Sierpin-Tri - Sierpinski triangle fractal - only modified algo …

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Kamil Ondrousek / Mbed 2 deprecated Sierpin-Tri

Sierpinski triangle fractal - only modified algo for 4DGL - original code Eric Wieser - THANKS

TFT_4DGL_main.cpp@0:66e8e6fa8997, 2011-01-23 (annotated)

Committer:: JLS
Date:: Sun Jan 23 17:32:41 2011 +0000
Revision:: 0:66e8e6fa8997

Who changed what in which revision?

User	Revision	Line number	New contents of line
JLS	0:66e8e6fa8997	1	//
JLS	0:66e8e6fa8997	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS	0:66e8e6fa8997	3	//
JLS	0:66e8e6fa8997	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS	0:66e8e6fa8997	5	//
JLS	0:66e8e6fa8997	6	// TFT_4DGL is free software: you can redistribute it and/or modify
JLS	0:66e8e6fa8997	7	// it under the terms of the GNU General Public License as published by
JLS	0:66e8e6fa8997	8	// the Free Software Foundation, either version 3 of the License, or
JLS	0:66e8e6fa8997	9	// (at your option) any later version.
JLS	0:66e8e6fa8997	10	//
JLS	0:66e8e6fa8997	11	// TFT_4DGL is distributed in the hope that it will be useful,
JLS	0:66e8e6fa8997	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS	0:66e8e6fa8997	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS	0:66e8e6fa8997	14	// GNU General Public License for more details.
JLS	0:66e8e6fa8997	15	//
JLS	0:66e8e6fa8997	16	// You should have received a copy of the GNU General Public License
JLS	0:66e8e6fa8997	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS	0:66e8e6fa8997	18
JLS	0:66e8e6fa8997	19	#include "mbed.h"
JLS	0:66e8e6fa8997	20	#include "TFT_4DGL.h"
JLS	0:66e8e6fa8997	21
JLS	0:66e8e6fa8997	22	Serial pc(USBTX,USBRX);
JLS	0:66e8e6fa8997	23	//DigitalOut led1(LED1), led2(LED2);
JLS	0:66e8e6fa8997	24
JLS	0:66e8e6fa8997	25	//******************************************************************************************************
JLS	0:66e8e6fa8997	26	TFT_4DGL :: TFT_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx), _rst(rst) { // Constructor
JLS	0:66e8e6fa8997	27
JLS	0:66e8e6fa8997	28	#if DEBUGMODE
JLS	0:66e8e6fa8997	29	pc.baud(115200);
JLS	0:66e8e6fa8997	30
JLS	0:66e8e6fa8997	31	pc.printf("\n\n\n");
JLS	0:66e8e6fa8997	32	pc.printf("********************\n\r");
JLS	0:66e8e6fa8997	33	pc.printf("TFT_4DGL CONSTRUCTOR\n\r");
JLS	0:66e8e6fa8997	34	pc.printf("********************\n\r");
JLS	0:66e8e6fa8997	35	#endif
JLS	0:66e8e6fa8997	36
JLS	0:66e8e6fa8997	37	_rst = 1; // put RESET pin to high to start TFT screen
JLS	0:66e8e6fa8997	38
JLS	0:66e8e6fa8997	39	reset();
JLS	0:66e8e6fa8997	40	autobaud(); // send autobaud command
JLS	0:66e8e6fa8997	41	baudrate(256000); // set the initial baudrate to 256kbps - fastest supported by uLCD-32PT
JLS	0:66e8e6fa8997	42	cls(); // clear screen
JLS	0:66e8e6fa8997	43
JLS	0:66e8e6fa8997	44	current_col = 0; // initial cursor col
JLS	0:66e8e6fa8997	45	current_row = 0; // initial cursor row
JLS	0:66e8e6fa8997	46	current_color = WHITE; // initial text color
JLS	0:66e8e6fa8997	47	current_orientation = IS_PORTRAIT; // initial screen orientation
JLS	0:66e8e6fa8997	48
JLS	0:66e8e6fa8997	49	set_font(FONT_5X7); // initial font
