jim hamblen / Mbed 2 deprecated ESP8266-WEB-Mbed-LPC1768-Controller

For ESP8266 Wi Fi SOC from Sparkfun on the mbed LPC1768. Sets up a web page server that can control a few mbed pins. Nice IoT demo. Need to configure Wi Fi SSID and PASSWORD first with another program first (one time only). See https://developer.mbed.org/users/4180_1/notebook/using-the-esp8266-with-the-mbed-lpc1768/ for more info.

Dependencies:   mbed

Dependents:   IoT_DoorLock

Fork of ESP8266-WEB-Mbed-Controller by Paul Staron

main.cpp@4:40dd020463ea, 2015-08-28 (annotated)

Committer:
4180_1
Date:
Fri Aug 28 01:37:50 2015 +0000
Revision:
4:40dd020463ea
Parent:
3:f7febfa77784 
ver 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
star297 0:e2a155f50119 1 // ESP8266 Static page WEB server to control Mbed
star297 0:e2a155f50119 2
star297 0:e2a155f50119 3 #include "mbed.h"
4180_1 4:40dd020463ea 4 //#include "DS18B20.h"
star297 0:e2a155f50119 5
star297 0:e2a155f50119 6 Serial pc(USBTX, USBRX);
4180_1 4:40dd020463ea 7 Serial esp(p28, p27); // tx, rx
star297 0:e2a155f50119 8
4180_1 4:40dd020463ea 9 //DS18B20 thermom(A0, DS18B20::RES_12_BIT);
star297 2:d4c6bc0f2dc4 10
star297 0:e2a155f50119 11 // Standard Mbed LED definitions
4180_1 4:40dd020463ea 12 DigitalOut led1(LED1); // (PTB18)
4180_1 4:40dd020463ea 13 DigitalOut led2(LED2); // (PTB19)
4180_1 4:40dd020463ea 14 DigitalOut led3(LED3); // (PTD1)
star297 0:e2a155f50119 15
star297 0:e2a155f50119 16 // Digital Out and In pins, can be configured to any suitable pin depending on Platform
4180_1 4:40dd020463ea 17 DigitalOut Out1(p6);
4180_1 4:40dd020463ea 18 DigitalOut Out2(p7);
4180_1 4:40dd020463ea 19 DigitalOut Out3(p8);
4180_1 4:40dd020463ea 20 DigitalOut reset(p26);
star297 0:e2a155f50119 21
4180_1 4:40dd020463ea 22 DigitalIn In1(p9);
4180_1 4:40dd020463ea 23 DigitalIn In2(p10);
4180_1 4:40dd020463ea 24 DigitalIn In3(p11);
star297 0:e2a155f50119 25
4180_1 4:40dd020463ea 26 PwmOut speaker(p21);
4180_1 4:40dd020463ea 27 AnalogIn Ain1(p18);
4180_1 4:40dd020463ea 28 AnalogIn Ain2(p19);
star297 0:e2a155f50119 29
star297 0:e2a155f50119 30 Timer t1;
star297 1:71ed1afbf344 31 Timer t2;
star297 1:71ed1afbf344 32
star297 1:71ed1afbf344 33 struct tm t;
star297 0:e2a155f50119 34
star297 3:f7febfa77784 35 int bufflen, DataRX, count, getcount, replycount, servreq, timeout;
star297 2:d4c6bc0f2dc4 36 int bufl, ipdLen, linkID, weberror, webcounter;
4180_1 4:40dd020463ea 37 float temperature, AdcIn, Ht;
star297 0:e2a155f50119 38 float R1=100000, R2=10000; // resistor values to give a 10:1 reduction of measured AnalogIn voltage
star297 0:e2a155f50119 39 char Vcc[10];
star297 0:e2a155f50119 40 char Temp[10];
star297 0:e2a155f50119 41 char temp[10];
star297 2:d4c6bc0f2dc4 42 char webcount[8];
star297 3:f7febfa77784 43 char lasthit[30];
star297 0:e2a155f50119 44 char timebuf[30];
star297 0:e2a155f50119 45 char type[16];
star297 0:e2a155f50119 46 char type1[16];
star297 0:e2a155f50119 47 char channel[2];
star297 3:f7febfa77784 48 char cmdbuff[32];
4180_1 4:40dd020463ea 49 char replybuff[1024];
star297 0:e2a155f50119 50 char webdata[1024]; // This may need to be bigger depending on WEB browser used
star297 3:f7febfa77784 51 char webbuff[4096]; // Currently using 1986 characters, Increase this if more web page data added
star297 0:e2a155f50119 52
star297 0:e2a155f50119 53 void SendCMD(),getreply(),ReadWebData(),startserver(),sendpage(),SendWEB(),sendcheck();
star297 2:d4c6bc0f2dc4 54 void gettime(),gettemp(),getbattery(),setRTC(),beep();
star297 0:e2a155f50119 55
star297 1:71ed1afbf344 56 // manual set RTC values
4180_1 4:40dd020463ea 57 int minute =00; // 0-59
4180_1 4:40dd020463ea 58 int hour =12; // 2-23
4180_1 4:40dd020463ea 59 int dayofmonth =26; // 1-31
4180_1 4:40dd020463ea 60 int month =8; // 1-12
star297 1:71ed1afbf344 61 int year =15; // last 2 digits
star297 2:d4c6bc0f2dc4 62
4180_1 4:40dd020463ea 63 int port =80; // set server port
4180_1 4:40dd020463ea 64 int SERVtimeout =5; // set server timeout in seconds in case link breaks.
