Thomas Pettet / Mbed 2 deprecated Smart_Wall_Outlet

Demo code for a Wi-Fi controlled wall outlet that monitors light intensity, temperature, and motion and can control which plugs are supplied with power based off of user preference.

Dependencies:   BH1750 DHT11_Lib mbed

Fork of ECE4180_Lab4_ESP8266_IoT_Outlets by Deron Mai

main.cpp@3:f7febfa77784, 2015-02-24 (annotated)

Committer:
star297
Date:
Tue Feb 24 23:58:24 2015 +0000
Revision:
3:f7febfa77784
Parent:
2:d4c6bc0f2dc4
Child:
4:40dd020463ea
improved web lock out

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"
star297 0:e2a155f50119 4 #include "DS18B20.h"
star297 0:e2a155f50119 5
star297 0:e2a155f50119 6 Serial pc(USBTX, USBRX);
star297 0:e2a155f50119 7 Serial esp(PTE0, PTE1); // tx, rx
star297 0:e2a155f50119 8
star297 2:d4c6bc0f2dc4 9 DS18B20 thermom(A0, DS18B20::RES_12_BIT);
star297 2:d4c6bc0f2dc4 10
star297 0:e2a155f50119 11 // Standard Mbed LED definitions
star297 0:e2a155f50119 12 DigitalOut led1(LED_RED); // (PTB18)
star297 0:e2a155f50119 13 DigitalOut led2(LED_GREEN); // (PTB19)
star297 0:e2a155f50119 14 DigitalOut led3(LED_BLUE); // (PTD1)
star297 0:e2a155f50119 15
star297 0:e2a155f50119 16 // Digital Out and In pins, can be configured to any suitable pin depending on Platform
star297 2:d4c6bc0f2dc4 17 DigitalOut Out1(D7);
star297 2:d4c6bc0f2dc4 18 DigitalOut Out2(D8);
star297 2:d4c6bc0f2dc4 19 DigitalOut Out3(D4);
star297 0:e2a155f50119 20
star297 2:d4c6bc0f2dc4 21 DigitalIn In1(A2);
star297 2:d4c6bc0f2dc4 22 DigitalIn In2(A3);
star297 2:d4c6bc0f2dc4 23 DigitalIn In3(A4);
star297 0:e2a155f50119 24
star297 2:d4c6bc0f2dc4 25 PwmOut speaker(D5);
star297 2:d4c6bc0f2dc4 26 AnalogIn BATin(A1);
star297 0:e2a155f50119 27
star297 0:e2a155f50119 28 Timer t1;
star297 1:71ed1afbf344 29 Timer t2;
star297 1:71ed1afbf344 30
star297 1:71ed1afbf344 31 struct tm t;
star297 0:e2a155f50119 32
star297 3:f7febfa77784 33 int bufflen, DataRX, count, getcount, replycount, servreq, timeout;
star297 2:d4c6bc0f2dc4 34 int bufl, ipdLen, linkID, weberror, webcounter;
star297 0:e2a155f50119 35 float temperature, AdcIn, Ht;
star297 0:e2a155f50119 36 float R1=100000, R2=10000; // resistor values to give a 10:1 reduction of measured AnalogIn voltage
star297 0:e2a155f50119 37 char Vcc[10];
star297 0:e2a155f50119 38 char Temp[10];
star297 0:e2a155f50119 39 char temp[10];
star297 2:d4c6bc0f2dc4 40 char webcount[8];
star297 3:f7febfa77784 41 char lasthit[30];
star297 0:e2a155f50119 42 char timebuf[30];
star297 0:e2a155f50119 43 char type[16];
star297 0:e2a155f50119 44 char type1[16];
star297 0:e2a155f50119 45 char channel[2];
star297 3:f7febfa77784 46 char cmdbuff[32];
star297 3:f7febfa77784 47 char replybuff[512];
star297 0:e2a155f50119 48 char webdata[1024]; // This may need to be bigger depending on WEB browser used
star297 3:f7febfa77784 49 char webbuff[4096]; // Currently using 1986 characters, Increase this if more web page data added
star297 0:e2a155f50119 50
star297 0:e2a155f50119 51 void SendCMD(),getreply(),ReadWebData(),startserver(),sendpage(),SendWEB(),sendcheck();
star297 2:d4c6bc0f2dc4 52 void gettime(),gettemp(),getbattery(),setRTC(),beep();
star297 0:e2a155f50119 53
star297 1:71ed1afbf344 54 // manual set RTC values
star297 3:f7febfa77784 55 int minute =20; // 0-59
star297 3:f7febfa77784 56 int hour =9; // 2-23
star297 3:f7febfa77784 57 int dayofmonth =20; // 1-31
star297 1:71ed1afbf344 58 int month =2; // 1-12
star297 1:71ed1afbf344 59 int year =15; // last 2 digits
star297 2:d4c6bc0f2dc4 60
star297 3:f7febfa77784 61 int port =8266; // set server port
star297 3:f7febfa77784 62 int SERVtimeout =5; // set server timeout in seconds incase link breaks.
