Revision 12:701ea1b1d513, committed 2021-12-13

Comitter:

27e08e1e-4785-4bb4-b751-624c9c99ee9f

Date:

Mon Dec 13 15:14:02 2021 +0000

Parent:

11:756321f0b0cd

Commit message:

The purpose of this code is to rotate an HC-SR04 and measure the perimeter of a room.; The measurements will then be sent to ThingSpeak to record the data.

Changed in this revision

diff -r 756321f0b0cd -r 701ea1b1d513 TextLCD.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib	Mon Dec 13 15:14:02 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/simon/code/TextLCD/#308d188a2d3a

diff -r 756321f0b0cd -r 701ea1b1d513 ULN2003_StepperDriver.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ULN2003_StepperDriver.lib	Mon Dec 13 15:14:02 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/27e08e1e-4785-4bb4-b751-624c9c99ee9f/code/ULN2003_StepperDriver/#28a05cf07dee

diff -r 756321f0b0cd -r 701ea1b1d513 main.cpp
--- a/main.cpp	Sat Aug 28 22:17:23 2021 +0000
+++ b/main.cpp	Mon Dec 13 15:14:02 2021 +0000
@@ -1,131 +1,145 @@
-/**
-Electronically Controlled Intelligent Shelves
-Developed by: Priyank Kalgaonkar
-**/
+/*
+Perimeter detection
+John Emberson/Tercio Junker
+
+The purpose of this code is to rotate an HC-SR04 and measure the perimeter of a room.
+The measurements will then be sent to ThingSpeak to record the data.
+
+*/
 
 #include "mbed.h"
 #include "hcsr04.h"
 #include "ESP8266.h"
-#include "math.h"
-#define CloudIP "184.106.153.149"           //Raw IP Address of ThingSpeak Cloud Server
+#include "ULN2003.h"
+#include "TextLCD.h"
+
+
 
-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
+#define IP "184.106.153.149"
+#define spr 4096
+
+#define SSID    "IU PublicNet"
+#define PW      ""
+
+
 Serial pc(USBTX,USBRX);                     //Serial Communication with PC
 ESP8266 wifi(PTC17, PTC16, 115200);         //Tx Pin:PTC17; Rx Pin:PTC17; Baud rate:115200
+ULN2003 sm(D13,D12,D11,D10,spr);            //SM motor (In1,In2,In3,In4,StepsPerRotation=4096)
+HCSR04 us(D7,D6);                           //Trig:D7 Echo:D6
+TextLCD lcd(D9,D8,D2,D3,D4,D5);             //Rs,E,D4,D5,D6,D7
 
-void wifi_send(void);;                      //Connect and Push Data Channel to Cloud Server
+char snd[255];                      //snd: send command to ESP8266        
+char resp[1000];                    //resp: receive response from ESP8266
+
+int dist[]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
+
+char* API = "Q34TJD14E68FMA7A";     //API key
+
+char comm[300];                     //WIFI command
+int timeout = 8000;                 //timeout for wifi commands
+
+
+int mp=16;                          //The amount of measurements per rotation
+int hmp=mp/2;                       //Half a rotation
+int delta=spr/mp;                   //setting up 16 points to take a measurment This is the amount of steps per measurement
+int speed=500;                      //speed in steps per second
+int delay=(delta/speed)/1000;       //(steps % (steps per second))/1000 = milliseconds
+                        
+void MotorFront(){                  //Move motor forward half a rotation
+    for (int i=1;i<(hmp+1);i++){
+        sm.moveForward(delta,speed);
+        wait_ms(delay);
+        us.start();
+        wait_ms(500);
+        dist[i]=us.get_dist_cm();
+        pc.printf("dist%d=%d\r\n",i,dist[i]);
+        }
+        }
+ void MotorBack(){                  //Move motor reverse half a rotations
+    for (int i=mp;i>(hmp);i--){
+        sm.moveForward(delta,speed);
+        wait_ms(delay);
+        us.start();
+        wait_ms(500);
+        dist[i]=us.get_dist_cm();
+        pc.printf("dist%d=%d\r\n",i,dist[i]);
+        }
+        }   
 
