Siddharth Pimprikar / Mbed 2 deprecated IAC_send

Sending data to thingspeak

Dependencies:   DHT ESP8266 mbed

Fork of temp_hum by Siddharth Pimprikar

main.cpp@6:fd279a17f523, 2017-04-02 (annotated)

Committer:
siddharthp
Date:
Sun Apr 02 13:38:06 2017 +0000
Revision:
6:fd279a17f523
Parent:
5:0d98bbc39c7b
Child:
7:00c31738f232
Changes made

Who changed what in which revision?

UserRevisionLine numberNew contents of line
siddharthp 0:da7e87322045 1 #include "mbed.h"
siddharthp 5:0d98bbc39c7b 2 #include "ESP8266.h"
siddharthp 0:da7e87322045 3 ESP8266 wifi(PTC17, PTC16, 115200);
siddharthp 0:da7e87322045 4 Serial pc(USBTX,USBRX);
siddharthp 0:da7e87322045 5 DigitalOut RED(LED1);
siddharthp 0:da7e87322045 6 char snd[255],rcv[1000];
siddharthp 5:0d98bbc39c7b 7 float cur = 0.0f;//current value
siddharthp 5:0d98bbc39c7b 8 float comp = 0.0f;//compressed air flow
siddharthp 5:0d98bbc39c7b 9 float temp = 0.0f;//temperature
siddharthp 5:0d98bbc39c7b 10 float hum = 0.0f;// humidity
siddharthp 5:0d98bbc39c7b 11 float co = 0.0f;// CO2
siddharthp 5:0d98bbc39c7b 12 float pres = 0.0f;//pressure
siddharthp 0:da7e87322045 13 #define IP "184.106.153.149" // thingspeak.com IP Address
siddharthp 0:da7e87322045 14 void wifi_send(void);
siddharthp 0:da7e87322045 15
siddharthp 0:da7e87322045 16 int main()
siddharthp 0:da7e87322045 17 {
siddharthp 0:da7e87322045 18 pc.baud(115200);
siddharthp 0:da7e87322045 19 pc.printf("SET mode to AP\r\n");
siddharthp 0:da7e87322045 20 wifi.SetMode(1); // set ESP mode to 1
siddharthp 0:da7e87322045 21 wifi.RcvReply(rcv, 1000); //receive a response from ESP
siddharthp 0:da7e87322045 22 pc.printf("%s",rcv); //Print the response onscreen
siddharthp 0:da7e87322045 23 pc.printf("Conneting to Wifi\r\n");
siddharthp 5:0d98bbc39c7b 24 wifi.Join("SSID", "password"); // Your wifi username & Password
siddharthp 0:da7e87322045 25 wifi.RcvReply(rcv, 1000); //receive a response from ESP
siddharthp 0:da7e87322045 26 pc.printf("%s\n", rcv); //Print the response onscreen
siddharthp 0:da7e87322045 27 wait(8); //waits for response from ESP
siddharthp 0:da7e87322045 28 pc.printf("Getting IP\r\n"); //get IP addresss from the connected AP
siddharthp 0:da7e87322045 29 wifi.GetIP(rcv); //receive an IP address from the AP
siddharthp 0:da7e87322045 30 pc.printf("%s\n", rcv);
siddharthp 5:0d98bbc39c7b 31 //WIFI updates the Status to Thingspeak servers//
siddharthp 5:0d98bbc39c7b 32 pc.printf("PLEASE STAY AWAY\r\n");
siddharthp 5:0d98bbc39c7b 33 pc.printf("Sending WiFi information\r\n");
siddharthp 5:0d98bbc39c7b 34 strcpy(snd,"AT+CIPMUX=1\r\n");//Setting WiFi into MultiChannel mode
siddharthp 5:0d98bbc39c7b 35 wifi.SendCMD(snd);
siddharthp 5:0d98bbc39c7b 36 pc.printf(snd);
siddharthp 5:0d98bbc39c7b 37 wait(2.0);
siddharthp 5:0d98bbc39c7b 38 wifi.RcvReply(rcv, 1000);
siddharthp 5:0d98bbc39c7b 39 pc.printf("%s\n", rcv);
siddharthp 5:0d98bbc39c7b 40 wait(2);
siddharthp 5:0d98bbc39c7b 41 sprintf(snd,"AT+CIPSTART=4,\"TCP\",\"%s\",80\r\n",IP); //Initiate connection with THINGSPEAK server
siddharthp 5:0d98bbc39c7b 42 pc.printf(snd);
siddharthp 5:0d98bbc39c7b 43 wait(3.0);
siddharthp 5:0d98bbc39c7b 44 wifi.RcvReply(rcv, 1000);
siddharthp 5:0d98bbc39c7b 45 pc.printf("%s\n", rcv);
siddharthp 5:0d98bbc39c7b 46 wait(2);
siddharthp 5:0d98bbc39c7b 47 strcpy(snd,"AT+CIPSEND=4,100\r\n"); //Send Number of open connections,Characters to send
siddharthp 5:0d98bbc39c7b 48 wifi.SendCMD(snd);
siddharthp 5:0d98bbc39c7b 49 pc.printf(snd);
siddharthp 5:0d98bbc39c7b 50 wait(2.0);
siddharthp 5:0d98bbc39c7b 51 wifi.RcvReply(rcv, 1000);
siddharthp 5:0d98bbc39c7b 52 pc.printf("%s\n", rcv);
siddharthp 5:0d98bbc39c7b 53 wait(2);
siddharthp 0:da7e87322045 54 while (1)
siddharthp 0:da7e87322045 55 {
siddharthp 0:da7e87322045 56 wifi_send();
siddharthp 1:402b14b56d24 57 RED=1;
siddharthp 5:0d98bbc39c7b 58 wait(10);
siddharthp 1:402b14b56d24 59 RED=0;
siddharthp 5:0d98bbc39c7b 60 wait(10);
siddharthp 0:da7e87322045 61 }
siddharthp 0:da7e87322045 62 }
siddharthp 5:0d98bbc39c7b 63 void wifi_send(void)
siddharthp 5:0d98bbc39c7b 64 {
siddharthp 6:fd279a17f523 65 sprintf(snd,"GET http://api.thingspeak.com/update?api_key=54JPIP9GVWVX9BMV&field1=%f&field2=%f&field3=%f&field4=%f&field5=%f&field6=%f\r\n", cur, comp,temp,hum,co,pres); //Post values to thingspeak
siddharthp 0:da7e87322045 66 pc.printf("%s",snd);
siddharthp 0:da7e87322045 67 wifi.SendCMD(snd);
siddharthp 0:da7e87322045 68 wifi.RcvReply(rcv, 1000);
siddharthp 0:da7e87322045 69 pc.printf("%s", rcv);
siddharthp 0:da7e87322045 70 }