JLS	0:66e8e6fa8997	50	text_mode(TRANSPARENT); // initial text mode
JLS	0:66e8e6fa8997	51	display_control(0x06,0x00); // initial Image control new format
JLS	0:66e8e6fa8997	52	}
JLS	0:66e8e6fa8997	53
JLS	0:66e8e6fa8997	54	//******************************************************************************************************
JLS	0:66e8e6fa8997	55	void TFT_4DGL :: writeBYTE(char c) { // send a BYTE command to screen
JLS	0:66e8e6fa8997	56
JLS	0:66e8e6fa8997	57	_cmd.putc(c);
JLS	0:66e8e6fa8997	58
JLS	0:66e8e6fa8997	59	#if DEBUGMODE
JLS	0:66e8e6fa8997	60	pc.printf(" Char sent : 0x%02X ",c);
JLS	0:66e8e6fa8997	61	pc.putc(c);
JLS	0:66e8e6fa8997	62	pc.printf(" \n\r");
JLS	0:66e8e6fa8997	63	#endif
JLS	0:66e8e6fa8997	64
JLS	0:66e8e6fa8997	65	}
JLS	0:66e8e6fa8997	66
JLS	0:66e8e6fa8997	67	//******************************************************************************************************
JLS	0:66e8e6fa8997	68	void TFT_4DGL :: freeBUFFER(void) { // Clear serial buffer before writing command
JLS	0:66e8e6fa8997	69
JLS	0:66e8e6fa8997	70	while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
JLS	0:66e8e6fa8997	71	}
JLS	0:66e8e6fa8997	72
JLS	0:66e8e6fa8997	73	//******************************************************************************************************
JLS	0:66e8e6fa8997	74	int TFT_4DGL :: writeCOMMAND(char *command, int number) { // send several BYTES making a command and return an answer
JLS	0:66e8e6fa8997	75
JLS	0:66e8e6fa8997	76	#if DEBUGMODE
JLS	0:66e8e6fa8997	77	pc.printf("\n\r");
JLS	0:66e8e6fa8997	78	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:66e8e6fa8997	79	#endif
JLS	0:66e8e6fa8997	80	int i, resp = 0;
JLS	0:66e8e6fa8997	81	freeBUFFER();
JLS	0:66e8e6fa8997	82
JLS	0:66e8e6fa8997	83	for (i = 0; i < number; i++) writeBYTE(command[i]); // send command to serial port
JLS	0:66e8e6fa8997	84
JLS	0:66e8e6fa8997	85	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:66e8e6fa8997	86	if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS	0:66e8e6fa8997	87	switch (resp) {
JLS	0:66e8e6fa8997	88	case ACK : // if OK return 1
JLS	0:66e8e6fa8997	89	resp = 1;
JLS	0:66e8e6fa8997	90	break;
JLS	0:66e8e6fa8997	91	case NAK : // if NOK return -1
JLS	0:66e8e6fa8997	92	resp = -1;
JLS	0:66e8e6fa8997	93	break;
JLS	0:66e8e6fa8997	94	default :
JLS	0:66e8e6fa8997	95	resp = 0; // else return 0
JLS	0:66e8e6fa8997	96	break;
JLS	0:66e8e6fa8997	97	}
JLS	0:66e8e6fa8997	98	#if DEBUGMODE
JLS	0:66e8e6fa8997	99	pc.printf(" Answer received : %d\n\r",resp);
JLS	0:66e8e6fa8997	100	#endif
JLS	0:66e8e6fa8997	101
JLS	0:66e8e6fa8997	102	return resp;
JLS	0:66e8e6fa8997	103	}
JLS	0:66e8e6fa8997	104
JLS	0:66e8e6fa8997	105	//**************************************************************************
JLS	0:66e8e6fa8997	106	void TFT_4DGL :: reset() { // Reset Screen
JLS	0:66e8e6fa8997	107
JLS	0:66e8e6fa8997	108	_rst = 0; // put RESET pin to low
JLS	0:66e8e6fa8997	109	wait_ms(TEMPO); // wait a few milliseconds for command reception
JLS	0:66e8e6fa8997	110	_rst = 1; // put RESET back to high
JLS	0:66e8e6fa8997	111	wait(3); // wait 3s for screen to restart
JLS	0:66e8e6fa8997	112
JLS	0:66e8e6fa8997	113	freeBUFFER(); // clean buffer from possible garbage
