2D-Circular - Circular limit cycle - 2D nonlinear attractor

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Kamil Ondrousek / Mbed 2 deprecated 2D-Circular

Circular limit cycle - 2D nonlinear attractor

TFT_4DGL_main.cpp@0:ba94dffa2c21, 2011-02-08 (annotated)

Committer:: JLS
Date:: Tue Feb 08 21:33:11 2011 +0000
Revision:: 0:ba94dffa2c21

Who changed what in which revision?

User	Revision	Line number	New contents of line
JLS	0:ba94dffa2c21	1	//
JLS	0:ba94dffa2c21	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS	0:ba94dffa2c21	3	//
JLS	0:ba94dffa2c21	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS	0:ba94dffa2c21	5	//
JLS	0:ba94dffa2c21	6	// TFT_4DGL is free software: you can redistribute it and/or modify
JLS	0:ba94dffa2c21	7	// it under the terms of the GNU General Public License as published by
JLS	0:ba94dffa2c21	8	// the Free Software Foundation, either version 3 of the License, or
JLS	0:ba94dffa2c21	9	// (at your option) any later version.
JLS	0:ba94dffa2c21	10	//
JLS	0:ba94dffa2c21	11	// TFT_4DGL is distributed in the hope that it will be useful,
JLS	0:ba94dffa2c21	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS	0:ba94dffa2c21	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS	0:ba94dffa2c21	14	// GNU General Public License for more details.
JLS	0:ba94dffa2c21	15	//
JLS	0:ba94dffa2c21	16	// You should have received a copy of the GNU General Public License
JLS	0:ba94dffa2c21	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS	0:ba94dffa2c21	18
JLS	0:ba94dffa2c21	19	#include "mbed.h"
JLS	0:ba94dffa2c21	20	#include "TFT_4DGL.h"
JLS	0:ba94dffa2c21	21
JLS	0:ba94dffa2c21	22	Serial pc(USBTX,USBRX);
JLS	0:ba94dffa2c21	23	//DigitalOut led1(LED1), led2(LED2);
JLS	0:ba94dffa2c21	24
JLS	0:ba94dffa2c21	25	//******************************************************************************************************
JLS	0:ba94dffa2c21	26	TFT_4DGL :: TFT_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx), _rst(rst) { // Constructor
JLS	0:ba94dffa2c21	27
JLS	0:ba94dffa2c21	28	#if DEBUGMODE
JLS	0:ba94dffa2c21	29	pc.baud(115200);
JLS	0:ba94dffa2c21	30
JLS	0:ba94dffa2c21	31	pc.printf("\n\n\n");
JLS	0:ba94dffa2c21	32	pc.printf("********************\n\r");
JLS	0:ba94dffa2c21	33	pc.printf("TFT_4DGL CONSTRUCTOR\n\r");
JLS	0:ba94dffa2c21	34	pc.printf("********************\n\r");
JLS	0:ba94dffa2c21	35	#endif
JLS	0:ba94dffa2c21	36
JLS	0:ba94dffa2c21	37	_rst = 1; // put RESET pin to high to start TFT screen
JLS	0:ba94dffa2c21	38
JLS	0:ba94dffa2c21	39	reset();
JLS	0:ba94dffa2c21	40	autobaud(); // send autobaud command
JLS	0:ba94dffa2c21	41	baudrate(256000); // set the initial baudrate to 256kbps - fastest supported by uLCD-32PT
JLS	0:ba94dffa2c21	42	cls(); // clear screen
JLS	0:ba94dffa2c21	43
JLS	0:ba94dffa2c21	44	current_col = 0; // initial cursor col
JLS	0:ba94dffa2c21	45	current_row = 0; // initial cursor row
JLS	0:ba94dffa2c21	46	current_color = WHITE; // initial text color
JLS	0:ba94dffa2c21	47	current_orientation = IS_PORTRAIT; // initial screen orientation
JLS	0:ba94dffa2c21	48
JLS	0:ba94dffa2c21	49	set_font(FONT_5X7); // initial font
JLS	0:ba94dffa2c21	50	text_mode(TRANSPARENT); // initial text mode