star297 1:71ed1afbf344 63
star297 0:e2a155f50119 64 // Serial Interrupt read ESP data
star297 0:e2a155f50119 65 void callback() {
star297 3:f7febfa77784 66 while (esp.readable()) {webbuff[count] = esp.getc();count++;}
star297 3:f7febfa77784 67 if(strlen(webbuff)>bufflen){DataRX=1;}
star297 0:e2a155f50119 68 }
star297 0:e2a155f50119 69
star297 0:e2a155f50119 70 int main() {
star297 0:e2a155f50119 71 led1=1,led2=1,led3=1;
star297 0:e2a155f50119 72 pc.baud(115200);
star297 3:f7febfa77784 73 esp.baud(115200); // ESP8266 baudrate. Maximum on KLxx' is 115200, 230400 works on K20 and K22F
star297 1:71ed1afbf344 74 if (time(NULL) < 1420070400) {setRTC();}
star297 2:d4c6bc0f2dc4 75 beep();
star297 0:e2a155f50119 76 startserver();
star297 0:e2a155f50119 77
star297 3:f7febfa77784 78 while(1){
star297 0:e2a155f50119 79 if(DataRX==1){
star297 0:e2a155f50119 80 ReadWebData();
star297 2:d4c6bc0f2dc4 81 beep();
star297 3:f7febfa77784 82 if (servreq == 1 && weberror == 0){sendpage();}
star297 3:f7febfa77784 83 esp.attach(&callback);
star297 0:e2a155f50119 84 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);
star297 0:e2a155f50119 85 pc.printf("\n\n HTTP Packet: \n\n%s\n", webdata);
star297 0:e2a155f50119 86 pc.printf(" Web Characters sent : %d\n\n", bufl);
star297 0:e2a155f50119 87 pc.printf(" -------------------------------------\n\n");
star297 2:d4c6bc0f2dc4 88 strcpy(lasthit, timebuf);
star297 0:e2a155f50119 89 servreq=0;
star297 3:f7febfa77784 90 }
star297 0:e2a155f50119 91 }
star297 0:e2a155f50119 92 }
star297 0:e2a155f50119 93 // Static WEB page
star297 0:e2a155f50119 94 void sendpage()
star297 0:e2a155f50119 95 {
star297 3:f7febfa77784 96 gettemp();
star297 3:f7febfa77784 97 getbattery();gettime();
star297 3:f7febfa77784 98
star297 2:d4c6bc0f2dc4 99 // WEB page data
star297 3:f7febfa77784 100 strcpy(webbuff, "<!DOCTYPE html>");
star297 3:f7febfa77784 101 strcat(webbuff, "<html><head><title>ESP8266 Mbed</title></head>");
star297 3:f7febfa77784 102 strcat(webbuff, "<body>");
star297 3:f7febfa77784 103 strcat(webbuff, "<div style=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h1>ESP8266 Mbed Web Controller</h1>");
star297 3:f7febfa77784 104 strcat(webbuff, "Hit Count - ");
star297 3:f7febfa77784 105 strcat(webbuff, webcount);
star297 3:f7febfa77784 106 strcat(webbuff, "<br>Last Hit - ");
star297 3:f7febfa77784 107 strcat(webbuff, lasthit);
star297 3:f7febfa77784 108 strcat(webbuff, "</div><br /><hr>");
star297 3:f7febfa77784 109 strcat(webbuff, "<h3>Mbed RTC Time -&nbsp&nbsp");
