![](/media/cache/profiles/IMG_2753.JPG.50x50_q85.jpg)
Ejemplo de domotica con ESP8266
Diff: main.cpp
- Revision:
- 2:d4c6bc0f2dc4
- Parent:
- 1:71ed1afbf344
- Child:
- 3:f7febfa77784
--- a/main.cpp Sun Feb 15 12:05:58 2015 +0000 +++ b/main.cpp Thu Feb 19 23:47:54 2015 +0000 @@ -6,53 +6,58 @@ Serial pc(USBTX, USBRX); Serial esp(PTE0, PTE1); // tx, rx +DS18B20 thermom(A0, DS18B20::RES_12_BIT); + // Standard Mbed LED definitions DigitalOut led1(LED_RED); // (PTB18) DigitalOut led2(LED_GREEN); // (PTB19) DigitalOut led3(LED_BLUE); // (PTD1) // Digital Out and In pins, can be configured to any suitable pin depending on Platform -DigitalOut Out1(PTC7); -DigitalOut Out2(PTC0); -DigitalOut Out3(PTC3); +DigitalOut Out1(D7); +DigitalOut Out2(D8); +DigitalOut Out3(D4); -DigitalIn In1(PTC12); -DigitalIn In2(PTC13); -DigitalIn In3(PTC16); +DigitalIn In1(A2); +DigitalIn In2(A3); +DigitalIn In3(A4); -AnalogIn BATin(PTC1); - -DS18B20 thermom(PTB0, DS18B20::RES_12_BIT); +PwmOut speaker(D5); +AnalogIn BATin(A1); Timer t1; Timer t2; struct tm t; -int buflen, DataRX, count, ended, servreq, timeout; -int bufl, ipdLen, linkID, weberror; +int buflen, DataRX, count, getcount, ended, servreq, timeout; +int bufl, ipdLen, linkID, weberror, webcounter; float temperature, AdcIn, Ht; float R1=100000, R2=10000; // resistor values to give a 10:1 reduction of measured AnalogIn voltage char Vcc[10]; char Temp[10]; char temp[10]; +char webcount[8]; +char lasthit[60]; char timebuf[30]; char type[16]; char type1[16]; char channel[2]; char snd[256]; char webdata[1024]; // This may need to be bigger depending on WEB browser used -char buf[2048]; // Currently using 1407 characters, Increase this if more web page data added +char buf[4096]; // Currently using 1407 characters, Increase this if more web page data added void SendCMD(),getreply(),ReadWebData(),startserver(),sendpage(),SendWEB(),sendcheck(); -void gettime(),gettemp(),getbattery(),setRTC(); +void gettime(),gettemp(),getbattery(),setRTC(),beep(); // manual set RTC values -int minute =58; // 0-59 -int hour =11; // 2-23 -int dayofmonth =15; // 1-31 +int minute =13; // 0-59 +int hour =15; // 2-23 +int dayofmonth =19; // 1-31 int month =2; // 1-12 int year =15; // last 2 digits + +int port =90; // set server port // Serial Interrupt read ESP data void callback() { @@ -65,38 +70,46 @@ pc.baud(115200); esp.baud(115200); // ESP8266 baudrate. if (time(NULL) < 1420070400) {setRTC();} - + beep(); startserver(); while(1){ if(DataRX==1){ ReadWebData(); + beep(); if (servreq == 1 && weberror == 0){sendpage();} 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); pc.printf("\n\n HTTP Packet: \n\n%s\n", webdata); pc.printf(" Web Characters sent : %d\n\n", bufl); pc.printf(" -------------------------------------\n\n"); esp.attach(&callback); + strcpy(lasthit, timebuf); servreq=0; - } + } + if(t2.read()>900){startserver();} // restart server every 15 minutes after no activity in case of ESP lock out. } } // Static WEB page void sendpage() { - gettemp();getbattery();gettime(); -// WEB page data + gettemp();getbattery();gettime(); memset(buf, '\0', sizeof(buf)); - strcpy(buf, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"); - strcat(buf, "<html><head><title>ESP8266 Mbed</title></head>\r\n"); - strcat(buf, "<body>\r\n"); - strcat(buf, "<h1>ESP8266 Mbed Web Controller</h1>\r\n"); - strcat(buf, "<br /><hr>\r\n"); + +// WEB page data + strcpy(buf, "<!DOCTYPE html>"); + strcat(buf, "<html><head><title>ESP8266 Mbed</title></head>"); + strcat(buf, "<body>"); + strcat(buf, "<div style=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h1>ESP8266 Mbed Web Controller</h1>"); + strcat(buf, "Hit Count - "); + strcat(buf, webcount); + strcat(buf, "<br>Last Hit - "); + strcat(buf, lasthit); + strcat(buf, "</div><br /><hr>"); strcat(buf, "<h3>Mbed RTC Time - "); strcat(buf, timebuf); strcat(buf, "</h3>\r\n"); - strcat(buf, "<p><form method=\"POST\"><strong> Temperature: <input type=\"text\" size=4 value=\""); + strcat(buf, "<p><form method=\"POST\"><strong> Temperature: <input type=\"text\" size=6 value=\""); strcat(buf, Temp); strcat(buf, "\"> <sup>O</sup>C <form method=\"POST\"> <strong> Battery: <input type=\"text\" size=4 value=\""); strcat(buf, Vcc); @@ -122,20 +135,29 @@ if(In2==0){strcat(buf, "<br><input type=\"radio\" name=\"In2\" value=\"0\" > Digital In 2");} else{strcat(buf, "<br><input type=\"radio\" name=\"In2\" value=\"1\" checked> Digital In 2");} if(In3==0){strcat(buf, "<br><input type=\"radio\" name=\"In3\" value=\"0\" > Digital In 3");} - else{strcat(buf, "<br><input type=\"radio\" name=\"In3\" value=\"1\" checked> Digital In 3");} - strcat(buf, "</strong><p><input type=\"submit\"></form></span>"); - strcat(buf, "</body>\r\n</html>\r\n"); + else{strcat(buf, "<br><input type=\"radio\" name=\"In3\" value=\"1\" checked> Digital In 3");} + strcat(buf, "</strong><p><input type=\"submit\" value=\"send-refresh\" style=\"background: #3498db;"); + strcat(buf, "background-image:-webkit-linear-gradient(top, #3498db, #2980b9);"); + strcat(buf, "background-image:linear-gradient(to bottom, #3498db, #2980b9);"); + strcat(buf, "-webkit-border-radius:12;border-radius: 12px;font-family: Arial;color:#ffffff;font-size:20px;padding:"); + strcat(buf, "10px 20px 10px 20px; border:solid #103c57 3px;text-decoration: none;"); + strcat(buf, "background: #3cb0fd;"); + strcat(buf, "background-image:-webkit-linear-gradient(top,#3cb0fd,#1a5f8a);"); + strcat(buf, "background-image:linear-gradient(to bottom,#3cb0fd,#1a5f8a);"); + strcat(buf, "text-decoration:none;\"></form></span>"); strcat(buf, "<p/><h2>How to use:</h2><ul>"); strcat(buf, "<li>Select the Radio buttons to control the digital out pins.</li>"); - strcat(buf, "<li>Click 'Submit Query' to send.</li>"); - strcat(buf, "<li>Use the 'Submit Query' button to refresh the page.</li>"); + strcat(buf, "<li>Click 'Send-Refresh' to send.</li>"); + strcat(buf, "<li>Use the 'Send-Refresh' button to refresh the data.