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Lorenz limit cycle - 2D nonlinear attractor
Revision 0:337717573fe7, committed 2011-02-08
- Comitter:
- JLS
- Date:
- Tue Feb 08 21:43:36 2011 +0000
- Commit message:
Changed in this revision
diff -r 000000000000 -r 337717573fe7 TFT_4DGL.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TFT_4DGL.h Tue Feb 08 21:43:36 2011 +0000 @@ -0,0 +1,249 @@ +// +// TFT_4DGL is a class to drive 4D Systems TFT touch screens +// +// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> +// +// TFT_4DGL is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// TFT_4DGL is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>. + +#include "mbed.h" + +#ifndef DEBUGMODE +//#define DEBUGMODE 1 +#endif + +// Common WAIT value in millisecond +#define TEMPO 1 + +// 4DGL Functions values +#define AUTOBAUD '\x55' +#define CLS '\x45' +#define BAUDRATE '\x51' +#define VERSION '\x56' +#define BCKGDCOLOR '\x42' +#define DISPCONTROL '\x59' +#define SETVOLUME '\x76' +#define CIRCLE '\x43' +#define TRIANGLE '\x47' +#define LINE '\x4C' +#define RECTANGLE '\x72' +#define ELLIPSE '\x65' +#define PIXEL '\x50' +#define READPIXEL '\x52' +#define SCREENCOPY '\x63' +#define PENSIZE '\x70' +#define SETFONT '\x46' +#define TEXTMODE '\x4F' +#define TEXTCHAR '\x54' +#define GRAPHCHAR '\x74' +#define TEXTSTRING '\x73' +#define GRAPHSTRING '\x53' +#define TEXTBUTTON '\x62' +#define GETTOUCH '\x6F' +#define WAITTOUCH '\x77' +#define SETTOUCH '\x75' + + +// Screen answers +#define ACK '\x06' +#define NAK '\x15' + +// Screen states +#define OFF '\x00' +#define ON '\x01' + +// Graphics modes +#define SOLID '\x00' +#define WIREFRAME '\x01' + +// Text modes +#define TRANSPARENT '\x00' +#define OPAQUE '\x01' + +// Fonts Sizes +#define FONT_5X7 '\x00' +#define FONT_8X8 '\x01' +#define FONT_8X12 '\x02' +#define FONT_12X16 '\x03' + +// Touch Values +#define WAIT '\x00' +#define PRESS '\x01' +#define RELEASE '\x02' +#define MOVE '\x03' +#define STATUS '\x04' +#define GETPOSITION '\x05' + +// Data speed +#define BAUD_110 '\x00' +#define BAUD_300 '\x01' +#define BAUD_600 '\x02' +#define BAUD_1200 '\x03' +#define BAUD_2400 '\x04' +#define BAUD_4800 '\x05' +#define BAUD_9600 '\x06' +#define BAUD_14400 '\x07' +#define BAUD_19200 '\x09' +#define BAUD_31250 '\x09' +#define BAUD_38400 '\x0A' +#define BAUD_56000 '\x0B' +#define BAUD_57600 '\x0C' +#define BAUD_115200 '\x0D' +#define BAUD_128000 '\x0E' +#define BAUD_256000 '\x0F' + +// Defined Colors +#define WHITE 0xFFFFFF +#define BLACK 0x000000 +//#define RED 0xFF0000 +#define GREEN 0x00FF00 +//#define BLUE 0x0000FF +#define LGREY 0xBFBFBF +#define DGREY 0x5F5F5F + +#define BLACK 0x000000 // Black 1 +#define CYAN 0x00ffff // Cyan 2 +#define RED 0xff0000 // Red 3 +#define DGREEN 0x00923f // Dark green 4 +#define ORANGE 0xffb400 // Orange 5 +#define GREY 0x969696 // Grey 6 +#define PINK 0xeea8a8 // Pink 7 +#define BROWN 0x996633 // Brown 8 +#define LGREEN 0x80ff80 // Light green 9 +#define BLUE 0x0000ff // Blue 10 +#define MAGENTA 0xff00ff // Magenta 11 +#define YELLOW 0xdddd00 // Yellow 12 + +// Mode data +#define BACKLIGHT '\x00' +#define DISPLAY '\x01' +#define CONTRAST '\x02' +#define POWER '\x03' +#define ORIENTATION '\x04' +#define TOUCH_CTRL '\x05' +#define IMAGE_FORMAT '\x06' +#define PROTECT_FAT '\x08' + +// change this to your specific screen (newer versions) if needed +// Startup orientation is PORTRAIT so SIZE_X must be lesser than SIZE_Y +#define SIZE_X 240 +#define SIZE_Y 320 + +#define IS_LANDSCAPE 0 +#define IS_PORTRAIT 1 + +// Screen orientation +#define LANDSCAPE '\x01' +#define LANDSCAPE_R '\x02' +#define PORTRAIT '\x03' +#define PORTRAIT_R '\x04' + +// Parameters +#define ENABLE '\x00' +#define DISABLE '\x01' +#define RESET '\x02' + +#define NEW '\x00' +#define OLD '\x01' + +#define DOWN '\x00' +#define UP '\x01' + +#define PROTECT '\x00' +#define UNPROTECT '\x02' + +//************************************************************************** +class TFT_4DGL { + +public : + + TFT_4DGL(PinName tx, PinName rx, PinName rst); + +// General Commands + void cls(); + void reset(); + void autobaud(); + void baudrate(long); + void background_color(int); + void display_control(char, char); + void set_volume(char); + +// Graphics Commands + void circle(int, int, int, int); + void triangle(int, int, int, int, int, int, int); + void line(int, int, int, int, int); + void rectangle(int, int, int, int, int); + void ellipse(int, int, int, int, int); + void