SIT / Mbed 2 deprecated ThingSpeak_ESP8266

ThingSpeak working code

Dependencies:   ESP8266_eduvance_shield mbed

Files at this revision

API Documentation at this revision

Revision 0:21cfa34bc0ae, committed 2016-12-19

Comitter:
smhapankar
Date:
Mon Dec 19 13:27:26 2016 +0000
Commit message:
ThingSpeak working code

Changed in this revision

ESP8266.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266.lib	Mon Dec 19 13:27:26 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/naray23/code/ESP8266_eduvance_shield/#9f5d26a20e0e

--- /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

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Dec 19 13:27:26 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/7c328cabac7e
\ No newline at end of file