-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
-
+void ConnWIFI(){                            //Connect to wifi
+    wifi.SetMode(1);        
+    wifi.SendCMD(snd);
+    wifi.RcvReply(resp, 5000);
+    wait(1);
+    pc.printf("%s\r", resp);
+    wifi.Join(SSID,PW);
+    wifi.RcvReply(resp, 5000);
+    wait(1);
+    pc.printf("%s\r\n", resp);
+    pc.printf("Connecting to WIFI...");
+    lcd.cls();
+    lcd.printf("Connecting to   WIFI");
+    wifi.setTransparent();          
+    wait(1);    
+    pc.printf("...");
+    lcd.printf("...");
+    wifi.SetSingle();             
+    wifi.RcvReply(resp, timeout);
+    wait(1);
+    }
+    
+void ConnTS1(){                                             //Connect to ThingSpeak
+    pc.printf("\r\nConnecting to ThingSpeak\r\n");
+    lcd.cls();
+    lcd.printf("Connecting to   ThingSpreak");
+    wifi.startTCPConn(IP,80);                               //cipstart
+    wifi.RcvReply(resp, timeout);
+    wait(1);
+    sprintf(snd,"https://api.thingspeak.com/update?api_key=%s&field1=%d&field2=%d&field3=%d&field4=%d&field5=%d&field6=%d&field7=%d&field8=%d\r\n",API,dist[1],dist[2],dist[3],dist[4],dist[5],dist[6],dist[7],dist[8]);
+    pc.printf("Sending data to ThingSpeak\r\n");
+    lcd.cls();
+    lcd.printf("Sending data to ThingSpeak");
+    wifi.sendURL(snd, comm);                                //cipsend and get command
+    if (wifi.RcvReply(resp, timeout))    
+        pc.printf("%s",resp);    
+    else
+        pc.printf("No response while sending URL \r\n");
+    wait_ms(5000);
+    }
+     
+void ConnTS2(){                                             //Connect to ThingSpeak for second back of data
+    pc.printf("\r\nSending second batch of data...");
+    lcd.cls();
+    lcd.printf("Sending second  batch of data");
+    wifi.startTCPConn(IP,80);                               //cipstart
+    wifi.RcvReply(resp, timeout);
+    wait(1);
+    sprintf(snd,"https://api.thingspeak.com/update?api_key=%s&field1=%d&field2=%d&field3=%d&field4=%d&field5=%d&field6=%d&field7=%d&field8=%d\r\n",API,dist[9],dist[10],dist[11],dist[12],dist[13],dist[14],dist[15],dist[16]); 
+    pc.printf("...\r\n");
+    lcd.printf("...");
+    wifi.sendURL(snd, comm);                                //cipsend and get command
+    if (wifi.RcvReply(resp, timeout))    
+        pc.printf("%s",resp);    
+    else
+        pc.printf("No response while sending URL \r\n");
+}
+    
+    
 int main()
 {
     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(500);
-        
-    //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("Percent remaining: %f\r", dist_percent1 && dist_percent2);
-        } else {
-            GLed = 1;
-            BLed = 1;
-            RLed = 0;
-            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
-    //Replace with your own API Request - Write a Channel Feed below
-        pc.printf("Product X - Sensor 1: \n\r");
-        sprintf(snd,"\r ***Replace with your own API Request - Write a Channel Feed below*** \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);     
-    }
+    pc.printf("Scanning measurments of room");   
+    lcd.cls();                              //Clear LCD Screen           
+    lcd.printf("Scanning measurments of room");
+    wait_ms(2000);
+    MotorFront();                           //Scan first 8 steps
+    sm.moveReverse(spr,600);                //Rotates camera opposite to prevent wire tangle
+    wait_ms(250);                           
+    MotorBack();                            //Scan last 8 steps
+    ConnWIFI();                             //Connecting to WIFI
+    ConnTS1();                              //Sending first 8 steps to ThingSpeak
+    ConnTS2();                              //Sending last 8 steps to ThingSpeak
+    pc.printf("Done");
+    lcd.cls();
+    lcd.printf("Done");
 }
\ No newline at end of file