pixel(int, int, int); + int read_pixel(int, int); + void screen_copy(int, int, int, int, int, int); + void pen_size(char); + void SD_Card_Wav(char[]); + void Set_Volume(char); + void uSD_FAT_Image(char[], int, int, long); + void uSD_Image(int, int, long); + void uSD_Video(int, int, long); + +// Texts Commands + void set_font(char); + void text_mode(char); + void text_char(char, char, char, int); + void graphic_char(char, int, int, int, char, char); + void text_string(char *, char, char, char, int); + void graphic_string(char *, int, int, char, int, char, char); + void text_button(char *, char, int, int, int, char, int, char, char); + + void locate(char, char); + void color(int); + void putc(char); + void puts(char *); + +// Touch Command + void touch_mode(char); + void get_touch(int *, int *); + void wait_touch(int); + void set_touch(int, int, int, int); + int touch_status(void); + void Pause_Until_Touch(int *, int *); + +// Screen Data + int type; + int revision; + int firmware; + int reserved1; + int reserved2; + +// Text data + char current_col; + char current_row; + int current_color; + char current_font; + char current_orientation; + char max_col; + char max_row; + +protected : + + Serial _cmd; + DigitalOut _rst; + + void freeBUFFER (void); + void writeBYTE (char); + int writeCOMMAND(char *, int); + int readVERSION (char *, int); + void getTOUCH (char *, int, int *,int *); + int getSTATUS (char *, int); + void version (void); +}; + +typedef unsigned char BYTE; \ No newline at end of file
diff -r 000000000000 -r 337717573fe7 TFT_4DGL_Graphics.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TFT_4DGL_Graphics.cpp Tue Feb 08 21:43:36 2011 +0000 @@ -0,0 +1,400 @@ +// +// TFT_4DGL is a class to drive 4D Systems TFT touch screens +// +// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> +// +// TFT_4DGL is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// TFT_4DGL is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>. + +#include "mbed.h" +#include "TFT_4DGL.h" + + +//**************************************************************************************************** +void TFT_4DGL :: circle(int x, int y , int radius, int color) { // draw a circle in (x,y) + char command[9]= ""; + + command[0] = CIRCLE; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + command[5] = (radius >> 8) & 0xFF; + command[6] = radius & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[7] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[8] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 9); +} + +//**************************************************************************************************** +void TFT_4DGL :: triangle(int x1, int y1 , int x2, int y2, int x3, int y3, int color) { // draw a traingle + char command[15]= ""; + + command[0] = TRIANGLE; + + command[1] = (x1 >> 8) & 0xFF; + command[2] = x1 & 0xFF; + + command[3] = (y1 >> 8) & 0xFF; + command[4] = y1 & 0xFF; + + command[5] = (x2 >> 8) & 0xFF; + command[6] = x2 & 0xFF; + + command[7] = (y2 >> 8) & 0xFF; + command[8] = y2 & 0xFF; + + command[9] = (x3 >> 8) & 0xFF; + command[10] = x3 & 0xFF; + + command[11] = (y3 >> 8) & 0xFF; + command[12] = y3 & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[13] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[14] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 15); +} + +//**************************************************************************************************** +void TFT_4DGL :: line(int x1, int y1 , int x2, int y2, int color) { // draw a line + char command[11]= ""; + + command[0] = LINE; + + command[1] = (x1 >> 8) & 0xFF; + command[2] = x1 & 0xFF; + + command[3] = (y1 >> 8) & 0xFF; + command[4] = y1 & 0xFF; + + command[5] = (x2 >> 8) & 0xFF; + command[6] = x2 & 0xFF; + + command[7] = (y2 >> 8) & 0xFF; + command[8] = y2 & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 11); +} + +//**************************************************************************************************** +void TFT_4DGL :: rectangle(int x1, int y1 , int x2, int y2, int color) { // draw a rectangle + char command[11]= ""; + + command[0] = RECTANGLE; + + command[1] = (x1 >> 8) & 0xFF; + command[2] = x1 & 0xFF; + + command[3] = (y1 >> 8) & 0xFF; + command[4] = y1 & 0xFF; + + command[5] = (x2 >> 8) & 0xFF; + command[6] = x2 & 0xFF; + + command[7] = (y2 >> 8) & 0xFF; + command[8] = y2 & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 