uLCD_4DGL.h

00001 //
00002 // uLCD_4DGL is a class to drive 4D Systems TFT touch screens
00003 //
00004 // Fork of 4DGL library for 4D Systems LCD displays
00005 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
00006 // Modifed for Goldelox processor <2013> Jim Hamblen
00007 //
00008 // uLCD_4DGL is free software: you can redistribute it and/or modify
00009 // it under the terms of the GNU General Public License as published by
00010 // the Free Software Foundation, either version 3 of the License, or
00011 // (at your option) any later version.
00012 //
00013 // uLCD_4DGL is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016 // GNU General Public License for more details.
00017 //
00018 // You should have received a copy of the GNU General Public License
00019 // along with uLCD_4DGL.  If not, see <http://www.gnu.org/licenses/>.
00020 
00021 // @author Stephane Rochon
00022 
00023 #include "mbed.h"
00024 #ifndef _uLCD
00025 #define _uLCD 0
00026 // Debug Verbose off - SGE commands echoed to USB serial for debugmode=1
00027 #ifndef DEBUGMODE
00028 #define DEBUGMODE 0
00029 #endif
00030 
00031 // Common WAIT value in milliseconds between commands
00032 #define TEMPO 0
00033 
00034 // 4DGL SGE Function values for Goldelox Processor
00035 #define CLS          '\xD7'
00036 #define BAUDRATE     '\x0B' //null prefix
00037 #define VERSION      '\x08' //null prefix
00038 #define BCKGDCOLOR   '\x6E'
00039 #define TXTBCKGDCOLOR '\x7E'
00040 #define DISPCONTROL  '\x68'
00041 #define SETVOLUME    '\x76'
00042 #define CIRCLE       '\xCD'
00043 #define FCIRCLE      '\xCC'
00044 #define TRIANGLE     '\xC9'
00045 #define LINE         '\xD2'
00046 #define FRECTANGLE   '\xCE'
00047 #define RECTANGLE    '\xCF'
00048 #define ELLIPSE      '\x65' //na
00049 #define PIXEL        '\xCB'
00050 #define READPIXEL    '\xCA'
00051 #define SCREENCOPY   '\x63'  //na?
00052 #define PENSIZE      '\xD8'
00053 #define SETFONT      '\x7D'
00054 #define TEXTMODE     '\x77'
00055 #define TEXTBOLD     '\x76'
00056 #define TEXTITALIC   '\x75'
00057 #define TEXTINVERSE  '\x74'
00058 #define TEXTUNDERLINE '\x73'
00059 #define TEXTWIDTH    '\x7C'
00060 #define TEXTHEIGHT   '\x7B'
00061 #define TEXTCHAR     '\xFE'
00062 #define TEXTSTRING   '\x06'  //null prefix
00063 #define MOVECURSOR   '\xE4'
00064 #define BLITCOM      '\x0A'
00065 #define PUTCHAR      '\xFE'
00066 #define DISPPOWER    '\x66'
00067 //media commands for uSD card
00068 #define MINIT        '\xB1'
00069 #define SBADDRESS    '\xB9'
00070 #define SSADDRESS    '\xB8'
00071 #define READBYTE     '\xB7'
00072 #define READWORD     '\xB6'
00073 #define WRITEBYTE    '\xB5'
00074 #define WRITEWORD    '\xB4'
00075 #define FLUSHMEDIA   '\xB2'
00076 #define DISPLAYIMAGE '\xB3'
00077 #define DISPLAYVIDEO '\xBB'
00078 #define DISPLAYFRAME '\xBA'
00079 
00080 
00081 
00082 // Screen answers
00083 #define ACK          '\x06'
00084 #define NAK          '\x15'
00085 
00086 
00087 
00088 // Screen states
00089 #define OFF          '\x00'
00090 #define ON           '\x01'
00091 
00092 // Graphics modes
00093 #define SOLID        '\x00'
00094 #define WIREFRAME    '\x01'
00095 
00096 // Text modes
00097 #define TRANSPARENT  '\x00'
00098 #define OPAQUE       '\x01'
00099 
00100 // Fonts Sizes
00101 #define FONT_7X8     '\x00' //only builtin font 
00102 #define FONT_5X7     '\x04'
00103 #define FONT_8X8     '\x01'
00104 #define FONT_8X12    '\x02'
00105 #define FONT_12X16   '\x03'
00106 #define MEDIAFONT    '\x07'
00107 
00108 
00109 // Data speed
00110 #define BAUD_110     27271
00111 #define BAUD_300     9999
00112 #define BAUD_600     4999
