Pratit Nayak / Mbed 2 deprecated ESP8266-FRDM-KL25Z-THINGSPEAK

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Dependencies:   ESP8266 mbed

Fork of ESP8266-FRDM-KL25Z-THINGSPEAK by Karkhana Makerspace

main.cpp@3:8a57b17395b2, 2018-05-30 (annotated)

Committer:
pratit911
Date:
Wed May 30 07:24:54 2018 +0000
Revision:
3:8a57b17395b2
Parent:
2:97dbf542ebee 
qwsghjkl;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
eduvanceIoT 0:34d3f68b920e 1 #include "mbed.h"
eduvanceIoT 0:34d3f68b920e 2 #include "ESP8266.h"
mrbhatter 2:97dbf542ebee 3
eduvanceIoT 0:34d3f68b920e 4 Serial pc(USBTX,USBRX);
eduvanceIoT 0:34d3f68b920e 5
mrbhatter 2:97dbf542ebee 6 //POT sensor
SIT2016 1:8ab009672555 7 AnalogIn pot(PTB0);
mrbhatter 2:97dbf542ebee 8 AnalogIn lit(PTB1);
eduvanceIoT 0:34d3f68b920e 9
eduvanceIoT 0:34d3f68b920e 10 //wifi UART port and baud rate
mrbhatter 2:97dbf542ebee 11 ESP8266 wifi(PTE0, PTE1, 115200);
eduvanceIoT 0:34d3f68b920e 12
eduvanceIoT 0:34d3f68b920e 13 //buffers for wifi library
SIT2016 1:8ab009672555 14 char resp[1000];
eduvanceIoT 0:34d3f68b920e 15 char http_cmd[300], comm[300];
eduvanceIoT 0:34d3f68b920e 16
eduvanceIoT 0:34d3f68b920e 17 int timeout = 8000; //timeout for wifi commands
eduvanceIoT 0:34d3f68b920e 18
eduvanceIoT 0:34d3f68b920e 19 //SSID and password for connection
pratit911 3:8a57b17395b2 20 #define SSID "Karkhana"
pratit911 3:8a57b17395b2 21 #define PASS "Karkhana2018"
eduvanceIoT 0:34d3f68b920e 22
eduvanceIoT 0:34d3f68b920e 23 //Remote IP
mrbhatter 2:97dbf542ebee 24 #define IP "184.106.153.149" // 52.202.122.57
SIT2016 1:8ab009672555 25 //global variable
mrbhatter 2:97dbf542ebee 26 float potvalue = 0;
mrbhatter 2:97dbf542ebee 27 float litvalue = 0;
SIT2016 1:8ab009672555 28
SIT2016 1:8ab009672555 29 //Update key for thingspeak
pratit911 3:8a57b17395b2 30 char* Update_Key = "OV89R9NLAIJ9NGJ5";
eduvanceIoT 0:34d3f68b920e 31 //Wifi init function
mrbhatter 2:97dbf542ebee 32 void wifi_initialize(void)
mrbhatter 2:97dbf542ebee 33 {
mrbhatter 2:97dbf542ebee 34
eduvanceIoT 0:34d3f68b920e 35 pc.printf("******** Resetting wifi module ********\r\n");
eduvanceIoT 0:34d3f68b920e 36 wifi.Reset();
mrbhatter 2:97dbf542ebee 37
eduvanceIoT 0:34d3f68b920e 38 //wait for 5 seconds for response, else display no response receiveed
mrbhatter 2:97dbf542ebee 39 if (wifi.RcvReply(resp, 5000))
mrbhatter 2:97dbf542ebee 40 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 41 else
eduvanceIoT 0:34d3f68b920e 42 pc.printf("No response");
mrbhatter 2:97dbf542ebee 43
mrbhatter 2:97dbf542ebee 44
eduvanceIoT 0:34d3f68b920e 45 pc.printf("******** Setting Station mode of wifi with AP ********\r\n");
eduvanceIoT 0:34d3f68b920e 46 wifi.SetMode(1); // set transparent mode
eduvanceIoT 0:34d3f68b920e 47 if (wifi.RcvReply(resp, timeout)) //receive a response from ESP
eduvanceIoT 0:34d3f68b920e 48 pc.printf("%s",resp); //Print the response onscreen
eduvanceIoT 0:34d3f68b920e 49 else
eduvanceIoT 0:34d3f68b920e 50 pc.printf("No response while setting mode. \r\n");
mrbhatter 2:97dbf542ebee 51
mrbhatter 2:97dbf542ebee 52
eduvanceIoT 0:34d3f68b920e 53 pc.printf("******** Joining network with SSID and PASS ********\r\n");
mrbhatter 2:97dbf542ebee 54 wifi.Join(SSID, PASS);
mrbhatter 2:97dbf542ebee 55 if (wifi.RcvReply(resp, timeout))
mrbhatter 2:97dbf542ebee 56 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 57 else
eduvanceIoT 0:34d3f68b920e 58 pc.printf("No response while connecting to network \r\n");
mrbhatter 2:97dbf542ebee 59