11); +} + +//**************************************************************************************************** +void TFT_4DGL :: ellipse(int x, int y , int radius_x, int radius_y, int color) { // draw an ellipse + char command[11]= ""; + + command[0] = ELLIPSE; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + command[5] = (radius_x >> 8) & 0xFF; + command[6] = radius_x & 0xFF; + + command[7] = (radius_y >> 8) & 0xFF; + command[8] = radius_y & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 11); +} + +//**************************************************************************************************** +void TFT_4DGL :: pixel(int x, int y, int color) { // draw a pixel + char command[7]= ""; + + command[0] = PIXEL; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[5] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[6] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 7); +} + +//****************************************************************************************************** +int TFT_4DGL :: read_pixel(int x, int y) { // read screen info and populate data + + char command[5]= ""; + + command[0] = READPIXEL; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + int i, temp = 0, color = 0, resp = 0; + char response[2] = ""; + + freeBUFFER(); + + for (i = 0; i < 5; i++) { // send all chars to serial port + writeBYTE(command[i]); + } + + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + + while (_cmd.readable()) { + temp = _cmd.getc(); + response[resp++] = (char)temp; + } + + color = ((response[0] << 8) + response[1]); + + return color; // WARNING : this is 16bits color, not 24bits... need to be fixed +} + +//****************************************************************************************************** +void TFT_4DGL :: screen_copy(int xs, int ys , int xd, int yd , int width, int height) { + + char command[13]= ""; + + command[0] = SCREENCOPY; + + command[1] = (xs >> 8) & 0xFF; + command[2] = xs & 0xFF; + + command[3] = (ys >> 8) & 0xFF; + command[4] = ys & 0xFF; + + command[5] = (xd >> 8) & 0xFF; + command[6] = xd & 0xFF; + + command[7] = (yd >> 8) & 0xFF; + command[8] = yd & 0xFF; + + command[9] = (width >> 8) & 0xFF; + command[10] = width & 0xFF; + + command[11] = (height >> 8) & 0xFF; + command[12] = height & 0xFF; + + writeCOMMAND(command, 13); +} + +//**************************************************************************************************** +void TFT_4DGL :: pen_size(char mode) { // set pen to SOLID or WIREFRAME + char command[2]= ""; + + command[0] = PENSIZE; + command[1] = mode; + + writeCOMMAND(command, 2); +} + +//**************************************************************************************************** +// This plays a .wav file from the FAT partition of an uSD Card +// Not really recommended as the speaker on the uLCD-32PT is really bad! +//**************************************************************************************************** +void TFT_4DGL :: SD_Card_Wav(char *Filename) { + char command[21]= ""; + int Lgt=0; + + command[0] = 0x40; //ext_cmd + command[1] = 0x6C; //Play Audio + command[2] = 0x01; //Option 0x00=Return at end, 0x01=Return now, 0x02=Stop, 0x03=Pause, 0x04=Resume, 0x05=Loop. + for(int i=0;Filename[i]!=0x00;i++){ + command[i+3] = Filename[i]; + Lgt = i; + } + command[Lgt+4] = 0x2E; //. + command[Lgt+5] = 0x77; //w + command[Lgt+6] = 0x61; //a + command[Lgt+7] = 0x76; //v + command[Lgt+8] = 0x00; //terminator + + writeCOMMAND(command, Lgt+9); +} + +//**************************************************************************************************** +// This sets the volume for the speaker on the uLCD-32PT +//**************************************************************************************************** +void TFT_4DGL :: Set_Volume(char vol) { + + char command[2]= ""; + + command[0] = 0x76; //cmd + command[1] = vol; //set volume + + writeCOMMAND(command, 2); +} + +//**************************************************************************************************** +// This displays an image on the screen that is stored on the FAT partition of an uSD Card +// Sent Filename, X-pos, Y-pos, Sector Address - Display from the RAW partition is quicker +//**************************************************************************************************** +void TFT_4DGL :: uSD_FAT_Image(char *Filename, int x, int y, long s) { + char X_MSB, X_LSB, Y_MSB, Y_LSB, S0, S1, S2, S3; + char command[25]= ""; + int Lgt=0; + + X_LSB = x&0x00FF; + X_MSB = (x >> 8); + Y_LSB = y&0x00FF; + Y_MSB = (y >> 8); + + S0 = (s >> 20)&0x000000FF; + S1 = (s >> 16)&0x0000FF; + S2 = (s >> 8)&0x0000FF; + S3 = s&0x0000FF;; + + command[0] = '@'; //ext_cmd + command[1] = 'm'; //FAT Image + for(int i=0;Filename[i]!