JLS	0:ba94dffa2c21	51	display_control(0x06,0x00); // initial Image control new format
JLS	0:ba94dffa2c21	52	}
JLS	0:ba94dffa2c21	53
JLS	0:ba94dffa2c21	54	//******************************************************************************************************
JLS	0:ba94dffa2c21	55	void TFT_4DGL :: writeBYTE(char c) { // send a BYTE command to screen
JLS	0:ba94dffa2c21	56
JLS	0:ba94dffa2c21	57	_cmd.putc(c);
JLS	0:ba94dffa2c21	58
JLS	0:ba94dffa2c21	59	#if DEBUGMODE
JLS	0:ba94dffa2c21	60	pc.printf(" Char sent : 0x%02X ",c);
JLS	0:ba94dffa2c21	61	pc.putc(c);
JLS	0:ba94dffa2c21	62	pc.printf(" \n\r");
JLS	0:ba94dffa2c21	63	#endif
JLS	0:ba94dffa2c21	64
JLS	0:ba94dffa2c21	65	}
JLS	0:ba94dffa2c21	66
JLS	0:ba94dffa2c21	67	//******************************************************************************************************
JLS	0:ba94dffa2c21	68	void TFT_4DGL :: freeBUFFER(void) { // Clear serial buffer before writing command
JLS	0:ba94dffa2c21	69
JLS	0:ba94dffa2c21	70	while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
JLS	0:ba94dffa2c21	71	}
JLS	0:ba94dffa2c21	72
JLS	0:ba94dffa2c21	73	//******************************************************************************************************
JLS	0:ba94dffa2c21	74	int TFT_4DGL :: writeCOMMAND(char *command, int number) { // send several BYTES making a command and return an answer
JLS	0:ba94dffa2c21	75
JLS	0:ba94dffa2c21	76	#if DEBUGMODE
JLS	0:ba94dffa2c21	77	pc.printf("\n\r");
JLS	0:ba94dffa2c21	78	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:ba94dffa2c21	79	#endif
JLS	0:ba94dffa2c21	80	int i, resp = 0;
JLS	0:ba94dffa2c21	81	freeBUFFER();
JLS	0:ba94dffa2c21	82
JLS	0:ba94dffa2c21	83	for (i = 0; i < number; i++) writeBYTE(command[i]); // send command to serial port
JLS	0:ba94dffa2c21	84
JLS	0:ba94dffa2c21	85	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:ba94dffa2c21	86	if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS	0:ba94dffa2c21	87	switch (resp) {
JLS	0:ba94dffa2c21	88	case ACK : // if OK return 1
JLS	0:ba94dffa2c21	89	resp = 1;
JLS	0:ba94dffa2c21	90	break;
JLS	0:ba94dffa2c21	91	case NAK : // if NOK return -1
JLS	0:ba94dffa2c21	92	resp = -1;
JLS	0:ba94dffa2c21	93	break;
JLS	0:ba94dffa2c21	94	default :
JLS	0:ba94dffa2c21	95	resp = 0; // else return 0
JLS	0:ba94dffa2c21	96	break;
JLS	0:ba94dffa2c21	97	}
JLS	0:ba94dffa2c21	98	#if DEBUGMODE
JLS	0:ba94dffa2c21	99	pc.printf(" Answer received : %d\n\r",resp);
JLS	0:ba94dffa2c21	100	#endif
JLS	0:ba94dffa2c21	101
JLS	0:ba94dffa2c21	102	return resp;
JLS	0:ba94dffa2c21	103	}
JLS	0:ba94dffa2c21	104
JLS	0:ba94dffa2c21	105	//**************************************************************************
JLS	0:ba94dffa2c21	106	void TFT_4DGL :: reset() { // Reset Screen
JLS	0:ba94dffa2c21	107
JLS	0:ba94dffa2c21	108	_rst = 0; // put RESET pin to low
JLS	0:ba94dffa2c21	109	wait_ms(TEMPO); // wait a few milliseconds for command reception
JLS	0:ba94dffa2c21	110	_rst = 1; // put RESET back to high
JLS	0:ba94dffa2c21	111	wait(3); // wait 3s for screen to restart
JLS	0:ba94dffa2c21	112
JLS	0:ba94dffa2c21	113	freeBUFFER(); // clean buffer from possible garbage
JLS	0:ba94dffa2c21	114	}
JLS	0:ba94dffa2c21	115
