RayleighBenard - Rayleigh–Benard System - chaos in convection

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Rayleigh–Benard System - chaos in convection

TFT_4DGL_main.cpp@0:a1daec69522c, 2011-02-16 (annotated)

Committer:: JLS
Date:: Wed Feb 16 22:02:14 2011 +0000
Revision:: 0:a1daec69522c

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User	Revision	Line number	New contents of line
JLS	0:a1daec69522c	1	//
JLS	0:a1daec69522c	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS	0:a1daec69522c	3	//
JLS	0:a1daec69522c	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS	0:a1daec69522c	5	//
JLS	0:a1daec69522c	6	// TFT_4DGL is free software: you can redistribute it and/or modify
JLS	0:a1daec69522c	7	// it under the terms of the GNU General Public License as published by
JLS	0:a1daec69522c	8	// the Free Software Foundation, either version 3 of the License, or
JLS	0:a1daec69522c	9	// (at your option) any later version.
JLS	0:a1daec69522c	10	//
JLS	0:a1daec69522c	11	// TFT_4DGL is distributed in the hope that it will be useful,
JLS	0:a1daec69522c	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS	0:a1daec69522c	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS	0:a1daec69522c	14	// GNU General Public License for more details.
JLS	0:a1daec69522c	15	//
JLS	0:a1daec69522c	16	// You should have received a copy of the GNU General Public License
JLS	0:a1daec69522c	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS	0:a1daec69522c	18
JLS	0:a1daec69522c	19	#include "mbed.h"
JLS	0:a1daec69522c	20	#include "TFT_4DGL.h"
JLS	0:a1daec69522c	21
JLS	0:a1daec69522c	22	Serial pc(USBTX,USBRX);
JLS	0:a1daec69522c	23	//DigitalOut led1(LED1), led2(LED2);
JLS	0:a1daec69522c	24
JLS	0:a1daec69522c	25	//******************************************************************************************************
JLS	0:a1daec69522c	26	TFT_4DGL :: TFT_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx), _rst(rst) { // Constructor
JLS	0:a1daec69522c	27
JLS	0:a1daec69522c	28	#if DEBUGMODE
JLS	0:a1daec69522c	29	pc.baud(115200);
JLS	0:a1daec69522c	30
JLS	0:a1daec69522c	31	pc.printf("\n\n\n");
JLS	0:a1daec69522c	32	pc.printf("********************\n\r");
JLS	0:a1daec69522c	33	pc.printf("TFT_4DGL CONSTRUCTOR\n\r");
JLS	0:a1daec69522c	34	pc.printf("********************\n\r");
JLS	0:a1daec69522c	35	#endif
JLS	0:a1daec69522c	36
JLS	0:a1daec69522c	37	_rst = 1; // put RESET pin to high to start TFT screen
JLS	0:a1daec69522c	38
JLS	0:a1daec69522c	39	reset();
JLS	0:a1daec69522c	40	autobaud(); // send autobaud command
JLS	0:a1daec69522c	41	baudrate(256000); // set the initial baudrate to 256kbps - fastest supported by uLCD-32PT
JLS	0:a1daec69522c	42	cls(); // clear screen
JLS	0:a1daec69522c	43
JLS	0:a1daec69522c	44	current_col = 0; // initial cursor col
JLS	0:a1daec69522c	45	current_row = 0; // initial cursor row
JLS	0:a1daec69522c	46	current_color = WHITE; // initial text color
JLS	0:a1daec69522c	47	current_orientation = IS_PORTRAIT; // initial screen orientation
JLS	0:a1daec69522c	48
JLS	0:a1daec69522c	49	set_font(FONT_5X7); // initial font
JLS	0:a1daec69522c	50	text_mode(TRANSPARENT); // initial text mode
