ACT - ACT attractor

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ACT attractor

TFT_4DGL_main.cpp@0:1c4e0927d6e3, 2011-01-01 (annotated)

Committer:: JLS
Date:: Sat Jan 01 12:47:14 2011 +0000
Revision:: 0:1c4e0927d6e3

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User	Revision	Line number	New contents of line
JLS	0:1c4e0927d6e3	1	//
JLS	0:1c4e0927d6e3	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS	0:1c4e0927d6e3	3	//
JLS	0:1c4e0927d6e3	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS	0:1c4e0927d6e3	5	//
JLS	0:1c4e0927d6e3	6	// TFT_4DGL is free software: you can redistribute it and/or modify
JLS	0:1c4e0927d6e3	7	// it under the terms of the GNU General Public License as published by
JLS	0:1c4e0927d6e3	8	// the Free Software Foundation, either version 3 of the License, or
JLS	0:1c4e0927d6e3	9	// (at your option) any later version.
JLS	0:1c4e0927d6e3	10	//
JLS	0:1c4e0927d6e3	11	// TFT_4DGL is distributed in the hope that it will be useful,
JLS	0:1c4e0927d6e3	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS	0:1c4e0927d6e3	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS	0:1c4e0927d6e3	14	// GNU General Public License for more details.
JLS	0:1c4e0927d6e3	15	//
JLS	0:1c4e0927d6e3	16	// You should have received a copy of the GNU General Public License
JLS	0:1c4e0927d6e3	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS	0:1c4e0927d6e3	18
JLS	0:1c4e0927d6e3	19	#include "mbed.h"
JLS	0:1c4e0927d6e3	20	#include "TFT_4DGL.h"
JLS	0:1c4e0927d6e3	21
JLS	0:1c4e0927d6e3	22	Serial pc(USBTX,USBRX);
JLS	0:1c4e0927d6e3	23	//DigitalOut led1(LED1), led2(LED2);
JLS	0:1c4e0927d6e3	24
JLS	0:1c4e0927d6e3	25	//******************************************************************************************************
JLS	0:1c4e0927d6e3	26	TFT_4DGL :: TFT_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx), _rst(rst) { // Constructor
JLS	0:1c4e0927d6e3	27
JLS	0:1c4e0927d6e3	28	#if DEBUGMODE
JLS	0:1c4e0927d6e3	29	pc.baud(115200);
JLS	0:1c4e0927d6e3	30
JLS	0:1c4e0927d6e3	31	pc.printf("\n\n\n");
JLS	0:1c4e0927d6e3	32	pc.printf("********************\n\r");
JLS	0:1c4e0927d6e3	33	pc.printf("TFT_4DGL CONSTRUCTOR\n\r");
JLS	0:1c4e0927d6e3	34	pc.printf("********************\n\r");
JLS	0:1c4e0927d6e3	35	#endif
JLS	0:1c4e0927d6e3	36
JLS	0:1c4e0927d6e3	37	_rst = 1; // put RESET pin to high to start TFT screen
JLS	0:1c4e0927d6e3	38
JLS	0:1c4e0927d6e3	39	reset();
JLS	0:1c4e0927d6e3	40	autobaud(); // send autobaud command
JLS	0:1c4e0927d6e3	41	baudrate(256000); // set the initial baudrate to 256kbps - fastest supported by uLCD-32PT
JLS	0:1c4e0927d6e3	42	cls(); // clear screen
JLS	0:1c4e0927d6e3	43
JLS	0:1c4e0927d6e3	44	current_col = 0; // initial cursor col
