Dewant Katare
/
ESP8266_test
ESP8266, FRDM K64F, Thingspeak
main.cpp@2:817794b2f733, 2016-06-26 (annotated)
- Committer:
- SIT2016
- Date:
- Sun Jun 26 10:19:24 2016 +0000
- Revision:
- 2:817794b2f733
- Parent:
- 1:2012c31aee1b
- Child:
- 3:164296bb4985
Modified initialize and send functions. Printing http command on screen
Who changed what in which revision?
User | Revision | Line number | New 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 | 1:2012c31aee1b | 5 | |
SIT2016 | 1:2012c31aee1b | 6 | //POT sensor |
SIT2016 | 1:2012c31aee1b | 7 | AnalogIn pot(PTB0); |
SIT2016 | 1:2012c31aee1b | 8 | |
SIT2016 | 1:2012c31aee1b | 9 | //wifi UART port and baud rate |
SIT2016 | 1:2012c31aee1b | 10 | ESP8266 wifi(PTE0, PTE1, 115200); |
SIT2016 | 1:2012c31aee1b | 11 | |
SIT2016 | 1:2012c31aee1b | 12 | //buffers for wifi library |
SIT2016 | 1:2012c31aee1b | 13 | char snd[255],resp[1000]; |
SIT2016 | 1:2012c31aee1b | 14 | char http_cmd[300], comm[300]; |
SIT2016 | 1:2012c31aee1b | 15 | |
SIT2016 | 1:2012c31aee1b | 16 | int timeout = 3000; //timeout for wifi commands |
SIT2016 | 1:2012c31aee1b | 17 | |
SIT2016 | 1:2012c31aee1b | 18 | //SSID and password for connection |
SIT2016 | 1:2012c31aee1b | 19 | #define SSID "Eduvance_WiFi" |
SIT2016 | 1:2012c31aee1b | 20 | #define PASS "eduvance" |
SIT2016 | 1:2012c31aee1b | 21 | |
SIT2016 | 1:2012c31aee1b | 22 | //Remote IP |
SIT2016 | 2:817794b2f733 | 23 | #define IP "192.168.0.2" |
SIT2016 | 1:2012c31aee1b | 24 | |
SIT2016 | 1:2012c31aee1b | 25 | //ldrvalue global variable |
SIT2016 | 1:2012c31aee1b | 26 | float ldrval = 0; |
SIT2016 | 1:2012c31aee1b | 27 | |
SIT2016 | 1:2012c31aee1b | 28 | //Public and private keys for phant |
SIT2016 | 2:817794b2f733 | 29 | char* Public_Key = "eaWkxgdlQZszLEDKpy6OFeDeO8x"; |
SIT2016 | 2:817794b2f733 | 30 | char* Private_Key = "25xqpAeBmzSml4Yjpr05Hj3jOBq"; |
SIT2016 | 0:8ca71ccb52db | 31 | |
SIT2016 | 1:2012c31aee1b | 32 | //Wifi init function |
SIT2016 | 1:2012c31aee1b | 33 | void wifi_initialize(void){ |
SIT2016 | 1:2012c31aee1b | 34 | |
SIT2016 | 1:2012c31aee1b | 35 | pc.printf("******** Resetting wifi module ********\r\n"); |
SIT2016 | 1:2012c31aee1b | 36 | wifi.Reset(); |
SIT2016 | 1:2012c31aee1b | 37 | |
SIT2016 | 1:2012c31aee1b | 38 | //wait for 5 seconds for response, else display no response receiveed |
SIT2016 | 1:2012c31aee1b | 39 | if (wifi.RcvReply(resp, 5000)) |
SIT2016 | 1:2012c31aee1b | 40 | pc.printf("%s",resp); |
SIT2016 | 1:2012c31aee1b | 41 | else |
SIT2016 | 1:2012c31aee1b | 42 | pc.printf("No response"); |
SIT2016 | 1:2012c31aee1b | 43 | |
SIT2016 | 1:2012c31aee1b | 44 | pc.printf("******** Setting Station mode of wifi with AP ********\r\n"); |
SIT2016 | 1:2012c31aee1b | 45 | wifi.SetMode(1); // set transparent mode |
SIT2016 | 1:2012c31aee1b | 46 | if (wifi.RcvReply(resp, timeout)) //receive a response from ESP |
SIT2016 | 1:2012c31aee1b | 47 | pc.printf("%s",resp); //Print the response onscreen |
SIT2016 | 1:2012c31aee1b | 48 | else |
SIT2016 | 1:2012c31aee1b | 49 | pc.printf("No response while setting mode. \r\n"); |
SIT2016 | 1:2012c31aee1b | 50 | |
SIT2016 | 1:2012c31aee1b | 51 | pc.printf("******** Joining network with SSID and PASS ********\r\n"); |
SIT2016 | 1:2012c31aee1b | 52 | wifi.Join(SSID, PASS); |
SIT2016 | 1:2012c31aee1b | 53 | if (wifi.RcvReply(resp, timeout)) |
SIT2016 | 1:2012c31aee1b | 54 | pc.printf("%s",resp); |
SIT2016 | 1:2012c31aee1b | 55 | else |
SIT2016 | 1:2012c31aee1b | 56 | pc.printf("No response while connecting to network \r\n"); |
SIT2016 | 1:2012c31aee1b | 57 | |
SIT2016 | 1:2012c31aee1b | 58 | pc.printf("******** Getting IP and MAC of module ********\r\n"); |
SIT2016 | 1:2012c31aee1b | 59 | wifi.GetIP(resp); |