=0x00;i++){ + command[i+2] = Filename[i]; + Lgt = i; + } + command[Lgt+3] = '.'; //. + command[Lgt+4] = 'G'; //G + command[Lgt+5] = 'C'; //C + command[Lgt+6] = 'I'; //I + command[Lgt+7] = 0x00; //Terminator + command[Lgt+8] = X_MSB; //X-Position MSB + command[Lgt+9] = X_LSB; //X-Position LSB + command[Lgt+10] = Y_MSB; //Y-Position MSB + command[Lgt+11] = Y_LSB; //Y-Position LSB + command[Lgt+12] = S0; //Sector Address 4 bytes + command[Lgt+13] = S1; + command[Lgt+14] = S2; + command[Lgt+15] = S3; + + writeCOMMAND(command, Lgt+16); +} + +//**************************************************************************************************** +// This displays an image on the screen in the NEW FORMAT +// Sent X-pos, Y-pos, Sector Address - This is the recommended way to display images +//**************************************************************************************************** +void TFT_4DGL :: uSD_Image(int x, int y, long s) { + char S1, S2, S3; + char X_MSB, X_LSB, Y_MSB, Y_LSB; + char command[9]= ""; + + X_LSB = x&0x00FF; //Work out the x position + X_MSB = (x >> 8); + Y_LSB = y&0x00FF; //Work out the y position + Y_MSB = (y >> 8); + + S1 = (s >> 16)&0x0000FF; //Work out the sector address + S2 = (s >> 8)&0x0000FF; + S3 = s&0x0000FF; + + command[0] = 0x40; //ext_cmd + command[1] = 0x49; //Display image + command[2] = X_MSB; //X position - 2 bytes + command[3] = X_LSB; + command[4] = Y_MSB; //Y position - 2 bytes + command[5] = Y_LSB; + command[6] = S1; //Sector address - 3 bytes + command[7] = S2; + command[8] = S3; + + writeCOMMAND(command, 9); +} + +//**************************************************************************************************** +// This displays an video on the screen in the NEW FORMAT +// Sent X-pos, Y-pos, Sector Address - This is the recommended way to display video +//**************************************************************************************************** +void TFT_4DGL :: uSD_Video(int x, int y, long s) { + char S1, S2, S3; + char X_MSB, X_LSB, Y_MSB, Y_LSB; + char command[10]= ""; + + X_LSB = x&0x00FF; + X_MSB = (x >> 8); + Y_LSB = y&0x00FF; + Y_MSB = (y >> 8); + + S1 = (s >> 16)&0x0000FF; + S2 = (s >> 8)&0x0000FF; + S3 = s&0x0000FF; + + command[0] = 0x40; //ext_cmd + command[1] = 0x56; //Display video + command[2] = X_MSB; //X position - 2 bytes + command[3] = X_LSB; + command[4] = Y_MSB; //Y position - 2 bytes + command[5] = Y_LSB; + command[6] = 0x00; //delay between frames + command[7] = S1; //Sector address - 3 bytes + command[8] = S2; + command[9] = S3; + + writeCOMMAND(command, 10); +}
diff -r 000000000000 -r 337717573fe7 TFT_4DGL_Text.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TFT_4DGL_Text.cpp Tue Feb 08 21:43:36 2011 +0000 @@ -0,0 +1,270 @@ +// +// TFT_4DGL is a class to drive 4D Systems TFT touch screens +// +// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> +// +// TFT_4DGL is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// TFT_4DGL is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>. + +#include "mbed.h" +#include "TFT_4DGL.h" + +//**************************************************************************************************** +void TFT_4DGL :: set_font(char mode) { // set font size + char command[2]= ""; + + int w, h, fx = 8, fy = 8; + + command[0] = SETFONT; + command[1] = mode; + + current_font = mode; + + if (current_orientation == IS_PORTRAIT) { + w = SIZE_X; + h = SIZE_Y; + } else { + w = SIZE_Y; + h = SIZE_X; + } + + switch (mode) { + case FONT_5X7 : + fx = 6; + fy = 8; + break; + case FONT_8X8 : + fx = 8; + fy = 8; + break; + case FONT_8X12 : + fx = 8; + fy = 12; + break; + case FONT_12X16 : + fx = 12; + fy = 16; + break; + } + + max_col = w / fx; + max_row = h / fy; + + writeCOMMAND(command, 2); +} + +//**************************************************************************************************** +void TFT_4DGL :: text_mode(char mode) { // set text mode + char command[2]= ""; + + command[0] = TEXTMODE; + command[1] = mode; + + writeCOMMAND(command, 2); +} + +//**************************************************************************************************** +void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char + char