Kamil Ondrousek / Mbed 2 deprecated 2D-Lorenz

Lorenz limit cycle - 2D nonlinear attractor

Dependencies:   mbed

TFT_4DGL_Touch.cpp@0:337717573fe7, 2011-02-08 (annotated)

Committer:
JLS
Date:
Tue Feb 08 21:43:36 2011 +0000
Revision:
0:337717573fe7

        

        
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//





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// TFT_4DGL is a class to drive 4D Systems TFT touch screens





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//





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// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>





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//





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// TFT_4DGL is free software: you can redistribute it and/or modify





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// it under the terms of the GNU General Public License as published by





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// the Free Software Foundation, either version 3 of the License, or





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// (at your option) any later version.





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//





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// TFT_4DGL is distributed in the hope that it will be useful,





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// but WITHOUT ANY WARRANTY; without even the implied warranty of





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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the





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// GNU General Public License for more details.





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//





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// You should have received a copy of the GNU General Public License





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// along with TFT_4DGL.  If not, see <http://www.gnu.org/licenses/>.





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#include "mbed.h"





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#include "TFT_4DGL.h"





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//******************************************************************************************************





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void TFT_4DGL :: touch_mode(char mode) { // Send touch mode (WAIT, PRESS, RELEASE or MOVE)





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    char command[2]= "";





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    command[0] = GETTOUCH;





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    command[1] = mode;





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    writeCOMMAND(command, 2);





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}





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//******************************************************************************************************





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void TFT_4DGL :: get_touch(int *x, int *y) { // Get the touch coordinates





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    char command[2] = "";





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    command[0] = GETTOUCH;





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    command[1] = GETPOSITION;





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    getTOUCH(command, 2, x, y);





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}





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//******************************************************************************************************





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int TFT_4DGL :: touch_status(void) { // Get the touch screen status





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    char command[2] = "";





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    command[0] = GETTOUCH;





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    command[1] = STATUS;





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    return getSTATUS(command, 2);





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}





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//******************************************************************************************************





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void TFT_4DGL :: wait_touch(int delay) { // wait until touch within a delay in milliseconds





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    char command[3]= "";





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    command[0] = WAITTOUCH;





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    command[1] = (delay >> 8) & 0xFF;





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    command[2] = delay & 0xFF;





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    writeCOMMAND(command, 3);





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}





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//******************************************************************************************************





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void TFT_4DGL :: set_touch(int x1, int y1 , int x2, int y2) { // define touch area





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    char command[9]= "";





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    command[0] = SETTOUCH;





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    command[1] = (x1 >> 8) & 0xFF;





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    command[2] = x1 & 0xFF;





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    command[3] = (y1 >> 8) & 0xFF;





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    command[4] = y1 & 0xFF;





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    command[5] = (x2 >> 8) & 0xFF;





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    command[6] = x2 & 0xFF;





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    command[7] = (y2 >> 8) & 0xFF;





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    command[8] = y2 & 0xFF;





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    writeCOMMAND(command, 9);





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}





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//******************************************************************************************************





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// There is no way to have the uLCD-32PT trigger an interrupt when touched. 





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// This function polls the screen and waits for a touch to regiester





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//******************************************************************************************************





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void TFT_4DGL :: Pause_Until_Touch(int *x, int *y) { // Actually waits for a TouchScreen release!





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    char TouchStatus = 0;                       //Initalise the TouchStatus as 0 = no touch activity





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    char command[2] = "";





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    do{





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        TouchStatus = touch_status();           //Get the touchscreen status





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        wait(0.1);





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    }while (TouchStatus != 2);





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    command[0] = GETTOUCH;





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    command[1] = GETPOSITION;





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    getTOUCH(command, 2, x, y);





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}