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Aizawa chaotic system

TFT_4DGL_Touch.cpp@0:18b2474ec07b, 2011-03-09 (annotated)

Committer:: JLS
Date:: Wed Mar 09 21:31:16 2011 +0000
Revision:: 0:18b2474ec07b

Who changed what in which revision?

User	Revision	Line number	New contents of line
JLS	0:18b2474ec07b	1	//
JLS	0:18b2474ec07b	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS	0:18b2474ec07b	3	//
JLS	0:18b2474ec07b	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS	0:18b2474ec07b	5	//
JLS	0:18b2474ec07b	6	// TFT_4DGL is free software: you can redistribute it and/or modify
JLS	0:18b2474ec07b	7	// it under the terms of the GNU General Public License as published by
JLS	0:18b2474ec07b	8	// the Free Software Foundation, either version 3 of the License, or
JLS	0:18b2474ec07b	9	// (at your option) any later version.
JLS	0:18b2474ec07b	10	//
JLS	0:18b2474ec07b	11	// TFT_4DGL is distributed in the hope that it will be useful,
JLS	0:18b2474ec07b	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS	0:18b2474ec07b	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS	0:18b2474ec07b	14	// GNU General Public License for more details.
JLS	0:18b2474ec07b	15	//
JLS	0:18b2474ec07b	16	// You should have received a copy of the GNU General Public License
JLS	0:18b2474ec07b	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS	0:18b2474ec07b	18
JLS	0:18b2474ec07b	19	#include "mbed.h"
JLS	0:18b2474ec07b	20	#include "TFT_4DGL.h"
JLS	0:18b2474ec07b	21
JLS	0:18b2474ec07b	22	//******************************************************************************************************
JLS	0:18b2474ec07b	23	void TFT_4DGL :: touch_mode(char mode) { // Send touch mode (WAIT, PRESS, RELEASE or MOVE)
JLS	0:18b2474ec07b	24
JLS	0:18b2474ec07b	25	char command[2]= "";
JLS	0:18b2474ec07b	26
JLS	0:18b2474ec07b	27	command[0] = GETTOUCH;
JLS	0:18b2474ec07b	28	command[1] = mode;
JLS	0:18b2474ec07b	29
JLS	0:18b2474ec07b	30	writeCOMMAND(command, 2);
JLS	0:18b2474ec07b	31	}
JLS	0:18b2474ec07b	32
JLS	0:18b2474ec07b	33	//******************************************************************************************************
JLS	0:18b2474ec07b	34	void TFT_4DGL :: get_touch(int x, int y) { // Get the touch coordinates
JLS	0:18b2474ec07b	35
JLS	0:18b2474ec07b	36	char command[2] = "";
JLS	0:18b2474ec07b	37
JLS	0:18b2474ec07b	38	command[0] = GETTOUCH;
JLS	0:18b2474ec07b	39	command[1] = GETPOSITION;
JLS	0:18b2474ec07b	40
JLS	0:18b2474ec07b	41	getTOUCH(command, 2, x, y);
JLS	0:18b2474ec07b	42	}
JLS	0:18b2474ec07b	43
JLS	0:18b2474ec07b	44	//******************************************************************************************************
JLS	0:18b2474ec07b	45	int TFT_4DGL :: touch_status(void) { // Get the touch screen status
JLS	0:18b2474ec07b	46
JLS	0:18b2474ec07b	47	char command[2] = "";
JLS	0:18b2474ec07b	48
JLS	0:18b2474ec07b	49	command[0] = GETTOUCH;
JLS	0:18b2474ec07b	50	command[1] = STATUS;
JLS	0:18b2474ec07b	51
JLS	0:18b2474ec07b	52	return getSTATUS(command, 2);
JLS	0:18b2474ec07b	53	}