JLS	0:a1daec69522c	51	display_control(0x06,0x00); // initial Image control new format
JLS	0:a1daec69522c	52	}
JLS	0:a1daec69522c	53
JLS	0:a1daec69522c	54	//******************************************************************************************************
JLS	0:a1daec69522c	55	void TFT_4DGL :: writeBYTE(char c) { // send a BYTE command to screen
JLS	0:a1daec69522c	56
JLS	0:a1daec69522c	57	_cmd.putc(c);
JLS	0:a1daec69522c	58
JLS	0:a1daec69522c	59	#if DEBUGMODE
JLS	0:a1daec69522c	60	pc.printf(" Char sent : 0x%02X ",c);
JLS	0:a1daec69522c	61	pc.putc(c);
JLS	0:a1daec69522c	62	pc.printf(" \n\r");
JLS	0:a1daec69522c	63	#endif
JLS	0:a1daec69522c	64
JLS	0:a1daec69522c	65	}
JLS	0:a1daec69522c	66
JLS	0:a1daec69522c	67	//******************************************************************************************************
JLS	0:a1daec69522c	68	void TFT_4DGL :: freeBUFFER(void) { // Clear serial buffer before writing command
JLS	0:a1daec69522c	69
JLS	0:a1daec69522c	70	while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
JLS	0:a1daec69522c	71	}
JLS	0:a1daec69522c	72
JLS	0:a1daec69522c	73	//******************************************************************************************************
JLS	0:a1daec69522c	74	int TFT_4DGL :: writeCOMMAND(char *command, int number) { // send several BYTES making a command and return an answer
JLS	0:a1daec69522c	75
JLS	0:a1daec69522c	76	#if DEBUGMODE
JLS	0:a1daec69522c	77	pc.printf("\n\r");
JLS	0:a1daec69522c	78	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:a1daec69522c	79	#endif
JLS	0:a1daec69522c	80	int i, resp = 0;
JLS	0:a1daec69522c	81	freeBUFFER();
JLS	0:a1daec69522c	82
JLS	0:a1daec69522c	83	for (i = 0; i < number; i++) writeBYTE(command[i]); // send command to serial port
JLS	0:a1daec69522c	84
JLS	0:a1daec69522c	85	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:a1daec69522c	86	if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS	0:a1daec69522c	87	switch (resp) {
JLS	0:a1daec69522c	88	case ACK : // if OK return 1
JLS	0:a1daec69522c	89	resp = 1;
JLS	0:a1daec69522c	90	break;
JLS	0:a1daec69522c	91	case NAK : // if NOK return -1
JLS	0:a1daec69522c	92	resp = -1;
JLS	0:a1daec69522c	93	break;
JLS	0:a1daec69522c	94	default :
JLS	0:a1daec69522c	95	resp = 0; // else return 0
JLS	0:a1daec69522c	96	break;
JLS	0:a1daec69522c	97	}
JLS	0:a1daec69522c	98	#if DEBUGMODE
JLS	0:a1daec69522c	99	pc.printf(" Answer received : %d\n\r",resp);
JLS	0:a1daec69522c	100	#endif
JLS	0:a1daec69522c	101
JLS	0:a1daec69522c	102	return resp;
JLS	0:a1daec69522c	103	}
JLS	0:a1daec69522c	104
JLS	0:a1daec69522c	105	//**************************************************************************
JLS	0:a1daec69522c	106	void TFT_4DGL :: reset() { // Reset Screen
JLS	0:a1daec69522c	107
JLS	0:a1daec69522c	108	_rst = 0; // put RESET pin to low
JLS	0:a1daec69522c	109	wait_ms(TEMPO); // wait a few milliseconds for command reception
JLS	0:a1daec69522c	110	_rst = 1; // put RESET back to high
JLS	0:a1daec69522c	111	wait(3); // wait 3s for screen to restart
JLS	0:a1daec69522c	112
JLS	0:a1daec69522c	113	freeBUFFER(); // clean buffer from possible garbage
JLS	0:a1daec69522c	114	}
JLS	0:a1daec69522c	115