JLS	0:66e8e6fa8997	114	}
JLS	0:66e8e6fa8997	115
JLS	0:66e8e6fa8997	116	//**************************************************************************
JLS	0:66e8e6fa8997	117	void TFT_4DGL :: autobaud() { // send AutoBaud command (9600)
JLS	0:66e8e6fa8997	118	char command[1] = "";
JLS	0:66e8e6fa8997	119	command[0] = AUTOBAUD;
JLS	0:66e8e6fa8997	120	writeCOMMAND(command, 1);
JLS	0:66e8e6fa8997	121	}
JLS	0:66e8e6fa8997	122
JLS	0:66e8e6fa8997	123	//**************************************************************************
JLS	0:66e8e6fa8997	124	void TFT_4DGL :: cls() { // clear screen
JLS	0:66e8e6fa8997	125	char command[1] = "";
JLS	0:66e8e6fa8997	126	command[0] = CLS;
JLS	0:66e8e6fa8997	127	writeCOMMAND(command, 1);
JLS	0:66e8e6fa8997	128	}
JLS	0:66e8e6fa8997	129
JLS	0:66e8e6fa8997	130	//**************************************************************************
JLS	0:66e8e6fa8997	131	void TFT_4DGL :: version() { // get API version
JLS	0:66e8e6fa8997	132	char command[2] = "";
JLS	0:66e8e6fa8997	133	command[0] = VERSION;
JLS	0:66e8e6fa8997	134	command[1] = OFF;
JLS	0:66e8e6fa8997	135	readVERSION(command, 2);
JLS	0:66e8e6fa8997	136	}
JLS	0:66e8e6fa8997	137
JLS	0:66e8e6fa8997	138	//**************************************************************************
JLS	0:66e8e6fa8997	139	void TFT_4DGL :: baudrate(long speed) { // set screen baud rate
JLS	0:66e8e6fa8997	140	char command[2]= "";
JLS	0:66e8e6fa8997	141	command[0] = BAUDRATE;
JLS	0:66e8e6fa8997	142	switch (speed) {
JLS	0:66e8e6fa8997	143	case 110 :
JLS	0:66e8e6fa8997	144	command[1] = BAUD_110;
JLS	0:66e8e6fa8997	145	break;
JLS	0:66e8e6fa8997	146	case 300 :
JLS	0:66e8e6fa8997	147	command[1] = BAUD_300;
JLS	0:66e8e6fa8997	148	break;
JLS	0:66e8e6fa8997	149	case 600 :
JLS	0:66e8e6fa8997	150	command[1] = BAUD_600;
JLS	0:66e8e6fa8997	151	break;
JLS	0:66e8e6fa8997	152	case 1200 :
JLS	0:66e8e6fa8997	153	command[1] = BAUD_1200;
JLS	0:66e8e6fa8997	154	break;
JLS	0:66e8e6fa8997	155	case 2400 :
JLS	0:66e8e6fa8997	156	command[1] = BAUD_2400;
JLS	0:66e8e6fa8997	157	break;
JLS	0:66e8e6fa8997	158	case 4800 :
JLS	0:66e8e6fa8997	159	command[1] = BAUD_4800;
JLS	0:66e8e6fa8997	160	break;
JLS	0:66e8e6fa8997	161	case 9600 :
JLS	0:66e8e6fa8997	162	command[1] = BAUD_9600;
JLS	0:66e8e6fa8997	163	break;
JLS	0:66e8e6fa8997	164	case 14400 :
JLS	0:66e8e6fa8997	165	command[1] = BAUD_14400;
JLS	0:66e8e6fa8997	166	break;
JLS	0:66e8e6fa8997	167	case 19200 :
JLS	0:66e8e6fa8997	168	command[1] = BAUD_19200;
JLS	0:66e8e6fa8997	169	break;
JLS	0:66e8e6fa8997	170	case 31250 :
JLS	0:66e8e6fa8997	171	command[1] = BAUD_31250;
JLS	0:66e8e6fa8997	172	break;
JLS	0:66e8e6fa8997	173	case 38400 :
JLS	0:66e8e6fa8997	174	command[1] = BAUD_38400;
JLS	0:66e8e6fa8997	175	break;
JLS	0:66e8e6fa8997	176	case 56000 :
JLS	0:66e8e6fa8997	177	command[1] = BAUD_56000;
JLS	0:66e8e6fa8997	178	break;
JLS	0:66e8e6fa8997	179	case 57600 :
JLS	0:66e8e6fa8997	180	command[1] = BAUD_57600;
JLS	0:66e8e6fa8997	181	break;
JLS	0:66e8e6fa8997	182	case 115200 :
JLS	0:66e8e6fa8997	183	command[1] = BAUD_115200;
JLS	0:66e8e6fa8997	184	break;
JLS	0:66e8e6fa8997	185	case 128000 :
JLS	0:66e8e6fa8997	186	command[1] = BAUD_128000;
JLS	0:66e8e6fa8997	187	break;
