Kamil Ondrousek
Lorenz limit cycle - 2D nonlinear attractor
Diff: TFT_4DGL_Graphics.cpp
- Revision:
- 0:337717573fe7
--- /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);
+}