star297 3:f7febfa77784 110 strcat(webbuff, timebuf);
star297 3:f7febfa77784 111 strcat(webbuff, "</h3>\r\n");
star297 3:f7febfa77784 112 strcat(webbuff, "<p><form method=\"POST\"><strong> Temperature:&nbsp&nbsp<input type=\"text\" size=6 value=\"");
star297 3:f7febfa77784 113 strcat(webbuff, Temp);
star297 3:f7febfa77784 114 strcat(webbuff, "\"> <sup>O</sup>C <form method=\"POST\"> <strong> &nbsp&nbspBattery:&nbsp&nbsp<input type=\"text\" size=4 value=\"");
star297 3:f7febfa77784 115 strcat(webbuff, Vcc);
star297 3:f7febfa77784 116 strcat(webbuff, "\"> </sup>V");
star297 3:f7febfa77784 117 if(led1==1){strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" checked> Red LED off");
star297 3:f7febfa77784 118 strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" > Red LED on");}
star297 3:f7febfa77784 119 else{strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" > Red LED off");
star297 3:f7febfa77784 120 strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" checked> Red LED on");}
star297 3:f7febfa77784 121 if(Out1==0){strcat(webbuff, "<p><input type=\"radio\" name=\"Out1\" value=\"0\" checked> Digital Out 1 off");
star297 3:f7febfa77784 122 strcat(webbuff, "<br><input type=\"radio\" name=\"Out1\" value=\"1\" > Digital Out 1 on");}
star297 3:f7febfa77784 123 else{strcat(webbuff, "<p><input type=\"radio\" name=\"Out1\" value=\"0\" > Digital Out 1 off");
star297 3:f7febfa77784 124 strcat(webbuff, "<br><input type=\"radio\" name=\"Out1\" value=\"1\" checked> Digital Out 1 on");}
star297 3:f7febfa77784 125 if(Out2==0){strcat(webbuff, "<p><input type=\"radio\" name=\"Out2\" value=\"0\" checked> Digital Out 2 off");
star297 3:f7febfa77784 126 strcat(webbuff, "<br><input type=\"radio\" name=\"Out2\" value=\"1\" > Digital Out 2 on");}
star297 3:f7febfa77784 127 else{strcat(webbuff, "<p><input type=\"radio\" name=\"Out2\" value=\"0\" > Digital Out 2 off");
star297 3:f7febfa77784 128 strcat(webbuff, "<br><input type=\"radio\" name=\"Out2\" value=\"1\" checked> Digital Out 2 on");}
star297 3:f7febfa77784 129 if(Out3==0){strcat(webbuff, "<p><input type=\"radio\" name=\"Out3\" value=\"0\" checked> Digital Out 3 off");
star297 3:f7febfa77784 130 strcat(webbuff, "<br><input type=\"radio\" name=\"Out3\" value=\"1\" > Digital Out 3 on");}
star297 3:f7febfa77784 131 else{strcat(webbuff, "<p><input type=\"radio\" name=\"Out3\" value=\"0\" > Digital Out 3 off");
star297 3:f7febfa77784 132 strcat(webbuff, "<br><input type=\"radio\" name=\"Out3\" value=\"1\" checked> Digital Out 3 on");}
