main.cpp

00001 #include "mbed.h"
00002 #include "ESP8266.h"
00003  
00004 InterruptIn motion(D2);
00005 
00006 Serial pc(USBTX,USBRX); //UART/Serial Communication
00007 
00008 ESP8266 wifi(PTE0, PTE1, 115200); // Setting up Baud Rate for WIFI ESP Module
00009 char snd[255],rcv[1000];
00010 
00011 #define IP "184.106.153.149" // Defining Thingspeak IP Address
00012  
00013 
00014 int dm = 0; //dm = Detected Motion
00015  
00016 void motiondetection(void)
00017 {
00018     dm = 1;
00019 }
00020     
00021 //Defining the necessary Functions to be used//
00022 
00023 void wifi_send(void);
00024 
00025 int cnt;
00026 
00027 
00028 //Execution of Main program 
00029 
00030 int main(void)
00031 {
00032     cnt = 0; //Setting counter value to zero
00033     motion.rise(&motiondetection);
00034     
00035     pc.baud(9600); //Setting up Baud Rate for UART
00036     
00037 // WIFI Initialization Part//
00038     
00039     pc.printf("SET mode to AP\r\n");
00040     wifi.SetMode(1);    // Setting ESP to mode 1
00041     wifi.RcvReply(rcv, 1000);    //In order to receive response from ESP
00042     pc.printf("%s",rcv);    //Display obtained response on TeraTerm
00043     pc.printf("Conneting to AP\r\n");
00044     
00045     //wifi.Join("BHNTG1682G0382", "a2c77382");    
00046     wifi.Join("hello", "hellohello"); // Add Username and Password of the Network to which WIFI ESP module is connected
00047     wifi.RcvReply(rcv, 1000);    //In order to receive response from ESP
00048     pc.printf("%s", rcv);    //Display obtained response on TeraTerm
00049     wait(8);  //Wait for 8 seconds
00050     
00051     pc.printf("Getting IP\r\n");    // Gets IP address
00052     wifi.GetIP(rcv);    //To receive IP
00053     pc.printf("%s", rcv);//Display obtained response on TeraTerm    
00054     wait(5); // Delay 5 sec to give the pir time to get snapshut of the surrounding
00055     pc.printf("Initializing WiFi\r\n");
00056     
00057     while(1) {
00058         if(dm) {
00059             cnt++;
00060             dm = 0;
00061             pc.printf("ALERT!! Intrusion Detected!! I've detected %d times since reset\n", cnt);
00062             pc.printf("Now uploading status to Cloud\n\r");
00063             wifi_send();
00064         }
00065     }
00066 }
00067 // Main program ends//
00068 
00069 
00070 //Routing the inofrmation to Cloud//
00071 
00072 void wifi_send(void)
00073 {   
00074 pc.printf("*************Uploading WIFI Data*************\r\n");
00075 
00076     pc.printf("\r\nTo set WIFI into Single Channel mode\r\n");
00077 
00078     strcpy(snd,"AT+CIPMUX=0");//To Set WIFI into Single Channel mode
00079     wifi.SendCMD(snd);
00080     pc.printf(snd);
00081     
00082     wifi.RcvReply(rcv, 1000);
00083     pc.printf("\r\nMode Status: %s", rcv);
00084     
00085 
00086 
00087 //Connecting to THINGSPEAK server// 
00088     pc.printf("\r\nConnecting to THINGSPEAK server\r\n");
00089     strcpy(snd,"AT+CIPSTART=\"TCP\",\"api.thingspeak.com\",80");    
00090     pc.printf("\r\nSending: %s",snd);
00091     wifi.SendCMD(snd);
00092     wifi.RcvReply(rcv, 1000);
00093     pc.printf("\r\nSever Status: %s", rcv);
00094     
00095 //Deliver Data/Characters//   
00096     pc.printf("\r\nDelivering Data..");
00097     strcpy(snd,"AT+CIPSEND=84");  
00098     wifi.SendCMD(snd);
00099     pc.printf("\r\nSending: %s",snd); 
00100     wifi.RcvReply(rcv, 1000);
00101     pc.printf("\r\nSent Status: %s", rcv);
00102     
00103 //Upload values to Cloud based website i.e. ThingSpeak in order to obtain Graphical Display//
00104 
00105     pc.printf("Uploading values to Thingspeak\r\n");
00106     sprintf(snd,"GET https://api.thingspeak.com/update?key=2DNGOOKD3OZBMVV5&field1=%d HTTP/1.0\r\n\r\n",cnt);   //67,76,84
00107     //sprintf(snd,"GET https://api.thingspeak.com/update?key=2DNGOOKD3OZBMVV5&field1=%d HTTP/1.0\r\n\r\n",cnt);   //67,76,84
00108     pc.printf("\r\nSending: %s",snd);
00109     wifi.SendCMD(snd);
00110     wait(1);
00111     wifi.RcvReply(rcv, 1000);
00112     pc.printf("\r\nSent Status: %s", rcv);
00113     wait(1);
00114 
00115 //Closing the connection with Server//
00116    
00117     pc.printf("\r\nClose the Connection\r\n");                                
00118     strcpy(snd,"AT+CIPCLOSE");        //Command used to close the connection with server
00119     wifi.SendCMD(snd);
00120     pc.printf("\r\nSending: %s",snd);
00121     wait(1);
00122     wifi.RcvReply(rcv, 1000);
00123     pc.printf("Close Connection Status: %s", rcv);   
00124 
00125     pc.printf("\r\nClose connection\r\n");                                
00126     strcpy(snd,"AT+CIPCLOSE");        
00127     wifi.SendCMD(snd);
00128     pc.printf("\r\nSending: %s",snd);
00129     wifi.RcvReply(rcv, 1000);
00130     pc.printf("Close Connection Status: %s", rcv);
00131     pc.printf("\r\nEnd of Closed Connection Status Response\r\n\r\n");
00132     
00133 }