640071d2 59 0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
loopsva 0:fc70640071d2 60 0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
loopsva 0:fc70640071d2 61 0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
loopsva 0:fc70640071d2 62 0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
loopsva 0:fc70640071d2 63 0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
loopsva 0:fc70640071d2 64 0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
loopsva 0:fc70640071d2 65 0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
loopsva 0:fc70640071d2 66 0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
loopsva 0:fc70640071d2 67 0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
loopsva 0:fc70640071d2 68 0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
loopsva 0:fc70640071d2 69 0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
loopsva 0:fc70640071d2 70 0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
loopsva 0:fc70640071d2 71 0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
loopsva 0:fc70640071d2 72 0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
loopsva 0:fc70640071d2 73 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
loopsva 0:fc70640071d2 74 0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
loopsva 0:fc70640071d2 75 0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
loopsva 0:fc70640071d2 76 0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
loopsva 0:fc70640071d2 77 0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
loopsva 0:fc70640071d2 78 0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
loopsva 0:fc70640071d2 79 0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
loopsva 0:fc70640071d2 80 0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
loopsva 0:fc70640071d2 81 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
loopsva 0:fc70640071d2 82 0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
loopsva 0:fc70640071d2 83 0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
loopsva 0:fc70640071d2 84 0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
loopsva 0:fc70640071d2 85 0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
loopsva 0:fc70640071d2 86 0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
loopsva 0:fc70640071d2 87 0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
loopsva 0:fc70640071d2 88 0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
loopsva 0:fc70640071d2 89 0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
loopsva 0:fc70640071d2 90 0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
loopsva 0:fc70640071d2 91 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
loopsva 0:fc70640071d2 92 0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
loopsva 0:fc70640071d2 93 0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
loopsva 0:fc70640071d2 94 0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
loopsva 0:fc70640071d2 95 0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
loopsva 0:fc70640071d2 96 0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
loopsva 0:fc70640071d2 97 0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
loopsva 0:fc70640071d2 98 0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
loopsva 0:fc70640071d2 99 0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
loopsva 0:fc70640071d2 100 0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
loopsva 0:fc70640071d2 101 0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
loopsva 0:fc70640071d2 102 0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
loopsva 0:fc70640071d2 103 0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
loopsva 0:fc70640071d2 104 0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
loopsva 0:fc70640071d2 105 0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL
loopsva 0:fc70640071d2 106
loopsva 0:fc70640071d2 107 GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) {
loopsva 0:fc70640071d2 108 foreground(0xFFFF);
loopsva 0:fc70640071d2 109 background(0x0000);
loopsva 0:fc70640071d2 110 }
loopsva 0:fc70640071d2 111
loopsva 0:fc70640071d2 112 void GraphicsDisplay::character(int column, int row, int value) {
loopsva 0:fc70640071d2 113 blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
loopsva 0:fc70640071d2 114 }
loopsva 0:fc70640071d2 115
loopsva 0:fc70640071d2 116 void GraphicsDisplay::window(int x, int y, int w, int h) {
loopsva 0:fc70640071d2 117 // current pixel location
loopsva 0:fc70640071d2 118 _x = x;
loopsva 0:fc70640071d2 119 _y = y;
loopsva 0:fc70640071d2 120 // window settings
loopsva 0:fc70640071d2 121 _x1 = x;
loopsva 0:fc70640071d2 122 _x2 = x + w - 1;
loopsva 0:fc70640071d2 123 _y1 = y;
loopsva 0:fc70640071d2 124 _y2 = y + h - 1;
loopsva 0:fc70640071d2 125 }
loopsva 0:fc70640071d2 126
loopsva 0:fc70640071d2 127 void GraphicsDisplay::putp(int colour) {
loopsva 0:fc70640071d2 128 // put pixel at current pixel location
loopsva 0:fc70640071d2 129 pixel(_x, _y, colour);
loopsva 0:fc70640071d2 130 // update pixel location based on window settings
loopsva 0:fc70640071d2 131 _x++;
loopsva 0:fc70640071d2 132 if(_x > _x2) {
loopsva 0:fc70640071d2 133 _x = _x1;
loopsva 0:fc70640071d2 134 _y++;
loopsva 0:fc70640071d2 135 if(_y > _y2) {
loopsva 0:fc70640071d2 136 _y = _y1;
loopsva 0:fc70640071d2 137 }
loopsva 0:fc70640071d2 138 }
loopsva 0:fc70640071d2 139 }
loopsva 0:fc70640071d2 140
loopsva 0:fc70640071d2 141 void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) {
loopsva 0:fc70640071d2 142 window(x, y, w, h);
loopsva 0:fc70640071d2 143 for(int i=0; i<w*h; i++) {
loopsva 0:fc70640071d2 144 putp(colour);
loopsva 0:fc70640071d2 145 }
loopsva 0:fc70640071d2 146 }
loopsva 0:fc70640071d2 147
loopsva 0:fc70640071d2 148 void GraphicsDisplay::cls() {
loopsva 0:fc70640071d2 149 fill(0, 0, width(), height(), _background);
loopsva 0:fc70640071d2 150 }
loopsva 0:fc70640071d2 151
loopsva 0:fc70640071d2 152 void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) {
loopsva 0:fc70640071d2 153 window(x, y, w, h);
loopsva 0:fc70640071d2 154 for(int i=0; i<w*h; i++) {
loopsva 0:fc70640071d2 155 putp(colour[i]);
loopsva 0:fc70640071d2 156 }
loopsva 0:fc70640071d2 157 }
loopsva 0:fc70640071d2 158
loopsva 0:fc70640071d2 159 void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) {
loopsva 0:fc70640071d2 160 window(x, y, w, h);
loopsva 0:fc70640071d2 161 for(int i = 0; i < w*h; i++) {
loopsva 0:fc70640071d2 162 char byte = colour[i >> 3];
loopsva 0:fc70640071d2 163 int offset = i & 0x7;
loopsva 0:fc70640071d2 164 int c = ((byte << offset) & 0x80) ? _foreground : _background;
loopsva 0:fc70640071d2 165 putp(c);
loopsva 0:fc70640071d2 166 }
loopsva 0:fc70640071d2 167 }
loopsva 0:fc70640071d2 168
loopsva 0:fc70640071d2 169 int GraphicsDisplay::columns() {
loopsva 0:fc70640071d2 170 return width() / 8;
loopsva 0:fc70640071d2 171 }
loopsva 0:fc70640071d2 172
loopsva 0:fc70640071d2 173 int GraphicsDisplay::rows() {
loopsva 0:fc70640071d2 174 return height() / 8;
loopsva 0:fc70640071d2 175 }
loopsva 0:fc70640071d2 176