</li>"); strcat(buf, "</ul>"); + strcat(buf, "</body></html>"); // end of WEB page data bufl = strlen(buf); // get total page buffer length sprintf(snd,"AT+CIPSEND=%s,%d\r\n", channel, bufl); // send IPD link channel and buffer character length. SendCMD(); wait_ms(100); SendWEB(); // send web page + memset(buf, '\0', sizeof(buf)); sendcheck(); } @@ -148,7 +170,7 @@ getreply(); if (strstr(buf, "SEND OK") != NULL) {weberror=0;} // wait for valid SEND OK } - t2.stop(); + t2.reset(); if(weberror==1){ pc.printf("\n\n\n ++++++++++ WEB Connect Error, restarting ... ++++++++++\n\n"); NVIC_SystemReset();} @@ -178,8 +200,10 @@ sprintf(channel, "%d",linkID); if (strstr(webdata, "GET") != NULL) {servreq=1;} if (strstr(webdata, "POST") != NULL) {servreq=1;} + webcounter++; + sprintf(webcount, "%d",webcounter); } - else {strcpy(webdata, buf);weberror=1;} + else {strcpy(webdata, buf);weberror=1;} led3=1; } // Starts and restarts webserver if errors detected. @@ -192,19 +216,22 @@ pc.printf("++++++++++ Resetting ESP ++++++++++\r\n"); strcpy(snd,"AT+RST\r\n"); SendCMD(); - timeout=2000; + timeout=2000;getcount=336; getreply(); if (strstr(buf, "ready") != NULL) { pc.printf("\n++++++++++ Starting Server ++++++++++\r\n"); strcpy(snd, "AT+CIPMUX=1\r\n"); // set multiple connections. SendCMD(); - wait_ms(50); - strcpy(snd, "AT+CIPSERVER=1,80\r\n"); // set to port 80, you can change this to what you want. + timeout=500;getcount=10; + getreply(); + strcpy(snd, "AT+CIPSERVER=1,90\r\n"); + //sprintf(snd,"AT+CIPSERVER=1,%d\r\n", port); SendCMD(); - wait_ms(200); + timeout=500;getcount=10; + getreply(); pc.printf("\n Getting Server IP \r\n"); strcpy(snd, "AT+CIFSR\r\n"); - timeout=500; + timeout=1000;getcount=50; while(weberror==0){ SendCMD();getreply(); if (strstr(buf, "0.0.0.0") == NULL) {weberror=1;} // wait for valid IP @@ -212,7 +239,7 @@ pc.printf("\n Enter WEB address in your browser \r\n\n"); buf[strlen(buf) - 8] = '\0'; char* IP = buf + 5; - sprintf(snd," http://%s:80", IP); + sprintf(snd," http://%s:%d", IP, port); pc.printf(snd); while (esp.readable()){esp.getc();} buflen=200;count=0; @@ -224,7 +251,8 @@ else{ pc.printf("\n++++++++++ ESP8266 error, check power/connections ++++++++++\r\n"); while(1){} - } + } + t2.reset();t2.start();beep(); } // ESP Command data send void SendCMD() @@ -243,27 +271,25 @@ void getreply() { memset(buf, '\0', sizeof(buf)); - t1.start(); + t1.reset(); t1.start(); ended=0;count=0; - while(!ended) { + while(t1.read_ms()< timeout && count < getcount) { if(esp.readable()) { buf[count] = esp.getc();count++; } - if(t1.read_ms() > timeout) { - ended = 1;t1.stop();t1.reset(); - } - } + } + t1.stop(); } // Analog in example void getbattery() { AdcIn=BATin.read(); - Ht = (AdcIn*3.328*(R1+R2)/R2); // set the numeric to the exact MCU analog reference voltage for greater accuracy + Ht = (AdcIn*3.328f*(R1+R2)/R2); // set the numeric to the exact MCU analog reference voltage for greater accuracy sprintf(Vcc,"%2.3f",Ht); } // Temperature example void gettemp() -{ +{ temperature=thermom.GetTemperature(); // comment this out if no sensor connected //temperature = 21.357; // include for dummy value sprintf(Temp,"%3.3f",temperature); @@ -275,6 +301,14 @@ strftime(timebuf,50,"%H:%M:%S %a %d %b %y", localtime(&seconds)); } +void beep() +{ + speaker.period(1.0/2000); // 2000hz period + speaker = 0.5; //50% duty cycle - max volume + wait_ms(60); + speaker=0.0; // turn off audio +} + void setRTC() { t.tm_sec = (0); // 0-59