JLS	0:66e8e6fa8997	188	case 256000 :
JLS	0:66e8e6fa8997	189	command[1] = BAUD_256000;
JLS	0:66e8e6fa8997	190	break;
JLS	0:66e8e6fa8997	191	default :
JLS	0:66e8e6fa8997	192	command[1] = BAUD_9600;
JLS	0:66e8e6fa8997	193	speed = 9600;
JLS	0:66e8e6fa8997	194	break;
JLS	0:66e8e6fa8997	195	}
JLS	0:66e8e6fa8997	196
JLS	0:66e8e6fa8997	197	#if DEBUGMODE
JLS	0:66e8e6fa8997	198	pc.printf("\n\r");
JLS	0:66e8e6fa8997	199	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:66e8e6fa8997	200	#endif
JLS	0:66e8e6fa8997	201
JLS	0:66e8e6fa8997	202	int i, resp = 0;
JLS	0:66e8e6fa8997	203	freeBUFFER();
JLS	0:66e8e6fa8997	204
JLS	0:66e8e6fa8997	205	if(speed==256000)
JLS	0:66e8e6fa8997	206	speed=281000; //If baud rate is 256K comm at 281k - as instructed by 4DGL
JLS	0:66e8e6fa8997	207
JLS	0:66e8e6fa8997	208	for (i = 0; i <2; i++) writeBYTE(command[i]); // send command to serial port
JLS	0:66e8e6fa8997	209	_cmd.baud(speed); // set mbed to same speed
JLS	0:66e8e6fa8997	210
JLS	0:66e8e6fa8997	211	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:66e8e6fa8997	212
JLS	0:66e8e6fa8997	213	if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS	0:66e8e6fa8997	214	switch (resp) {
JLS	0:66e8e6fa8997	215	case ACK : // if OK return 1
JLS	0:66e8e6fa8997	216	resp = 1;
JLS	0:66e8e6fa8997	217	break;
JLS	0:66e8e6fa8997	218	case NAK : // if NOK return -1
JLS	0:66e8e6fa8997	219	resp = -1;
JLS	0:66e8e6fa8997	220	break;
JLS	0:66e8e6fa8997	221	default :
JLS	0:66e8e6fa8997	222	resp = 0; // else return 0
JLS	0:66e8e6fa8997	223	break;
JLS	0:66e8e6fa8997	224	}
JLS	0:66e8e6fa8997	225	#if DEBUGMODE
JLS	0:66e8e6fa8997	226	pc.printf(" Baudrate reply received : %d\n\r",resp);
JLS	0:66e8e6fa8997	227	#endif
JLS	0:66e8e6fa8997	228	}
JLS	0:66e8e6fa8997	229
JLS	0:66e8e6fa8997	230	//******************************************************************************************************
JLS	0:66e8e6fa8997	231	int TFT_4DGL :: readVERSION(char *command, int number) { // read screen info and populate data
JLS	0:66e8e6fa8997	232
JLS	0:66e8e6fa8997	233	int i, temp = 0, resp = 0;
JLS	0:66e8e6fa8997	234	char response[5] = "";
JLS	0:66e8e6fa8997	235
JLS	0:66e8e6fa8997	236	freeBUFFER();
JLS	0:66e8e6fa8997	237
JLS	0:66e8e6fa8997	238	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:66e8e6fa8997	239
JLS	0:66e8e6fa8997	240	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:66e8e6fa8997	241
JLS	0:66e8e6fa8997	242	while (_cmd.readable()) {
JLS	0:66e8e6fa8997	243	temp = _cmd.getc();
JLS	0:66e8e6fa8997	244	response[resp++] = (char)temp;
JLS	0:66e8e6fa8997	245	}
JLS	0:66e8e6fa8997	246	switch (resp) {
JLS	0:66e8e6fa8997	247	case 5 : // if OK populate data and return 1
JLS	0:66e8e6fa8997	248	type = response[0];
JLS	0:66e8e6fa8997	249	revision = response[1];
JLS	0:66e8e6fa8997	250	firmware = response[2];
JLS	0:66e8e6fa8997	251	reserved1 = response[3];
JLS	0:66e8e6fa8997	252	reserved2 = response[4];
JLS	0:66e8e6fa8997	253	resp = 1;
JLS	0:66e8e6fa8997	254	break;
JLS	0:66e8e6fa8997	255	default :
JLS	0:66e8e6fa8997	256	resp = 0; // else return 0
JLS	0:66e8e6fa8997	257	break;
JLS	0:66e8e6fa8997	258	}
JLS	0:66e8e6fa8997	259	return resp;
JLS	0:66e8e6fa8997	260	}
JLS	0:66e8e6fa8997	261
