Diff: main.cpp

Revision:

0:12f7ba5bc6c2

diff -r 000000000000 -r 12f7ba5bc6c2 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Apr 30 14:28:29 2020 +0000
@@ -0,0 +1,119 @@
+/*
+ECE 4180 Final Project: Rainwater Harvesting System with IoT
+
+SAMPLE DATA: There's a lot of noise specially in the beginning when water just bounces around the empty tank
+reading the sensor at longer intervals of time might help reduce the noise but the data in general looks like 
+this with bounds (~empty : ~full) => (~192mm : ~ 34mm) 
+
+*/
+
+//adding the libraries
+    #include "mbed.h"
+    #include "ultrasonic.h"
+    #include "uLCD_4DGL.h"
+    #include "Servo.h"
+
+
+//defining the pinouts
+    uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin;
+    //ultrasonic mu(p6, p7, .1, 1, &dist); 
+    //I2C rangefinder(p9, p10); //sda, sc1 
+    Serial pc(USBTX, USBRX); //tx, rx 
+    //Servo myservo(p21);
+
+//defining arbitrary variables
+int height;
+//bool LidClosed = false;
+//bool empty;
+//float p = 0;
+
+
+//sensor function for height
+void dist(int distance)
+ { 
+        height = distance;
+        //height = mu.getCurrentDistance(void);   
+        printf("DISTANC %d mm\r\n", distance);
+        
+ }
+ 
+ultrasonic mu(p6, p7, .5, 1, &dist); 
+ 
+ //pass on the height return volume
+int Volume(int h)
+ {
+   double pi = 3.14;
+   double radius = 6.5;
+   return(pi*radius*radius*h); 
+ }
+ 
+ 
+ 
+ //Displays the water level and volume on LCD
+ void Display()
+ {
+    int V = height/3; 
+    volatile int level = 27 + V;
+    uLCD.baudrate(BAUD_3000000);
+    uLCD.background_color(BLACK);
+    uLCD.cls(); //replace with a black retangle instead oc clear screen
+    uLCD.locate(3,12);
+    uLCD.printf("VOLUME= %d",Volume(height));
+    //uLCD.printf("Volume =  ");    
+    //void rectangle(int, int, int, int, int);
+    //uLCD.locate(1,1);
+    uLCD.rectangle(50, 25, 102, 92, 0x0FFFFF);
+    // dynamic rectangle size -> second argument of rectangle should be based on the sonar reading level.
+    uLCD.filled_rectangle(52, level, 100, 90, 0x00FF00); // fill rectangle based on current volume levels
+    wait(0.5);             
+ }
+
+
+
+//void tankLid()
+//{
+// //check is tank is empty and lid is closed then opens 
+//     if(( empty == 1) && (LidClosed == true))
+//      {  
+//        for(p=0; p<=10; p++) 
+//        {
+//         myservo = p/10.0;
+//        
+//        }
+//        LidClosed = false;
+//        
+//      }
+//      
+//     //checks if tank is full and lid is open then closes  
+//     else if((empty == 0) &&(LidClosed == false))  
+//      { 
+//        for(p=10; p>=0; p--) 
+//         {
+//           myservo = p/10.0;
+//           
+//         }
+//         LidClosed = true;
+//      }
+// }    
+
+   int main() 
+   {
+     mu.startUpdates();
+     
+     while (1) 
+     {
+        
+        //tank empty == 1 open lid
+        mu.checkDistance();   //checks height value fro sonar
+        //height = mu.getCurrentDistance();
+         wait(0.5);
+        Display(); //computes volume and display volume level
+         wait(0.5);
+        //stream current level value to SDcard repeat  
+         //pc.printf("DISTANCE %d mm\r\n", height);//
+         //pc.printf("TEST\n");
+         
+     } 
+     
+  }
+  
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