Niranjan Ravi / Mbed 2 deprecated ESP8266_Niranjan

Working code from Niranjan

Dependencies:   mbed ESP8266

main.cpp@0:8ca71ccb52db, 2016-06-06 (annotated)

Committer:
SIT2016
Date:
Mon Jun 06 11:45:26 2016 +0000
Revision:
0:8ca71ccb52db
Child:
1:2012c31aee1b
Uploading POT value to local phant server using ESP8266;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
SIT2016 0:8ca71ccb52db 1 #include "mbed.h"
SIT2016 0:8ca71ccb52db 2 #include "ESP8266.h"
SIT2016 0:8ca71ccb52db 3
SIT2016 0:8ca71ccb52db 4 Serial pc(USBTX,USBRX);
SIT2016 0:8ca71ccb52db 5 AnalogIn pot(PTB0); // pir senor input
SIT2016 0:8ca71ccb52db 6 ESP8266 wifi(PTE0, PTE1, 115200); // baud rate for wifi
SIT2016 0:8ca71ccb52db 7 char snd[255],rcv[1000];
SIT2016 0:8ca71ccb52db 8 char http_cmd[300];
SIT2016 0:8ca71ccb52db 9
SIT2016 0:8ca71ccb52db 10 //#define IP "data.sparkfun.com"
SIT2016 0:8ca71ccb52db 11 //#define IP "184.106.153.149"
SIT2016 0:8ca71ccb52db 12 #define IP "192.168.0.39"
SIT2016 0:8ca71ccb52db 13
SIT2016 0:8ca71ccb52db 14 float val = 0; //global variable
SIT2016 0:8ca71ccb52db 15
SIT2016 0:8ca71ccb52db 16 char* Public_Key = "Xb3ovW3grvIMo31jd8p0HmPEba3O";
SIT2016 0:8ca71ccb52db 17 char* Private_Key = "LPZe7qZLg7t0NnWbYD2XHrmB2AMq";
SIT2016 0:8ca71ccb52db 18
SIT2016 0:8ca71ccb52db 19 /************ WiFi INTIALIZATION *********/
SIT2016 0:8ca71ccb52db 20
SIT2016 0:8ca71ccb52db 21 void wifi_initialize(void);
SIT2016 0:8ca71ccb52db 22 void wifi_send(void);
SIT2016 0:8ca71ccb52db 23
SIT2016 0:8ca71ccb52db 24 int main () {
SIT2016 0:8ca71ccb52db 25
SIT2016 0:8ca71ccb52db 26
SIT2016 0:8ca71ccb52db 27 wifi_initialize();
SIT2016 0:8ca71ccb52db 28
SIT2016 0:8ca71ccb52db 29 while (1) {
SIT2016 0:8ca71ccb52db 30
SIT2016 0:8ca71ccb52db 31 val = pot.read();
SIT2016 0:8ca71ccb52db 32 pc.printf("\r\nPotentiometer value=%.3f \r\n", val);
SIT2016 0:8ca71ccb52db 33 pc.printf("Sending WiFi information\n\r");
SIT2016 0:8ca71ccb52db 34 wifi_send();
SIT2016 0:8ca71ccb52db 35 wait(4);
SIT2016 0:8ca71ccb52db 36 }
SIT2016 0:8ca71ccb52db 37 }
SIT2016 0:8ca71ccb52db 38
SIT2016 0:8ca71ccb52db 39 void wifi_initialize(){
SIT2016 0:8ca71ccb52db 40
SIT2016 0:8ca71ccb52db 41 pc.baud(9600);
SIT2016 0:8ca71ccb52db 42 pc.printf("SET mode to AP\r\n");
SIT2016 0:8ca71ccb52db 43 wifi.SetMode(1); // set ESP mode to 1
SIT2016 0:8ca71ccb52db 44 wifi.RcvReply(rcv, 1000); //receive a response from ESP
SIT2016 0:8ca71ccb52db 45 pc.printf("%s",rcv); //Print the response onscreen
SIT2016 0:8ca71ccb52db 46 pc.printf("Conneting to AP\r\n");
SIT2016 0:8ca71ccb52db 47 wifi.Join("Eduvance_WiFi", "eduvance"); // Your wifi username & Password
SIT2016 0:8ca71ccb52db 48 wifi.RcvReply(rcv, 1000); //receive a response from ESP
SIT2016 0:8ca71ccb52db 49 pc.printf("%s", rcv); //Print the response onscreen