JLS	0:66e8e6fa8997	262	//****************************************************************************************************
JLS	0:66e8e6fa8997	263	void TFT_4DGL :: background_color(int color) { // set screen background color
JLS	0:66e8e6fa8997	264	char command[3]= ""; // input color is in 24bits like 0xRRGGBB
JLS	0:66e8e6fa8997	265
JLS	0:66e8e6fa8997	266	command[0] = BCKGDCOLOR;
JLS	0:66e8e6fa8997	267
JLS	0:66e8e6fa8997	268	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:66e8e6fa8997	269	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:66e8e6fa8997	270	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:66e8e6fa8997	271
JLS	0:66e8e6fa8997	272	command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:66e8e6fa8997	273	command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:66e8e6fa8997	274
JLS	0:66e8e6fa8997	275	writeCOMMAND(command, 3);
JLS	0:66e8e6fa8997	276	}
JLS	0:66e8e6fa8997	277
JLS	0:66e8e6fa8997	278	//****************************************************************************************************
JLS	0:66e8e6fa8997	279	void TFT_4DGL :: display_control(char mode, char value) { // set screen mode to value
JLS	0:66e8e6fa8997	280	char command[3]= "";
JLS	0:66e8e6fa8997	281
JLS	0:66e8e6fa8997	282	command[0] = DISPCONTROL;
JLS	0:66e8e6fa8997	283	command[1] = mode;
JLS	0:66e8e6fa8997	284	command[2] = value;
JLS	0:66e8e6fa8997	285
JLS	0:66e8e6fa8997	286	if (mode == ORIENTATION) {
JLS	0:66e8e6fa8997	287	switch (value) {
JLS	0:66e8e6fa8997	288	case LANDSCAPE :
JLS	0:66e8e6fa8997	289	current_orientation = IS_LANDSCAPE;
JLS	0:66e8e6fa8997	290	break;
JLS	0:66e8e6fa8997	291	case LANDSCAPE_R :
JLS	0:66e8e6fa8997	292	current_orientation = IS_LANDSCAPE;
JLS	0:66e8e6fa8997	293	break;
JLS	0:66e8e6fa8997	294	case PORTRAIT :
JLS	0:66e8e6fa8997	295	current_orientation = IS_PORTRAIT;
JLS	0:66e8e6fa8997	296	break;
JLS	0:66e8e6fa8997	297	case PORTRAIT_R :
JLS	0:66e8e6fa8997	298	current_orientation = IS_PORTRAIT;
JLS	0:66e8e6fa8997	299	break;
JLS	0:66e8e6fa8997	300	}
JLS	0:66e8e6fa8997	301	set_font(current_font);
JLS	0:66e8e6fa8997	302	}
JLS	0:66e8e6fa8997	303	writeCOMMAND(command, 3);
JLS	0:66e8e6fa8997	304
JLS	0:66e8e6fa8997	305	}
JLS	0:66e8e6fa8997	306
JLS	0:66e8e6fa8997	307	//****************************************************************************************************
JLS	0:66e8e6fa8997	308	void TFT_4DGL :: set_volume(char value) { // set sound volume to value
JLS	0:66e8e6fa8997	309	char command[2]= "";
JLS	0:66e8e6fa8997	310
JLS	0:66e8e6fa8997	311	command[0] = SETVOLUME;
JLS	0:66e8e6fa8997	312	command[1] = value;
JLS	0:66e8e6fa8997	313
JLS	0:66e8e6fa8997	314	writeCOMMAND(command, 2);
JLS	0:66e8e6fa8997	315	}
JLS	0:66e8e6fa8997	316
JLS	0:66e8e6fa8997	317
JLS	0:66e8e6fa8997	318	//******************************************************************************************************
JLS	0:66e8e6fa8997	319	void TFT_4DGL :: getTOUCH(char command, int number, int x, int *y) { // read screen info and populate data
JLS	0:66e8e6fa8997	320
JLS	0:66e8e6fa8997	321	#if DEBUGMODE
JLS	0:66e8e6fa8997	322	pc.printf("\n\r");
JLS	0:66e8e6fa8997	323	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:66e8e6fa8997	324	#endif