JLS	0:1c4e0927d6e3	45	current_row = 0; // initial cursor row
JLS	0:1c4e0927d6e3	46	current_color = WHITE; // initial text color
JLS	0:1c4e0927d6e3	47	current_orientation = IS_PORTRAIT; // initial screen orientation
JLS	0:1c4e0927d6e3	48
JLS	0:1c4e0927d6e3	49	set_font(FONT_5X7); // initial font
JLS	0:1c4e0927d6e3	50	text_mode(TRANSPARENT); // initial text mode
JLS	0:1c4e0927d6e3	51	display_control(0x06,0x00); // initial Image control new format
JLS	0:1c4e0927d6e3	52	}
JLS	0:1c4e0927d6e3	53
JLS	0:1c4e0927d6e3	54	//******************************************************************************************************
JLS	0:1c4e0927d6e3	55	void TFT_4DGL :: writeBYTE(char c) { // send a BYTE command to screen
JLS	0:1c4e0927d6e3	56
JLS	0:1c4e0927d6e3	57	_cmd.putc(c);
JLS	0:1c4e0927d6e3	58
JLS	0:1c4e0927d6e3	59	#if DEBUGMODE
JLS	0:1c4e0927d6e3	60	pc.printf(" Char sent : 0x%02X ",c);
JLS	0:1c4e0927d6e3	61	pc.putc(c);
JLS	0:1c4e0927d6e3	62	pc.printf(" \n\r");
JLS	0:1c4e0927d6e3	63	#endif
JLS	0:1c4e0927d6e3	64
JLS	0:1c4e0927d6e3	65	}
JLS	0:1c4e0927d6e3	66
JLS	0:1c4e0927d6e3	67	//******************************************************************************************************
JLS	0:1c4e0927d6e3	68	void TFT_4DGL :: freeBUFFER(void) { // Clear serial buffer before writing command
JLS	0:1c4e0927d6e3	69
JLS	0:1c4e0927d6e3	70	while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
JLS	0:1c4e0927d6e3	71	}
JLS	0:1c4e0927d6e3	72
JLS	0:1c4e0927d6e3	73	//******************************************************************************************************
JLS	0:1c4e0927d6e3	74	int TFT_4DGL :: writeCOMMAND(char *command, int number) { // send several BYTES making a command and return an answer
JLS	0:1c4e0927d6e3	75
JLS	0:1c4e0927d6e3	76	#if DEBUGMODE
JLS	0:1c4e0927d6e3	77	pc.printf("\n\r");
JLS	0:1c4e0927d6e3	78	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:1c4e0927d6e3	79	#endif
JLS	0:1c4e0927d6e3	80	int i, resp = 0;
JLS	0:1c4e0927d6e3	81	freeBUFFER();
JLS	0:1c4e0927d6e3	82
JLS	0:1c4e0927d6e3	83	for (i = 0; i < number; i++) writeBYTE(command[i]); // send command to serial port
JLS	0:1c4e0927d6e3	84
JLS	0:1c4e0927d6e3	85	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:1c4e0927d6e3	86	if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS	0:1c4e0927d6e3	87	switch (resp) {
JLS	0:1c4e0927d6e3	88	case ACK : // if OK return 1
JLS	0:1c4e0927d6e3	89	resp = 1;
JLS	0:1c4e0927d6e3	90	break;
JLS	0:1c4e0927d6e3	91	case NAK : // if NOK return -1
JLS	0:1c4e0927d6e3	92	resp = -1;
JLS	0:1c4e0927d6e3	93	break;
JLS	0:1c4e0927d6e3	94	default :
JLS	0:1c4e0927d6e3	95	resp = 0; // else return 0
JLS	0:1c4e0927d6e3	96	break;
JLS	0:1c4e0927d6e3	97	}