JLS	0:18b2474ec07b	54
JLS	0:18b2474ec07b	55
JLS	0:18b2474ec07b	56	//******************************************************************************************************
JLS	0:18b2474ec07b	57	void TFT_4DGL :: wait_touch(int delay) { // wait until touch within a delay in milliseconds
JLS	0:18b2474ec07b	58
JLS	0:18b2474ec07b	59	char command[3]= "";
JLS	0:18b2474ec07b	60
JLS	0:18b2474ec07b	61	command[0] = WAITTOUCH;
JLS	0:18b2474ec07b	62
JLS	0:18b2474ec07b	63	command[1] = (delay >> 8) & 0xFF;
JLS	0:18b2474ec07b	64	command[2] = delay & 0xFF;
JLS	0:18b2474ec07b	65
JLS	0:18b2474ec07b	66	writeCOMMAND(command, 3);
JLS	0:18b2474ec07b	67	}
JLS	0:18b2474ec07b	68
JLS	0:18b2474ec07b	69	//******************************************************************************************************
JLS	0:18b2474ec07b	70	void TFT_4DGL :: set_touch(int x1, int y1 , int x2, int y2) { // define touch area
JLS	0:18b2474ec07b	71
JLS	0:18b2474ec07b	72	char command[9]= "";
JLS	0:18b2474ec07b	73
JLS	0:18b2474ec07b	74	command[0] = SETTOUCH;
JLS	0:18b2474ec07b	75
JLS	0:18b2474ec07b	76	command[1] = (x1 >> 8) & 0xFF;
JLS	0:18b2474ec07b	77	command[2] = x1 & 0xFF;
JLS	0:18b2474ec07b	78
JLS	0:18b2474ec07b	79	command[3] = (y1 >> 8) & 0xFF;
JLS	0:18b2474ec07b	80	command[4] = y1 & 0xFF;
JLS	0:18b2474ec07b	81
JLS	0:18b2474ec07b	82	command[5] = (x2 >> 8) & 0xFF;
JLS	0:18b2474ec07b	83	command[6] = x2 & 0xFF;
JLS	0:18b2474ec07b	84
JLS	0:18b2474ec07b	85	command[7] = (y2 >> 8) & 0xFF;
JLS	0:18b2474ec07b	86	command[8] = y2 & 0xFF;
JLS	0:18b2474ec07b	87
JLS	0:18b2474ec07b	88	writeCOMMAND(command, 9);
JLS	0:18b2474ec07b	89	}
JLS	0:18b2474ec07b	90
JLS	0:18b2474ec07b	91	//******************************************************************************************************
JLS	0:18b2474ec07b	92	// There is no way to have the uLCD-32PT trigger an interrupt when touched.
JLS	0:18b2474ec07b	93	// This function polls the screen and waits for a touch to regiester
JLS	0:18b2474ec07b	94	//******************************************************************************************************
JLS	0:18b2474ec07b	95	void TFT_4DGL :: Pause_Until_Touch(int x, int y) { // Actually waits for a TouchScreen release!
JLS	0:18b2474ec07b	96
JLS	0:18b2474ec07b	97	char TouchStatus = 0; //Initalise the TouchStatus as 0 = no touch activity
JLS	0:18b2474ec07b	98	char command[2] = "";
JLS	0:18b2474ec07b	99
JLS	0:18b2474ec07b	100	do{
JLS	0:18b2474ec07b	101	TouchStatus = touch_status(); //Get the touchscreen status
JLS	0:18b2474ec07b	102	wait(0.1);
JLS	0:18b2474ec07b	103	}while (TouchStatus != 2);
JLS	0:18b2474ec07b	104
JLS	0:18b2474ec07b	105	command[0] = GETTOUCH;
JLS	0:18b2474ec07b	106	command[1] = GETPOSITION;
JLS	0:18b2474ec07b	107
JLS	0:18b2474ec07b	108	getTOUCH(command, 2, x, y);
JLS	0:18b2474ec07b	109	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	09 Mar 2011
Imports:	1
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	1

TFT_4DGL_Touch.cpp@0:18b2474ec07b, 2011-03-09 (annotated)

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