4180_1 4:40dd020463ea 65
star297 0:e2a155f50119 66 // Serial Interrupt read ESP data
4180_1 4:40dd020463ea 67 void callback()
4180_1 4:40dd020463ea 68 {
4180_1 4:40dd020463ea 69 led3=1;
4180_1 4:40dd020463ea 70 while (esp.readable()) {
4180_1 4:40dd020463ea 71 webbuff[count] = esp.getc();
4180_1 4:40dd020463ea 72 count++;
4180_1 4:40dd020463ea 73 }
4180_1 4:40dd020463ea 74 if(strlen(webbuff)>bufflen) {
4180_1 4:40dd020463ea 75 DataRX=1;
4180_1 4:40dd020463ea 76 led3=0;
4180_1 4:40dd020463ea 77 }
star297 0:e2a155f50119 78 }
star297 0:e2a155f50119 79
4180_1 4:40dd020463ea 80 int main()
4180_1 4:40dd020463ea 81 {
4180_1 4:40dd020463ea 82 reset=0;
star297 0:e2a155f50119 83 pc.baud(115200);
4180_1 4:40dd020463ea 84
4180_1 4:40dd020463ea 85 pc.printf("\f\n\r------------ ESP8266 Hardware Reset --------------\n\r");
4180_1 4:40dd020463ea 86 wait(0.5);
4180_1 4:40dd020463ea 87 reset=1;
4180_1 4:40dd020463ea 88 led1=1,led2=0,led3=0;
4180_1 4:40dd020463ea 89 timeout=6000;
4180_1 4:40dd020463ea 90 getcount=500;
4180_1 4:40dd020463ea 91 getreply();
star297 3:f7febfa77784 92 esp.baud(115200); // ESP8266 baudrate. Maximum on KLxx' is 115200, 230400 works on K20 and K22F
4180_1 4:40dd020463ea 93 if (time(NULL) < 1420070400) {
4180_1 4:40dd020463ea 94 setRTC();
4180_1 4:40dd020463ea 95 }
star297 2:d4c6bc0f2dc4 96 beep();
star297 0:e2a155f50119 97 startserver();
4180_1 4:40dd020463ea 98
4180_1 4:40dd020463ea 99 while(1) {
4180_1 4:40dd020463ea 100 if(DataRX==1) {
star297 0:e2a155f50119 101 ReadWebData();
star297 2:d4c6bc0f2dc4 102 beep();
4180_1 4:40dd020463ea 103 if (servreq == 1 && weberror == 0) {
4180_1 4:40dd020463ea 104 sendpage();
4180_1 4:40dd020463ea 105 }
4180_1 4:40dd020463ea 106 esp.attach(&callback);
4180_1 4:40dd020463ea 107 pc.printf(" IPD Data:\r\n\n Link ID = %d,\r\n IPD Header Length = %d \r\n IPD Type = %s\r\n", linkID, ipdLen, type);
4180_1 4:40dd020463ea 108 pc.printf("\n\n HTTP Packet: \n\n%s\n", webdata);
star297 0:e2a155f50119 109 pc.printf(" Web Characters sent : %d\n\n", bufl);
star297 0:e2a155f50119 110 pc.printf(" -------------------------------------\n\n");
star297 2:d4c6bc0f2dc4 111 strcpy(lasthit, timebuf);
4180_1 4:40dd020463ea 112 servreq=0;
4180_1 4:40dd020463ea 113 }
star297 0:e2a155f50119 114 }
4180_1 4:40dd020463ea 115 }
4180_1 4:40dd020463ea 116 // Static WEB page
star297 0:e2a155f50119 117 void sendpage()
4180_1 4:40dd020463ea 118 {
star297 3:f7febfa77784 119 gettemp();
4180_1 4:40dd020463ea 120 getbattery();
4180_1 4:40dd020463ea 121 gettime();
4180_1 4:40dd020463ea 122
4180_1 4:40dd020463ea 123 // WEB page data
star297 3:f7febfa77784 124 strcpy(webbuff, "<!DOCTYPE html>");
4180_1 4:40dd020463ea 125 strcat(webbuff, "<html><head><title>ESP8266 Mbed LPC1768</title></head>");
4180_1 4:40dd020463ea 126 strcat(webbuff, "<body>");
4180_1 4:40dd020463ea 127 strcat(webbuff, "<div style=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h1>ESP8266 Mbed IoT Web Controller</h1>");