mrbhatter 2:97dbf542ebee 60
eduvanceIoT 0:34d3f68b920e 61 pc.printf("******** Getting IP and MAC of module ********\r\n");
mrbhatter 2:97dbf542ebee 62 wifi.GetIP(resp);
mrbhatter 2:97dbf542ebee 63 if (wifi.RcvReply(resp, timeout))
mrbhatter 2:97dbf542ebee 64 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 65 else
eduvanceIoT 0:34d3f68b920e 66 pc.printf("No response while getting IP \r\n");
mrbhatter 2:97dbf542ebee 67
mrbhatter 2:97dbf542ebee 68
eduvanceIoT 0:34d3f68b920e 69 pc.printf("******** Setting WIFI UART passthrough ********\r\n");
mrbhatter 2:97dbf542ebee 70 wifi.setTransparent();
mrbhatter 2:97dbf542ebee 71 if (wifi.RcvReply(resp, timeout))
mrbhatter 2:97dbf542ebee 72 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 73 else
eduvanceIoT 0:34d3f68b920e 74 pc.printf("No response while setting wifi passthrough. \r\n");
mrbhatter 2:97dbf542ebee 75 wait(1);
mrbhatter 2:97dbf542ebee 76
mrbhatter 2:97dbf542ebee 77
eduvanceIoT 0:34d3f68b920e 78 pc.printf("******** Setting single connection mode ********\r\n");
mrbhatter 2:97dbf542ebee 79 wifi.SetSingle();
eduvanceIoT 0:34d3f68b920e 80 wifi.RcvReply(resp, timeout);
mrbhatter 2:97dbf542ebee 81 if (wifi.RcvReply(resp, timeout))
mrbhatter 2:97dbf542ebee 82 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 83 else
eduvanceIoT 0:34d3f68b920e 84 pc.printf("No response while setting single connection \r\n");
eduvanceIoT 0:34d3f68b920e 85 wait(1);
eduvanceIoT 0:34d3f68b920e 86 }
eduvanceIoT 0:34d3f68b920e 87
mrbhatter 2:97dbf542ebee 88
mrbhatter 2:97dbf542ebee 89 void wifi_send(void)
mrbhatter 2:97dbf542ebee 90 {
eduvanceIoT 0:34d3f68b920e 91 pc.printf("******** Starting TCP connection on IP and port ********\r\n");
eduvanceIoT 0:34d3f68b920e 92 wifi.startTCPConn(IP,80); //cipstart
eduvanceIoT 0:34d3f68b920e 93 wifi.RcvReply(resp, timeout);
mrbhatter 2:97dbf542ebee 94 if (wifi.RcvReply(resp, timeout))
mrbhatter 2:97dbf542ebee 95 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 96 else
eduvanceIoT 0:34d3f68b920e 97 pc.printf("No response while starting TCP connection \r\n");
eduvanceIoT 0:34d3f68b920e 98 wait(1);
mrbhatter 2:97dbf542ebee 99
mrbhatter 2:97dbf542ebee 100 //create link
pratit911 3:8a57b17395b2 101 sprintf(http_cmd,"/update?api_key=%s&field1=%f&field2=%f",Update_Key,potvalue,litvalue);
mrbhatter 2:97dbf542ebee 102
eduvanceIoT 0:34d3f68b920e 103 pc.printf(http_cmd);
mrbhatter 2:97dbf542ebee 104
eduvanceIoT 0:34d3f68b920e 105 pc.printf("******** Sending URL to wifi ********\r\n");
eduvanceIoT 0:34d3f68b920e 106 wifi.sendURL(http_cmd, comm); //cipsend and get command
mrbhatter 2:97dbf542ebee 107 if (wifi.RcvReply(resp, timeout))
mrbhatter 2:97dbf542ebee 108 pc.printf("%s",resp);
SIT2016 1:8ab009672555 109 else
SIT2016 1:8ab009672555 110 pc.printf("No response while sending URL \r\n");
eduvanceIoT 0:34d3f68b920e 111 }
eduvanceIoT 0:34d3f68b920e 112
mrbhatter 2:97dbf542ebee 113 int main ()
mrbhatter 2:97dbf542ebee 114 {
eduvanceIoT 0:34d3f68b920e 115 wifi_initialize();
eduvanceIoT 0:34d3f68b920e 116 while (1) {
SIT2016 1:8ab009672555 117 potvalue = 255*pot.read();
mrbhatter 2:97dbf542ebee 118 litvalue = lit.read();
SIT2016 1:8ab009672555 119 pc.printf("Current potvalue is = %.3f \r\n", potvalue);
mrbhatter 2:97dbf542ebee 120 pc.printf("Current light value is = %.3f \r\n", litvalue);
eduvanceIoT 0:34d3f68b920e 121 wifi_send();
pratit911 3:8a57b17395b2 122 wait(1);
eduvanceIoT 0:34d3f68b920e 123 }
eduvanceIoT 0:34d3f68b920e 124 }