Revision 0:ff874f85ed33, committed 2010-06-09

Comitter:

simon

Date:

Wed Jun 09 08:02:04 2010 +0000

Child:

1:8f005b0dcfa7

Commit message:

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NokiaLCD.cpp	Wed Jun 09 08:02:04 2010 +0000
@@ -0,0 +1,367 @@
+/* mbed Nokia LCD Library
+ * Copyright (c) 2007-2010, sford
+ */
+
+#include "NokiaLCD.h"
+
+#include "mbed.h"
+
+#define NOKIALCD_ROWS 16
+#define NOKIALCD_COLS 16
+#define NOKIALCD_WIDTH 130
+#define NOKIALCD_HEIGHT 130
+#define NOKIALCD_FREQUENCY 5000000
+
+NokiaLCD::NokiaLCD(PinName mosi, PinName sclk, PinName cs, PinName rst, LCDType type)
+        : _spi(mosi, NC, sclk)
+        , _rst(rst)
+        , _cs(cs) {
+
+    _type = type;
+
+    _row = 0;
+    _column = 0;
+    _foreground = 0x00FFFFFF;
+    _background = 0x00000000;
+
+    reset();
+}
+
+void NokiaLCD::reset() {
+
+    // setup the SPI interface and bring display out of reset
+    _cs = 1;
+    _rst = 0;
+    _spi.format(9);
+    _spi.frequency(NOKIALCD_FREQUENCY);
+    wait_ms(1);
+    _rst = 1;
+    wait_ms(1);
+
+    _cs = 0;
+
+    switch (_type) {
+        case LCD6100:
+            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_ms(1);
+            command(0xBC);
+            data(0);
+            data(1);
+            data(4);
+            command(0xAF);  // turn on the display
+            break;
+            
+        case LCD6610:
+            command(0xCA);    // display control
+            data(0);
+            data(31);
+            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_ms(1);
+            command(0xBC);
+            data(0);
+            data(0);
+            data(2);
+            command(0xAF);  // turn on the display
+            break;
+            
+        case PCF8833:
+            command(0x11);  // sleep out
+            command(0x3A);  // column mode
+            data(0x05);
+            command(0x36);  // madctl
+            data(0x60);     // vertical RAM, flip x
+            command(0x25);  // setcon
+            data(0x30);// contrast 0x30
+            wait_ms(2);
+            command(0x29);//DISPON
+            command(0x03);//BSTRON
+            break;
+    }
+
+    _cs = 1;
+
+    cls();
+}
+
+void NokiaLCD::command(int value) {
+    _spi.write(value & 0xFF);
+}
+
+void NokiaLCD::data(int value) {
+    _spi.write(value | 0x100);
+}
+
+void NokiaLCD::_window(int x, int y, int width, int height) {
+    int x1 = x + 2;
+    int y1 = y + 0;
+    int x2 = x1 + width - 1;
+    int y2 = y1 + height - 1;
+
+    switch (_type) {
+        case LCD6100:
+        case LCD6610:
+            command(0x15); // column
+            data(x1);
+            data(x2);
+            command(0x75); // row
+            data(y1);
+            data(y2);
+            command(0x5C); // start write to ram
+            break;
+        case PCF8833:
+            command(0x2A);  // column
+            data(x1);
+            data(x2);
+            command(0x2B); // row
+            data(y1);
+            data(y2);
+            command(0x2C); // start write to ram
+            break;
+    }
+}
+
+void NokiaLCD::_putp(int colour) {
+    int gr = ((colour >> 20) & 0x0F)
+             | ((colour >> 8 ) & 0xF0);
+    int nb = ((colour >> 4 ) & 0x0F);
+    data(nb);
+    data(gr);
+}
+
+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 NokiaLCD::locate(int column, int row) {
+    _column = column;
+    _row = row;
+}
+
+void NokiaLCD::newline() {
+    _column = 0;
+    _row++;
+    if (_row >= _rows) {
+        _row = 0;
+    }
+}
+
+int NokiaLCD::_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 >= NOKIALCD_COLS) {
+        _row++;
+        _column = 0;
+    }
+
+    if (_row >= NOKIALCD_ROWS) {
+        _row = 0;
+    }
+
+    return value;
+}
+
+void NokiaLCD::cls() {
+    fill(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT, _background);
+    _row = 0;
+    _column = 0;
+}
+
+
+void NokiaLCD::window(int x, int y, int width, int height) {
+    _cs = 0;
+    _window(x, y, width, height);
+    _cs = 1;
+}
+
+void NokiaLCD::putp(int colour) {
+    _cs = 0;
+    _putp(colour);
