Janhavi Kulkarni / Mbed 2 deprecated ESP8266_ThingsSpeak_KL25z

This code uploads an analog value to the Things speak IOT server with the ESP8266 wifi module. Make sure to change the key to the data stream.

Dependencies:   ESP8266 mbed

Files at this revision

API Documentation at this revision

Revision 0:a42b121ce25a, committed 2016-05-23

Comitter:
janhavi
Date:
Mon May 23 09:30:56 2016 +0000
Commit message:
Things speak data uploading with ESP8266

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 
diff -r 000000000000 -r a42b121ce25a ESP8266.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266.lib	Mon May 23 09:30:56 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/quevedo/code/ESP8266/#77388e8f0697

diff -r 000000000000 -r a42b121ce25a main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 23 09:30:56 2016 +0000
@@ -0,0 +1,85 @@
+#include "mbed.h"
+#include "ESP8266.h"
+
+Serial pc(USBTX,USBRX);
+AnalogIn inputPin(A2); // temp
+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; // value to holed the high/low info from pir from pin D2
+int cnt = 0; // counter for motion
+
+ 
+/************ WiFi INTIALIZATION *********/
+ 
+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("Conneting to AP\r\n");
+wifi.Join("Eduvance_WiFi", "eduvance");     // 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");
+while (1) {
+       
+   val = inputPin.read();
+   pc.printf(" The Sensor is ON And I Detected = %i Till NOW\r\n",cnt);
+    pc.printf("Sending WiFi information\n\r");
+    wifi_send();
+    cnt++;
+          }
+    }
+ 
+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=4,46");    //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=4CDAJHYQ6JDNJC5G&field1=%2.2f\r\n",val); //Post values to thingspeak
+  pc.printf("String length %3d\r\n",strlen(snd));
+  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

diff -r 000000000000 -r a42b121ce25a mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon May 23 09:30:56 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/7c328cabac7e
\ No newline at end of file