Diff: main.cpp

Revision:

0:21cfa34bc0ae

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 19 13:27:26 2016 +0000
@@ -0,0 +1,85 @@
+#include "mbed.h"
+#include "ESP8266.h"
+ 
+
+Serial pc(USBTX,USBRX);
+AnalogIn inputPin(PTB1); // pir senor input
+ESP8266 wifi(PTE0, PTE1, 115200); // baud rate for wifi
+char snd[255],rcv[1000];
+ 
+#define IP "184.106.153.149" // thingspeak.com IP Address
+ 
+float val = 0; // value to holed the high/low info from pir from pin D2
+ 
+/************ WiFi INTIALIZATION *********/
+ 
+void wifi_initialize(void);
+void wifi_send(void);
+ 
+int main () {
+    
+    pc.baud(9600);   
+    pc.printf("SET mode to AP\r\n");
+    wifi.SetMode(1);    // set ESP mode to 1
+    wifi.RcvReply(rcv, 1000);    //receive a response from ESP
+    pc.printf("%s",rcv);    //Print the response onscreen
+    pc.printf("Connecting to AP\r\n");
+    wifi.Join("Eduvance", "eduvance123");     // Your wifi username & Password 
+    wifi.RcvReply(rcv, 1000);    //receive a response from ESP
+    pc.printf("%s", rcv);    //Print the response onscreen
+    wait(8);     //waits for response from ESP
+    pc.printf("Getting IP\r\n");    //get IP addresss from the connected AP
+    wifi.GetIP(rcv);    //receive an IP address from the AP
+    pc.printf("%s", rcv);
+    wait(5); // Delay 5 sec to give the pir time to get snapshut of the surrounding
+    pc.printf("Initializing WiFi\r\n");
+    //wifi_initialize();
+    while (1) 
+    {      
+        val = inputPin.read();
+        pc.printf("Sending WiFi information\n\r");
+        wifi_send();
+        wait(2.0f);
+        wait(1.5f);
+        }
+    }
+ 
+void wifi_send(void){
+   
+    strcpy(snd,"AT+CIPMODE=0");//Setting WiFi into MultiChannel mode
+    wifi.SendCMD(snd);
+    pc.printf(snd);
+    wifi.RcvReply(rcv, 3000);
+    pc.printf("%s", rcv);
+  
+    //WIFI updates the Status to Thingspeak servers//
+    strcpy(snd,"AT+CIPMUX=1");//Setting WiFi into MultiChannel mode
+    wifi.SendCMD(snd);
+    pc.printf(snd);
+    wifi.RcvReply(rcv, 3000);
+    pc.printf("%s", rcv);
+  
+  
+    sprintf(snd,"AT+CIPSTART=4,\"TCP\",\"%s\",80",IP); //Initiate connection with THINGSPEAK server 
+    wifi.SendCMD(snd);
+    pc.printf(snd);
+    wifi.RcvReply(rcv, 3000);
+    pc.printf("%s", rcv);
+ 
+    strcpy(snd,"AT+CIPSEND=4,47");    //Send Number of open connections,Characters to send 
+    wifi.SendCMD(snd);
+    pc.printf(snd);
+    wifi.RcvReply(rcv, 3000);
+    pc.printf("%s", rcv);
+  
+    
+    sprintf(snd,"GET /update?key=ZL31BTC0X4LKXGOT&field1=%2.2f\r\n",val); //Post values to thingspeak
+    pc.printf("%s",snd);
+    wifi.SendCMD(snd);
+    wifi.RcvReply(rcv, 3000);
+    pc.printf("%s", rcv);
+  
+    wifi.SendCMD("AT+CIPCLOSE"); //Close the connection to server
+    wifi.RcvReply(rcv, 3000);
+    pc.printf("%s", rcv);
+}
\ No newline at end of file