Pratit Nayak / Mbed 2 deprecated multipleLEDIOT

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Dependencies:   ESP8266 mbed

Fork of thingspeak_LEDCONTROL by Karkhana Makerspace

main.cpp@4:00c227a97ba9, 2018-05-30 (annotated)

Committer:
pratit911
Date:
Wed May 30 07:19:36 2018 +0000
Revision:
4:00c227a97ba9
Parent:
3:1722a03793c6 
sdftyuio

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 3:1722a03793c6 3
eduvanceIoT 0:34d3f68b920e 4 Serial pc(USBTX,USBRX);
mrbhatter 3:1722a03793c6 5 DigitalOut rled(LED1);
pratit911 4:00c227a97ba9 6 DigitalOut bled(LED2);
pratit911 4:00c227a97ba9 7 DigitalOut gled(LED3);
eduvanceIoT 0:34d3f68b920e 8
pratit911 4:00c227a97ba9 9
eduvanceIoT 0:34d3f68b920e 10 //wifi UART port and baud rate
mrbhatter 3:1722a03793c6 11 ESP8266 wifi(PTE0, PTE1, 115200); // Class Variable Pin dexlaration for WIFI
eduvanceIoT 0:34d3f68b920e 12
eduvanceIoT 0:34d3f68b920e 13 //buffers for wifi library
mrbhatter 3:1722a03793c6 14 char snd[255],resp[9000];
eduvanceIoT 0:34d3f68b920e 15 char http_cmd[300], comm[300];
mrbhatter 3:1722a03793c6 16 char url_response[9000];
eduvanceIoT 0:34d3f68b920e 17
mrbhatter 3:1722a03793c6 18 int timeout = 5000; //timeout for wifi commands
eduvanceIoT 0:34d3f68b920e 19
mrbhatter 3:1722a03793c6 20 //SSID and password for connection
mrbhatter 3:1722a03793c6 21 #define SSID "Karkhana"
mrbhatter 3:1722a03793c6 22 #define PASS "Karkhana2018"
mrbhatter 3:1722a03793c6 23 void control_led(void);
eduvanceIoT 0:34d3f68b920e 24 //Remote IP
mrbhatter 3:1722a03793c6 25 #define IP "184.106.153.149" // IP for thingspeak server. Remains same for al codes using thingspeak
mrbhatter 3:1722a03793c6 26 //#define IP "192.168.0.25"
mrbhatter 3:1722a03793c6 27 //waterlevelue global variable
mrbhatter 3:1722a03793c6 28 int ledstatus=0;
SIT2016 1:8ab009672555 29
mrbhatter 3:1722a03793c6 30 //Public and private keys for phant
pratit911 4:00c227a97ba9 31 char* Update_Key = "OPETON9L7UP3FCOP"; // Copy the read key for your channel and paste it here.
mrbhatter 3:1722a03793c6 32 //char* Private_Key = "GPoWnRM60yidrB0e1pXD";
mrbhatter 3:1722a03793c6 33
mrbhatter 3:1722a03793c6 34 //Wifi init function. Sets the module to connect to wifi accesspoint with ssid and password mentioned above
mrbhatter 3:1722a03793c6 35 void wifi_initialize(void){
mrbhatter 3:1722a03793c6 36
pratit911 4:00c227a97ba9 37 rled=1;
pratit911 4:00c227a97ba9 38 bled=1;
pratit911 4:00c227a97ba9 39 gled=1;
pratit911 4:00c227a97ba9 40
eduvanceIoT 0:34d3f68b920e 41 pc.printf("******** Resetting wifi module ********\r\n");
eduvanceIoT 0:34d3f68b920e 42 wifi.Reset();
mrbhatter 3:1722a03793c6 43
eduvanceIoT 0:34d3f68b920e 44 //wait for 5 seconds for response, else display no response receiveed
mrbhatter 3:1722a03793c6 45 if (wifi.RcvReply(resp, 5000))
mrbhatter 3:1722a03793c6 46 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 47 else
eduvanceIoT 0:34d3f68b920e 48 pc.printf("No response");
mrbhatter 3:1722a03793c6 49
eduvanceIoT 0:34d3f68b920e 50 pc.printf("******** Setting Station mode of wifi with AP ********\r\n");