command[6]= ""; + + command[0] = TEXTCHAR; + + command[1] = c; + command[2] = col; + command[3] = row; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 8); +} + +//**************************************************************************************************** +void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char + char command[10]= ""; + + command[0] = GRAPHCHAR; + + command[1] = c; + + command[2] = (x >> 8) & 0xFF; + command[3] = x & 0xFF; + + command[4] = (y >> 8) & 0xFF; + command[5] = y & 0xFF; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + command[8] = width; + + command[9] = height; + + writeCOMMAND(command, 10); +} + +//**************************************************************************************************** +void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string + + char command[1000]= ""; + int size = strlen(s); + int i = 0; + + command[0] = TEXTSTRING; + + command[1] = col; + command[2] = row; + + command[3] = font; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + for (i=0; i<size; i++) command[6+i] = s[i]; + + command[6+size] = 0; + + writeCOMMAND(command, 7 + size); +} + +//**************************************************************************************************** +void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string + + char command[1000]= ""; + int size = strlen(s); + int i = 0; + + command[0] = GRAPHSTRING; + + command[1] = (x >> 8) & 0xFF; + command[2] = x & 0xFF; + + command[3] = (y >> 8) & 0xFF; + command[4] = y & 0xFF; + + command[5] = font; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + command[8] = width; + + command[9] = height; + + for (i=0; i<size; i++) command[10+i] = s[i]; + + command[10+size] = 0; + + writeCOMMAND(command, 11 + size); +} + +//**************************************************************************************************** +void TFT_4DGL :: text_button(char *s, char mode, int x, int y, int button_color, char font, int text_color, char width, char height) { // draw a text string + + char command[1000]= ""; + int size = strlen(s); + int i = 0, red5, green6, blue5; + + command[0] = TEXTBUTTON; + + command[1] = mode; + + command[2] = (x >> 8) & 0xFF; + command[3] = x & 0xFF; + + command[4] = (y >> 8) & 0xFF; + command[5] = y & 0xFF; + + red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits + green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits + blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + command[8] = font; + + red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits + green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits + blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + command[11] = width; + + command[12] = height; + + for (i=0; i<size; i++) command[13+i] = s[i]; + + command[13+size] = 0; + + writeCOMMAND(command, 14 + size); +} + +//**************************************************************************************************** +void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row + current_col = col; + current_row = row; +} + +//**************************************************************************************************** +void TFT_4DGL :: color(int color) { // set text color + current_color = color; +} + +//**************************************************************************************************** +void TFT_4DGL :: putc(char c) { // place char at current cursor position + + text_char(c, current_col++, current_row, current_color); + + if (current_col == max_col) { + current_col = 0; + current_row++; + } + if (current_row == max_row) { + current_row = 0; + } +} + +//**************************************************************************************************** +void TFT_4DGL :: puts(char *s) { // place string at current cursor position + + text_string(s, current_col, current_row, current_font, current_color); + + current_col += strlen(s); + + if (current_col >= max_col) { + current_row += current_col / max_col; + current_col %= max_col; + } + if (current_row >= max_row) { + current_row %= max_row; + } +} \ No newline at end of file