star297 3:f7febfa77784 128 strcat(webbuff, "Hit Count - ");
star297 3:f7febfa77784 129 strcat(webbuff, webcount);
star297 3:f7febfa77784 130 strcat(webbuff, "<br>Last Hit - ");
4180_1 4:40dd020463ea 131 strcat(webbuff, lasthit);
star297 3:f7febfa77784 132 strcat(webbuff, "</div><br /><hr>");
4180_1 4:40dd020463ea 133 strcat(webbuff, "<h3>Mbed RTC Time -&nbsp&nbsp");
star297 3:f7febfa77784 134 strcat(webbuff, timebuf);
star297 3:f7febfa77784 135 strcat(webbuff, "</h3>\r\n");
4180_1 4:40dd020463ea 136 strcat(webbuff, "<p><form method=\"POST\"><strong> Analog 1:&nbsp&nbsp<input type=\"text\" size=6 value=\"");
star297 3:f7febfa77784 137 strcat(webbuff, Temp);
4180_1 4:40dd020463ea 138 strcat(webbuff, "\"> </sup>V <form method=\"POST\"> <strong> &nbsp&nbspAnalog 2:&nbsp&nbsp<input type=\"text\" size=4 value=\"");
star297 3:f7febfa77784 139 strcat(webbuff, Vcc);
4180_1 4:40dd020463ea 140 strcat(webbuff, "\"> </sup>V");
4180_1 4:40dd020463ea 141 if(led1==0) {
4180_1 4:40dd020463ea 142 strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" checked> LED 1 off");
4180_1 4:40dd020463ea 143 strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" > LED 1 on");
4180_1 4:40dd020463ea 144 } else {
4180_1 4:40dd020463ea 145 strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" > LED 1 off");
4180_1 4:40dd020463ea 146 strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" checked> LED 1 on");
4180_1 4:40dd020463ea 147 }
4180_1 4:40dd020463ea 148 if(Out1==0) {
4180_1 4:40dd020463ea 149 strcat(webbuff, "<p><input type=\"radio\" name=\"Out1\" value=\"0\" checked> Digital Out 1 off");
4180_1 4:40dd020463ea 150 strcat(webbuff, "<br><input type=\"radio\" name=\"Out1\" value=\"1\" > Digital Out 1 on");
4180_1 4:40dd020463ea 151 } else {
4180_1 4:40dd020463ea 152 strcat(webbuff, "<p><input type=\"radio\" name=\"Out1\" value=\"0\" > Digital Out 1 off");
4180_1 4:40dd020463ea 153 strcat(webbuff, "<br><input type=\"radio\" name=\"Out1\" value=\"1\" checked> Digital Out 1 on");
4180_1 4:40dd020463ea 154 }
4180_1 4:40dd020463ea 155 if(Out2==0) {
4180_1 4:40dd020463ea 156 strcat(webbuff, "<p><input type=\"radio\" name=\"Out2\" value=\"0\" checked> Digital Out 2 off");
4180_1 4:40dd020463ea 157 strcat(webbuff, "<br><input type=\"radio\" name=\"Out2\" value=\"1\" > Digital Out 2 on");
4180_1 4:40dd020463ea 158 } else {
4180_1 4:40dd020463ea 159 strcat(webbuff, "<p><input type=\"radio\" name=\"Out2\" value=\"0\" > Digital Out 2 off");
4180_1 4:40dd020463ea 160 strcat(webbuff, "<br><input type=\"radio\" name=\"Out2\" value=\"1\" checked> Digital Out 2 on");
4180_1 4:40dd020463ea 161 }
4180_1 4:40dd020463ea 162 if(Out3==0) {
4180_1 4:40dd020463ea 163 strcat(webbuff, "<p><input type=\"radio\" name=\"Out3\" value=\"0\" checked> Digital Out 3 off");
4180_1 4:40dd020463ea 164 strcat(webbuff, "<br><input type=\"radio\" name=\"Out3\" value=\"1\" > Digital Out 3 on");
4180_1 4:40dd020463ea 165 } else {
