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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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} |
Stephane ROCHON
4D SGC TFT Screen