eduvanceIoT 0:34d3f68b920e 51 wifi.SetMode(1); // set transparent mode
eduvanceIoT 0:34d3f68b920e 52 if (wifi.RcvReply(resp, timeout)) //receive a response from ESP
eduvanceIoT 0:34d3f68b920e 53 pc.printf("%s",resp); //Print the response onscreen
eduvanceIoT 0:34d3f68b920e 54 else
eduvanceIoT 0:34d3f68b920e 55 pc.printf("No response while setting mode. \r\n");
mrbhatter 3:1722a03793c6 56
eduvanceIoT 0:34d3f68b920e 57 pc.printf("******** Joining network with SSID and PASS ********\r\n");
mrbhatter 3:1722a03793c6 58 wifi.Join(SSID, PASS);
mrbhatter 3:1722a03793c6 59 if (wifi.RcvReply(resp, timeout))
mrbhatter 3:1722a03793c6 60 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 61 else
eduvanceIoT 0:34d3f68b920e 62 pc.printf("No response while connecting to network \r\n");
mrbhatter 3:1722a03793c6 63
eduvanceIoT 0:34d3f68b920e 64 pc.printf("******** Getting IP and MAC of module ********\r\n");
mrbhatter 3:1722a03793c6 65 wifi.GetIP(resp);
mrbhatter 3:1722a03793c6 66 if (wifi.RcvReply(resp, timeout))
mrbhatter 3:1722a03793c6 67 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 68 else
eduvanceIoT 0:34d3f68b920e 69 pc.printf("No response while getting IP \r\n");
mrbhatter 3:1722a03793c6 70
eduvanceIoT 0:34d3f68b920e 71 pc.printf("******** Setting WIFI UART passthrough ********\r\n");
mrbhatter 3:1722a03793c6 72 wifi.setTransparent();
mrbhatter 3:1722a03793c6 73 if (wifi.RcvReply(resp, timeout))
mrbhatter 3:1722a03793c6 74 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 75 else
eduvanceIoT 0:34d3f68b920e 76 pc.printf("No response while setting wifi passthrough. \r\n");
mrbhatter 3:1722a03793c6 77 wait(1);
mrbhatter 3:1722a03793c6 78
eduvanceIoT 0:34d3f68b920e 79 pc.printf("******** Setting single connection mode ********\r\n");
mrbhatter 3:1722a03793c6 80 wifi.SetSingle();
eduvanceIoT 0:34d3f68b920e 81 wifi.RcvReply(resp, timeout);
mrbhatter 3:1722a03793c6 82 if (wifi.RcvReply(resp, timeout))
mrbhatter 3:1722a03793c6 83 pc.printf("%s",resp);
eduvanceIoT 0:34d3f68b920e 84 else
eduvanceIoT 0:34d3f68b920e 85 pc.printf("No response while setting single connection \r\n");
eduvanceIoT 0:34d3f68b920e 86 wait(1);
eduvanceIoT 0:34d3f68b920e 87 }
eduvanceIoT 0:34d3f68b920e 88
mrbhatter 3:1722a03793c6 89 void wifi_send(void){
mrbhatter 3:1722a03793c6 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 3:1722a03793c6 94 if (wifi.RcvReply(resp, timeout))
mrbhatter 3:1722a03793c6 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 3:1722a03793c6 99
pratit911 4:00c227a97ba9 100 //create link
pratit911 4:00c227a97ba9 101 sprintf(http_cmd,"/channels/500979/fields/1.json?api_key=%s&results=2",Update_Key); // Forms the url for transmitting to thingspeak server. the format can be seen on thingspeak site as well
eduvanceIoT 0:34d3f68b920e 102 pc.printf(http_cmd);
mrbhatter 3:1722a03793c6 103
eduvanceIoT 0:34d3f68b920e 104 pc.printf("******** Sending URL to wifi ********\r\n");
eduvanceIoT 0:34d3f68b920e 105 wifi.sendURL(http_cmd, comm); //cipsend and get command