JLS	0:1c4e0927d6e3	98	#if DEBUGMODE
JLS	0:1c4e0927d6e3	99	pc.printf(" Answer received : %d\n\r",resp);
JLS	0:1c4e0927d6e3	100	#endif
JLS	0:1c4e0927d6e3	101
JLS	0:1c4e0927d6e3	102	return resp;
JLS	0:1c4e0927d6e3	103	}
JLS	0:1c4e0927d6e3	104
JLS	0:1c4e0927d6e3	105	//**************************************************************************
JLS	0:1c4e0927d6e3	106	void TFT_4DGL :: reset() { // Reset Screen
JLS	0:1c4e0927d6e3	107
JLS	0:1c4e0927d6e3	108	_rst = 0; // put RESET pin to low
JLS	0:1c4e0927d6e3	109	wait_ms(TEMPO); // wait a few milliseconds for command reception
JLS	0:1c4e0927d6e3	110	_rst = 1; // put RESET back to high
JLS	0:1c4e0927d6e3	111	wait(3); // wait 3s for screen to restart
JLS	0:1c4e0927d6e3	112
JLS	0:1c4e0927d6e3	113	freeBUFFER(); // clean buffer from possible garbage
JLS	0:1c4e0927d6e3	114	}
JLS	0:1c4e0927d6e3	115
JLS	0:1c4e0927d6e3	116	//**************************************************************************
JLS	0:1c4e0927d6e3	117	void TFT_4DGL :: autobaud() { // send AutoBaud command (9600)
JLS	0:1c4e0927d6e3	118	char command[1] = "";
JLS	0:1c4e0927d6e3	119	command[0] = AUTOBAUD;
JLS	0:1c4e0927d6e3	120	writeCOMMAND(command, 1);
JLS	0:1c4e0927d6e3	121	}
JLS	0:1c4e0927d6e3	122
JLS	0:1c4e0927d6e3	123	//**************************************************************************
JLS	0:1c4e0927d6e3	124	void TFT_4DGL :: cls() { // clear screen
JLS	0:1c4e0927d6e3	125	char command[1] = "";
JLS	0:1c4e0927d6e3	126	command[0] = CLS;
JLS	0:1c4e0927d6e3	127	writeCOMMAND(command, 1);
JLS	0:1c4e0927d6e3	128	}
JLS	0:1c4e0927d6e3	129
JLS	0:1c4e0927d6e3	130	//**************************************************************************
JLS	0:1c4e0927d6e3	131	void TFT_4DGL :: version() { // get API version
JLS	0:1c4e0927d6e3	132	char command[2] = "";
JLS	0:1c4e0927d6e3	133	command[0] = VERSION;
JLS	0:1c4e0927d6e3	134	command[1] = OFF;
JLS	0:1c4e0927d6e3	135	readVERSION(command, 2);
JLS	0:1c4e0927d6e3	136	}
JLS	0:1c4e0927d6e3	137
JLS	0:1c4e0927d6e3	138	//**************************************************************************
JLS	0:1c4e0927d6e3	139	void TFT_4DGL :: baudrate(long speed) { // set screen baud rate
JLS	0:1c4e0927d6e3	140	char command[2]= "";
JLS	0:1c4e0927d6e3	141	command[0] = BAUDRATE;
JLS	0:1c4e0927d6e3	142	switch (speed) {
JLS	0:1c4e0927d6e3	143	case 110 :
JLS	0:1c4e0927d6e3	144	command[1] = BAUD_110;
JLS	0:1c4e0927d6e3	145	break;
JLS	0:1c4e0927d6e3	146	case 300 :
JLS	0:1c4e0927d6e3	147	command[1] = BAUD_300;
JLS	0:1c4e0927d6e3	148	break;
JLS	0:1c4e0927d6e3	149	case 600 :
JLS	0:1c4e0927d6e3	150	command[1] = BAUD_600;
JLS	0:1c4e0927d6e3	151	break;
JLS	0:1c4e0927d6e3	152	case 1200 :
JLS	0:1c4e0927d6e3	153	command[1] = BAUD_1200;
JLS	0:1c4e0927d6e3	154	break;
