Kamil Ondrousek / Mbed 2 deprecated Lorenz-Mod2

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

TFT_4DGL_Touch.cpp@0:9b22f4157ab5, 2011-01-05 (annotated)

Committer:
JLS
Date:
Wed Jan 05 19:58:26 2011 +0000
Revision:
0:9b22f4157ab5

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


JLS

0:9b22f4157ab5


     1

//





JLS

0:9b22f4157ab5


     2

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





JLS

0:9b22f4157ab5


     3

//





JLS

0:9b22f4157ab5


     4

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





JLS

0:9b22f4157ab5


     5

//





JLS

0:9b22f4157ab5


     6

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





JLS

0:9b22f4157ab5


     7

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





JLS

0:9b22f4157ab5


     8

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





JLS

0:9b22f4157ab5


     9

// (at your option) any later version.





JLS

0:9b22f4157ab5


    10

//





JLS

0:9b22f4157ab5


    11

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





JLS

0:9b22f4157ab5


    12

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





JLS

0:9b22f4157ab5


    13

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





JLS

0:9b22f4157ab5


    14

// GNU General Public License for more details.





JLS

0:9b22f4157ab5


    15

//





JLS

0:9b22f4157ab5


    16

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





JLS

0:9b22f4157ab5


    17

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





JLS

0:9b22f4157ab5


    18







JLS

0:9b22f4157ab5


    19

#include "mbed.h"





JLS

0:9b22f4157ab5


    20

#include "TFT_4DGL.h"





JLS

0:9b22f4157ab5


    21







JLS

0:9b22f4157ab5


    22

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





JLS

0:9b22f4157ab5


    23

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





JLS

0:9b22f4157ab5


    24







JLS

0:9b22f4157ab5


    25

    char command[2]= "";





JLS

0:9b22f4157ab5


    26







JLS

0:9b22f4157ab5


    27

    command[0] = GETTOUCH;





JLS

0:9b22f4157ab5


    28

    command[1] = mode;





JLS

0:9b22f4157ab5


    29







JLS

0:9b22f4157ab5


    30

    writeCOMMAND(command, 2);





JLS

0:9b22f4157ab5


    31

}





JLS

0:9b22f4157ab5


    32







JLS

0:9b22f4157ab5


    33

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





JLS

0:9b22f4157ab5


    34

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





JLS

0:9b22f4157ab5


    35







JLS

0:9b22f4157ab5


    36

    char command[2] = "";





JLS

0:9b22f4157ab5


    37

    





JLS

0:9b22f4157ab5


    38

    command[0] = GETTOUCH;





JLS

0:9b22f4157ab5


    39

    command[1] = GETPOSITION;





JLS

0:9b22f4157ab5


    40

    





JLS

0:9b22f4157ab5


    41

    getTOUCH(command, 2, x, y);





JLS

0:9b22f4157ab5


    42

}





JLS

0:9b22f4157ab5


    43







JLS

0:9b22f4157ab5


    44

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





JLS

0:9b22f4157ab5


    45

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





JLS

0:9b22f4157ab5


    46







JLS

0:9b22f4157ab5


    47

    char command[2] = "";





JLS

0:9b22f4157ab5


    48

    





JLS

0:9b22f4157ab5


    49

    command[0] = GETTOUCH;





JLS

0:9b22f4157ab5


    50

    command[1] = STATUS;





JLS

0:9b22f4157ab5


    51

    





JLS

0:9b22f4157ab5


    52

    return getSTATUS(command, 2);





JLS

0:9b22f4157ab5


    53

}





JLS

0:9b22f4157ab5


    54







JLS

0:9b22f4157ab5


    55







JLS

0:9b22f4157ab5


    56

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





JLS

0:9b22f4157ab5


    57

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





JLS

0:9b22f4157ab5


    58







JLS

0:9b22f4157ab5


    59

    char command[3]= "";





JLS

0:9b22f4157ab5


    60







JLS

0:9b22f4157ab5


    61

    command[0] = WAITTOUCH;





JLS

0:9b22f4157ab5


    62







JLS

0:9b22f4157ab5


    63

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





JLS

0:9b22f4157ab5


    64

    command[2] = delay & 0xFF;





JLS

0:9b22f4157ab5


    65







JLS

0:9b22f4157ab5


    66

    writeCOMMAND(command, 3);





JLS

0:9b22f4157ab5


    67

}





JLS

0:9b22f4157ab5


    68







JLS

0:9b22f4157ab5


    69

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





JLS

0:9b22f4157ab5


    70

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





JLS

0:9b22f4157ab5


    71







JLS

0:9b22f4157ab5


    72

    char command[9]= "";





JLS

0:9b22f4157ab5


    73







JLS

0:9b22f4157ab5


    74

    command[0] = SETTOUCH;





JLS

0:9b22f4157ab5


    75







JLS

0:9b22f4157ab5


    76

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





JLS

0:9b22f4157ab5


    77

    command[2] = x1 & 0xFF;





JLS

0:9b22f4157ab5


    78







JLS

0:9b22f4157ab5


    79

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





JLS

0:9b22f4157ab5


    80

    command[4] = y1 & 0xFF;





JLS

0:9b22f4157ab5


    81







JLS

0:9b22f4157ab5


    82

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





JLS

0:9b22f4157ab5


    83

    command[6] = x2 & 0xFF;





JLS

0:9b22f4157ab5


    84







JLS

0:9b22f4157ab5


    85

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





JLS

0:9b22f4157ab5


    86

    command[8] = y2 & 0xFF;





JLS

0:9b22f4157ab5


    87







JLS

0:9b22f4157ab5


    88

    writeCOMMAND(command, 9);





JLS

0:9b22f4157ab5


    89

}





JLS

0:9b22f4157ab5


    90







JLS

0:9b22f4157ab5


    91

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





JLS

0:9b22f4157ab5


    92

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





JLS

0:9b22f4157ab5


    93

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





JLS

0:9b22f4157ab5


    94

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





JLS

0:9b22f4157ab5


    95

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





JLS

0:9b22f4157ab5


    96

    





JLS

0:9b22f4157ab5


    97

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





JLS

0:9b22f4157ab5


    98

    char command[2] = "";





JLS

0:9b22f4157ab5


    99







JLS

0:9b22f4157ab5


   100

    do{





JLS

0:9b22f4157ab5


   101

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





JLS

0:9b22f4157ab5


   102

        wait(0.1);





JLS

0:9b22f4157ab5


   103

    }while (TouchStatus != 2);





JLS

0:9b22f4157ab5


   104

    





JLS

0:9b22f4157ab5


   105

    command[0] = GETTOUCH;





JLS

0:9b22f4157ab5


   106

    command[1] = GETPOSITION;





JLS

0:9b22f4157ab5


   107

    





JLS

0:9b22f4157ab5


   108

    getTOUCH(command, 2, x, y);





JLS

0:9b22f4157ab5


   109

}