Diff: LCD_11062.cpp

Revision:

0:99f53140ef2b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD_11062.cpp	Fri Jun 08 23:10:45 2012 +0000
@@ -0,0 +1,318 @@
+/* mbed Library - Sparkfun breakboard LCD_11062
+ * This is using the Philips PCF8833 controller
+ */
+
+#include "LCD_11062.h"
+
+#include "mbed.h"
+
+using namespace mbed;
+
+LCD_11062::LCD_11062(PinName mosi, PinName clk, PinName cs, PinName rst)
+        : _spi(mosi, NC, clk)
+        , _rst(rst)
+        , _cs(cs) {
+    _row       = 0;
+    _column    = 0;
+    _rows      = 16;
+    _columns   = 16;
+    _width     = 130;
+    _height    = 130;
+    _spifreq   = 80000000;
+    charwidth  = 8;
+    charheight = 8;
+    foreground(0x000000);
+    background(0xFFFF);
+    reset();
+}
+
+void LCD_11062::reset() {
+    long i;
+    _cs  = 1;
+    _rst = 0;
+    _spi.format(9);
+    _spi.frequency(_spifreq);
+    wait(0.020);
+    _rst = 1;
+    wait(0.020);
+    _select();
+    command(0x11); //SLEEPOUT
+    command(0x3A); //COLMOD
+    data(0x05);    //0x03 = 16bits-per-pixel 5:6:5 mode
+    command(0x36); //MADCTL
+    //data(0x60);  // 0x60 = mirror x, vertical RAM write
+    command(0x25); //SETCON
+    data(0x30);    // contrast 0x30
+    wait(0.002);
+    command(0x29); //DISPON
+    command(0x03); //BSTRON
+
+    command(0x2B); //Row Address Set
+    data(0);
+    data(131);
+
+    command(0x2A); //Column Address Set
+    data(0);
+    data(131);
+
+    command(0x2C); //RAMWR
+    //Clear RAM to black
+    for (i = 0; i < (131 * 131); i++) {
+        data(0);
+        data(0);
+    }
+    _deselect();
+}
+
+void LCD_11062::command(int value) {
+    _spi.write(value & 0xFF);
+}
+
+void LCD_11062::data(int value) {
+    _spi.write(value | 0x100);
+}
+
+void LCD_11062::_select() {
+    _spi.format(9);
+    _spi.frequency(_spifreq);
+    _cs = 0;
+}
+
+void LCD_11062::_deselect() {
+    _cs = 1;
+}
+
+void LCD_11062::_window(int x, int y, int width, int height) {
+    int x1, x2, y1, y2;
+    x1 = 130 - (x+width) + 1;
+    y1 = 130 - (y+height) + 1;
+    x2 = x1 + width - 1;
+    y2 = y1 + height - 1 ;
+    command(0x2A); //CASET column
+    data(x1);
+    data(x2);
+    command(0x2B); //PASET page
+    data(y1);
+    data(y2);
+    command(0x2C); //RAMWR start write to ram
+}
+
+void LCD_11062::_putp(int colour) {
+    int outcolor;
+    outcolor = (colour & 0xFF)>>3;
+    outcolor += (((colour>>8) & 0xFF)>>2)<<5;
+    outcolor += (((colour>>16) & 0xFF)>>3)<<11;
+    data((outcolor >> 8) & 0xFF);
+    data(outcolor & 0xFF);
+}
+
+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 LCD_11062::locate(int column, int row) {
+    _row = row;
+    _column = column;
+}
+
+void LCD_11062::newline() {
+    _column = 0;
+    _row++;
+    if (_row >= _rows) {
+        _row = 0;
+    }
+}
+
+int LCD_11062::_putc(int value) {
+    int x = _column * charwidth;  // FIXME: Char sizes
+    int y = _row * charheight;
+    bitblit(x+1 , y+1 , charwidth, charheight, (char*)&(FONT8x8[value - 0x1F][0]));
+    _column++;
+    if (_column >= _columns) {
+        _row++;
+        _column = 0;
+    }
+    if (_row >= _rows) {
+        _row = 0;
+    }
+    return value;
+}
+
+void LCD_11062::cls() {
+    fill(0, 0, _width, _height, _background);
+    _row = 0;
+    _column = 0;
+}
+
+int LCD_11062::width() {
+    return _width;
+}
+
+int LCD_11062::height() {
+    return _height;
+}
+
+int LCD_11062::columns() {
+    return _columns;
+}
+
+int LCD_11062::rows() {
+    return _rows;
+}
+
+void LCD_11062::window(int x, int y, int width, int height) {
+    _select();
+    _window(x, y, width, height);
+    _deselect();
+}
+
+void LCD_11062::putp(int colour) {
+    _select();
+    _putp(colour);
+    _deselect();
+}
+
+void LCD_11062::pixel(int x, int y, int colour) {
+    _select();
+    _window(x, y, 1, 1);
+    _putp(colour);
+    _deselect();
+}
+
+void LCD_11062::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 LCD_11062::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 LCD_11062::foreground(int v) {
+    _foreground = v;
+}
+
+void LCD_11062::background(int v) {
+    _background = v;
+}
+
+void LCD_11062::bitblit(int x, int y, int width, int height, const char* bitstream) {
+    int bytediv = (width*height)>>3;
+    _select();
+    _window(x, y, width, height);
+    for (int i=height*width-1; i>=0; i--) {
+        unsigned char byte = i / bytediv;
+        unsigned char bit = (i % width)/(width >> 3);
+        int colour = (((bitstream[byte] << bit) & 0x80) ? _foreground : _background);
+        _putp(colour);
+    }
+    _window(0, 0, _width, _height);
+    _deselect();
+}