Priyank Kalgaonkar / Mbed 2 deprecated ECISsystem2021_lab2TA

Original Code Repo: https://os.mbed.com/users/priyank12p/code/Electronically-Connected-Intelligent-She/ Modified for Fall 2021 students.

Dependencies:   mbed mbed-http ESP8266

main.cpp@10:e4b6bc6d9b07, 2020-08-19 (annotated)

Committer:
jamiedillion2019
Date:
Wed Aug 19 18:51:26 2020 +0000
Revision:
10:e4b6bc6d9b07
Parent:
9:607ee6e92552
Child:
11:756321f0b0cd
Updated Original Code Repo from another account;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jamiedillion2019 10:e4b6bc6d9b07 1 /**
jamiedillion2019 10:e4b6bc6d9b07 2 Electronically Controlled Intelligent Shelves
jamiedillion2019 10:e4b6bc6d9b07 3 Developed by: Priyank Kalgaonkar
jakobjohn949 9:607ee6e92552 4 **/
jamiedillion2019 10:e4b6bc6d9b07 5
andcor02 8:25138f7b9309 6 #include "mbed.h"
andcor02 8:25138f7b9309 7 #include "hcsr04.h"
jamiedillion2019 10:e4b6bc6d9b07 8 #include "ESP8266.h"
jamiedillion2019 10:e4b6bc6d9b07 9 #include "math.h"
jamiedillion2019 10:e4b6bc6d9b07 10 #define CloudIP "184.106.153.149" //Raw IP Address of ThingSpeak Cloud Server
andcor02 8:25138f7b9309 11
jamiedillion2019 10:e4b6bc6d9b07 12 DigitalOut RLed(LED1); //Onboard Red LED = Shelf Out of Stock
jamiedillion2019 10:e4b6bc6d9b07 13 DigitalOut GLed(LED2); //Onboard Green LED = All OK
jamiedillion2019 10:e4b6bc6d9b07 14 DigitalOut BLed(LED3); //Onboard Blue LED for Wifi Tx Indication
jamiedillion2019 10:e4b6bc6d9b07 15 HCSR04 usensor1(D8,D9); //ECHO Pin=D9, TRIG Pin=D8
jamiedillion2019 10:e4b6bc6d9b07 16 HCSR04 usensor2(D7,D6); //ECHO Pin=D7, TRIG Pin=D6
jamiedillion2019 10:e4b6bc6d9b07 17 Serial pc(USBTX,USBRX); //Serial Communication with PC
jamiedillion2019 10:e4b6bc6d9b07 18 ESP8266 wifi(PTC17, PTC16, 115200); //Tx Pin:PTC17; Rx Pin:PTC17; Baud rate:115200
jamiedillion2019 10:e4b6bc6d9b07 19
jamiedillion2019 10:e4b6bc6d9b07 20 void wifi_send(void);; //Connect and Push Data Channel to Cloud Server
jamiedillion2019 10:e4b6bc6d9b07 21
jamiedillion2019 10:e4b6bc6d9b07 22 int num = 0;
jamiedillion2019 10:e4b6bc6d9b07 23 int distance1, distance2;
jamiedillion2019 10:e4b6bc6d9b07 24 float dist_remaining1, dist_percent1, dist_remaining2, dist_percent2;
jamiedillion2019 10:e4b6bc6d9b07 25 char snd[255],rcv[1000]; //snd: send command to ESP8266
jamiedillion2019 10:e4b6bc6d9b07 26 //rcv: receive response from ESP8266
jakobjohn949 9:607ee6e92552 27
andcor02 8:25138f7b9309 28 int main()
andcor02 8:25138f7b9309 29 {
jamiedillion2019 10:e4b6bc6d9b07 30 pc.baud(115200); //Baud Rate of 115200 for Tera Term
jamiedillion2019 10:e4b6bc6d9b07 31
jamiedillion2019 10:e4b6bc6d9b07 32 pc.printf("######## ###### #### ###### ###### ## ## ###### ######## ######## ## ##\n\r");
jamiedillion2019 10:e4b6bc6d9b07 33 pc.printf("## ## ## ## ## ## ## ## ## ## ## ## ## ## ### ###\n\r");
jamiedillion2019 10:e4b6bc6d9b07 34 pc.printf("## ## ## ## ## #### ## ## ## #### ####\n\r");
jamiedillion2019 10:e4b6bc6d9b07 35 pc.printf("###### ## ## ###### ###### ## ###### ## ###### ## ### ##\n\r");
