kefil Tonouewa / Mbed OS ECE533_FINAL_PROJECT

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Dependencies:   ESP8266

main.cpp@0:e1c22ca27f03, 2021-11-12 (annotated)

Committer:
kefil_tonouewa
Date:
Fri Nov 12 04:07:52 2021 +0000
Revision:
0:e1c22ca27f03
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
kefil_tonouewa 0:e1c22ca27f03 1 /* mbed Microcontroller Library
kefil_tonouewa 0:e1c22ca27f03 2 * Copyright (c) 2019 ARM Limited
kefil_tonouewa 0:e1c22ca27f03 3 * SPDX-License-Identifier: Apache-2.0
kefil_tonouewa 0:e1c22ca27f03 4 */
kefil_tonouewa 0:e1c22ca27f03 5
kefil_tonouewa 0:e1c22ca27f03 6 #include "mbed.h"
kefil_tonouewa 0:e1c22ca27f03 7 #include "platform/mbed_thread.h"
kefil_tonouewa 0:e1c22ca27f03 8 #include "ESP8266.h"
kefil_tonouewa 0:e1c22ca27f03 9 #include "math.h"
kefil_tonouewa 0:e1c22ca27f03 10
kefil_tonouewa 0:e1c22ca27f03 11 Serial pc(USBTX,USBRX);
kefil_tonouewa 0:e1c22ca27f03 12 DigitalOut rled(LED1);
kefil_tonouewa 0:e1c22ca27f03 13
kefil_tonouewa 0:e1c22ca27f03 14 //wifi UART port and baud rate
kefil_tonouewa 0:e1c22ca27f03 15 ESP8266 wifi(PTC17, PTC16, 115200); // Class Variable Pin dexlaration for WIFI
kefil_tonouewa 0:e1c22ca27f03 16
kefil_tonouewa 0:e1c22ca27f03 17 //buffers for wifi library
kefil_tonouewa 0:e1c22ca27f03 18 char snd[255],resp[9000];
kefil_tonouewa 0:e1c22ca27f03 19 char http_cmd[300], comm[300];
kefil_tonouewa 0:e1c22ca27f03 20 char url_response[9000];
kefil_tonouewa 0:e1c22ca27f03 21
kefil_tonouewa 0:e1c22ca27f03 22 int timeout = 5000; //timeout for wifi commands
kefil_tonouewa 0:e1c22ca27f03 23
kefil_tonouewa 0:e1c22ca27f03 24 //SSID and password for connection
kefil_tonouewa 0:e1c22ca27f03 25 #define SSID "Mahutin-2.4"
kefil_tonouewa 0:e1c22ca27f03 26 #define PASS "12220517"
kefil_tonouewa 0:e1c22ca27f03 27
kefil_tonouewa 0:e1c22ca27f03 28 //Remote IP
kefil_tonouewa 0:e1c22ca27f03 29 #define IP "184.106.153.149" // IP for thingspeak server. Remains same for al codes using thingspeak
kefil_tonouewa 0:e1c22ca27f03 30 //Public and private keys for phant
kefil_tonouewa 0:e1c22ca27f03 31 char* Update_Key = "JL9J9L60TE2VXV4K";
kefil_tonouewa 0:e1c22ca27f03 32 char* Read_Key = "GTLNT8B1ERTG0SUQ";
kefil_tonouewa 0:e1c22ca27f03 33
kefil_tonouewa 0:e1c22ca27f03 34 //Wifi init function. Sets the module to connect to wifi accesspoint with ssid and password mentioned above
kefil_tonouewa 0:e1c22ca27f03 35 void wifi_initialize(void){
kefil_tonouewa 0:e1c22ca27f03 36
kefil_tonouewa 0:e1c22ca27f03 37 pc.printf("******** Resetting wifi module ********\r\n");
kefil_tonouewa 0:e1c22ca27f03 38 wifi.reset();
kefil_tonouewa 0:e1c22ca27f03 39
kefil_tonouewa 0:e1c22ca27f03 40 //wait for 5 seconds for response, else display no response receiveed
kefil_tonouewa 0:e1c22ca27f03 41 if (wifi.rcvReply(resp, 5000))
kefil_tonouewa 0:e1c22ca27f03 42 pc.printf("%s",resp);
kefil_tonouewa 0:e1c22ca27f03 43 else
kefil_tonouewa 0:e1c22ca27f03 44 pc.printf("No response");
kefil_tonouewa 0:e1c22ca27f03 45
