Reinaldo Cruz / 4DGLtest

4DGL library with slight changes. Did not want to commit to original library.

TFT_4DGL_Touch.cpp@0:9cbbed69bc5b, 2014-10-22 (annotated)

Committer:
reinaldo422
Date:
Wed Oct 22 05:25:01 2014 +0000
Revision:
0:9cbbed69bc5b
4DGL library with slight changes made. Did not want to commit directly to library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
reinaldo422 0:9cbbed69bc5b 1 //
reinaldo422 0:9cbbed69bc5b 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
reinaldo422 0:9cbbed69bc5b 3 //
reinaldo422 0:9cbbed69bc5b 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
reinaldo422 0:9cbbed69bc5b 5 //
reinaldo422 0:9cbbed69bc5b 6 // TFT_4DGL is free software: you can redistribute it and/or modify
reinaldo422 0:9cbbed69bc5b 7 // it under the terms of the GNU General Public License as published by
reinaldo422 0:9cbbed69bc5b 8 // the Free Software Foundation, either version 3 of the License, or
reinaldo422 0:9cbbed69bc5b 9 // (at your option) any later version.
reinaldo422 0:9cbbed69bc5b 10 //
reinaldo422 0:9cbbed69bc5b 11 // TFT_4DGL is distributed in the hope that it will be useful,
reinaldo422 0:9cbbed69bc5b 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
reinaldo422 0:9cbbed69bc5b 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
reinaldo422 0:9cbbed69bc5b 14 // GNU General Public License for more details.
reinaldo422 0:9cbbed69bc5b 15 //
reinaldo422 0:9cbbed69bc5b 16 // You should have received a copy of the GNU General Public License
reinaldo422 0:9cbbed69bc5b 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
reinaldo422 0:9cbbed69bc5b 18
reinaldo422 0:9cbbed69bc5b 19 #include "mbed.h"
reinaldo422 0:9cbbed69bc5b 20 #include "TFT_4DGL.h"
reinaldo422 0:9cbbed69bc5b 21
reinaldo422 0:9cbbed69bc5b 22 //******************************************************************************************************
reinaldo422 0:9cbbed69bc5b 23 void TFT_4DGL :: touch_mode(char mode) { // Send touch mode (WAIT, PRESS, RELEASE or MOVE)
reinaldo422 0:9cbbed69bc5b 24
reinaldo422 0:9cbbed69bc5b 25 char command[2]= "";
reinaldo422 0:9cbbed69bc5b 26
reinaldo422 0:9cbbed69bc5b 27 command[0] = GETTOUCH;
reinaldo422 0:9cbbed69bc5b 28 command[1] = mode;
reinaldo422 0:9cbbed69bc5b 29
reinaldo422 0:9cbbed69bc5b 30 writeCOMMAND(command, 2);
reinaldo422 0:9cbbed69bc5b 31 }
reinaldo422 0:9cbbed69bc5b 32
reinaldo422 0:9cbbed69bc5b 33 //******************************************************************************************************
reinaldo422 0:9cbbed69bc5b 34 void TFT_4DGL :: get_touch(int *x, int *y) { // Get the touch coordinates
reinaldo422 0:9cbbed69bc5b 35
reinaldo422 0:9cbbed69bc5b 36 char command[2] = "";
reinaldo422 0:9cbbed69bc5b 37
reinaldo422 0:9cbbed69bc5b 38 command[0] = GETTOUCH;
reinaldo422 0:9cbbed69bc5b 39 command[1] = GETPOSITION;
reinaldo422 0:9cbbed69bc5b 40
reinaldo422 0:9cbbed69bc5b 41 getTOUCH(command, 2, x, y);
reinaldo422 0:9cbbed69bc5b 42 }
reinaldo422 0:9cbbed69bc5b 43
reinaldo422 0:9cbbed69bc5b 44 //******************************************************************************************************
reinaldo422 0:9cbbed69bc5b 45 int TFT_4DGL :: touch_status(void) { // Get the touch screen status
reinaldo422 0:9cbbed69bc5b 46
reinaldo422 0:9cbbed69bc5b 47 char command[2] = "";
reinaldo422 0:9cbbed69bc5b 48
reinaldo422 0:9cbbed69bc5b 49 command[0] = GETTOUCH;
reinaldo422 0:9cbbed69bc5b 50 command[1] = STATUS;
reinaldo422 0:9cbbed69bc5b 51
reinaldo422 0:9cbbed69bc5b 52 return getSTATUS(command, 2);
reinaldo422 0:9cbbed69bc5b 53 }
reinaldo422 0:9cbbed69bc5b 54
reinaldo422 0:9cbbed69bc5b 55
reinaldo422 0:9cbbed69bc5b 56 //******************************************************************************************************
reinaldo422 0:9cbbed69bc5b 57 void TFT_4DGL :: wait_touch(int delay) { // wait until touch within a delay in milliseconds
reinaldo422 0:9cbbed69bc5b 58
reinaldo422 0:9cbbed69bc5b 59 char command[3]= "";
reinaldo422 0:9cbbed69bc5b 60
reinaldo422 0:9cbbed69bc5b 61 command[0] = WAITTOUCH;
reinaldo422 0:9cbbed69bc5b 62
reinaldo422 0:9cbbed69bc5b 63 command[1] = (delay >> 8) & 0xFF;
reinaldo422 0:9cbbed69bc5b 64 command[2] = delay & 0xFF;
reinaldo422 0:9cbbed69bc5b 65
reinaldo422 0:9cbbed69bc5b 66 writeCOMMAND(command, 3);
reinaldo422 0:9cbbed69bc5b 67 }
reinaldo422 0:9cbbed69bc5b 68
reinaldo422 0:9cbbed69bc5b 69 //******************************************************************************************************
reinaldo422 0:9cbbed69bc5b 70 void TFT_4DGL :: set_touch(int x1, int y1 , int x2, int y2) { // define touch area
reinaldo422 0:9cbbed69bc5b 71
reinaldo422 0:9cbbed69bc5b 72 char command[9]= "";
reinaldo422 0:9cbbed69bc5b 73
reinaldo422 0:9cbbed69bc5b 74 command[0] = SETTOUCH;
reinaldo422 0:9cbbed69bc5b 75
reinaldo422 0:9cbbed69bc5b 76 command[1] = (x1 >> 8) & 0xFF;
reinaldo422 0:9cbbed69bc5b 77 command[2] = x1 & 0xFF;
reinaldo422 0:9cbbed69bc5b 78
reinaldo422 0:9cbbed69bc5b 79 command[3] = (y1 >> 8) & 0xFF;
reinaldo422 0:9cbbed69bc5b 80 command[4] = y1 & 0xFF;
reinaldo422 0:9cbbed69bc5b 81
reinaldo422 0:9cbbed69bc5b 82 command[5] = (x2 >> 8) & 0xFF;
reinaldo422 0:9cbbed69bc5b 83 command[6] = x2 & 0xFF;
reinaldo422 0:9cbbed69bc5b 84
reinaldo422 0:9cbbed69bc5b 85 command[7] = (y2 >> 8) & 0xFF;
reinaldo422 0:9cbbed69bc5b 86 command[8] = y2 & 0xFF;
reinaldo422 0:9cbbed69bc5b 87
reinaldo422 0:9cbbed69bc5b 88 writeCOMMAND(command, 9);
reinaldo422 0:9cbbed69bc5b 89 }