00113 #define BAUD_1200    2499
00114 #define BAUD_2400    1249
00115 #define BAUD_4800    624
00116 #define BAUD_9600    312
00117 #define BAUD_14400   207
00118 #define BAUD_19200   155
00119 #define BAUD_31250   95
00120 #define BAUD_38400   77
00121 #define BAUD_56000   53
00122 #define BAUD_57600   51
00123 #define BAUD_115200  25
00124 #define BAUD_128000  22
00125 #define BAUD_256000  11
00126 #define BAUD_300000  10
00127 #define BAUD_375000  8
00128 #define BAUD_500000  6
00129 #define BAUD_600000  4
00130 #define BAUD_750000  3
00131 #define BAUD_1000000 2
00132 #define BAUD_1500000 1
00133 #define BAUD_3000000 0
00134 
00135 // Defined Colors
00136 #define WHITE 0xFFFFFF
00137 #define BLACK 0x000000
00138 #define RED   0xFF0000
00139 #define GREEN 0x00FF00
00140 #define BLUE  0x0000FF
00141 #define LGREY 0xBFBFBF
00142 #define DGREY 0x5F5F5F
00143 
00144 // Mode data
00145 #define BACKLIGHT    '\x00'
00146 #define DISPLAY      '\x01'
00147 #define CONTRAST     '\x02'
00148 #define POWER        '\x03'
00149 #define ORIENTATION  '\x04'
00150 #define TOUCH_CTRL   '\x05'
00151 #define IMAGE_FORMAT '\x06'
00152 #define PROTECT_FAT  '\x08'
00153 
00154 // change this to your specific screen (newer versions) if needed
00155 // Startup orientation is PORTRAIT so SIZE_X must be lesser than SIZE_Y
00156 //uLCD144-G2 is a 128 by 128 pixel display
00157 #define SIZE_X       128
00158 #define SIZE_Y       128
00159 
00160 #define IS_LANDSCAPE 0
00161 #define IS_PORTRAIT  1
00162 
00163 // Screen orientation
00164 #define LANDSCAPE    '\x00'
00165 #define LANDSCAPE_R  '\x01'
00166 #define PORTRAIT     '\x02'
00167 #define PORTRAIT_R   '\x03'
00168 
00169 // Parameters
00170 #define ENABLE       '\x00'
00171 #define DISABLE      '\x01'
00172 #define RESET        '\x02'
00173 
00174 #define NEW          '\x00'
00175 #define OLD          '\x01'
00176 
00177 #define DOWN         '\x00'
00178 #define UP           '\x01'
00179 
00180 #define PROTECT      '\x00'
00181 #define UNPROTECT    '\x02'
00182 
00183 //**************************************************************************
00184 // \class uLCD_4DGL uLCD_4DGL.h
00185 // \brief This is the main class. It shoud be used like this : uLCD_4GDL myLCD(p9,p10,p11);
00186 /**
00187 Example:
00188 * @code
00189 * // Display a white circle on the screen
00190 * #include "mbed.h"
00191 * #include " uLCD_4DGL.h"
00192 *
00193 * uLCD_4GDL myLCD(p9,p10,p11);
00194 *
00195 * int main() {
00196 *     myLCD.circle(120, 160, 80, WHITE);
00197 * }
00198 * @endcode
00199 */
00200 
00201 class uLCD_4DGL : public Stream
00202 {
00203 
00204 public :
00205 
00206     uLCD_4DGL(PinName tx, PinName rx, PinName rst);
00207 
00208 // General Commands *******************************************************************************
00209 
00210     /** Clear the entire screen using the current background colour */
00211     void cls();
00212 
00213     /** Reset screen */
00214     void reset();
00215 
00216 
00217     /** Set serial Baud rate (both sides : screen and mbed)
00218     * @param Speed Correct BAUD value (see uLCD_4DGL.h)
00219     */
00220     void baudrate(int speed);
00221 
00222     /** Set background colour to the specified value
00223     * @param color in HEX RGB like 0xFF00FF
00224     */
00225     void background_color(int color);
00226 
00227     /** Set screen display mode to specific values
00228     * @param mode See 4DGL documentation
00229     * @param value See 4DGL documentation
00230     */
00231     void textbackground_color(int color);
00232 
00233     /** Set screen display mode to specific values