JLS	0:1c4e0927d6e3	155	case 2400 :
JLS	0:1c4e0927d6e3	156	command[1] = BAUD_2400;
JLS	0:1c4e0927d6e3	157	break;
JLS	0:1c4e0927d6e3	158	case 4800 :
JLS	0:1c4e0927d6e3	159	command[1] = BAUD_4800;
JLS	0:1c4e0927d6e3	160	break;
JLS	0:1c4e0927d6e3	161	case 9600 :
JLS	0:1c4e0927d6e3	162	command[1] = BAUD_9600;
JLS	0:1c4e0927d6e3	163	break;
JLS	0:1c4e0927d6e3	164	case 14400 :
JLS	0:1c4e0927d6e3	165	command[1] = BAUD_14400;
JLS	0:1c4e0927d6e3	166	break;
JLS	0:1c4e0927d6e3	167	case 19200 :
JLS	0:1c4e0927d6e3	168	command[1] = BAUD_19200;
JLS	0:1c4e0927d6e3	169	break;
JLS	0:1c4e0927d6e3	170	case 31250 :
JLS	0:1c4e0927d6e3	171	command[1] = BAUD_31250;
JLS	0:1c4e0927d6e3	172	break;
JLS	0:1c4e0927d6e3	173	case 38400 :
JLS	0:1c4e0927d6e3	174	command[1] = BAUD_38400;
JLS	0:1c4e0927d6e3	175	break;
JLS	0:1c4e0927d6e3	176	case 56000 :
JLS	0:1c4e0927d6e3	177	command[1] = BAUD_56000;
JLS	0:1c4e0927d6e3	178	break;
JLS	0:1c4e0927d6e3	179	case 57600 :
JLS	0:1c4e0927d6e3	180	command[1] = BAUD_57600;
JLS	0:1c4e0927d6e3	181	break;
JLS	0:1c4e0927d6e3	182	case 115200 :
JLS	0:1c4e0927d6e3	183	command[1] = BAUD_115200;
JLS	0:1c4e0927d6e3	184	break;
JLS	0:1c4e0927d6e3	185	case 128000 :
JLS	0:1c4e0927d6e3	186	command[1] = BAUD_128000;
JLS	0:1c4e0927d6e3	187	break;
JLS	0:1c4e0927d6e3	188	case 256000 :
JLS	0:1c4e0927d6e3	189	command[1] = BAUD_256000;
JLS	0:1c4e0927d6e3	190	break;
JLS	0:1c4e0927d6e3	191	default :
JLS	0:1c4e0927d6e3	192	command[1] = BAUD_9600;
JLS	0:1c4e0927d6e3	193	speed = 9600;
JLS	0:1c4e0927d6e3	194	break;
JLS	0:1c4e0927d6e3	195	}
JLS	0:1c4e0927d6e3	196
JLS	0:1c4e0927d6e3	197	#if DEBUGMODE
JLS	0:1c4e0927d6e3	198	pc.printf("\n\r");
JLS	0:1c4e0927d6e3	199	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:1c4e0927d6e3	200	#endif
JLS	0:1c4e0927d6e3	201
JLS	0:1c4e0927d6e3	202	int i, resp = 0;
JLS	0:1c4e0927d6e3	203	freeBUFFER();
JLS	0:1c4e0927d6e3	204
JLS	0:1c4e0927d6e3	205	if(speed==256000)
JLS	0:1c4e0927d6e3	206	speed=281000; //If baud rate is 256K comm at 281k - as instructed by 4DGL
JLS	0:1c4e0927d6e3	207
JLS	0:1c4e0927d6e3	208	for (i = 0; i <2; i++) writeBYTE(command[i]); // send command to serial port
JLS	0:1c4e0927d6e3	209	_cmd.baud(speed); // set mbed to same speed
JLS	0:1c4e0927d6e3	210
JLS	0:1c4e0927d6e3	211	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:1c4e0927d6e3	212
JLS	0:1c4e0927d6e3	213	if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS	0:1c4e0927d6e3	214	switch (resp) {
JLS	0:1c4e0927d6e3	215	case ACK : // if OK return 1
JLS	0:1c4e0927d6e3	216	resp = 1;
JLS	0:1c4e0927d6e3	217	break;
JLS	0:1c4e0927d6e3	218	case NAK : // if NOK return -1
JLS	0:1c4e0927d6e3	219	resp = -1;
JLS	0:1c4e0927d6e3	220	break;
JLS	0:1c4e0927d6e3	221	default :