jamiedillion2019 10:e4b6bc6d9b07 36 pc.printf("## ## ## ## ## ## ## ## ## ## ##\n\r");
jamiedillion2019 10:e4b6bc6d9b07 37 pc.printf("## ## ## ## ## ## ## ## ## ## ## ## ## ## ##\n\r");
jamiedillion2019 10:e4b6bc6d9b07 38 pc.printf("######## ###### #### ###### ###### ## ###### ## ######## ## ##\n\r");
jamiedillion2019 10:e4b6bc6d9b07 39 pc.printf("-----------------------------------------------------------------------------------------\n\r");
jamiedillion2019 10:e4b6bc6d9b07 40 pc.printf("Developed By: Priyank Kalgaonkar\n\r");
jamiedillion2019 10:e4b6bc6d9b07 41 pc.printf("-----------------------------------------------------------------------------------------\n\r\n\r");
jamiedillion2019 10:e4b6bc6d9b07 42
jamiedillion2019 10:e4b6bc6d9b07 43 pc.printf("Initial Setup\r\n");
jamiedillion2019 10:e4b6bc6d9b07 44 wifi.SetMode(1); //Set ESP mode to 1
jamiedillion2019 10:e4b6bc6d9b07 45 wifi.RcvReply(rcv, 1000); //Receive a response from ESP
jamiedillion2019 10:e4b6bc6d9b07 46 pc.printf("%s\r", rcv);
jamiedillion2019 10:e4b6bc6d9b07 47
jamiedillion2019 10:e4b6bc6d9b07 48 pc.printf("Connecting to WiFi\r\n"); //AP Setup Initialization
jamiedillion2019 10:e4b6bc6d9b07 49 wifi.Join("Z", "12345678");//Put your Wifi SSID followed by Password WiFi_SSID WiFi_Password
jamiedillion2019 10:e4b6bc6d9b07 50 wifi.RcvReply(rcv, 1000);
jamiedillion2019 10:e4b6bc6d9b07 51 pc.printf("%s\n", rcv);
jamiedillion2019 10:e4b6bc6d9b07 52 wait(8);
jamiedillion2019 10:e4b6bc6d9b07 53
jamiedillion2019 10:e4b6bc6d9b07 54 wifi.GetIP(rcv); //Obtains an IP address from the AP
jamiedillion2019 10:e4b6bc6d9b07 55
jamiedillion2019 10:e4b6bc6d9b07 56 while (1)
jamiedillion2019 10:e4b6bc6d9b07 57 {
jamiedillion2019 10:e4b6bc6d9b07 58 wifi_send();
jamiedillion2019 10:e4b6bc6d9b07 59
jamiedillion2019 10:e4b6bc6d9b07 60 RLed = 1;
jamiedillion2019 10:e4b6bc6d9b07 61 GLed = 1;
jamiedillion2019 10:e4b6bc6d9b07 62 BLed = 0;
jamiedillion2019 10:e4b6bc6d9b07 63 wait(2.0f);
jamiedillion2019 10:e4b6bc6d9b07 64 }
jamiedillion2019 10:e4b6bc6d9b07 65 }
jamiedillion2019 10:e4b6bc6d9b07 66
jamiedillion2019 10:e4b6bc6d9b07 67 void wifi_send(void)
jamiedillion2019 10:e4b6bc6d9b07 68 {
jamiedillion2019 10:e4b6bc6d9b07 69 while(num<1000000000000)
jamiedillion2019 10:e4b6bc6d9b07 70 {
jamiedillion2019 10:e4b6bc6d9b07 71 num=num+1;
jamiedillion2019 10:e4b6bc6d9b07 72 pc.printf("\nCloud Sync Instance #: %d\n\r", num);
jamiedillion2019 10:e4b6bc6d9b07 73 pc.printf("Syncing Data with Cloud, Please Wait.\n\r");
jamiedillion2019 10:e4b6bc6d9b07 74
jamiedillion2019 10:e4b6bc6d9b07 75 //Ultrasound Sensor (HC-SR04) #1 Initialization
jamiedillion2019 10:e4b6bc6d9b07 76 int a = 30;
jakobjohn949 9:607ee6e92552 77 usensor1.start();
jamiedillion2019 10:e4b6bc6d9b07 78 wait_ms(500);
jakobjohn949 9:607ee6e92552 79
jamiedillion2019 10:e4b6bc6d9b07 80 //Calculating Distance Percentage Remaining for Sensor # 1
jamiedillion2019 10:e4b6bc6d9b07 81 distance1 = usensor1.get_dist_cm();