star297 3:f7febfa77784 133 if(In1==0){strcat(webbuff, "<p><input type=\"radio\" name=\"In1\" value=\"0\" > Digital In 1");}
star297 3:f7febfa77784 134 else{strcat(webbuff, "<p><input type=\"radio\" name=\"In1\" value=\"1\" checked> Digital In 1");}
star297 3:f7febfa77784 135 if(In2==0){strcat(webbuff, "<br><input type=\"radio\" name=\"In2\" value=\"0\" > Digital In 2");}
star297 3:f7febfa77784 136 else{strcat(webbuff, "<br><input type=\"radio\" name=\"In2\" value=\"1\" checked> Digital In 2");}
star297 3:f7febfa77784 137 if(In3==0){strcat(webbuff, "<br><input type=\"radio\" name=\"In3\" value=\"0\" > Digital In 3");}
star297 3:f7febfa77784 138 else{strcat(webbuff, "<br><input type=\"radio\" name=\"In3\" value=\"1\" checked> Digital In 3");}
star297 3:f7febfa77784 139 strcat(webbuff, "</strong><p><input type=\"submit\" value=\"send-refresh\" style=\"background: #3498db;");
star297 3:f7febfa77784 140 strcat(webbuff, "background-image:-webkit-linear-gradient(top, #3498db, #2980b9);");
star297 3:f7febfa77784 141 strcat(webbuff, "background-image:linear-gradient(to bottom, #3498db, #2980b9);");
star297 3:f7febfa77784 142 strcat(webbuff, "-webkit-border-radius:12;border-radius: 12px;font-family: Arial;color:#ffffff;font-size:20px;padding:");
star297 3:f7febfa77784 143 strcat(webbuff, "10px 20px 10px 20px; border:solid #103c57 3px;text-decoration: none;");
star297 3:f7febfa77784 144 strcat(webbuff, "background: #3cb0fd;");
star297 3:f7febfa77784 145 strcat(webbuff, "background-image:-webkit-linear-gradient(top,#3cb0fd,#1a5f8a);");
star297 3:f7febfa77784 146 strcat(webbuff, "background-image:linear-gradient(to bottom,#3cb0fd,#1a5f8a);");
star297 3:f7febfa77784 147 strcat(webbuff, "text-decoration:none;\"></form></span>");
star297 3:f7febfa77784 148 strcat(webbuff, "<p/><h2>How to use:</h2><ul>");
star297 3:f7febfa77784 149 strcat(webbuff, "<li>Select the Radio buttons to control the digital out pins.</li>");
star297 3:f7febfa77784 150 strcat(webbuff, "<li>Click 'Send-Refresh' to send.</li>");
star297 3:f7febfa77784 151 strcat(webbuff, "<li>Use the 'Send-Refresh' button to refresh the data.</li>");
star297 3:f7febfa77784 152 strcat(webbuff, "</ul>");
star297 3:f7febfa77784 153 strcat(webbuff, "</body></html>");
star297 0:e2a155f50119 154 // end of WEB page data
star297 3:f7febfa77784 155 bufl = strlen(webbuff); // get total page buffer length
star297 3:f7febfa77784 156 sprintf(cmdbuff,"AT+CIPSEND=%d,%d\r\n", linkID, bufl); // send IPD link channel and buffer character length.