SIT2016 | 1:2012c31aee1b | 60 | if (wifi.RcvReply(resp, timeout)) |
SIT2016 | 1:2012c31aee1b | 61 | pc.printf("%s",resp); |
SIT2016 | 1:2012c31aee1b | 62 | else |
SIT2016 | 1:2012c31aee1b | 63 | pc.printf("No response while getting IP \r\n"); |
SIT2016 | 1:2012c31aee1b | 64 | |
SIT2016 | 1:2012c31aee1b | 65 | pc.printf("******** Setting WIFI UART passthrough ********\r\n"); |
SIT2016 | 1:2012c31aee1b | 66 | wifi.setTransparent(); |
SIT2016 | 1:2012c31aee1b | 67 | if (wifi.RcvReply(resp, timeout)) |
SIT2016 | 1:2012c31aee1b | 68 | pc.printf("%s",resp); |
SIT2016 | 1:2012c31aee1b | 69 | else |
SIT2016 | 1:2012c31aee1b | 70 | pc.printf("No response while setting wifi passthrough. \r\n"); |
SIT2016 | 2:817794b2f733 | 71 | wait(1); |
SIT2016 | 1:2012c31aee1b | 72 | |
SIT2016 | 1:2012c31aee1b | 73 | pc.printf("******** Setting single connection mode ********\r\n"); |
SIT2016 | 1:2012c31aee1b | 74 | wifi.SetSingle(); |
SIT2016 | 1:2012c31aee1b | 75 | wifi.RcvReply(resp, timeout); |
SIT2016 | 1:2012c31aee1b | 76 | if (wifi.RcvReply(resp, timeout)) |
SIT2016 | 1:2012c31aee1b | 77 | pc.printf("%s",resp); |
SIT2016 | 1:2012c31aee1b | 78 | else |
SIT2016 | 1:2012c31aee1b | 79 | pc.printf("No response while setting single connection \r\n"); |
SIT2016 | 1:2012c31aee1b | 80 | wait(1); |
SIT2016 | 2:817794b2f733 | 81 | } |
SIT2016 | 2:817794b2f733 | 82 | |
SIT2016 | 2:817794b2f733 | 83 | void wifi_send(void){ |
SIT2016 | 1:2012c31aee1b | 84 | |
SIT2016 | 1:2012c31aee1b | 85 | pc.printf("******** Starting TCP connection on IP and port ********\r\n"); |
SIT2016 | 1:2012c31aee1b | 86 | wifi.startTCPConn(IP, 8080); //cipstart |
SIT2016 | 1:2012c31aee1b | 87 | wifi.RcvReply(resp, timeout); |
SIT2016 | 1:2012c31aee1b | 88 | if (wifi.RcvReply(resp, timeout)) |
SIT2016 | 1:2012c31aee1b | 89 | pc.printf("%s",resp); |
SIT2016 | 1:2012c31aee1b | 90 | else |
SIT2016 | 1:2012c31aee1b | 91 | pc.printf("No response while starting TCP connection \r\n"); |
SIT2016 | 1:2012c31aee1b | 92 | wait(1); |
SIT2016 | 1:2012c31aee1b | 93 | |
SIT2016 | 1:2012c31aee1b | 94 | //create link |
SIT2016 | 1:2012c31aee1b | 95 | sprintf(http_cmd,"/input/%s?private_key=%s&val=%0.2f",Public_Key,Private_Key,ldrval); |
SIT2016 | 2:817794b2f733 | 96 | pc.printf(http_cmd); |
SIT2016 | 1:2012c31aee1b | 97 | |
SIT2016 | 1:2012c31aee1b | 98 | pc.printf("******** Sending URL to wifi ********\r\n"); |
SIT2016 | 1:2012c31aee1b | 99 | wifi.sendURL(http_cmd, comm); //cipsend and get command |
SIT2016 | 1:2012c31aee1b | 100 | if (wifi.RcvReply(resp, timeout)) |
SIT2016 | 1:2012c31aee1b | 101 | pc.printf("%s",resp); |
SIT2016 | 1:2012c31aee1b | 102 | else |
SIT2016 | 1:2012c31aee1b | 103 | pc.printf("No response while sending URL \r\n"); |
SIT2016 | 1:2012c31aee1b | 104 | |
SIT2016 | 1:2012c31aee1b | 105 | //wifi.SendCMD("AT+CIPCLOSE"); //Close the connection to server |
SIT2016 | 1:2012c31aee1b | 106 | //wifi.RcvReply(resp, timeout); |
SIT2016 | 1:2012c31aee1b | 107 | //pc.printf("%s", resp); |
SIT2016 | 1:2012c31aee1b | 108 | } |
SIT2016 | 1:2012c31aee1b | 109 | |
SIT2016 | 0:8ca71ccb52db | 110 | int main () { |
SIT2016 | 0:8ca71ccb52db | 111 | |
SIT2016 | 1:2012c31aee1b | 112 | |
SIT2016 | 1:2012c31aee1b | 113 | wifi_initialize(); |
SIT2016 | 1:2012c31aee1b | 114 | |
SIT2016 | 0:8ca71ccb52db | 115 | while (1) { |
SIT2016 | 1:2012c31aee1b | 116 | ldrval = pot.read(); |
SIT2016 | 1:2012c31aee1b | 117 | pc.printf("Potentiometer ldrvalue=%.3f \r\n", ldrval); |
SIT2016 | 1:2012c31aee1b | 118 | |
SIT2016 | 1:2012c31aee1b | 119 | wifi_send(); |
SIT2016 | 1:2012c31aee1b | 120 | wait(3); |
SIT2016 | 0:8ca71ccb52db | 121 | } |
SIT2016 | 0:8ca71ccb52db | 122 | } |
SIT2016 | 0:8ca71ccb52db | 123 | |
SIT2016 | 0:8ca71ccb52db | 124 |