4180_1 4:40dd020463ea 166 strcat(webbuff, "<p><input type=\"radio\" name=\"Out3\" value=\"0\" > Digital Out 3 off");
4180_1 4:40dd020463ea 167 strcat(webbuff, "<br><input type=\"radio\" name=\"Out3\" value=\"1\" checked> Digital Out 3 on");
4180_1 4:40dd020463ea 168 }
4180_1 4:40dd020463ea 169 if(In1==0) {
4180_1 4:40dd020463ea 170 strcat(webbuff, "<p><input type=\"radio\" name=\"In1\" value=\"0\" > Digital In 1");
4180_1 4:40dd020463ea 171 } else {
4180_1 4:40dd020463ea 172 strcat(webbuff, "<p><input type=\"radio\" name=\"In1\" value=\"1\" checked> Digital In 1");
4180_1 4:40dd020463ea 173 }
4180_1 4:40dd020463ea 174 if(In2==0) {
4180_1 4:40dd020463ea 175 strcat(webbuff, "<br><input type=\"radio\" name=\"In2\" value=\"0\" > Digital In 2");
4180_1 4:40dd020463ea 176 } else {
4180_1 4:40dd020463ea 177 strcat(webbuff, "<br><input type=\"radio\" name=\"In2\" value=\"1\" checked> Digital In 2");
4180_1 4:40dd020463ea 178 }
4180_1 4:40dd020463ea 179 if(In3==0) {
4180_1 4:40dd020463ea 180 strcat(webbuff, "<br><input type=\"radio\" name=\"In3\" value=\"0\" > Digital In 3");
4180_1 4:40dd020463ea 181 } else {
4180_1 4:40dd020463ea 182 strcat(webbuff, "<br><input type=\"radio\" name=\"In3\" value=\"1\" checked> Digital In 3");
4180_1 4:40dd020463ea 183 }
4180_1 4:40dd020463ea 184 strcat(webbuff, "</strong><p><input type=\"submit\" value=\"send-refresh\" style=\"background: #3498db;");
4180_1 4:40dd020463ea 185 strcat(webbuff, "background-image:-webkit-linear-gradient(top, #3498db, #2980b9);");
star297 3:f7febfa77784 186 strcat(webbuff, "background-image:linear-gradient(to bottom, #3498db, #2980b9);");
star297 3:f7febfa77784 187 strcat(webbuff, "-webkit-border-radius:12;border-radius: 12px;font-family: Arial;color:#ffffff;font-size:20px;padding:");
4180_1 4:40dd020463ea 188 strcat(webbuff, "10px 20px 10px 20px; border:solid #103c57 3px;text-decoration: none;");
star297 3:f7febfa77784 189 strcat(webbuff, "background: #3cb0fd;");
4180_1 4:40dd020463ea 190 strcat(webbuff, "background-image:-webkit-linear-gradient(top,#3cb0fd,#1a5f8a);");
star297 3:f7febfa77784 191 strcat(webbuff, "background-image:linear-gradient(to bottom,#3cb0fd,#1a5f8a);");
star297 3:f7febfa77784 192 strcat(webbuff, "text-decoration:none;\"></form></span>");
star297 3:f7febfa77784 193 strcat(webbuff, "<p/><h2>How to use:</h2><ul>");
star297 3:f7febfa77784 194 strcat(webbuff, "<li>Select the Radio buttons to control the digital out pins.</li>");
4180_1 4:40dd020463ea 195 strcat(webbuff, "<li>Click 'Send-Refresh' to send.</li>");
4180_1 4:40dd020463ea 196 strcat(webbuff, "<li>Use the 'Send-Refresh' button to refresh the data.</li>");
star297 3:f7febfa77784 197 strcat(webbuff, "</ul>");
4180_1 4:40dd020463ea 198 strcat(webbuff, "</body></html>");
4180_1 4:40dd020463ea 199 // end of WEB page data
4180_1 4:40dd020463ea 200 bufl = strlen(webbuff); // get total page buffer length
star297 3:f7febfa77784 201 sprintf(cmdbuff,"AT+CIPSEND=%d,%d\r\n", linkID, bufl); // send IPD link channel and buffer character length.