star297 3:f7febfa77784 157 timeout=200;getcount=7;
star297 3:f7febfa77784 158 SendCMD();
star297 3:f7febfa77784 159 getreply();
star297 0:e2a155f50119 160 SendWEB(); // send web page
star297 3:f7febfa77784 161 memset(webbuff, '\0', sizeof(webbuff));
star297 0:e2a155f50119 162 sendcheck();
star297 0:e2a155f50119 163 }
star297 0:e2a155f50119 164
star297 3:f7febfa77784 165 // wait for ESP "SEND OK" reply, then close IP to load web page
star297 0:e2a155f50119 166 void sendcheck()
star297 0:e2a155f50119 167 {
star297 3:f7febfa77784 168 weberror=1;timeout=500;getcount=24;
star297 3:f7febfa77784 169 t2.reset();t2.start();
star297 3:f7febfa77784 170 while(weberror==1 && t2.read() <5){
star297 0:e2a155f50119 171 getreply();
star297 3:f7febfa77784 172 if (strstr(replybuff, "SEND OK") != NULL) {weberror=0;} // wait for valid SEND OK
star297 0:e2a155f50119 173 }
star297 3:f7febfa77784 174 if(weberror==1){ // restart connection
star297 3:f7febfa77784 175 strcpy(cmdbuff, "AT+CIPMUX=1\r\n");
star297 3:f7febfa77784 176 timeout=500;getcount=10;
star297 3:f7febfa77784 177 SendCMD();getreply();
star297 3:f7febfa77784 178 sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port);
star297 3:f7febfa77784 179 timeout=500;getcount=10;
star297 3:f7febfa77784 180 SendCMD();getreply();
star297 3:f7febfa77784 181 }
star297 3:f7febfa77784 182 else{
star297 3:f7febfa77784 183 sprintf(cmdbuff, "AT+CIPCLOSE=%s\r\n",channel); // close current connection
star297 3:f7febfa77784 184 SendCMD();}
star297 3:f7febfa77784 185 t2.reset();
star297 0:e2a155f50119 186 }
star297 0:e2a155f50119 187
star297 0:e2a155f50119 188 // Reads and processes GET and POST web data
star297 0:e2a155f50119 189 void ReadWebData()
star297 0:e2a155f50119 190 {
star297 3:f7febfa77784 191 wait_ms(200);
star297 3:f7febfa77784 192 esp.attach(NULL);
star297 3:f7febfa77784 193 count=0;DataRX=0;weberror=0;
star297 3:f7febfa77784 194 memset(webdata, '\0', sizeof(webdata));
star297 3:f7febfa77784 195 int x = strcspn (webbuff,"+");
star297 0:e2a155f50119 196 if(x){
star297 3:f7febfa77784 197 strcpy(webdata, webbuff + x);weberror=0;
star297 0:e2a155f50119 198 int numMatched = sscanf(webdata,"+IPD,%d,%d:%s", &linkID, &ipdLen, type);
star297 0:e2a155f50119 199 if( strstr(webdata, "led1=1") != NULL ) {led1=0;}
star297 0:e2a155f50119 200 if( strstr(webdata, "led1=0") != NULL ) {led1=1;}
star297 0:e2a155f50119 201 if( strstr(webdata, "Out1=1") != NULL ) {Out1=1;}
star297 0:e2a155f50119 202 if( strstr(webdata, "Out1=0") != NULL ) {Out1=0;}
star297 0:e2a155f50119 203 if( strstr(webdata, "Out2=1") != NULL ) {Out2=1;}
star297 0:e2a155f50119 204 if( strstr(webdata, "Out2=0") != NULL ) {Out2=0;}
star297 0:e2a155f50119 205 if( strstr(webdata, "Out3=1") != NULL ) {Out3=1;}
star297 0:e2a155f50119 206 if( strstr(webdata, "Out3=0") != NULL ) {Out3=0;}
star297 0:e2a155f50119 207 sprintf(channel, "%d",linkID);
star297 0:e2a155f50119 208 if (strstr(webdata, "GET") != NULL) {servreq=1;}
star297 0:e2a155f50119 209 if (strstr(webdata, "POST") != NULL) {servreq=1;}
star297 2:d4c6bc0f2dc4 210 webcounter++;
star297 2:d4c6bc0f2dc4 211 sprintf(webcount, "%d",webcounter);
star297 0:e2a155f50119 212 }
star297 3:f7febfa77784 213 else {
star297 3:f7febfa77784 214 memset(webbuff, '\0', sizeof(webbuff));
star297 3:f7febfa77784 215 esp.attach(&callback);weberror=1;
star297 3:f7febfa77784 216 }
star297 0:e2a155f50119 217 }
star297 0:e2a155f50119 218 // Starts and restarts webserver if errors detected.