JLS	0:ba94dffa2c21	116	//**************************************************************************
JLS	0:ba94dffa2c21	117	void TFT_4DGL :: autobaud() { // send AutoBaud command (9600)
JLS	0:ba94dffa2c21	118	char command[1] = "";
JLS	0:ba94dffa2c21	119	command[0] = AUTOBAUD;
JLS	0:ba94dffa2c21	120	writeCOMMAND(command, 1);
JLS	0:ba94dffa2c21	121	}
JLS	0:ba94dffa2c21	122
JLS	0:ba94dffa2c21	123	//**************************************************************************
JLS	0:ba94dffa2c21	124	void TFT_4DGL :: cls() { // clear screen
JLS	0:ba94dffa2c21	125	char command[1] = "";
JLS	0:ba94dffa2c21	126	command[0] = CLS;
JLS	0:ba94dffa2c21	127	writeCOMMAND(command, 1);
JLS	0:ba94dffa2c21	128	}
JLS	0:ba94dffa2c21	129
JLS	0:ba94dffa2c21	130	//**************************************************************************
JLS	0:ba94dffa2c21	131	void TFT_4DGL :: version() { // get API version
JLS	0:ba94dffa2c21	132	char command[2] = "";
JLS	0:ba94dffa2c21	133	command[0] = VERSION;
JLS	0:ba94dffa2c21	134	command[1] = OFF;
JLS	0:ba94dffa2c21	135	readVERSION(command, 2);
JLS	0:ba94dffa2c21	136	}
JLS	0:ba94dffa2c21	137
JLS	0:ba94dffa2c21	138	//**************************************************************************
JLS	0:ba94dffa2c21	139	void TFT_4DGL :: baudrate(long speed) { // set screen baud rate
JLS	0:ba94dffa2c21	140	char command[2]= "";
JLS	0:ba94dffa2c21	141	command[0] = BAUDRATE;
JLS	0:ba94dffa2c21	142	switch (speed) {
JLS	0:ba94dffa2c21	143	case 110 :
JLS	0:ba94dffa2c21	144	command[1] = BAUD_110;
JLS	0:ba94dffa2c21	145	break;
JLS	0:ba94dffa2c21	146	case 300 :
JLS	0:ba94dffa2c21	147	command[1] = BAUD_300;
JLS	0:ba94dffa2c21	148	break;
JLS	0:ba94dffa2c21	149	case 600 :
JLS	0:ba94dffa2c21	150	command[1] = BAUD_600;
JLS	0:ba94dffa2c21	151	break;
JLS	0:ba94dffa2c21	152	case 1200 :
JLS	0:ba94dffa2c21	153	command[1] = BAUD_1200;
JLS	0:ba94dffa2c21	154	break;
JLS	0:ba94dffa2c21	155	case 2400 :
JLS	0:ba94dffa2c21	156	command[1] = BAUD_2400;
JLS	0:ba94dffa2c21	157	break;
JLS	0:ba94dffa2c21	158	case 4800 :
JLS	0:ba94dffa2c21	159	command[1] = BAUD_4800;
JLS	0:ba94dffa2c21	160	break;
JLS	0:ba94dffa2c21	161	case 9600 :
JLS	0:ba94dffa2c21	162	command[1] = BAUD_9600;
JLS	0:ba94dffa2c21	163	break;
JLS	0:ba94dffa2c21	164	case 14400 :
JLS	0:ba94dffa2c21	165	command[1] = BAUD_14400;
JLS	0:ba94dffa2c21	166	break;
JLS	0:ba94dffa2c21	167	case 19200 :
JLS	0:ba94dffa2c21	168	command[1] = BAUD_19200;
JLS	0:ba94dffa2c21	169	break;
JLS	0:ba94dffa2c21	170	case 31250 :
JLS	0:ba94dffa2c21	171	command[1] = BAUD_31250;
JLS	0:ba94dffa2c21	172	break;
JLS	0:ba94dffa2c21	173	case 38400 :
JLS	0:ba94dffa2c21	174	command[1] = BAUD_38400;
JLS	0:ba94dffa2c21	175	break;
JLS	0:ba94dffa2c21	176	case 56000 :
JLS	0:ba94dffa2c21	177	command[1] = BAUD_56000;
JLS	0:ba94dffa2c21	178	break;
JLS	0:ba94dffa2c21	179	case 57600 :
JLS	0:ba94dffa2c21	180	command[1] = BAUD_57600;
JLS	0:ba94dffa2c21	181	break;
JLS	0:ba94dffa2c21	182	case 115200 :
JLS	0:ba94dffa2c21	183	command[1] = BAUD_115200;
JLS	0:ba94dffa2c21	184	break;
JLS	0:ba94dffa2c21	185	case 128000 :
JLS	0:ba94dffa2c21	186	command[1] = BAUD_128000;
JLS	0:ba94dffa2c21	187	break;
JLS	0:ba94dffa2c21	188	case 256000 :
JLS	0:ba94dffa2c21	189	command[1] = BAUD_256000;