JLS	0:1c4e0927d6e3	222	resp = 0; // else return 0
JLS	0:1c4e0927d6e3	223	break;
JLS	0:1c4e0927d6e3	224	}
JLS	0:1c4e0927d6e3	225	#if DEBUGMODE
JLS	0:1c4e0927d6e3	226	pc.printf(" Baudrate reply received : %d\n\r",resp);
JLS	0:1c4e0927d6e3	227	#endif
JLS	0:1c4e0927d6e3	228	}
JLS	0:1c4e0927d6e3	229
JLS	0:1c4e0927d6e3	230	//******************************************************************************************************
JLS	0:1c4e0927d6e3	231	int TFT_4DGL :: readVERSION(char *command, int number) { // read screen info and populate data
JLS	0:1c4e0927d6e3	232
JLS	0:1c4e0927d6e3	233	int i, temp = 0, resp = 0;
JLS	0:1c4e0927d6e3	234	char response[5] = "";
JLS	0:1c4e0927d6e3	235
JLS	0:1c4e0927d6e3	236	freeBUFFER();
JLS	0:1c4e0927d6e3	237
JLS	0:1c4e0927d6e3	238	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:1c4e0927d6e3	239
JLS	0:1c4e0927d6e3	240	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:1c4e0927d6e3	241
JLS	0:1c4e0927d6e3	242	while (_cmd.readable()) {
JLS	0:1c4e0927d6e3	243	temp = _cmd.getc();
JLS	0:1c4e0927d6e3	244	response[resp++] = (char)temp;
JLS	0:1c4e0927d6e3	245	}
JLS	0:1c4e0927d6e3	246	switch (resp) {
JLS	0:1c4e0927d6e3	247	case 5 : // if OK populate data and return 1
JLS	0:1c4e0927d6e3	248	type = response[0];
JLS	0:1c4e0927d6e3	249	revision = response[1];
JLS	0:1c4e0927d6e3	250	firmware = response[2];
JLS	0:1c4e0927d6e3	251	reserved1 = response[3];
JLS	0:1c4e0927d6e3	252	reserved2 = response[4];
JLS	0:1c4e0927d6e3	253	resp = 1;
JLS	0:1c4e0927d6e3	254	break;
JLS	0:1c4e0927d6e3	255	default :
JLS	0:1c4e0927d6e3	256	resp = 0; // else return 0
JLS	0:1c4e0927d6e3	257	break;
JLS	0:1c4e0927d6e3	258	}
JLS	0:1c4e0927d6e3	259	return resp;
JLS	0:1c4e0927d6e3	260	}
JLS	0:1c4e0927d6e3	261
JLS	0:1c4e0927d6e3	262	//****************************************************************************************************
JLS	0:1c4e0927d6e3	263	void TFT_4DGL :: background_color(int color) { // set screen background color
JLS	0:1c4e0927d6e3	264	char command[3]= ""; // input color is in 24bits like 0xRRGGBB
JLS	0:1c4e0927d6e3	265
JLS	0:1c4e0927d6e3	266	command[0] = BCKGDCOLOR;
JLS	0:1c4e0927d6e3	267
JLS	0:1c4e0927d6e3	268	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:1c4e0927d6e3	269	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:1c4e0927d6e3	270	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:1c4e0927d6e3	271
JLS	0:1c4e0927d6e3	272	command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:1c4e0927d6e3	273	command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:1c4e0927d6e3	274
JLS	0:1c4e0927d6e3	275	writeCOMMAND(command, 3);
JLS	0:1c4e0927d6e3	276	}
JLS	0:1c4e0927d6e3	277