kefil_tonouewa 0:e1c22ca27f03 46 pc.printf("******** Setting Station mode of wifi with AP ********\r\n");
kefil_tonouewa 0:e1c22ca27f03 47 wifi.SetMode(1); // set transparent mode
kefil_tonouewa 0:e1c22ca27f03 48 if (wifi.RcvReply(resp, timeout)) //receive a response from ESP
kefil_tonouewa 0:e1c22ca27f03 49 pc.printf("%s",resp); //Print the response onscreen
kefil_tonouewa 0:e1c22ca27f03 50 else
kefil_tonouewa 0:e1c22ca27f03 51 pc.printf("No response while setting mode. \r\n");
kefil_tonouewa 0:e1c22ca27f03 52
kefil_tonouewa 0:e1c22ca27f03 53 pc.printf("******** Joining network with SSID and PASS ********\r\n");
kefil_tonouewa 0:e1c22ca27f03 54 wifi.Join(SSID, PASS);
kefil_tonouewa 0:e1c22ca27f03 55 if (wifi.RcvReply(resp, timeout))
kefil_tonouewa 0:e1c22ca27f03 56 pc.printf("%s",resp);
kefil_tonouewa 0:e1c22ca27f03 57 else
kefil_tonouewa 0:e1c22ca27f03 58 pc.printf("No response while connecting to network \r\n");
kefil_tonouewa 0:e1c22ca27f03 59
kefil_tonouewa 0:e1c22ca27f03 60 pc.printf("******** Getting IP and MAC of module ********\r\n");
kefil_tonouewa 0:e1c22ca27f03 61 wifi.GetIP(resp);
kefil_tonouewa 0:e1c22ca27f03 62 if (wifi.RcvReply(resp, timeout))
kefil_tonouewa 0:e1c22ca27f03 63 pc.printf("%s",resp);
kefil_tonouewa 0:e1c22ca27f03 64 else
kefil_tonouewa 0:e1c22ca27f03 65 pc.printf("No response while getting IP \r\n");
kefil_tonouewa 0:e1c22ca27f03 66
kefil_tonouewa 0:e1c22ca27f03 67 pc.printf("******** Setting WIFI UART passthrough ********\r\n");
kefil_tonouewa 0:e1c22ca27f03 68 wifi.setTransparent();
kefil_tonouewa 0:e1c22ca27f03 69 if (wifi.RcvReply(resp, timeout))
kefil_tonouewa 0:e1c22ca27f03 70 pc.printf("%s",resp);
kefil_tonouewa 0:e1c22ca27f03 71 else
kefil_tonouewa 0:e1c22ca27f03 72 pc.printf("No response while setting wifi passthrough. \r\n");
kefil_tonouewa 0:e1c22ca27f03 73 wait(1);
kefil_tonouewa 0:e1c22ca27f03 74
kefil_tonouewa 0:e1c22ca27f03 75 pc.printf("******** Setting single connection mode ********\r\n");
kefil_tonouewa 0:e1c22ca27f03 76 wifi.SetSingle();
kefil_tonouewa 0:e1c22ca27f03 77 wifi.RcvReply(resp, timeout);
kefil_tonouewa 0:e1c22ca27f03 78 if (wifi.RcvReply(resp, timeout))
kefil_tonouewa 0:e1c22ca27f03 79 pc.printf("%s",resp);
kefil_tonouewa 0:e1c22ca27f03 80 else
kefil_tonouewa 0:e1c22ca27f03 81 pc.printf("No response while setting single connection \r\n");
kefil_tonouewa 0:e1c22ca27f03 82 wait(1);
kefil_tonouewa 0:e1c22ca27f03 83 }
kefil_tonouewa 0:e1c22ca27f03 84
kefil_tonouewa 0:e1c22ca27f03 85
kefil_tonouewa 0:e1c22ca27f03 86
kefil_tonouewa 0:e1c22ca27f03 87
kefil_tonouewa 0:e1c22ca27f03 88 int main()
kefil_tonouewa 0:e1c22ca27f03 89 {
kefil_tonouewa 0:e1c22ca27f03 90
kefil_tonouewa 0:e1c22ca27f03 91 wifi_initialize(); // Calls function defined above to initialize the wifi module
kefil_tonouewa 0:e1c22ca27f03 92 while (true) {
kefil_tonouewa 0:e1c22ca27f03 93
kefil_tonouewa 0:e1c22ca27f03 94
kefil_tonouewa 0:e1c22ca27f03 95 }
kefil_tonouewa 0:e1c22ca27f03 96 }