JLS	0:ba94dffa2c21	190	break;
JLS	0:ba94dffa2c21	191	default :
JLS	0:ba94dffa2c21	192	command[1] = BAUD_9600;
JLS	0:ba94dffa2c21	193	speed = 9600;
JLS	0:ba94dffa2c21	194	break;
JLS	0:ba94dffa2c21	195	}
JLS	0:ba94dffa2c21	196
JLS	0:ba94dffa2c21	197	#if DEBUGMODE
JLS	0:ba94dffa2c21	198	pc.printf("\n\r");
JLS	0:ba94dffa2c21	199	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:ba94dffa2c21	200	#endif
JLS	0:ba94dffa2c21	201
JLS	0:ba94dffa2c21	202	int i, resp = 0;
JLS	0:ba94dffa2c21	203	freeBUFFER();
JLS	0:ba94dffa2c21	204
JLS	0:ba94dffa2c21	205	if(speed==256000)
JLS	0:ba94dffa2c21	206	speed=281000; //If baud rate is 256K comm at 281k - as instructed by 4DGL
JLS	0:ba94dffa2c21	207
JLS	0:ba94dffa2c21	208	for (i = 0; i <2; i++) writeBYTE(command[i]); // send command to serial port
JLS	0:ba94dffa2c21	209	_cmd.baud(speed); // set mbed to same speed
JLS	0:ba94dffa2c21	210
JLS	0:ba94dffa2c21	211	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:ba94dffa2c21	212
JLS	0:ba94dffa2c21	213	if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS	0:ba94dffa2c21	214	switch (resp) {
JLS	0:ba94dffa2c21	215	case ACK : // if OK return 1
JLS	0:ba94dffa2c21	216	resp = 1;
JLS	0:ba94dffa2c21	217	break;
JLS	0:ba94dffa2c21	218	case NAK : // if NOK return -1
JLS	0:ba94dffa2c21	219	resp = -1;
JLS	0:ba94dffa2c21	220	break;
JLS	0:ba94dffa2c21	221	default :
JLS	0:ba94dffa2c21	222	resp = 0; // else return 0
JLS	0:ba94dffa2c21	223	break;
JLS	0:ba94dffa2c21	224	}
JLS	0:ba94dffa2c21	225	#if DEBUGMODE
JLS	0:ba94dffa2c21	226	pc.printf(" Baudrate reply received : %d\n\r",resp);
JLS	0:ba94dffa2c21	227	#endif
JLS	0:ba94dffa2c21	228	}
JLS	0:ba94dffa2c21	229
JLS	0:ba94dffa2c21	230	//******************************************************************************************************
JLS	0:ba94dffa2c21	231	int TFT_4DGL :: readVERSION(char *command, int number) { // read screen info and populate data
JLS	0:ba94dffa2c21	232
JLS	0:ba94dffa2c21	233	int i, temp = 0, resp = 0;
JLS	0:ba94dffa2c21	234	char response[5] = "";
JLS	0:ba94dffa2c21	235
JLS	0:ba94dffa2c21	236	freeBUFFER();
JLS	0:ba94dffa2c21	237
JLS	0:ba94dffa2c21	238	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:ba94dffa2c21	239
JLS	0:ba94dffa2c21	240	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:ba94dffa2c21	241
JLS	0:ba94dffa2c21	242	while (_cmd.readable()) {
JLS	0:ba94dffa2c21	243	temp = _cmd.getc();
JLS	0:ba94dffa2c21	244	response[resp++] = (char)temp;
JLS	0:ba94dffa2c21	245	}
JLS	0:ba94dffa2c21	246	switch (resp) {
JLS	0:ba94dffa2c21	247	case 5 : // if OK populate data and return 1
JLS	0:ba94dffa2c21	248	type = response[0];
JLS	0:ba94dffa2c21	249	revision = response[1];
JLS	0:ba94dffa2c21	250	firmware = response[2];
JLS	0:ba94dffa2c21	251	reserved1 = response[3];
JLS	0:ba94dffa2c21	252	reserved2 = response[4];
JLS	0:ba94dffa2c21	253	resp = 1;
JLS	0:ba94dffa2c21	254	break;
JLS	0:ba94dffa2c21	255	default :
JLS	0:ba94dffa2c21	256	resp = 0; // else return 0
JLS	0:ba94dffa2c21	257	break;
JLS	0:ba94dffa2c21	258	}
JLS	0:ba94dffa2c21	259	return resp;
JLS	0:ba94dffa2c21	260	}
JLS	0:ba94dffa2c21	261
JLS	0:ba94dffa2c21	262	//****************************************************************************************************