4180_1 4:40dd020463ea 202 timeout=200;
4180_1 4:40dd020463ea 203 getcount=7;
star297 3:f7febfa77784 204 SendCMD();
4180_1 4:40dd020463ea 205 getreply();
star297 0:e2a155f50119 206 SendWEB(); // send web page
star297 3:f7febfa77784 207 memset(webbuff, '\0', sizeof(webbuff));
4180_1 4:40dd020463ea 208 sendcheck();
star297 0:e2a155f50119 209 }
star297 0:e2a155f50119 210
star297 3:f7febfa77784 211 // wait for ESP "SEND OK" reply, then close IP to load web page
star297 0:e2a155f50119 212 void sendcheck()
star297 0:e2a155f50119 213 {
4180_1 4:40dd020463ea 214 weberror=1;
4180_1 4:40dd020463ea 215 timeout=500;
4180_1 4:40dd020463ea 216 getcount=24;
4180_1 4:40dd020463ea 217 t2.reset();
4180_1 4:40dd020463ea 218 t2.start();
4180_1 4:40dd020463ea 219 while(weberror==1 && t2.read() <5) {
star297 0:e2a155f50119 220 getreply();
4180_1 4:40dd020463ea 221 if (strstr(replybuff, "SEND OK") != NULL) {
4180_1 4:40dd020463ea 222 weberror=0; // wait for valid SEND OK
star297 0:e2a155f50119 223 }
4180_1 4:40dd020463ea 224 }
4180_1 4:40dd020463ea 225 if(weberror==1) { // restart connection
4180_1 4:40dd020463ea 226 strcpy(cmdbuff, "AT+CIPMUX=1\r\n");
4180_1 4:40dd020463ea 227 timeout=500;
4180_1 4:40dd020463ea 228 getcount=10;
4180_1 4:40dd020463ea 229 SendCMD();
4180_1 4:40dd020463ea 230 getreply();
4180_1 4:40dd020463ea 231 pc.printf(replybuff);
star297 3:f7febfa77784 232 sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port);
4180_1 4:40dd020463ea 233 timeout=500;
4180_1 4:40dd020463ea 234 getcount=10;
4180_1 4:40dd020463ea 235 SendCMD();
4180_1 4:40dd020463ea 236 getreply();
4180_1 4:40dd020463ea 237 pc.printf(replybuff);
4180_1 4:40dd020463ea 238 } else {
4180_1 4:40dd020463ea 239 sprintf(cmdbuff, "AT+CIPCLOSE=%s\r\n",channel); // close current connection
4180_1 4:40dd020463ea 240 SendCMD();
4180_1 4:40dd020463ea 241 getreply();
4180_1 4:40dd020463ea 242 pc.printf(replybuff);
4180_1 4:40dd020463ea 243 }
4180_1 4:40dd020463ea 244 t2.reset();
4180_1 4:40dd020463ea 245 }
star297 0:e2a155f50119 246
4180_1 4:40dd020463ea 247 // Reads and processes GET and POST web data
star297 0:e2a155f50119 248 void ReadWebData()
4180_1 4:40dd020463ea 249 {
4180_1 4:40dd020463ea 250 wait_ms(200);
star297 3:f7febfa77784 251 esp.attach(NULL);
4180_1 4:40dd020463ea 252 count=0;
4180_1 4:40dd020463ea 253 DataRX=0;
4180_1 4:40dd020463ea 254 weberror=0;
4180_1 4:40dd020463ea 255 memset(webdata, '\0', sizeof(webdata));
star297 3:f7febfa77784 256 int x = strcspn (webbuff,"+");
4180_1 4:40dd020463ea 257 if(x) {
4180_1 4:40dd020463ea 258 strcpy(webdata, webbuff + x);
4180_1 4:40dd020463ea 259 weberror=0;
4180_1 4:40dd020463ea 260 int numMatched = sscanf(webdata,"+IPD,%d,%d:%s", &linkID, &ipdLen, type);