JLS	0:66e8e6fa8997	325	int i, temp = 0, resp = 0;
JLS	0:66e8e6fa8997	326	char response[5] = "";
JLS	0:66e8e6fa8997	327
JLS	0:66e8e6fa8997	328	freeBUFFER();
JLS	0:66e8e6fa8997	329
JLS	0:66e8e6fa8997	330	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:66e8e6fa8997	331
JLS	0:66e8e6fa8997	332	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:66e8e6fa8997	333
JLS	0:66e8e6fa8997	334	while (_cmd.readable()) {
JLS	0:66e8e6fa8997	335	temp = _cmd.getc();
JLS	0:66e8e6fa8997	336	response[resp++] = (char)temp;
JLS	0:66e8e6fa8997	337	}
JLS	0:66e8e6fa8997	338
JLS	0:66e8e6fa8997	339	#if DEBUGMODE
JLS	0:66e8e6fa8997	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	0:66e8e6fa8997	341	#endif
JLS	0:66e8e6fa8997	342
JLS	0:66e8e6fa8997	343	switch (resp) {
JLS	0:66e8e6fa8997	344	case 4 : // if OK populate data
JLS	0:66e8e6fa8997	345	x = ((response[0]<<8)+ response[1]) (response[0] != 0xFF);
JLS	0:66e8e6fa8997	346	y = ((response[2]<<8)+ response[3]) (response[2] != 0xFF);
JLS	0:66e8e6fa8997	347	break;
JLS	0:66e8e6fa8997	348	default :
JLS	0:66e8e6fa8997	349	*x = -1;
JLS	0:66e8e6fa8997	350	*y = -1;
JLS	0:66e8e6fa8997	351	break;
JLS	0:66e8e6fa8997	352	}
JLS	0:66e8e6fa8997	353
JLS	0:66e8e6fa8997	354	#if DEBUGMODE
JLS	0:66e8e6fa8997	355	pc.printf(" X,Y : %03d,%03d\n\r", x, y);
JLS	0:66e8e6fa8997	356	#endif
JLS	0:66e8e6fa8997	357	}
JLS	0:66e8e6fa8997	358
JLS	0:66e8e6fa8997	359	//******************************************************************************************************
JLS	0:66e8e6fa8997	360	int TFT_4DGL :: getSTATUS(char *command, int number) { // read screen info and populate data
JLS	0:66e8e6fa8997	361
JLS	0:66e8e6fa8997	362	#if DEBUGMODE
JLS	0:66e8e6fa8997	363	pc.printf("\n\r");
JLS	0:66e8e6fa8997	364	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:66e8e6fa8997	365	#endif
JLS	0:66e8e6fa8997	366
JLS	0:66e8e6fa8997	367	int i, temp = 0, resp = 0;
JLS	0:66e8e6fa8997	368	char response[5] = "";
JLS	0:66e8e6fa8997	369
JLS	0:66e8e6fa8997	370	freeBUFFER();
JLS	0:66e8e6fa8997	371
JLS	0:66e8e6fa8997	372	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:66e8e6fa8997	373
JLS	0:66e8e6fa8997	374	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:66e8e6fa8997	375
JLS	0:66e8e6fa8997	376	while (_cmd.readable()) {
JLS	0:66e8e6fa8997	377	temp = _cmd.getc();
JLS	0:66e8e6fa8997	378	response[resp++] = (char)temp;
JLS	0:66e8e6fa8997	379	}
JLS	0:66e8e6fa8997	380	switch (resp) {
JLS	0:66e8e6fa8997	381	case 4 :
JLS	0:66e8e6fa8997	382	resp = (int)response[1]; // if OK populate data
JLS	0:66e8e6fa8997	383	break;
JLS	0:66e8e6fa8997	384	default :
JLS	0:66e8e6fa8997	385	resp = -1; // else return 0
JLS	0:66e8e6fa8997	386	break;
JLS	0:66e8e6fa8997	387	}
JLS	0:66e8e6fa8997	388
JLS	0:66e8e6fa8997	389	#if DEBUGMODE
JLS	0:66e8e6fa8997	390	pc.printf(" Answer received : %d\n\r", resp);
JLS	0:66e8e6fa8997	391	#endif
JLS	0:66e8e6fa8997	392
JLS	0:66e8e6fa8997	393	return resp;
JLS	0:66e8e6fa8997	394	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	23 Jan 2011
Imports:	3
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

TFT_4DGL_main.cpp@0:66e8e6fa8997, 2011-01-23 (annotated)

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