JLS	0:ba94dffa2c21	263	void TFT_4DGL :: background_color(int color) { // set screen background color
JLS	0:ba94dffa2c21	264	char command[3]= ""; // input color is in 24bits like 0xRRGGBB
JLS	0:ba94dffa2c21	265
JLS	0:ba94dffa2c21	266	command[0] = BCKGDCOLOR;
JLS	0:ba94dffa2c21	267
JLS	0:ba94dffa2c21	268	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:ba94dffa2c21	269	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:ba94dffa2c21	270	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:ba94dffa2c21	271
JLS	0:ba94dffa2c21	272	command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:ba94dffa2c21	273	command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:ba94dffa2c21	274
JLS	0:ba94dffa2c21	275	writeCOMMAND(command, 3);
JLS	0:ba94dffa2c21	276	}
JLS	0:ba94dffa2c21	277
JLS	0:ba94dffa2c21	278	//****************************************************************************************************
JLS	0:ba94dffa2c21	279	void TFT_4DGL :: display_control(char mode, char value) { // set screen mode to value
JLS	0:ba94dffa2c21	280	char command[3]= "";
JLS	0:ba94dffa2c21	281
JLS	0:ba94dffa2c21	282	command[0] = DISPCONTROL;
JLS	0:ba94dffa2c21	283	command[1] = mode;
JLS	0:ba94dffa2c21	284	command[2] = value;
JLS	0:ba94dffa2c21	285
JLS	0:ba94dffa2c21	286	if (mode == ORIENTATION) {
JLS	0:ba94dffa2c21	287	switch (value) {
JLS	0:ba94dffa2c21	288	case LANDSCAPE :
JLS	0:ba94dffa2c21	289	current_orientation = IS_LANDSCAPE;
JLS	0:ba94dffa2c21	290	break;
JLS	0:ba94dffa2c21	291	case LANDSCAPE_R :
JLS	0:ba94dffa2c21	292	current_orientation = IS_LANDSCAPE;
JLS	0:ba94dffa2c21	293	break;
JLS	0:ba94dffa2c21	294	case PORTRAIT :
JLS	0:ba94dffa2c21	295	current_orientation = IS_PORTRAIT;
JLS	0:ba94dffa2c21	296	break;
JLS	0:ba94dffa2c21	297	case PORTRAIT_R :
JLS	0:ba94dffa2c21	298	current_orientation = IS_PORTRAIT;
JLS	0:ba94dffa2c21	299	break;
JLS	0:ba94dffa2c21	300	}
JLS	0:ba94dffa2c21	301	set_font(current_font);
JLS	0:ba94dffa2c21	302	}
JLS	0:ba94dffa2c21	303	writeCOMMAND(command, 3);
JLS	0:ba94dffa2c21	304
JLS	0:ba94dffa2c21	305	}
JLS	0:ba94dffa2c21	306
JLS	0:ba94dffa2c21	307	//****************************************************************************************************
JLS	0:ba94dffa2c21	308	void TFT_4DGL :: set_volume(char value) { // set sound volume to value
JLS	0:ba94dffa2c21	309	char command[2]= "";
JLS	0:ba94dffa2c21	310
JLS	0:ba94dffa2c21	311	command[0] = SETVOLUME;
JLS	0:ba94dffa2c21	312	command[1] = value;
JLS	0:ba94dffa2c21	313
JLS	0:ba94dffa2c21	314	writeCOMMAND(command, 2);
JLS	0:ba94dffa2c21	315	}
JLS	0:ba94dffa2c21	316
JLS	0:ba94dffa2c21	317
JLS	0:ba94dffa2c21	318	//******************************************************************************************************
JLS	0:ba94dffa2c21	319	void TFT_4DGL :: getTOUCH(char command, int number, int x, int *y) { // read screen info and populate data
JLS	0:ba94dffa2c21	320
JLS	0:ba94dffa2c21	321	#if DEBUGMODE
JLS	0:ba94dffa2c21	322	pc.printf("\n\r");
JLS	0:ba94dffa2c21	323	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:ba94dffa2c21	324	#endif
JLS	0:ba94dffa2c21	325	int i, temp = 0, resp = 0;