SIT2016 0:8ca71ccb52db 50 wait(8); //waits for response from ESP
SIT2016 0:8ca71ccb52db 51 pc.printf("Getting IP\r\n"); //get IP addresss from the connected AP
SIT2016 0:8ca71ccb52db 52 wifi.GetIP(rcv); //receive an IP address from the AP
SIT2016 0:8ca71ccb52db 53 pc.printf("%s", rcv);
SIT2016 0:8ca71ccb52db 54 wait(5); // Delay 5 sec to give the pir time to get snapshut of the surrounding
SIT2016 0:8ca71ccb52db 55 pc.printf("Initializing WiFi\r\n");
SIT2016 0:8ca71ccb52db 56 }
SIT2016 0:8ca71ccb52db 57
SIT2016 0:8ca71ccb52db 58 void wifi_send(void){
SIT2016 0:8ca71ccb52db 59
SIT2016 0:8ca71ccb52db 60 strcpy(snd,"AT+CIPMODE=0");//Setting WiFi into MultiChannel mode
SIT2016 0:8ca71ccb52db 61 wifi.SendCMD(snd);
SIT2016 0:8ca71ccb52db 62 //pc.printf(snd);
SIT2016 0:8ca71ccb52db 63 wifi.RcvReply(rcv, 3000);
SIT2016 0:8ca71ccb52db 64 pc.printf("%s", rcv);
SIT2016 0:8ca71ccb52db 65
SIT2016 0:8ca71ccb52db 66 //WIFI updates the Status to Thingspeak servers//
SIT2016 0:8ca71ccb52db 67 strcpy(snd,"AT+CIPMUX=1");//Setting WiFi into MultiChannel mode
SIT2016 0:8ca71ccb52db 68 wifi.SendCMD(snd);
SIT2016 0:8ca71ccb52db 69 //pc.printf(snd);
SIT2016 0:8ca71ccb52db 70 wifi.RcvReply(rcv, 3000);
SIT2016 0:8ca71ccb52db 71 pc.printf("%s", rcv);
SIT2016 0:8ca71ccb52db 72
SIT2016 0:8ca71ccb52db 73 sprintf(snd,"AT+CIPSTART=4,\"TCP\",\"%s\",8080",IP); //Initiate connection with server
SIT2016 0:8ca71ccb52db 74 wifi.SendCMD(snd);
SIT2016 0:8ca71ccb52db 75 //pc.printf(snd);
SIT2016 0:8ca71ccb52db 76 wifi.RcvReply(rcv, 3000);
SIT2016 0:8ca71ccb52db 77 pc.printf("%s", rcv);
SIT2016 0:8ca71ccb52db 78
SIT2016 0:8ca71ccb52db 79 sprintf(http_cmd,"GET /input/%s?private_key=%s&val=%0.2f HTTP/1.0\n\n",Public_Key,Private_Key,val); //Post values
SIT2016 0:8ca71ccb52db 80 pc.printf("%d",strlen(http_cmd));
SIT2016 0:8ca71ccb52db 81 strcpy(snd,"AT+CIPSEND=4,105"); //Send Number of open connections,Characters to send
SIT2016 0:8ca71ccb52db 82 wifi.SendCMD(snd);
SIT2016 0:8ca71ccb52db 83 //pc.printf(snd);
SIT2016 0:8ca71ccb52db 84 wifi.RcvReply(rcv, 3000);
SIT2016 0:8ca71ccb52db 85 pc.printf("%s", rcv);
SIT2016 0:8ca71ccb52db 86
SIT2016 0:8ca71ccb52db 87 sprintf(snd,"GET /input/%s?private_key=%s&val=%0.2f HTTP/1.0\n\n",Public_Key,Private_Key,val); //Post values
SIT2016 0:8ca71ccb52db 88 strcpy(snd, http_cmd);
SIT2016 0:8ca71ccb52db 89 pc.printf("%s",http_cmd);
SIT2016 0:8ca71ccb52db 90 wifi.SendCMD(http_cmd);
SIT2016 0:8ca71ccb52db 91 wifi.RcvReply(rcv, 3000);
SIT2016 0:8ca71ccb52db 92 pc.printf("%s", rcv);
SIT2016 0:8ca71ccb52db 93
SIT2016 0:8ca71ccb52db 94 //wifi.SendCMD("AT+CIPCLOSE"); //Close the connection to server
SIT2016 0:8ca71ccb52db 95 //wifi.RcvReply(rcv, 3000);
SIT2016 0:8ca71ccb52db 96 //pc.printf("%s", rcv);
SIT2016 0:8ca71ccb52db 97 }