NokiaLCD.h

00001 /* mbed NokiaLCD Library, for a 130x130 Nokia colour LCD
00002  * Copyright (c) 2007-2010, sford
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy
00005  * of this software and associated documentation files (the "Software"), to deal
00006  * in the Software without restriction, including without limitation the rights
00007  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008  * copies of the Software, and to permit persons to whom the Software is
00009  * furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included in
00012  * all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00020  * THE SOFTWARE.
00021  */
00022 
00023 #ifndef MBED_NOKIALCD_H
00024 #define MBED_NOKIALCD_H
00025 
00026 #include "mbed.h"
00027 
00028 /** An interface for the 130x130 Nokia Mobile phone screens
00029  *
00030  * @code
00031  * #include "mbed.h"
00032  * #include "NokiaLCD.h"
00033  *
00034  * NokiaLCD lcd(p5, p7, p8, p9); // mosi, sclk, cs, rst
00035  *
00036  * int main() {
00037  *     lcd.printf("Hello World!");
00038  * }
00039  */
00040 class NokiaLCD : public Stream {
00041 
00042 public:
00043     /** LCD panel format */
00044     enum LCDType {
00045         LCD6100     /**< Nokia 6100, as found on sparkfun board (default) */
00046         , LCD6610   /**< Nokia 6610, as found on olimex board */
00047         , LCD3300   /**< Nokia 3300, as found on aitendo */
00048         , PCF8833
00049     };
00050 
00051     /** Create and Nokia LCD interface, using a SPI and two DigitalOut interfaces
00052      *
00053      * @param mosi SPI data out
00054      * @param sclk SPI clock
00055      * @param cs Chip Select (DigitalOut)
00056      * @param rst Reset (DigitalOut)
00057      * @param type The LCDType to select driver chip variants
00058      */
00059     NokiaLCD(PinName mosi, PinName sclk, PinName cs, PinName rst, LCDType type = LCD3300);
00060 
00061 #if DOXYGEN_ONLY
00062     /** Write a character to the LCD
00063      *
00064      * @param c The character to write to the display
00065      */
00066     int putc(int c);
00067 
00068     /** Write a formated string to the LCD
00069      *
00070      * @param format A printf-style format string, followed by the
00071      *               variables to use in formating the string.
00072      */
00073     int printf(const char* format, ...);
00074 #endif
00075 
00076     /** Locate to a screen column and row
00077      *
00078      * @param column  The horizontal position from the left, indexed from 0
00079      * @param row     The vertical position from the top, indexed from 0
00080      */
00081     void locate(int column, int row);
00082 
00083     /** Clear the screen and locate to 0,0 */
00084     void cls();
00085 
00086     void pixel(int x, int y, int colour);
00087     void fill(int x, int y, int width, int height, int colour);
00088 
00089     void blit(int x, int y, int width, int height, const int* colour);
00090     void bitblit(int x, int y, int width, int height, const char* bitstream);
00091 
00092     int width();
00093     int height();
00094     int columns();
00095     int rows();
00096 
00097     void reset();
00098 
00099     void foreground(int c);
00100     void background(int c);
00101 
00102 protected:
00103     virtual void _window(int x, int y, int width, int height);
00104     virtual void _putp(int colour);
00105 
00106     void command(int value);
00107     void data(int value);
00108 
00109     void newline();
00110     virtual int _putc(int c);
00111     virtual int _getc() {
00112         return 0;
00113     }
00114     void putp(int v);
00115     void window(int x, int y, int width, int height);
00116 
00117     SPI _spi;
00118     DigitalOut _rst;
00119     DigitalOut _cs;
00120 
00121     LCDType _type;
00122     int _row, _column, _rows, _columns, _foreground, _background, _width, _height;
00123     
00124     unsigned int findface(unsigned short c);
00125 };
00126 
00127 #endif
00128 
00129