JLS	0:a1daec69522c	116	//**************************************************************************
JLS	0:a1daec69522c	117	void TFT_4DGL :: autobaud() { // send AutoBaud command (9600)
JLS	0:a1daec69522c	118	char command[1] = "";
JLS	0:a1daec69522c	119	command[0] = AUTOBAUD;
JLS	0:a1daec69522c	120	writeCOMMAND(command, 1);
JLS	0:a1daec69522c	121	}
JLS	0:a1daec69522c	122
JLS	0:a1daec69522c	123	//**************************************************************************
JLS	0:a1daec69522c	124	void TFT_4DGL :: cls() { // clear screen
JLS	0:a1daec69522c	125	char command[1] = "";
JLS	0:a1daec69522c	126	command[0] = CLS;
JLS	0:a1daec69522c	127	writeCOMMAND(command, 1);
JLS	0:a1daec69522c	128	}
JLS	0:a1daec69522c	129
JLS	0:a1daec69522c	130	//**************************************************************************
JLS	0:a1daec69522c	131	void TFT_4DGL :: version() { // get API version
JLS	0:a1daec69522c	132	char command[2] = "";
JLS	0:a1daec69522c	133	command[0] = VERSION;
JLS	0:a1daec69522c	134	command[1] = OFF;
JLS	0:a1daec69522c	135	readVERSION(command, 2);
JLS	0:a1daec69522c	136	}
JLS	0:a1daec69522c	137
JLS	0:a1daec69522c	138	//**************************************************************************
JLS	0:a1daec69522c	139	void TFT_4DGL :: baudrate(long speed) { // set screen baud rate
JLS	0:a1daec69522c	140	char command[2]= "";
JLS	0:a1daec69522c	141	command[0] = BAUDRATE;
JLS	0:a1daec69522c	142	switch (speed) {
JLS	0:a1daec69522c	143	case 110 :
JLS	0:a1daec69522c	144	command[1] = BAUD_110;
JLS	0:a1daec69522c	145	break;
JLS	0:a1daec69522c	146	case 300 :
JLS	0:a1daec69522c	147	command[1] = BAUD_300;
JLS	0:a1daec69522c	148	break;
JLS	0:a1daec69522c	149	case 600 :
JLS	0:a1daec69522c	150	command[1] = BAUD_600;
JLS	0:a1daec69522c	151	break;
JLS	0:a1daec69522c	152	case 1200 :
JLS	0:a1daec69522c	153	command[1] = BAUD_1200;
JLS	0:a1daec69522c	154	break;
JLS	0:a1daec69522c	155	case 2400 :
JLS	0:a1daec69522c	156	command[1] = BAUD_2400;
JLS	0:a1daec69522c	157	break;
JLS	0:a1daec69522c	158	case 4800 :
JLS	0:a1daec69522c	159	command[1] = BAUD_4800;
JLS	0:a1daec69522c	160	break;
JLS	0:a1daec69522c	161	case 9600 :
JLS	0:a1daec69522c	162	command[1] = BAUD_9600;
JLS	0:a1daec69522c	163	break;
JLS	0:a1daec69522c	164	case 14400 :
JLS	0:a1daec69522c	165	command[1] = BAUD_14400;
JLS	0:a1daec69522c	166	break;
JLS	0:a1daec69522c	167	case 19200 :
JLS	0:a1daec69522c	168	command[1] = BAUD_19200;
JLS	0:a1daec69522c	169	break;
JLS	0:a1daec69522c	170	case 31250 :
JLS	0:a1daec69522c	171	command[1] = BAUD_31250;
JLS	0:a1daec69522c	172	break;
JLS	0:a1daec69522c	173	case 38400 :
JLS	0:a1daec69522c	174	command[1] = BAUD_38400;
JLS	0:a1daec69522c	175	break;
JLS	0:a1daec69522c	176	case 56000 :
JLS	0:a1daec69522c	177	command[1] = BAUD_56000;
JLS	0:a1daec69522c	178	break;
JLS	0:a1daec69522c	179	case 57600 :
JLS	0:a1daec69522c	180	command[1] = BAUD_57600;
JLS	0:a1daec69522c	181	break;
JLS	0:a1daec69522c	182	case 115200 :
JLS	0:a1daec69522c	183	command[1] = BAUD_115200;
JLS	0:a1daec69522c	184	break;
JLS	0:a1daec69522c	185	case 128000 :
JLS	0:a1daec69522c	186	command[1] = BAUD_128000;
JLS	0:a1daec69522c	187	break;
JLS	0:a1daec69522c	188	case 256000 :