jamiedillion2019 10:e4b6bc6d9b07 82 dist_remaining1 = a-distance1;
jamiedillion2019 10:e4b6bc6d9b07 83 dist_percent1 = (dist_remaining1/30)*100;
jamiedillion2019 10:e4b6bc6d9b07 84
jamiedillion2019 10:e4b6bc6d9b07 85 //LED and Tera Term Output
jamiedillion2019 10:e4b6bc6d9b07 86 if (distance1<30 && distance2<30) {
jakobjohn949 9:607ee6e92552 87 RLed = 1;
jakobjohn949 9:607ee6e92552 88 BLed = 1;
jakobjohn949 9:607ee6e92552 89 GLed = 0;
jamiedillion2019 10:e4b6bc6d9b07 90 //printf("Percent remaining: %f\r", dist_percent1 && dist_percent2);
jakobjohn949 9:607ee6e92552 91 } else {
jakobjohn949 9:607ee6e92552 92 GLed = 1;
jakobjohn949 9:607ee6e92552 93 BLed = 1;
jakobjohn949 9:607ee6e92552 94 RLed = 0;
jamiedillion2019 10:e4b6bc6d9b07 95 printf("Shelves Empty! Replenish Stock.\n\r");
jamiedillion2019 10:e4b6bc6d9b07 96 }
jamiedillion2019 10:e4b6bc6d9b07 97
jamiedillion2019 10:e4b6bc6d9b07 98 //Sending Data to the Cloud Server via ESP8266 WiFi Module
jamiedillion2019 10:e4b6bc6d9b07 99 strcpy(snd,"AT+CIPMUX=0\n\r"); //AT+CIPMUX: Enabling Single Channel Mode
jamiedillion2019 10:e4b6bc6d9b07 100 wifi.SendCMD(snd);
jamiedillion2019 10:e4b6bc6d9b07 101 wait(1);
jamiedillion2019 10:e4b6bc6d9b07 102 wifi.RcvReply(rcv, 1000);
jamiedillion2019 10:e4b6bc6d9b07 103 wait(1);
jamiedillion2019 10:e4b6bc6d9b07 104
jamiedillion2019 10:e4b6bc6d9b07 105 //Establish TCP connection w/ Cloud Server
jamiedillion2019 10:e4b6bc6d9b07 106 sprintf(snd,"AT+CIPSTART=4,\"TCP\",\"%s\",80\n",CloudIP);
jamiedillion2019 10:e4b6bc6d9b07 107 wait(1);
jamiedillion2019 10:e4b6bc6d9b07 108 wifi.RcvReply(rcv, 1000);
jamiedillion2019 10:e4b6bc6d9b07 109 wait(1);
jamiedillion2019 10:e4b6bc6d9b07 110
jamiedillion2019 10:e4b6bc6d9b07 111 //Set length of the data that will be sent
jamiedillion2019 10:e4b6bc6d9b07 112 strcpy(snd,"AT+CIPSEND=100\n\r");
jamiedillion2019 10:e4b6bc6d9b07 113 wifi.SendCMD(snd);
jamiedillion2019 10:e4b6bc6d9b07 114 pc.printf("%s\r", rcv);
jamiedillion2019 10:e4b6bc6d9b07 115 wait(1);
jamiedillion2019 10:e4b6bc6d9b07 116 wifi.RcvReply(rcv, 1000);
jamiedillion2019 10:e4b6bc6d9b07 117 pc.printf("%s\r", rcv);
jamiedillion2019 10:e4b6bc6d9b07 118 wait(1);
jamiedillion2019 10:e4b6bc6d9b07 119
jamiedillion2019 10:e4b6bc6d9b07 120 //Pushing the data acquired from HC-SR04 Ultrasonic Sensor to Cloud Server via API
jamiedillion2019 10:e4b6bc6d9b07 121 pc.printf("Product X - Sensor 1: \n\r");
jamiedillion2019 10:e4b6bc6d9b07 122 sprintf(snd,"\rhttps://api.thingspeak.com/update?api_key=O59NSRSQZCJ2G6WK&field1=%f\r", dist_percent1);
jamiedillion2019 10:e4b6bc6d9b07 123 printf("Percent Stock X Remaining: %f\n\r", dist_percent1);
jamiedillion2019 10:e4b6bc6d9b07 124 wifi.SendCMD(snd);
jamiedillion2019 10:e4b6bc6d9b07 125 pc.printf("%s\r",snd);
jamiedillion2019 10:e4b6bc6d9b07 126 wait(0.5);
jamiedillion2019 10:e4b6bc6d9b07 127 wifi.RcvReply(rcv, 1000);
jamiedillion2019 10:e4b6bc6d9b07 128 pc.printf("%s\r", rcv);
andcor02 8:25138f7b9309 129 }
andcor02 8:25138f7b9309 130 }