diff -r 000000000000 -r 337717573fe7 TFT_4DGL_Touch.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TFT_4DGL_Touch.cpp Tue Feb 08 21:43:36 2011 +0000 @@ -0,0 +1,109 @@ +// +// TFT_4DGL is a class to drive 4D Systems TFT touch screens +// +// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> +// +// TFT_4DGL is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// TFT_4DGL is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>. + +#include "mbed.h" +#include "TFT_4DGL.h" + +//****************************************************************************************************** +void TFT_4DGL :: touch_mode(char mode) { // Send touch mode (WAIT, PRESS, RELEASE or MOVE) + + char command[2]= ""; + + command[0] = GETTOUCH; + command[1] = mode; + + writeCOMMAND(command, 2); +} + +//****************************************************************************************************** +void TFT_4DGL :: get_touch(int *x, int *y) { // Get the touch coordinates + + char command[2] = ""; + + command[0] = GETTOUCH; + command[1] = GETPOSITION; + + getTOUCH(command, 2, x, y); +} + +//****************************************************************************************************** +int TFT_4DGL :: touch_status(void) { // Get the touch screen status + + char command[2] = ""; + + command[0] = GETTOUCH; + command[1] = STATUS; + + return getSTATUS(command, 2); +} + + +//****************************************************************************************************** +void TFT_4DGL :: wait_touch(int delay) { // wait until touch within a delay in milliseconds + + char command[3]= ""; + + command[0] = WAITTOUCH; + + command[1] = (delay >> 8) & 0xFF; + command[2] = delay & 0xFF; + + writeCOMMAND(command, 3); +} + +//****************************************************************************************************** +void TFT_4DGL :: set_touch(int x1, int y1 , int x2, int y2) { // define touch area + + char command[9]= ""; + + command[0] = SETTOUCH; + + command[1] = (x1 >> 8) & 0xFF; + command[2] = x1 & 0xFF; + + command[3] = (y1 >> 8) & 0xFF; + command[4] = y1 & 0xFF; + + command[5] = (x2 >> 8) & 0xFF; + command[6] = x2 & 0xFF; + + command[7] = (y2 >> 8) & 0xFF; + command[8] = y2 & 0xFF; + + writeCOMMAND(command, 9); +} + +//****************************************************************************************************** +// There is no way to have the uLCD-32PT trigger an interrupt when touched. +// This function polls the screen and waits for a touch to regiester +//****************************************************************************************************** +void TFT_4DGL :: Pause_Until_Touch(int *x, int *y) { // Actually waits for a TouchScreen release! + + char TouchStatus = 0; //Initalise the TouchStatus as 0 = no touch activity + char command[2] = ""; + + do{ + TouchStatus = touch_status(); //Get the touchscreen status + wait(0.1); + }while (TouchStatus != 2); + + command[0] = GETTOUCH; + command[1] = GETPOSITION; + + getTOUCH(command, 2, x, y); +} \ No newline at end of file
diff -r 000000000000 -r 337717573fe7 TFT_4DGL_main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TFT_4DGL_main.cpp Tue Feb 08 21:43:36 2011 +0000 @@ -0,0 +1,394 @@ +// +// TFT_4DGL is a class to drive 4D Systems TFT touch screens +// +// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> +// +// TFT_4DGL is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// TFT_4DGL is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>. + +#include "mbed.h" +#include "TFT_4DGL.h" + +Serial pc(USBTX,USBRX); +//DigitalOut led1(LED1), led2(LED2); + +//****************************************************************************************************** +TFT_4DGL :: TFT_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx), _rst(rst) { // Constructor + +#if DEBUGMODE + pc.baud(115200); + + pc.printf("\n\n\n"); + pc.printf("********************\n\r"); + pc.printf("TFT_4DGL CONSTRUCTOR\n\r"); + pc.printf("********************\n\r"); +#endif + + _rst = 1; // put RESET pin to high to start TFT screen + + reset(); + autobaud(); // send autobaud command + baudrate(256000); // set the initial baudrate to 256kbps - fastest supported by uLCD-32PT + cls(); // clear screen + + current_col = 0; // initial cursor col + current_row = 0; // initial cursor row + current_color = WHITE; // initial text color + current_orientation = IS_PORTRAIT; // initial screen orientation + + set_font(FONT_5X7); // initial font + text_mode(TRANSPARENT); // initial text mode + display_control(0x06,0x00); // initial Image control new format +} + +//****************************************************************************************************** +void TFT_4DGL :: writeBYTE(char c) { // send a BYTE command to screen + + _cmd.putc(c); + +#if DEBUGMODE + pc.printf(" Char sent : 0x%02X ",c); + pc.putc(c); + pc.printf(" \n\r"); +#endif + +} + +//****************************************************************************************************** +void TFT_4DGL :: freeBUFFER(void) { // Clear serial buffer before writing command + + while (_cmd.readable()) _cmd.getc(); // clear buffer garbage +} + +//****************************************************************************************************** +int TFT_4DGL :: writeCOMMAND(char *command, int number) { // send several BYTES making a command and return an answer + +#if DEBUGMODE + pc.printf("\n\r"); + pc.printf("New COMMAND : 0x%02X\n\r", command[0]); +#endif + int i, resp = 0; + freeBUFFER(); + + for (i = 0; i < number; i++) writeBYTE(command[i]); // send command to serial port + + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + if (_cmd.readable()) resp = _cmd.getc(); // read response if any + switch (resp) { + case ACK : // if OK return 1 + resp = 1; + break; + case NAK : // if NOK return -1 + resp = -1; + break; + default : + resp = 0; // else return 0 + break; + } +#if DEBUGMODE + pc.printf(" Answer received : %d\n\r",resp); +#endif + + return resp; +} + +//************************************************************************** +void TFT_4DGL :: reset() { // Reset Screen + + _rst = 0; // put RESET pin to low + wait_ms(TEMPO); // wait a few milliseconds for command reception + _rst = 1; // put RESET back to high + wait(3); // wait 3s for screen to restart + + freeBUFFER(); // clean buffer from possible garbage +} + +//************************************************************************** +void TFT_4DGL :: autobaud() { // send AutoBaud command (9600) + char command[1] = ""; + command[0] = AUTOBAUD; + writeCOMMAND(command, 1); +} + +//************************************************************************** +void TFT_4DGL :: cls() { // clear screen + char command[1] = ""; + command[0] = CLS; + writeCOMMAND(command, 1); +} + +//************************************************************************** +void TFT_4DGL :: version() { // get API version + char command[2] = ""; + command[0] = VERSION; + command[1] = OFF; + readVERSION(command, 2); +} + +//************************************************************************** +void TFT_4DGL :: baudrate(long speed) { // set screen baud rate + char command[2]= ""; + command[0] = BAUDRATE; + switch (speed) { + case 110 : + command[1] = BAUD_110; + break; + case 300 : + command[1] = BAUD_300; + break; + case 600 : + command[1] = BAUD_600; + break; + case 1200 : + command[1] = BAUD_1200; + break; + case 2400 : + command[1] = BAUD_2400; + break; + case 4800 : + command[1] = BAUD_4800; + break; + case 9600 : + command[1] = BAUD_9600; + break; + case 14400 : + command[1] = BAUD_14400; + break; + case 19200 : + command[1] = BAUD_19200; + break; + case 31250 : + command[1] = BAUD_31250; + break; + case 38400 : + command[1] = BAUD_38400; + break; + case 56000 : + command[1] = BAUD_56000; + break; + case 57600 : + command[1] = BAUD_57600; + break; + case 115200 : + command[1] = BAUD_115200; + break; + case 128000 : + command[1] = BAUD_128000; + break; + case 256000 : + command[1] = BAUD_256000; + break; + default : + command[1] = BAUD_9600; + speed = 9600; + break; + } + +#if DEBUGMODE + pc.printf("\n\r"); + pc.printf("New COMMAND : 0x%02X\n\r", command[0]); +#endif + + int i, resp = 0; + freeBUFFER(); + + if(speed==256000) + speed=281000; //If baud rate is 256K comm at 281k - as instructed by 4DGL + + for (i = 0; i <2; i++) writeBYTE(command[i]); // send command to serial port + _cmd.baud(speed); // set mbed to same speed + + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + + if (_cmd.readable()) resp = _cmd.getc(); // read response if any + switch (resp) { + case ACK : // if OK return 1 + resp = 1; + break; + case NAK : // if NOK return -1 + resp = -1; + break; + default : + resp = 0; // else return 0 + break; + } +#if DEBUGMODE + pc.printf(" Baudrate reply received : %d\n\r",resp); +#endif +} + +//****************************************************************************************************** +int TFT_4DGL :: readVERSION(char *command, int number) { // read screen info and populate data + + int i, temp = 0, resp = 0; + char response[5] = ""; + + freeBUFFER(); + + for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port + + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + + while (_cmd.readable()) { + temp = _cmd.getc(); + response[resp++] = (char)temp; + } + switch (resp) { + case 5 : // if OK populate data and return 1 + type = response[0]; + revision = response[1]; + firmware = response[2]; + reserved1 = response[3]; + reserved2 = response[4]; + resp = 1; + break; + default : + resp = 0; // else return 0 + break; + } + return resp; +} + +//**************************************************************************************************** +void TFT_4DGL :: background_color(int color) { // set screen background color + char command[3]= ""; // input color is in 24bits like 0xRRGGBB + + command[0] = BCKGDCOLOR; + + int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits + int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits + int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits + + command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + + writeCOMMAND(command, 3); +} + +//**************************************************************************************************** +void TFT_4DGL :: display_control(char mode, char value) { // set screen mode to value + char command[3]= ""; + + command[0] = DISPCONTROL; + command[1] = mode; + command[2] = value; + + if (mode == ORIENTATION) { + switch (value) { + case LANDSCAPE : + current_orientation = IS_LANDSCAPE; + break; + case LANDSCAPE_R : + current_orientation = IS_LANDSCAPE; + break; + case PORTRAIT : + current_orientation = IS_PORTRAIT; + break; + case PORTRAIT_R : + current_orientation = IS_PORTRAIT; + break; + } + set_font(current_font); + } + writeCOMMAND(command, 3); + +} + +//**************************************************************************************************** +void TFT_4DGL :: set_volume(char value) { // set sound volume to value + char command[2]= ""; + + command[0] = SETVOLUME; + command[1] = value; + + writeCOMMAND(command, 2); +} + + +//****************************************************************************************************** +void TFT_4DGL :: getTOUCH(char *command, int number, int *x, int *y) { // read screen info and populate data + +#if DEBUGMODE + pc.printf("\n\r"); + pc.printf("New COMMAND : 0x%02X\n\r", command[0]); +#endif + int i, temp = 0, resp = 0; + char response[5] = ""; + + freeBUFFER(); + + for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port + + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + + while (_cmd.readable()) { + temp = _cmd.getc(); + response[resp++] = (char)temp; + } + +#if DEBUGMODE + pc.printf(" Answer received %d : 0x%02X 0x%02X 0x%02X 0x%02X\n\r", resp, response[0], response[1], response[2], response[3]); +#endif + + switch (resp) { + case 4 : // if OK populate data + *x = ((response[0]<<8)+ response[1]) * (response[0] != 0xFF); + *y = ((response[2]<<8)+ response[3]) * (response[2] != 0xFF); + break; + default : + *x = -1; + *y = -1; + break; + } + +#if DEBUGMODE + pc.printf(" X,Y : %03d,%03d\n\r", *x, *y); +#endif +} + +//****************************************************************************************************** +int TFT_4DGL :: getSTATUS(char *command, int number) { // read screen info and populate data + +#if DEBUGMODE + pc.printf("\n\r"); + pc.printf("New COMMAND : 0x%02X\n\r", command[0]); +#endif + + int i, temp = 0, resp = 0; + char response[5] = ""; + + freeBUFFER(); + + for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port + + while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer + + while (_cmd.readable()) { + temp = _cmd.getc(); + response[resp++] = (char)temp; + } + switch (resp) { + case 4 : + resp = (int)response[1]; // if OK populate data + break; + default : + resp = -1; // else return 0 + break; + } + +#if DEBUGMODE + pc.printf(" Answer received : %d\n\r", resp); +#endif + + return resp; +} \ No newline at end of file
diff -r 000000000000 -r 337717573fe7 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Feb 08 21:43:36 2011 +0000 @@ -0,0 +1,41 @@ +#include "TFT_4DGL.h" + +TFT_4DGL lcd(p9,p10,p11); + +int main() { + + int xp,yp; + + int n = WHITE; + + float x,y,xn,yn; + + float dt = 0.55; + + float x1 = 0.1; + float y1 = 0; + + x = x1; + y = y1; + + while(1) + + { + + xn = x1-y1-pow(x1,3); + yn = x1-(x1*x1)*y1; + + x = x+xn*dt; + y = y+yn*dt; + + xp = (int)floor(x*65); + yp = (int)floor(y*110); + + lcd.pixel(120+xp,160+yp,n); + + x1 = x; + y1 = y; + + } + +} \ No newline at end of file
diff -r 000000000000 -r 337717573fe7 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Feb 08 21:43:36 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e