JLS	0:a1daec69522c	189	command[1] = BAUD_256000;
JLS	0:a1daec69522c	190	break;
JLS	0:a1daec69522c	191	default :
JLS	0:a1daec69522c	192	command[1] = BAUD_9600;
JLS	0:a1daec69522c	193	speed = 9600;
JLS	0:a1daec69522c	194	break;
JLS	0:a1daec69522c	195	}
JLS	0:a1daec69522c	196
JLS	0:a1daec69522c	197	#if DEBUGMODE
JLS	0:a1daec69522c	198	pc.printf("\n\r");
JLS	0:a1daec69522c	199	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:a1daec69522c	200	#endif
JLS	0:a1daec69522c	201
JLS	0:a1daec69522c	202	int i, resp = 0;
JLS	0:a1daec69522c	203	freeBUFFER();
JLS	0:a1daec69522c	204
JLS	0:a1daec69522c	205	if(speed==256000)
JLS	0:a1daec69522c	206	speed=281000; //If baud rate is 256K comm at 281k - as instructed by 4DGL
JLS	0:a1daec69522c	207
JLS	0:a1daec69522c	208	for (i = 0; i <2; i++) writeBYTE(command[i]); // send command to serial port
JLS	0:a1daec69522c	209	_cmd.baud(speed); // set mbed to same speed
JLS	0:a1daec69522c	210
JLS	0:a1daec69522c	211	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:a1daec69522c	212
JLS	0:a1daec69522c	213	if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS	0:a1daec69522c	214	switch (resp) {
JLS	0:a1daec69522c	215	case ACK : // if OK return 1
JLS	0:a1daec69522c	216	resp = 1;
JLS	0:a1daec69522c	217	break;
JLS	0:a1daec69522c	218	case NAK : // if NOK return -1
JLS	0:a1daec69522c	219	resp = -1;
JLS	0:a1daec69522c	220	break;
JLS	0:a1daec69522c	221	default :
JLS	0:a1daec69522c	222	resp = 0; // else return 0
JLS	0:a1daec69522c	223	break;
JLS	0:a1daec69522c	224	}
JLS	0:a1daec69522c	225	#if DEBUGMODE
JLS	0:a1daec69522c	226	pc.printf(" Baudrate reply received : %d\n\r",resp);
JLS	0:a1daec69522c	227	#endif
JLS	0:a1daec69522c	228	}
JLS	0:a1daec69522c	229
JLS	0:a1daec69522c	230	//******************************************************************************************************
JLS	0:a1daec69522c	231	int TFT_4DGL :: readVERSION(char *command, int number) { // read screen info and populate data
JLS	0:a1daec69522c	232
JLS	0:a1daec69522c	233	int i, temp = 0, resp = 0;
JLS	0:a1daec69522c	234	char response[5] = "";
JLS	0:a1daec69522c	235
JLS	0:a1daec69522c	236	freeBUFFER();
JLS	0:a1daec69522c	237
JLS	0:a1daec69522c	238	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:a1daec69522c	239
JLS	0:a1daec69522c	240	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:a1daec69522c	241
JLS	0:a1daec69522c	242	while (_cmd.readable()) {
JLS	0:a1daec69522c	243	temp = _cmd.getc();
JLS	0:a1daec69522c	244	response[resp++] = (char)temp;
JLS	0:a1daec69522c	245	}
JLS	0:a1daec69522c	246	switch (resp) {
JLS	0:a1daec69522c	247	case 5 : // if OK populate data and return 1
JLS	0:a1daec69522c	248	type = response[0];
JLS	0:a1daec69522c	249	revision = response[1];
JLS	0:a1daec69522c	250	firmware = response[2];
JLS	0:a1daec69522c	251	reserved1 = response[3];
JLS	0:a1daec69522c	252	reserved2 = response[4];
JLS	0:a1daec69522c	253	resp = 1;
JLS	0:a1daec69522c	254	break;
JLS	0:a1daec69522c	255	default :
JLS	0:a1daec69522c	256	resp = 0; // else return 0
JLS	0:a1daec69522c	257	break;
JLS	0:a1daec69522c	258	}
JLS	0:a1daec69522c	259	return resp;
JLS	0:a1daec69522c	260	}
JLS	0:a1daec69522c	261