mrbhatter 3:1722a03793c6 106 if (wifi.RcvReply(resp, timeout)){
mrbhatter 3:1722a03793c6 107 pc.printf("--------------------------Request Response -------------------------------------------\r\n");
mrbhatter 2:97dbf542ebee 108 pc.printf("%s",resp);
mrbhatter 3:1722a03793c6 109 pc.printf("--------------------------Request Response -------------------------------------------\r\n");
mrbhatter 3:1722a03793c6 110 control_led();
mrbhatter 3:1722a03793c6 111 }
SIT2016 1:8ab009672555 112 else
SIT2016 1:8ab009672555 113 pc.printf("No response while sending URL \r\n");
mrbhatter 3:1722a03793c6 114
mrbhatter 3:1722a03793c6 115 //wifi.SendCMD("AT+CIPCLOSE"); //Close the connection to server
mrbhatter 3:1722a03793c6 116 //wifi.RcvReply(resp, timeout);
mrbhatter 3:1722a03793c6 117 //pc.printf("%s", resp);
eduvanceIoT 0:34d3f68b920e 118 }
pratit911 4:00c227a97ba9 119
eduvanceIoT 0:34d3f68b920e 120
mrbhatter 3:1722a03793c6 121 void control_led(void)
mrbhatter 2:97dbf542ebee 122 {
mrbhatter 3:1722a03793c6 123 int length=strlen(resp);
pratit911 4:00c227a97ba9 124
mrbhatter 3:1722a03793c6 125 pc.printf("Length of response: %d\r\n",strlen(resp));
mrbhatter 3:1722a03793c6 126 ledstatus=int(resp[length-13]);
mrbhatter 3:1722a03793c6 127 pc.printf("LED Status is %c\r\n",resp[length-13]);
mrbhatter 3:1722a03793c6 128 pc.printf("LED status is %d\r\n",ledstatus);
mrbhatter 3:1722a03793c6 129 if(resp[length-13]==49){
pratit911 4:00c227a97ba9 130 pc.printf("RED LED ON");
mrbhatter 3:1722a03793c6 131 rled=0;
pratit911 4:00c227a97ba9 132 bled=1;
pratit911 4:00c227a97ba9 133 gled=1;
pratit911 4:00c227a97ba9 134 }
pratit911 4:00c227a97ba9 135 else if(resp[length-13]==50)
pratit911 4:00c227a97ba9 136
pratit911 4:00c227a97ba9 137 { pc.printf("GREEN LED ON");
pratit911 4:00c227a97ba9 138 rled=1;
pratit911 4:00c227a97ba9 139 bled=0;
pratit911 4:00c227a97ba9 140 gled=1;
pratit911 4:00c227a97ba9 141
mrbhatter 3:1722a03793c6 142 }
pratit911 4:00c227a97ba9 143 else if(resp[length-13]==51)
pratit911 4:00c227a97ba9 144
pratit911 4:00c227a97ba9 145 {
pratit911 4:00c227a97ba9 146 pc.printf("BLUE LED ON");
mrbhatter 3:1722a03793c6 147 rled=1;
pratit911 4:00c227a97ba9 148 bled=1;
pratit911 4:00c227a97ba9 149 gled=0;
pratit911 4:00c227a97ba9 150
pratit911 4:00c227a97ba9 151 }
pratit911 4:00c227a97ba9 152 else {
pratit911 4:00c227a97ba9 153 pc.printf("waiting");
pratit911 4:00c227a97ba9 154 rled=1;
pratit911 4:00c227a97ba9 155 bled=1;
pratit911 4:00c227a97ba9 156 gled=1;
pratit911 4:00c227a97ba9 157 }
mrbhatter 3:1722a03793c6 158 }
pratit911 4:00c227a97ba9 159
mrbhatter 3:1722a03793c6 160
mrbhatter 3:1722a03793c6 161 int main () {
mrbhatter 3:1722a03793c6 162
mrbhatter 3:1722a03793c6 163
mrbhatter 3:1722a03793c6 164 wifi_initialize(); // Calls function defined above to initialize the wifi module
mrbhatter 3:1722a03793c6 165
mrbhatter 3:1722a03793c6 166 while (1) {
mrbhatter 3:1722a03793c6 167 wifi_send(); // Calls function defined above to send data to thingspeak
mrbhatter 3:1722a03793c6 168 //wait(5);
eduvanceIoT 0:34d3f68b920e 169 }
eduvanceIoT 0:34d3f68b920e 170 }