JLS	0:1c4e0927d6e3	278	//****************************************************************************************************
JLS	0:1c4e0927d6e3	279	void TFT_4DGL :: display_control(char mode, char value) { // set screen mode to value
JLS	0:1c4e0927d6e3	280	char command[3]= "";
JLS	0:1c4e0927d6e3	281
JLS	0:1c4e0927d6e3	282	command[0] = DISPCONTROL;
JLS	0:1c4e0927d6e3	283	command[1] = mode;
JLS	0:1c4e0927d6e3	284	command[2] = value;
JLS	0:1c4e0927d6e3	285
JLS	0:1c4e0927d6e3	286	if (mode == ORIENTATION) {
JLS	0:1c4e0927d6e3	287	switch (value) {
JLS	0:1c4e0927d6e3	288	case LANDSCAPE :
JLS	0:1c4e0927d6e3	289	current_orientation = IS_LANDSCAPE;
JLS	0:1c4e0927d6e3	290	break;
JLS	0:1c4e0927d6e3	291	case LANDSCAPE_R :
JLS	0:1c4e0927d6e3	292	current_orientation = IS_LANDSCAPE;
JLS	0:1c4e0927d6e3	293	break;
JLS	0:1c4e0927d6e3	294	case PORTRAIT :
JLS	0:1c4e0927d6e3	295	current_orientation = IS_PORTRAIT;
JLS	0:1c4e0927d6e3	296	break;
JLS	0:1c4e0927d6e3	297	case PORTRAIT_R :
JLS	0:1c4e0927d6e3	298	current_orientation = IS_PORTRAIT;
JLS	0:1c4e0927d6e3	299	break;
JLS	0:1c4e0927d6e3	300	}
JLS	0:1c4e0927d6e3	301	set_font(current_font);
JLS	0:1c4e0927d6e3	302	}
JLS	0:1c4e0927d6e3	303	writeCOMMAND(command, 3);
JLS	0:1c4e0927d6e3	304
JLS	0:1c4e0927d6e3	305	}
JLS	0:1c4e0927d6e3	306
JLS	0:1c4e0927d6e3	307	//****************************************************************************************************
JLS	0:1c4e0927d6e3	308	void TFT_4DGL :: set_volume(char value) { // set sound volume to value
JLS	0:1c4e0927d6e3	309	char command[2]= "";
JLS	0:1c4e0927d6e3	310
JLS	0:1c4e0927d6e3	311	command[0] = SETVOLUME;
JLS	0:1c4e0927d6e3	312	command[1] = value;
JLS	0:1c4e0927d6e3	313
JLS	0:1c4e0927d6e3	314	writeCOMMAND(command, 2);
JLS	0:1c4e0927d6e3	315	}
JLS	0:1c4e0927d6e3	316
JLS	0:1c4e0927d6e3	317
JLS	0:1c4e0927d6e3	318	//******************************************************************************************************
JLS	0:1c4e0927d6e3	319	void TFT_4DGL :: getTOUCH(char command, int number, int x, int *y) { // read screen info and populate data
JLS	0:1c4e0927d6e3	320
JLS	0:1c4e0927d6e3	321	#if DEBUGMODE
JLS	0:1c4e0927d6e3	322	pc.printf("\n\r");
JLS	0:1c4e0927d6e3	323	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:1c4e0927d6e3	324	#endif
JLS	0:1c4e0927d6e3	325	int i, temp = 0, resp = 0;
JLS	0:1c4e0927d6e3	326	char response[5] = "";
JLS	0:1c4e0927d6e3	327
JLS	0:1c4e0927d6e3	328	freeBUFFER();
JLS	0:1c4e0927d6e3	329
JLS	0:1c4e0927d6e3	330	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:1c4e0927d6e3	331
JLS	0:1c4e0927d6e3	332	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:1c4e0927d6e3	333
JLS	0:1c4e0927d6e3	334	while (_cmd.readable()) {
JLS	0:1c4e0927d6e3	335	temp = _cmd.getc();
JLS	0:1c4e0927d6e3	336	response[resp++] = (char)temp;