JLS	0:ba94dffa2c21	326	char response[5] = "";
JLS	0:ba94dffa2c21	327
JLS	0:ba94dffa2c21	328	freeBUFFER();
JLS	0:ba94dffa2c21	329
JLS	0:ba94dffa2c21	330	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:ba94dffa2c21	331
JLS	0:ba94dffa2c21	332	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:ba94dffa2c21	333
JLS	0:ba94dffa2c21	334	while (_cmd.readable()) {
JLS	0:ba94dffa2c21	335	temp = _cmd.getc();
JLS	0:ba94dffa2c21	336	response[resp++] = (char)temp;
JLS	0:ba94dffa2c21	337	}
JLS	0:ba94dffa2c21	338
JLS	0:ba94dffa2c21	339	#if DEBUGMODE
JLS	0:ba94dffa2c21	340	pc.printf(" Answer received %d : 0x%02X 0x%02X 0x%02X 0x%02X\n\r", resp, response[0], response[1], response[2], response[3]);
JLS	0:ba94dffa2c21	341	#endif
JLS	0:ba94dffa2c21	342
JLS	0:ba94dffa2c21	343	switch (resp) {
JLS	0:ba94dffa2c21	344	case 4 : // if OK populate data
JLS	0:ba94dffa2c21	345	x = ((response[0]<<8)+ response[1]) (response[0] != 0xFF);
JLS	0:ba94dffa2c21	346	y = ((response[2]<<8)+ response[3]) (response[2] != 0xFF);
JLS	0:ba94dffa2c21	347	break;
JLS	0:ba94dffa2c21	348	default :
JLS	0:ba94dffa2c21	349	*x = -1;
JLS	0:ba94dffa2c21	350	*y = -1;
JLS	0:ba94dffa2c21	351	break;
JLS	0:ba94dffa2c21	352	}
JLS	0:ba94dffa2c21	353
JLS	0:ba94dffa2c21	354	#if DEBUGMODE
JLS	0:ba94dffa2c21	355	pc.printf(" X,Y : %03d,%03d\n\r", x, y);
JLS	0:ba94dffa2c21	356	#endif
JLS	0:ba94dffa2c21	357	}
JLS	0:ba94dffa2c21	358
JLS	0:ba94dffa2c21	359	//******************************************************************************************************
JLS	0:ba94dffa2c21	360	int TFT_4DGL :: getSTATUS(char *command, int number) { // read screen info and populate data
JLS	0:ba94dffa2c21	361
JLS	0:ba94dffa2c21	362	#if DEBUGMODE
JLS	0:ba94dffa2c21	363	pc.printf("\n\r");
JLS	0:ba94dffa2c21	364	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:ba94dffa2c21	365	#endif
JLS	0:ba94dffa2c21	366
JLS	0:ba94dffa2c21	367	int i, temp = 0, resp = 0;
JLS	0:ba94dffa2c21	368	char response[5] = "";
JLS	0:ba94dffa2c21	369
JLS	0:ba94dffa2c21	370	freeBUFFER();
JLS	0:ba94dffa2c21	371
JLS	0:ba94dffa2c21	372	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:ba94dffa2c21	373
JLS	0:ba94dffa2c21	374	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:ba94dffa2c21	375
JLS	0:ba94dffa2c21	376	while (_cmd.readable()) {
JLS	0:ba94dffa2c21	377	temp = _cmd.getc();
JLS	0:ba94dffa2c21	378	response[resp++] = (char)temp;
JLS	0:ba94dffa2c21	379	}
JLS	0:ba94dffa2c21	380	switch (resp) {
JLS	0:ba94dffa2c21	381	case 4 :
JLS	0:ba94dffa2c21	382	resp = (int)response[1]; // if OK populate data
JLS	0:ba94dffa2c21	383	break;
JLS	0:ba94dffa2c21	384	default :
JLS	0:ba94dffa2c21	385	resp = -1; // else return 0
JLS	0:ba94dffa2c21	386	break;
JLS	0:ba94dffa2c21	387	}
JLS	0:ba94dffa2c21	388
JLS	0:ba94dffa2c21	389	#if DEBUGMODE
JLS	0:ba94dffa2c21	390	pc.printf(" Answer received : %d\n\r", resp);
JLS	0:ba94dffa2c21	391	#endif
JLS	0:ba94dffa2c21	392
JLS	0:ba94dffa2c21	393	return resp;
JLS	0:ba94dffa2c21	394	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	08 Feb 2011
Imports:	4
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

TFT_4DGL_main.cpp@0:ba94dffa2c21, 2011-02-08 (annotated)

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