Diff: main.cpp

Revision:

10:e4b6bc6d9b07

Parent:

9:607ee6e92552

Child:

11:756321f0b0cd

--- a/main.cpp	Wed Nov 27 20:53:24 2019 +0000
+++ b/main.cpp	Wed Aug 19 18:51:26 2020 +0000
@@ -1,40 +1,130 @@
-/** 
-Group 1: Electronically Controlled Intelligent Systems
-Team Members: Priyank Kalgaonkar, Sahil Kumar, Linknath Balasubramanian
-ECE53301 - Final Project - Fall 2019
+/**
+Electronically Controlled Intelligent Shelves
+Developed by: Priyank Kalgaonkar
 **/
+
 #include "mbed.h"
 #include "hcsr04.h"
- 
-DigitalOut RLed(LED1);                  //Onboard Red LED = Warning
-DigitalOut GLed(LED2);                  //Onboard Green LED = All OK
-DigitalOut BLed(LED3);                  //Onboard Blue LED = Wifi Tx
-HCSR04 usensor1(D8,D9);                 //ECHO Pin=D9, TRIG Pin=D8
+#include "ESP8266.h"
+#include "math.h"
+#define CloudIP "184.106.153.149"           //Raw IP Address of ThingSpeak Cloud Server
 
-float distance;                  //distance=int for faster program exec.
-float dist_remaining;
-float dist_percent;
+DigitalOut RLed(LED1);                      //Onboard Red LED = Shelf Out of Stock
+DigitalOut GLed(LED2);                      //Onboard Green LED = All OK
+DigitalOut BLed(LED3);                      //Onboard Blue LED for Wifi Tx Indication
+HCSR04 usensor1(D8,D9);                     //ECHO Pin=D9, TRIG Pin=D8
+HCSR04 usensor2(D7,D6);                     //ECHO Pin=D7, TRIG Pin=D6
+Serial pc(USBTX,USBRX);                     //Serial Communication with PC
+ESP8266 wifi(PTC17, PTC16, 115200);         //Tx Pin:PTC17; Rx Pin:PTC17; Baud rate:115200
+
+void wifi_send(void);;                      //Connect and Push Data Channel to Cloud Server
+
+int num = 0;
+int distance1, distance2;
+float dist_remaining1, dist_percent1, dist_remaining2, dist_percent2;
+char snd[255],rcv[1000];                    //snd: send command to ESP8266
+                                            //rcv: receive response from ESP8266
 
 int main()
 {
-    int a = 30;
-    while(1) {
+    pc.baud(115200);                        //Baud Rate of 115200 for Tera Term
+    
+    pc.printf("########  ######  ####  ######      ######  ##    ##  ######  ######## ######## ##     ##\n\r");
+    pc.printf("##       ##    ##  ##  ##    ##    ##    ##  ##  ##  ##    ##    ##    ##       ###   ###\n\r");
+    pc.printf("##       ##        ##  ##          ##         ####   ##          ##    ##       #### ####\n\r");
+    pc.printf("######   ##        ##   ######      ######     ##     ######     ##    ######   ## ### ##\n\r");
+    pc.printf("##       ##        ##        ##          ##    ##          ##    ##    ##       ##     ##\n\r");
+    pc.printf("##       ##    ##  ##  ##    ##    ##    ##    ##    ##    ##    ##    ##       ##     ##\n\r");
+    pc.printf("########  ######  ####  ######      ######     ##     ######     ##    ######## ##     ##\n\r");
+    pc.printf("-----------------------------------------------------------------------------------------\n\r");
+    pc.printf("Developed By: Priyank Kalgaonkar\n\r");
+    pc.printf("-----------------------------------------------------------------------------------------\n\r\n\r");
+    
+    pc.printf("Initial Setup\r\n");
+    wifi.SetMode(1);                        //Set ESP mode to 1
+    wifi.RcvReply(rcv, 1000);               //Receive a response from ESP
+    pc.printf("%s\r", rcv);
+
+    pc.printf("Connecting to WiFi\r\n");    //AP Setup Initialization
+    wifi.Join("Z", "12345678");//Put your Wifi SSID followed by Password WiFi_SSID WiFi_Password
+    wifi.RcvReply(rcv, 1000);
+    pc.printf("%s\n", rcv);
+    wait(8);
+    
+    wifi.GetIP(rcv);                        //Obtains an IP address from the AP
+    
+    while (1) 
+    {
+        wifi_send();
+        
+        RLed = 1;
+        GLed = 1;
+        BLed = 0;
+        wait(2.0f);
+    }
+}
+
+void wifi_send(void)
+{
+    while(num<1000000000000)
+    {
+        num=num+1;
+        pc.printf("\nCloud Sync Instance #: %d\n\r", num);
+        pc.printf("Syncing Data with Cloud, Please Wait.\n\r");
+        
+    //Ultrasound Sensor (HC-SR04) #1 Initialization
+        int a = 30;
         usensor1.start();
-        wait_ms(1000); 
-        distance = usensor1.get_dist_cm();
-        dist_remaining = a-distance;
-        dist_percent = (dist_remaining/30)*100;
+        wait_ms(500);
         
-        if (distance<30) {
+    //Calculating Distance Percentage Remaining for Sensor # 1
+        distance1 = usensor1.get_dist_cm();
+        dist_remaining1 = a-distance1;
+        dist_percent1 = (dist_remaining1/30)*100;
+        
+    //LED and Tera Term Output
+        if (distance1<30 && distance2<30) {
             RLed = 1;
             BLed = 1;
             GLed = 0;
-            printf("\rPercent remaining: %f\r", dist_percent);
+            //printf("Percent remaining: %f\r", dist_percent1 && dist_percent2);
         } else {
             GLed = 1;
             BLed = 1;
             RLed = 0;
-            printf("\rShelf Empty. Replenish Stock!\r");
-        }
+            printf("Shelves Empty! Replenish Stock.\n\r");
+        }    
+        
+    //Sending Data to the Cloud Server via ESP8266 WiFi Module
+        strcpy(snd,"AT+CIPMUX=0\n\r");        //AT+CIPMUX: Enabling Single Channel Mode
+        wifi.SendCMD(snd);
+        wait(1);
+        wifi.RcvReply(rcv, 1000);
+        wait(1);
+        
+    //Establish TCP connection w/ Cloud Server
+        sprintf(snd,"AT+CIPSTART=4,\"TCP\",\"%s\",80\n",CloudIP);
+        wait(1);
+        wifi.RcvReply(rcv, 1000);
+        wait(1);
+        
+    //Set length of the data that will be sent
+        strcpy(snd,"AT+CIPSEND=100\n\r");
+        wifi.SendCMD(snd);
+        pc.printf("%s\r", rcv);
+        wait(1);
+        wifi.RcvReply(rcv, 1000);
+        pc.printf("%s\r", rcv);
+        wait(1);
+        
+    //Pushing the data acquired from HC-SR04 Ultrasonic Sensor to Cloud Server via API
+        pc.printf("Product X - Sensor 1: \n\r");
+        sprintf(snd,"\rhttps://api.thingspeak.com/update?api_key=O59NSRSQZCJ2G6WK&field1=%f\r", dist_percent1);
+        printf("Percent Stock X Remaining: %f\n\r", dist_percent1);
+        wifi.SendCMD(snd);
+        pc.printf("%s\r",snd);
+        wait(0.5);
+        wifi.RcvReply(rcv, 1000);
+        pc.printf("%s\r", rcv);     
     }
 }
\ No newline at end of file