4180_1 4:40dd020463ea 261 if( strstr(webdata, "led1=1") != NULL ) {
4180_1 4:40dd020463ea 262 led1=1;
4180_1 4:40dd020463ea 263 }
4180_1 4:40dd020463ea 264 if( strstr(webdata, "led1=0") != NULL ) {
4180_1 4:40dd020463ea 265 led1=0;
4180_1 4:40dd020463ea 266 }
4180_1 4:40dd020463ea 267 if( strstr(webdata, "Out1=1") != NULL ) {
4180_1 4:40dd020463ea 268 Out1=1;
4180_1 4:40dd020463ea 269 }
4180_1 4:40dd020463ea 270 if( strstr(webdata, "Out1=0") != NULL ) {
4180_1 4:40dd020463ea 271 Out1=0;
4180_1 4:40dd020463ea 272 }
4180_1 4:40dd020463ea 273 if( strstr(webdata, "Out2=1") != NULL ) {
4180_1 4:40dd020463ea 274 Out2=1;
4180_1 4:40dd020463ea 275 }
4180_1 4:40dd020463ea 276 if( strstr(webdata, "Out2=0") != NULL ) {
4180_1 4:40dd020463ea 277 Out2=0;
4180_1 4:40dd020463ea 278 }
4180_1 4:40dd020463ea 279 if( strstr(webdata, "Out3=1") != NULL ) {
4180_1 4:40dd020463ea 280 Out3=1;
4180_1 4:40dd020463ea 281 }
4180_1 4:40dd020463ea 282 if( strstr(webdata, "Out3=0") != NULL ) {
4180_1 4:40dd020463ea 283 Out3=0;
4180_1 4:40dd020463ea 284 }
4180_1 4:40dd020463ea 285 sprintf(channel, "%d",linkID);
4180_1 4:40dd020463ea 286 if (strstr(webdata, "GET") != NULL) {
4180_1 4:40dd020463ea 287 servreq=1;
4180_1 4:40dd020463ea 288 }
4180_1 4:40dd020463ea 289 if (strstr(webdata, "POST") != NULL) {
4180_1 4:40dd020463ea 290 servreq=1;
4180_1 4:40dd020463ea 291 }
star297 2:d4c6bc0f2dc4 292 webcounter++;
star297 2:d4c6bc0f2dc4 293 sprintf(webcount, "%d",webcounter);
4180_1 4:40dd020463ea 294 } else {
4180_1 4:40dd020463ea 295 memset(webbuff, '\0', sizeof(webbuff));
4180_1 4:40dd020463ea 296 esp.attach(&callback);
4180_1 4:40dd020463ea 297 weberror=1;
4180_1 4:40dd020463ea 298 }
star297 0:e2a155f50119 299 }
star297 0:e2a155f50119 300 // Starts and restarts webserver if errors detected.
star297 0:e2a155f50119 301 void startserver()
star297 0:e2a155f50119 302 {
4180_1 4:40dd020463ea 303 gettemp();
4180_1 4:40dd020463ea 304 gettime();
star297 1:71ed1afbf344 305 pc.printf("\n\n RTC time %s\r\n\n",timebuf);
4180_1 4:40dd020463ea 306 pc.printf("++++++++++ Resetting ESP ++++++++++\r\n");
star297 3:f7febfa77784 307 strcpy(cmdbuff,"AT+RST\r\n");
4180_1 4:40dd020463ea 308 timeout=8000;
4180_1 4:40dd020463ea 309 getcount=1000;
star297 0:e2a155f50119 310 SendCMD();
star297 1:71ed1afbf344 311 getreply();
star297 3:f7febfa77784 312 pc.printf(replybuff);
star297 3:f7febfa77784 313 pc.printf("%d",count);
star297 3:f7febfa77784 314 if (strstr(replybuff, "OK") != NULL) {
star297 1:71ed1afbf344 315 pc.printf("\n++++++++++ Starting Server ++++++++++\r\n");
4180_1 4:40dd020463ea 316 strcpy(cmdbuff, "AT+CIPMUX=1\r\n"); // set multiple connections.