star297 0:e2a155f50119 219 void startserver()
star297 0:e2a155f50119 220 {
star297 3:f7febfa77784 221 gettemp();gettime();
star297 1:71ed1afbf344 222 pc.printf("\n\n RTC time %s\r\n\n",timebuf);
star297 1:71ed1afbf344 223 pc.printf("++++++++++ Resetting ESP ++++++++++\r\n");
star297 3:f7febfa77784 224 strcpy(cmdbuff,"AT+RST\r\n");
star297 3:f7febfa77784 225 timeout=2000;getcount=600;
star297 0:e2a155f50119 226 SendCMD();
star297 1:71ed1afbf344 227 getreply();
star297 3:f7febfa77784 228 pc.printf(replybuff);
star297 3:f7febfa77784 229 pc.printf("%d",count);
star297 3:f7febfa77784 230 if (strstr(replybuff, "OK") != NULL) {
star297 1:71ed1afbf344 231 pc.printf("\n++++++++++ Starting Server ++++++++++\r\n");
star297 3:f7febfa77784 232 strcpy(cmdbuff, "AT+CIPMUX=1\r\n"); // set multiple connections.
star297 3:f7febfa77784 233 timeout=500;getcount=10;
star297 1:71ed1afbf344 234 SendCMD();
star297 2:d4c6bc0f2dc4 235 getreply();
star297 3:f7febfa77784 236 sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port);
star297 3:f7febfa77784 237 timeout=500;getcount=10;
star297 1:71ed1afbf344 238 SendCMD();
star297 3:f7febfa77784 239 getreply();
star297 3:f7febfa77784 240 sprintf(cmdbuff,"AT+CIPSTO=%d\r\n",SERVtimeout);
star297 3:f7febfa77784 241 timeout=500;getcount=50;
star297 3:f7febfa77784 242 SendCMD();
star297 2:d4c6bc0f2dc4 243 getreply();
star297 1:71ed1afbf344 244 pc.printf("\n Getting Server IP \r\n");
star297 3:f7febfa77784 245 strcpy(cmdbuff, "AT+CIFSR\r\n");
star297 2:d4c6bc0f2dc4 246 timeout=1000;getcount=50;
star297 1:71ed1afbf344 247 while(weberror==0){
star297 1:71ed1afbf344 248 SendCMD();getreply();
star297 3:f7febfa77784 249 if (strstr(replybuff, "0.0.0.0") == NULL) {weberror=1;} // wait for valid IP
star297 1:71ed1afbf344 250 }
star297 1:71ed1afbf344 251 pc.printf("\n Enter WEB address in your browser \r\n\n");
star297 3:f7febfa77784 252 replybuff[strlen(replybuff) - 8] = '\0';
star297 3:f7febfa77784 253 char* IP = replybuff + 5;
star297 3:f7febfa77784 254 sprintf(webdata," http://%s:%d", IP, port);
star297 3:f7febfa77784 255 pc.printf(webdata);
star297 1:71ed1afbf344 256 led2=0;wait(2);led2=1;
star297 3:f7febfa77784 257 bufflen=200;count=0;
star297 1:71ed1afbf344 258 pc.printf("\n\n++++++++++ Ready ++++++++++\r\n\n");
star297 1:71ed1afbf344 259 esp.attach(&callback);
star297 0:e2a155f50119 260 }
star297 1:71ed1afbf344 261 else{
star297 1:71ed1afbf344 262 pc.printf("\n++++++++++ ESP8266 error, check power/connections ++++++++++\r\n");
star297 1:71ed1afbf344 263 while(1){}
star297 2:d4c6bc0f2dc4 264 }
star297 2:d4c6bc0f2dc4 265 t2.reset();t2.start();beep();
star297 0:e2a155f50119 266 }
star297 0:e2a155f50119 267 // ESP Command data send
star297 0:e2a155f50119 268 void SendCMD()
star297 0:e2a155f50119 269 {
star297 3:f7febfa77784 270 esp.printf("%s", cmdbuff);
star297 0:e2a155f50119 271 }
star297 0:e2a155f50119 272 // Large WEB buffer data send
star297 0:e2a155f50119 273 void SendWEB()