JLS	0:a1daec69522c	262	//****************************************************************************************************
JLS	0:a1daec69522c	263	void TFT_4DGL :: background_color(int color) { // set screen background color
JLS	0:a1daec69522c	264	char command[3]= ""; // input color is in 24bits like 0xRRGGBB
JLS	0:a1daec69522c	265
JLS	0:a1daec69522c	266	command[0] = BCKGDCOLOR;
JLS	0:a1daec69522c	267
JLS	0:a1daec69522c	268	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:a1daec69522c	269	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:a1daec69522c	270	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:a1daec69522c	271
JLS	0:a1daec69522c	272	command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:a1daec69522c	273	command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:a1daec69522c	274
JLS	0:a1daec69522c	275	writeCOMMAND(command, 3);
JLS	0:a1daec69522c	276	}
JLS	0:a1daec69522c	277
JLS	0:a1daec69522c	278	//****************************************************************************************************
JLS	0:a1daec69522c	279	void TFT_4DGL :: display_control(char mode, char value) { // set screen mode to value
JLS	0:a1daec69522c	280	char command[3]= "";
JLS	0:a1daec69522c	281
JLS	0:a1daec69522c	282	command[0] = DISPCONTROL;
JLS	0:a1daec69522c	283	command[1] = mode;
JLS	0:a1daec69522c	284	command[2] = value;
JLS	0:a1daec69522c	285
JLS	0:a1daec69522c	286	if (mode == ORIENTATION) {
JLS	0:a1daec69522c	287	switch (value) {
JLS	0:a1daec69522c	288	case LANDSCAPE :
JLS	0:a1daec69522c	289	current_orientation = IS_LANDSCAPE;
JLS	0:a1daec69522c	290	break;
JLS	0:a1daec69522c	291	case LANDSCAPE_R :
JLS	0:a1daec69522c	292	current_orientation = IS_LANDSCAPE;
JLS	0:a1daec69522c	293	break;
JLS	0:a1daec69522c	294	case PORTRAIT :
JLS	0:a1daec69522c	295	current_orientation = IS_PORTRAIT;
JLS	0:a1daec69522c	296	break;
JLS	0:a1daec69522c	297	case PORTRAIT_R :
JLS	0:a1daec69522c	298	current_orientation = IS_PORTRAIT;
JLS	0:a1daec69522c	299	break;
JLS	0:a1daec69522c	300	}
JLS	0:a1daec69522c	301	set_font(current_font);
JLS	0:a1daec69522c	302	}
JLS	0:a1daec69522c	303	writeCOMMAND(command, 3);
JLS	0:a1daec69522c	304
JLS	0:a1daec69522c	305	}
JLS	0:a1daec69522c	306
JLS	0:a1daec69522c	307	//****************************************************************************************************
JLS	0:a1daec69522c	308	void TFT_4DGL :: set_volume(char value) { // set sound volume to value
JLS	0:a1daec69522c	309	char command[2]= "";
JLS	0:a1daec69522c	310
JLS	0:a1daec69522c	311	command[0] = SETVOLUME;
JLS	0:a1daec69522c	312	command[1] = value;
JLS	0:a1daec69522c	313
JLS	0:a1daec69522c	314	writeCOMMAND(command, 2);
JLS	0:a1daec69522c	315	}
JLS	0:a1daec69522c	316
JLS	0:a1daec69522c	317
JLS	0:a1daec69522c	318	//******************************************************************************************************
JLS	0:a1daec69522c	319	void TFT_4DGL :: getTOUCH(char command, int number, int x, int *y) { // read screen info and populate data
JLS	0:a1daec69522c	320
JLS	0:a1daec69522c	321	#if DEBUGMODE
JLS	0:a1daec69522c	322	pc.printf("\n\r");
JLS	0:a1daec69522c	323	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:a1daec69522c	324	#endif