4180_1 4:40dd020463ea 317 timeout=500;
4180_1 4:40dd020463ea 318 getcount=20;
star297 1:71ed1afbf344 319 SendCMD();
star297 2:d4c6bc0f2dc4 320 getreply();
4180_1 4:40dd020463ea 321 pc.printf(replybuff);
star297 3:f7febfa77784 322 sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port);
4180_1 4:40dd020463ea 323 timeout=500;
4180_1 4:40dd020463ea 324 getcount=20;
star297 1:71ed1afbf344 325 SendCMD();
star297 3:f7febfa77784 326 getreply();
4180_1 4:40dd020463ea 327 pc.printf(replybuff);
4180_1 4:40dd020463ea 328 wait(1);
star297 3:f7febfa77784 329 sprintf(cmdbuff,"AT+CIPSTO=%d\r\n",SERVtimeout);
4180_1 4:40dd020463ea 330 timeout=500;
4180_1 4:40dd020463ea 331 getcount=50;
star297 3:f7febfa77784 332 SendCMD();
star297 2:d4c6bc0f2dc4 333 getreply();
4180_1 4:40dd020463ea 334 pc.printf(replybuff);
4180_1 4:40dd020463ea 335 wait(5);
4180_1 4:40dd020463ea 336 pc.printf("\n Getting Server IP \r\n");
star297 3:f7febfa77784 337 strcpy(cmdbuff, "AT+CIFSR\r\n");
4180_1 4:40dd020463ea 338 timeout=2500;
4180_1 4:40dd020463ea 339 getcount=200;
4180_1 4:40dd020463ea 340 while(weberror==0) {
4180_1 4:40dd020463ea 341 SendCMD();
4180_1 4:40dd020463ea 342 getreply();
4180_1 4:40dd020463ea 343 if (strstr(replybuff, "0.0.0.0") == NULL) {
4180_1 4:40dd020463ea 344 weberror=1; // wait for valid IP
star297 1:71ed1afbf344 345 }
4180_1 4:40dd020463ea 346 }
4180_1 4:40dd020463ea 347 pc.printf("\n Enter WEB address (IP) found below in your browser \r\n\n");
4180_1 4:40dd020463ea 348 pc.printf("\n The MAC address is also shown below,if it is needed \r\n\n");
4180_1 4:40dd020463ea 349 replybuff[strlen(replybuff)-1] = '\0';
4180_1 4:40dd020463ea 350 //char* IP = replybuff + 5;
4180_1 4:40dd020463ea 351 sprintf(webdata,"%s", replybuff);
4180_1 4:40dd020463ea 352 pc.printf(webdata);
4180_1 4:40dd020463ea 353 led2=1;
4180_1 4:40dd020463ea 354 bufflen=200;
4180_1 4:40dd020463ea 355 count=0;
star297 1:71ed1afbf344 356 pc.printf("\n\n++++++++++ Ready ++++++++++\r\n\n");
star297 1:71ed1afbf344 357 esp.attach(&callback);
4180_1 4:40dd020463ea 358 } else {
4180_1 4:40dd020463ea 359 pc.printf("\n++++++++++ ESP8266 error, check power/connections ++++++++++\r\n");
4180_1 4:40dd020463ea 360 while(1) {}
4180_1 4:40dd020463ea 361 }
4180_1 4:40dd020463ea 362 t2.reset();
4180_1 4:40dd020463ea 363 t2.start();
4180_1 4:40dd020463ea 364 beep();
4180_1 4:40dd020463ea 365 }
star297 0:e2a155f50119 366 // ESP Command data send
star297 0:e2a155f50119 367 void SendCMD()
star297 0:e2a155f50119 368 {
4180_1 4:40dd020463ea 369 esp.printf("%s", cmdbuff);
4180_1 4:40dd020463ea 370 }
star297 0:e2a155f50119 371 // Large WEB buffer data send
star297 0:e2a155f50119 372 void SendWEB()
4180_1 4:40dd020463ea 373 {
star297 0:e2a155f50119 374 int i=0;
star297 0:e2a155f50119 375 if(esp.writeable()) {
4180_1 4:40dd020463ea 376 while(webbuff[i]!='\0') {
4180_1 4:40dd020463ea 377 esp.putc(webbuff[i]);