00234     * @param mode See 4DGL documentation
00235     * @param value See 4DGL documentation
00236     */
00237     void display_control(char mode);
00238     void display_power(char mode);
00239     /** Set internal speaker to specified value
00240     * @param value Correct range is 8 - 127
00241     */
00242     void set_volume(char value);
00243 
00244 // Graphics Commands *******************************************************************************
00245 
00246     /** Draw a circle centered at x,y with a radius and a colour. It uses Pen Size stored value to draw a solid or wireframe circle
00247     * @param x Horizontal position of the circle centre
00248     * @param y Vertical position of the circle centre
00249     * @param radius Radius of the circle
00250     * @param color Circle color in HEX RGB like 0xFF00FF
00251     */
00252     void circle(int x , int y , int radius, int color);
00253     void filled_circle(int x , int y , int radius, int color);
00254     void triangle(int, int, int, int, int, int, int);
00255     void line(int, int, int, int, int);
00256     void rectangle(int, int, int, int, int);
00257     void filled_rectangle(int, int, int, int, int);
00258     void pixel(int, int, int);
00259     int  read_pixel(int, int);
00260     void pen_size(char);
00261     void BLIT(int x, int y, int w, int h, int *colors);
00262 
00263 // Text Commands
00264     void set_font(char);
00265     void set_font_size(char width, char height);  
00266     void text_mode(char);
00267     void text_bold(char);
00268     void text_italic(char);
00269     void text_inverse(char);
00270     void text_underline(char);
00271     void text_width(char);
00272     void text_height(char);
00273     void text_char(char, char, char, int);
00274     void text_string(char *, char, char, char, int);
00275     void locate(char, char);
00276     void color(int);
00277     void putc(char);
00278     void puts(char *);
00279 
00280 //Media Commands
00281     int media_init();
00282     void set_byte_address(int, int);
00283     void set_sector_address(int, int);
00284     char read_byte();
00285     int  read_word();
00286     void write_byte(int);
00287     void write_word(int);
00288     void flush_media();
00289     void display_image(int, int);
00290     void display_video(int, int);
00291     void display_frame(int, int, int);
00292 
00293 // Screen Data
00294     int type;
00295     int revision;
00296     int firmware;
00297     int reserved1;
00298     int reserved2;
00299 
00300 // Text data
00301     char current_col;
00302     char current_row;
00303     int  current_color;
00304     char current_font;
00305     char current_orientation;
00306     char max_col;
00307     char max_row;
00308     int current_w, current_h;
00309     int current_fx, current_fy;
00310     int current_wf, current_hf;
00311 
00312 
00313 protected :
00314 
00315     Serial     _cmd;
00316     DigitalOut _rst;
00317     //used by printf
00318     virtual int _putc(int c) {
00319         putc(c);
00320         return 0;
00321     };
00322     virtual int _getc() {
00323         return -1;
00324     }
00325 
00326     void freeBUFFER  (void);
00327     void writeBYTE   (char);
00328     void writeBYTEfast   (char);
00329     int  writeCOMMAND(char *, int);
00330     int  writeCOMMANDnull(char *, int);
00331     int  readVERSION (char *, int);
00332     int  getSTATUS   (char *, int);
00333     int  version     (void);
00334 #if DEBUGMODE
00335     Serial pc;
00336 #endif // DEBUGMODE
00337 };
00338 
00339 typedef unsigned char BYTE;
00340 #endif
00341 
00342 
00343 
00344 
00345 
00346 
00347 
00348