+    _cs = 1;
+}
+
+void NokiaLCD::pixel(int x, int y, int colour) {
+    _cs = 0;
+    _window(x, y, 1, 1);
+    _putp(colour);
+    _cs = 1;
+}
+
+void NokiaLCD::fill(int x, int y, int width, int height, int colour) {
+    _cs = 0;
+    _window(x, y, width, height);
+    for (int i=0; i<width*height; i++) {
+        _putp(colour);
+    }
+    _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT);
+    _cs = 1;
+}
+
+void NokiaLCD::blit(int x, int y, int width, int height, const int* colour) {
+    _cs = 0;
+    _window(x, y, width, height);
+    for (int i=0; i<width*height; i++) {
+        _putp(colour[i]);
+    }
+    _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT);
+    _cs = 1;
+}
+
+void NokiaLCD::bitblit(int x, int y, int width, int height, const char* bitstream) {
+    _cs = 0;
+    _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);
+    _cs = 1;
+}
+
+void NokiaLCD::foreground(int c) {
+    _foreground = c;
+}
+
+void NokiaLCD::background(int c) {
+    _background = c;
+}
+
+int NokiaLCD::width() {
+    return NOKIALCD_WIDTH;
+}
+
+int NokiaLCD::height() {
+    return NOKIALCD_HEIGHT;
+}
+
+int NokiaLCD::columns() {
+    return NOKIALCD_COLS;
+}
+
+int NokiaLCD::rows() {
+    return NOKIALCD_ROWS;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NokiaLCD.h	Wed Jun 09 08:02:04 2010 +0000
@@ -0,0 +1,127 @@
+/* mbed NokiaLCD Library, for a 130x130 Nokia colour LCD
+ * Copyright (c) 2007-2010, sford
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_NOKIALCD_H
+#define MBED_NOKIALCD_H
+
+#include "mbed.h"
+
+/** An interface for the 130x130 Nokia Mobile phone screens
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "NokiaLCD.h"
+ *
+ * NokiaLCD lcd(p5, p7, p8, p9); // mosi, sclk, cs, rst
+ *
+ * int main() {
+ *     lcd.printf("Hello World!");
+ * }
+ */
+class NokiaLCD : public Stream {
+
+public:
+    /** LCD panel format */
+    enum LCDType {
+        LCD6100     /**< Nokia 6100, as found on sparkfun board (default) */
+        , LCD6610   /**< Nokia 6610, as found on olimex board */
+        , PCF8833
+    };
+
+    /** Create and Nokia LCD interface, using a SPI and two DigitalOut interfaces
+     *
+     * @param mosi SPI data out
+     * @param sclk SPI clock
+     * @param cs Chip Select (DigitalOut)
+     * @param rst Reset (DigitalOut)
+     * @param type The LCDType to select driver chip variants
+     */
+    NokiaLCD(PinName mosi, PinName sclk, PinName cs, PinName rst, LCDType type = LCD6100);
+
+#if DOXYGEN_ONLY
+    /** Write a character to the LCD
+     *
+     * @param c The character to write to the display
+     */
+    int putc(int c);
+
+    /** Write a formated string to the LCD
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formating the string.
+     */
+    int printf(const char* format, ...);
+#endif
+
+    /** Locate to a screen column and row
+     *
+     * @param column  The horizontal position from the left, indexed from 0
+     * @param row     The vertical position from the top, indexed from 0
+     */
+    void locate(int column, int row);
+
+    /** Clear the screen and locate to 0,0 */
+    void cls();
+
+    void pixel(int x, int y, int colour);
+    void fill(int x, int y, int width, int height, int colour);
+
+    void blit(int x, int y, int width, int height, const int* colour);
+    void bitblit(int x, int y, int width, int height, const char* bitstream);
+
+    int width();
+    int height();
+    int columns();
+    int rows();
+
+    void reset();
+
+    void foreground(int c);
+    void background(int c);
+
+
+protected:
+    virtual void _window(int x, int y, int width, int height);
+    virtual void _putp(int colour);
+
+    void command(int value);
+    void data(int value);
+
+    void newline();
+    virtual int _putc(int c);
+    virtual int _getc() {
+        return 0;
+    }
+    void putp(int v);
+    void window(int x, int y, int width, int height);
+
+    SPI _spi;
+    DigitalOut _rst;
+    DigitalOut _cs;
+
+    LCDType _type;
+    int _row, _column, _rows, _columns, _foreground, _background, _width, _height;
+};
+
+#endif
+
+