Eric Wieser
/
Mystic_rose
MobileLCD.cpp
- Committer:
- EricWieser
- Date:
- 2009-09-01
- Revision:
- 0:05ffcf87fc7f
File content as of revision 0:05ffcf87fc7f:
/* mbed Library - MobileLCD * Copyright (c) 2007, sford */ #include "MobileLCD.h" #include "mbed.h" using namespace mbed; MobileLCD::MobileLCD(int mosi, int miso, int clk, int cs, int rst) : _spi(mosi, miso, clk) , _rst(rst) , _cs(cs) { _row = 0; _column = 0; _rows = 16; _columns = 16; _width = 130; _height = 130; foreground(0x00FFFFFF); background(0x00000000); reset(); } void MobileLCD::reset() { _cs = 1; _rst = 0; _spi.format(9); _spi.frequency(5000000); wait(0.001); _rst = 1; wait(0.001); _select(); command(0xCA); // display control data(0); data(32); data(0); command(0xBB); data(1); command(0xD1); // oscillator on command(0x94); // sleep out command(0x20); // power control data(0x0F); command(0xA7); // invert display command(0x81); // Voltage control data(39); // contrast setting: 0..63 data(3); // resistance ratio wait(0.001); orientation(); // clear screen, including surrounding border _window(0, 0, 130, 130); for(int i=0; i<130*130; i++) { _putp(0x000000); } command(0xAF); // turn on the display _deselect(); } void MobileLCD::command(int value) { _spi.write(value & 0xFF); } void MobileLCD::data(int value) { _spi.write(value | 0x100); } void MobileLCD::_select() { _cs = 0; } void MobileLCD::_deselect() { _cs = 1; } void MobileLCD::_window(int x, int y, int width, int height) { int x1, x2, y1, y2; switch(0) { //_rotation) { default: case 0: x1 = x + 2; y1 = y + 0; x2 = x1 + width - 1; y2 = y1 + height - 1; break; case 1: x1 = y + 1; y1 = x + 1; x2 = x1 + height - 1; y2 = y1 + width - 1; break; case 2: x1 = x + 1; y1 = y + 3; x2 = x1 + width - 1; y2 = y1 + height - 1; break; case 3: x1 = y + 3; y1 = x + 3; x2 = x1 + height - 1; y2 = y1 + width - 1; break; } command(0x15); // column data(x1); data(x2); command(0x75); // page data(y1); data(y2); command(0x5C); // start write to ram } void MobileLCD::_putp(int colour) { int gr = ((colour >> 20) & 0x0F) | ((colour >> 8 ) & 0xF0); int nb = ((colour >> 4 ) & 0x0F); data(nb); data(gr); } void MobileLCD::orientation() { int m; switch(0) { //_rotation) { case 0: default: m = 3; break; case 2: m = 0; break; case 1: m = 5; break; case 3: m = 6; break; } command(0xBC); // data control data(m); // scan dirs data(1); // RGB data(4); // grayscale } const unsigned char FONT8x8[97][8] = { 0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20 0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // ! 0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // " 0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // # 0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $ 0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // % 0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // & 0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // ' 0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // ( 0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // ) 0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // * 0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // + 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // , 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // - 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // . 0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash) 0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30 0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1 0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2 0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3 0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4 0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5 0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6 0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7 0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8 0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // : 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ; 0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // < 0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // = 0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // > 0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ? 0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40 0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A 0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B 0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C 0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D 0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E 0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F 0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G 0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H 0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I 0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J 0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K 0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L 0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M 0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N 0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O 0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50 0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q 0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R 0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S 0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T 0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U 0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V 0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W 0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X 0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y 0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z 0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [ 0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash) 0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ] 0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _ 0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60 0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a 0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b 0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c 0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d 0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e 0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g 0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h 0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i 0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j 0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k 0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l 0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m 0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n 0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o 0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q 0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r 0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s 0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t 0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u 0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v 0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w 0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x 0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y 0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z 0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // { 0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // | 0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // } 0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~ 0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL void MobileLCD::locate(int column, int row) { _row = row; _column = column; } void MobileLCD::newline() { _column = 0; _row++; if(_row >= _rows) { _row = 0; } } int MobileLCD::_putc(int value) { int x = _column * 8; // FIXME: Char sizes int y = _row * 8; bitblit(x + 1, y + 1, 8, 8, (char*)&(FONT8x8[value - 0x1F][0])); _column++; if(_column >= _columns) { _row++; _column = 0; } if(_row >= _rows) { _row = 0; } return value; } void MobileLCD::cls() { fill(0, 0, _width, _height, _background); _row = 0; _column = 0; } int MobileLCD::width() { return _width; } int MobileLCD::height() { return _height; } int MobileLCD::columns() { return _columns; } int MobileLCD::rows() { return _rows; } void MobileLCD::window(int x, int y, int width, int height) { _select(); _window(x, y, width, height); _deselect(); } void MobileLCD::putp(int colour) { _select(); _putp(colour); _deselect(); } void MobileLCD::pixel(int x, int y, int colour) { _select(); _window(x, y, 1, 1); _putp(colour); _deselect(); } void MobileLCD::fill(int x, int y, int width, int height, int colour) { _select(); _window(x, y, width, height); for(int i=0; i<width*height; i++) { _putp(colour); } _window(0, 0, _width, _height); _deselect(); } void MobileLCD::blit(int x, int y, int width, int height, const int* colour) { _select(); _window(x, y, width, height); for(int i=0; i<width*height; i++) { _putp(colour[i]); } _window(0, 0, _width, _height); _deselect(); } void MobileLCD::foreground(int v) { _foreground = v; } void MobileLCD::background(int v) { _background = v; } void MobileLCD::bitblit(int x, int y, int width, int height, const char* bitstream) { _select(); _window(x, y, width, height); for(int i=0; i<height*width; i++) { int byte = i / 8; int bit = i % 8; int colour = ((bitstream[byte] << bit) & 0x80) ? _foreground : _background; _putp(colour); } _window(0, 0, _width, _height); _deselect(); } #define SWAP(x, y) (x ^= y ^= x ^= y) void MobileLCD::line(int x1, int y1, int x2, int y2, int colour) { int Dx = x2 - x1; int Dy = y2 - y1; int steep = (abs(Dy) >= abs(Dx)); if (steep) { SWAP(x1, y1); SWAP(x2, y2); // recompute Dx, Dy after swap Dx = x2 - x1; Dy = y2 - y1; } int xstep = 1; if (Dx < 0) { xstep = -1; Dx = -Dx; } int ystep = 1; if (Dy < 0) { ystep = -1; Dy = -Dy; } int TwoDy = 2*Dy; int TwoDyTwoDx = TwoDy - 2*Dx; // 2*Dy - 2*Dx int E = TwoDy - Dx; //2*Dy - Dx int y = y1; int xDraw, yDraw; for (int x = x1; x != x2; x += xstep) { if (steep) { xDraw = y; yDraw = x; } else { xDraw = x; yDraw = y; } // plot pixel(xDraw, yDraw, colour); // next if (E > 0) { E += TwoDyTwoDx; //E += 2*Dy - 2*Dx; y = y + ystep; } else { E += TwoDy; //E += 2*Dy; } } }