JLS	0:1c4e0927d6e3	337	}
JLS	0:1c4e0927d6e3	338
JLS	0:1c4e0927d6e3	339	#if DEBUGMODE
JLS	0:1c4e0927d6e3	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	0:1c4e0927d6e3	341	#endif
JLS	0:1c4e0927d6e3	342
JLS	0:1c4e0927d6e3	343	switch (resp) {
JLS	0:1c4e0927d6e3	344	case 4 : // if OK populate data
JLS	0:1c4e0927d6e3	345	x = ((response[0]<<8)+ response[1]) (response[0] != 0xFF);
JLS	0:1c4e0927d6e3	346	y = ((response[2]<<8)+ response[3]) (response[2] != 0xFF);
JLS	0:1c4e0927d6e3	347	break;
JLS	0:1c4e0927d6e3	348	default :
JLS	0:1c4e0927d6e3	349	*x = -1;
JLS	0:1c4e0927d6e3	350	*y = -1;
JLS	0:1c4e0927d6e3	351	break;
JLS	0:1c4e0927d6e3	352	}
JLS	0:1c4e0927d6e3	353
JLS	0:1c4e0927d6e3	354	#if DEBUGMODE
JLS	0:1c4e0927d6e3	355	pc.printf(" X,Y : %03d,%03d\n\r", x, y);
JLS	0:1c4e0927d6e3	356	#endif
JLS	0:1c4e0927d6e3	357	}
JLS	0:1c4e0927d6e3	358
JLS	0:1c4e0927d6e3	359	//******************************************************************************************************
JLS	0:1c4e0927d6e3	360	int TFT_4DGL :: getSTATUS(char *command, int number) { // read screen info and populate data
JLS	0:1c4e0927d6e3	361
JLS	0:1c4e0927d6e3	362	#if DEBUGMODE
JLS	0:1c4e0927d6e3	363	pc.printf("\n\r");
JLS	0:1c4e0927d6e3	364	pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS	0:1c4e0927d6e3	365	#endif
JLS	0:1c4e0927d6e3	366
JLS	0:1c4e0927d6e3	367	int i, temp = 0, resp = 0;
JLS	0:1c4e0927d6e3	368	char response[5] = "";
JLS	0:1c4e0927d6e3	369
JLS	0:1c4e0927d6e3	370	freeBUFFER();
JLS	0:1c4e0927d6e3	371
JLS	0:1c4e0927d6e3	372	for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS	0:1c4e0927d6e3	373
JLS	0:1c4e0927d6e3	374	while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS	0:1c4e0927d6e3	375
JLS	0:1c4e0927d6e3	376	while (_cmd.readable()) {
JLS	0:1c4e0927d6e3	377	temp = _cmd.getc();
JLS	0:1c4e0927d6e3	378	response[resp++] = (char)temp;
JLS	0:1c4e0927d6e3	379	}
JLS	0:1c4e0927d6e3	380	switch (resp) {
JLS	0:1c4e0927d6e3	381	case 4 :
JLS	0:1c4e0927d6e3	382	resp = (int)response[1]; // if OK populate data
JLS	0:1c4e0927d6e3	383	break;
JLS	0:1c4e0927d6e3	384	default :
JLS	0:1c4e0927d6e3	385	resp = -1; // else return 0
JLS	0:1c4e0927d6e3	386	break;
JLS	0:1c4e0927d6e3	387	}
JLS	0:1c4e0927d6e3	388
JLS	0:1c4e0927d6e3	389	#if DEBUGMODE
JLS	0:1c4e0927d6e3	390	pc.printf(" Answer received : %d\n\r", resp);
JLS	0:1c4e0927d6e3	391	#endif
JLS	0:1c4e0927d6e3	392
JLS	0:1c4e0927d6e3	393	return resp;
JLS	0:1c4e0927d6e3	394	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	01 Jan 2011
Imports:	1
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	1

TFT_4DGL_main.cpp@0:1c4e0927d6e3, 2011-01-01 (annotated)

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