JLS	0:a1daec69522c	325	int i, temp = 0, resp = 0;
JLS	0:a1daec69522c	326	char response[5] = "";
JLS	0:a1daec69522c	327
JLS	0:a1daec69522c	328	freeBUFFER();
JLS	0:a1daec69522c	329
JLS	0:a1daec69522c	330	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:a1daec69522c	331
JLS	0:a1daec69522c	332	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:a1daec69522c	333
JLS	0:a1daec69522c	334	while (_cmd.readable()) {
JLS	0:a1daec69522c	335	temp = _cmd.getc();
JLS	0:a1daec69522c	336	response[resp++] = (char)temp;
JLS	0:a1daec69522c	337	}
JLS	0:a1daec69522c	338
JLS	0:a1daec69522c	339	#if DEBUGMODE
JLS	0:a1daec69522c	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:a1daec69522c	341	#endif
JLS	0:a1daec69522c	342
JLS	0:a1daec69522c	343	switch (resp) {
JLS	0:a1daec69522c	344	case 4 : // if OK populate data
JLS	0:a1daec69522c	345	x = ((response[0]<<8)+ response[1]) (response[0] != 0xFF);
JLS	0:a1daec69522c	346	y = ((response[2]<<8)+ response[3]) (response[2] != 0xFF);
JLS	0:a1daec69522c	347	break;
JLS	0:a1daec69522c	348	default :
JLS	0:a1daec69522c	349	*x = -1;
JLS	0:a1daec69522c	350	*y = -1;
JLS	0:a1daec69522c	351	break;
JLS	0:a1daec69522c	352	}
JLS	0:a1daec69522c	353
JLS	0:a1daec69522c	354	#if DEBUGMODE
JLS	0:a1daec69522c	355	pc.printf(" X,Y : %03d,%03d\n\r", x, y);
JLS	0:a1daec69522c	356	#endif
JLS	0:a1daec69522c	357	}
JLS	0:a1daec69522c	358
JLS	0:a1daec69522c	359	//******************************************************************************************************
JLS	0:a1daec69522c	360	int TFT_4DGL :: getSTATUS(char *command, int number) { // read screen info and populate data
JLS	0:a1daec69522c	361
JLS	0:a1daec69522c	362	#if DEBUGMODE
JLS	0:a1daec69522c	363	pc.printf("\n\r");
JLS	0:a1daec69522c	364	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:a1daec69522c	365	#endif
JLS	0:a1daec69522c	366
JLS	0:a1daec69522c	367	int i, temp = 0, resp = 0;
JLS	0:a1daec69522c	368	char response[5] = "";
JLS	0:a1daec69522c	369
JLS	0:a1daec69522c	370	freeBUFFER();
JLS	0:a1daec69522c	371
JLS	0:a1daec69522c	372	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:a1daec69522c	373
JLS	0:a1daec69522c	374	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:a1daec69522c	375
JLS	0:a1daec69522c	376	while (_cmd.readable()) {
JLS	0:a1daec69522c	377	temp = _cmd.getc();
JLS	0:a1daec69522c	378	response[resp++] = (char)temp;
JLS	0:a1daec69522c	379	}
JLS	0:a1daec69522c	380	switch (resp) {
JLS	0:a1daec69522c	381	case 4 :
JLS	0:a1daec69522c	382	resp = (int)response[1]; // if OK populate data
JLS	0:a1daec69522c	383	break;
JLS	0:a1daec69522c	384	default :
JLS	0:a1daec69522c	385	resp = -1; // else return 0
JLS	0:a1daec69522c	386	break;
JLS	0:a1daec69522c	387	}
JLS	0:a1daec69522c	388
JLS	0:a1daec69522c	389	#if DEBUGMODE
JLS	0:a1daec69522c	390	pc.printf(" Answer received : %d\n\r", resp);
JLS	0:a1daec69522c	391	#endif
JLS	0:a1daec69522c	392
JLS	0:a1daec69522c	393	return resp;
JLS	0:a1daec69522c	394	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	16 Feb 2011
Imports:	1
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

TFT_4DGL_main.cpp@0:a1daec69522c, 2011-02-16 (annotated)

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