star297 0:e2a155f50119 274 {
star297 0:e2a155f50119 275 int i=0;
star297 0:e2a155f50119 276 if(esp.writeable()) {
star297 3:f7febfa77784 277 while(webbuff[i]!='\0') {esp.putc(webbuff[i]);i++;}
star297 0:e2a155f50119 278 }
star297 0:e2a155f50119 279 }
star297 0:e2a155f50119 280 // Get Cammand and ESP status replies
star297 0:e2a155f50119 281 void getreply()
star297 0:e2a155f50119 282 {
star297 3:f7febfa77784 283 memset(replybuff, '\0', sizeof(replybuff));
star297 3:f7febfa77784 284 t1.reset(); t1.start();replycount=0;
star297 3:f7febfa77784 285 while(t1.read_ms()< timeout && replycount < getcount) {
star297 0:e2a155f50119 286 if(esp.readable()) {
star297 3:f7febfa77784 287 replybuff[replycount] = esp.getc();replycount++;
star297 0:e2a155f50119 288 }
star297 2:d4c6bc0f2dc4 289 }
star297 2:d4c6bc0f2dc4 290 t1.stop();
star297 0:e2a155f50119 291 }
star297 0:e2a155f50119 292 // Analog in example
star297 0:e2a155f50119 293 void getbattery()
star297 0:e2a155f50119 294 {
star297 0:e2a155f50119 295 AdcIn=BATin.read();
star297 2:d4c6bc0f2dc4 296 Ht = (AdcIn*3.328f*(R1+R2)/R2); // set the numeric to the exact MCU analog reference voltage for greater accuracy
star297 0:e2a155f50119 297 sprintf(Vcc,"%2.3f",Ht);
star297 0:e2a155f50119 298 }
star297 0:e2a155f50119 299 // Temperature example
star297 0:e2a155f50119 300 void gettemp()
star297 2:d4c6bc0f2dc4 301 {
star297 0:e2a155f50119 302 temperature=thermom.GetTemperature(); // comment this out if no sensor connected
star297 0:e2a155f50119 303 //temperature = 21.357; // include for dummy value
star297 0:e2a155f50119 304 sprintf(Temp,"%3.3f",temperature);
star297 0:e2a155f50119 305 }
star297 0:e2a155f50119 306 // Get RTC time
star297 0:e2a155f50119 307 void gettime()
star297 0:e2a155f50119 308 {
star297 0:e2a155f50119 309 time_t seconds = time(NULL);
star297 0:e2a155f50119 310 strftime(timebuf,50,"%H:%M:%S %a %d %b %y", localtime(&seconds));
star297 0:e2a155f50119 311 }
star297 0:e2a155f50119 312
star297 2:d4c6bc0f2dc4 313 void beep()
star297 2:d4c6bc0f2dc4 314 {
star297 2:d4c6bc0f2dc4 315 speaker.period(1.0/2000); // 2000hz period
star297 2:d4c6bc0f2dc4 316 speaker = 0.5; //50% duty cycle - max volume
star297 2:d4c6bc0f2dc4 317 wait_ms(60);
star297 2:d4c6bc0f2dc4 318 speaker=0.0; // turn off audio
star297 2:d4c6bc0f2dc4 319 }
star297 2:d4c6bc0f2dc4 320
star297 1:71ed1afbf344 321 void setRTC()
star297 1:71ed1afbf344 322 {
star297 1:71ed1afbf344 323 t.tm_sec = (0); // 0-59
star297 1:71ed1afbf344 324 t.tm_min = (minute); // 0-59
star297 1:71ed1afbf344 325 t.tm_hour = (hour); // 0-23
star297 1:71ed1afbf344 326 t.tm_mday = (dayofmonth); // 1-31
star297 1:71ed1afbf344 327 t.tm_mon = (month-1); // 0-11 "0" = Jan, -1 added for Mbed RCT clock format
star297 1:71ed1afbf344 328 t.tm_year = ((year)+100); // year since 1900, current DCF year + 100 + 1900 = correct year
star297 1:71ed1afbf344 329 set_time(mktime(&t)); // set RTC clock
star297 1:71ed1afbf344 330 }