4180_1 4:40dd020463ea 378 i++;
4180_1 4:40dd020463ea 379 }
4180_1 4:40dd020463ea 380 }
4180_1 4:40dd020463ea 381 }
4180_1 4:40dd020463ea 382 // Get Command and ESP status replies
star297 0:e2a155f50119 383 void getreply()
4180_1 4:40dd020463ea 384 {
star297 3:f7febfa77784 385 memset(replybuff, '\0', sizeof(replybuff));
4180_1 4:40dd020463ea 386 t1.reset();
4180_1 4:40dd020463ea 387 t1.start();
4180_1 4:40dd020463ea 388 replycount=0;
star297 3:f7febfa77784 389 while(t1.read_ms()< timeout && replycount < getcount) {
star297 0:e2a155f50119 390 if(esp.readable()) {
4180_1 4:40dd020463ea 391 replybuff[replycount] = esp.getc();
4180_1 4:40dd020463ea 392 replycount++;
star297 2:d4c6bc0f2dc4 393 }
4180_1 4:40dd020463ea 394 }
4180_1 4:40dd020463ea 395 t1.stop();
star297 0:e2a155f50119 396 }
star297 0:e2a155f50119 397 // Analog in example
star297 0:e2a155f50119 398 void getbattery()
star297 0:e2a155f50119 399 {
4180_1 4:40dd020463ea 400 AdcIn=Ain1.read();
4180_1 4:40dd020463ea 401 Ht = (AdcIn*3.3); // set the numeric to the exact MCU analog reference voltage for greater accuracy
4180_1 4:40dd020463ea 402 sprintf(Vcc,"%2.3f",Ht);
star297 0:e2a155f50119 403 }
star297 0:e2a155f50119 404 // Temperature example
star297 0:e2a155f50119 405 void gettemp()
4180_1 4:40dd020463ea 406 {
4180_1 4:40dd020463ea 407
4180_1 4:40dd020463ea 408 AdcIn=Ain2.read();
4180_1 4:40dd020463ea 409 Ht = (AdcIn*3.3); // set the numeric to the exact MCU analog reference voltage for greater accuracy
4180_1 4:40dd020463ea 410 sprintf(Temp,"%2.3f",Ht);
star297 0:e2a155f50119 411 }
4180_1 4:40dd020463ea 412 // Get RTC time
star297 0:e2a155f50119 413 void gettime()
star297 0:e2a155f50119 414 {
star297 0:e2a155f50119 415 time_t seconds = time(NULL);
4180_1 4:40dd020463ea 416 strftime(timebuf,50,"%H:%M:%S %a %d %b %y", localtime(&seconds));
star297 0:e2a155f50119 417 }
star297 0:e2a155f50119 418
star297 2:d4c6bc0f2dc4 419 void beep()
4180_1 4:40dd020463ea 420 {
star297 2:d4c6bc0f2dc4 421 speaker.period(1.0/2000); // 2000hz period
star297 2:d4c6bc0f2dc4 422 speaker = 0.5; //50% duty cycle - max volume
star297 2:d4c6bc0f2dc4 423 wait_ms(60);
star297 2:d4c6bc0f2dc4 424 speaker=0.0; // turn off audio
star297 2:d4c6bc0f2dc4 425 }
star297 2:d4c6bc0f2dc4 426
star297 1:71ed1afbf344 427 void setRTC()
star297 1:71ed1afbf344 428 {
4180_1 4:40dd020463ea 429 t.tm_sec = (0); // 0-59
4180_1 4:40dd020463ea 430 t.tm_min = (minute); // 0-59
4180_1 4:40dd020463ea 431 t.tm_hour = (hour); // 0-23
4180_1 4:40dd020463ea 432 t.tm_mday = (dayofmonth); // 1-31
4180_1 4:40dd020463ea 433 t.tm_mon = (month-1); // 0-11 "0" = Jan, -1 added for Mbed RCT clock format
4180_1 4:40dd020463ea 434 t.tm_year = ((year)+100); // year since 1900, current DCF year + 100 + 1900 = correct year
4180_1 4:40dd020463ea 435 set_time(mktime(&t)); // set RTC clock
4180_1 4:40dd020463ea 436 }