Dewant Katare
ESP8266, FRDM K64F, Thingspeak
Revision 0:8ca71ccb52db, committed 2016-06-06
- Comitter:
- SIT2016
- Date:
- Mon Jun 06 11:45:26 2016 +0000
- Child:
- 1:2012c31aee1b
- Commit message:
- Uploading POT value to local phant server using ESP8266;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ESP8266.lib Mon Jun 06 11:45:26 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/quevedo/code/ESP8266/#77388e8f0697
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Jun 06 11:45:26 2016 +0000
@@ -0,0 +1,97 @@
+#include "mbed.h"
+#include "ESP8266.h"
+
+Serial pc(USBTX,USBRX);
+AnalogIn pot(PTB0); // pir senor input
+ESP8266 wifi(PTE0, PTE1, 115200); // baud rate for wifi
+char snd[255],rcv[1000];
+char http_cmd[300];
+
+//#define IP "data.sparkfun.com"
+//#define IP "184.106.153.149"
+#define IP "192.168.0.39"
+
+float val = 0; //global variable
+
+char* Public_Key = "Xb3ovW3grvIMo31jd8p0HmPEba3O";
+char* Private_Key = "LPZe7qZLg7t0NnWbYD2XHrmB2AMq";
+
+/************ WiFi INTIALIZATION *********/
+
+void wifi_initialize(void);
+void wifi_send(void);
+
+int main () {
+
+
+ wifi_initialize();
+
+ while (1) {
+
+ val = pot.read();
+ pc.printf("\r\nPotentiometer value=%.3f \r\n", val);
+ pc.printf("Sending WiFi information\n\r");
+ wifi_send();
+ wait(4);
+ }
+}
+
+void wifi_initialize(){
+
+ 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");
+}
+
+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\",8080",IP); //Initiate connection with server
+ wifi.SendCMD(snd);
+ //pc.printf(snd);
+ wifi.RcvReply(rcv, 3000);
+ pc.printf("%s", rcv);
+
+ sprintf(http_cmd,"GET /input/%s?private_key=%s&val=%0.2f HTTP/1.0\n\n",Public_Key,Private_Key,val); //Post values
+ pc.printf("%d",strlen(http_cmd));
+ strcpy(snd,"AT+CIPSEND=4,105"); //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 /input/%s?private_key=%s&val=%0.2f HTTP/1.0\n\n",Public_Key,Private_Key,val); //Post values
+ strcpy(snd, http_cmd);
+ pc.printf("%s",http_cmd);
+ wifi.SendCMD(http_cmd);
+ 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 Jun 06 11:45:26 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34 \ No newline at end of file