Revision 11:af86c88a58ba, committed 2016-06-16

Comitter:

ekasinambela

Date:

Thu Jun 16 09:22:58 2016 +0000

Parent:

10:3d1ffeb39123

Commit message:

add median by using sort function and add alarm

Changed in this revision

--- a/main.cpp	Tue Jun 14 13:42:14 2016 +0000
+++ b/main.cpp	Thu Jun 16 09:22:58 2016 +0000
@@ -2,6 +2,7 @@
 #include <cmath>
 #include <stdio.h>   
 #include <math.h>
+#include <algorithm>
 //#include <LinearTemp.h>
 #include "mbed.h"
 #include "TextLCD.h"
@@ -12,108 +13,195 @@
 AnalogIn pin_1(p16), pin_2(p15), pin_3(p17) ;
 AnalogOut pin_18 (p18);
 DigitalIn switchinput(p7);
+DigitalOut redLed(p5);
+DigitalOut alarm (p5);
 //LinearTemp mysensor(p15, 0.0050354, -273.15); 
  
 char program_name[128] = "G3-Waterplay Project";
 float roundvalue = 0;
+double Temperature = 0;
+float Salinity = 0;
 
 void salinityMeasurement();
 void temperatureMeasurement();
 void initialization ();
 int main()
 {
-     
-     initialization();    
+    //int number = 0;
+    temperatureMeasurement();
+    lcd.printf("None \n");
+    
+    while(true){
+        if (Temperature >= 32){
+            pin_18 = 0;
+            redLed = 1;
+            temperatureMeasurement();
+            lcd.printf("Temp too high \n");
+        }
+        
+        if(Temperature >= 28 && Temperature < 32 ){
+            pin_18 = 0;  
+            myled1 = 0;
+            redLed = 0;
+            temperatureMeasurement();
+            salinityMeasurement();      
+        }
+        if (Temperature < 28){
+            pin_18 = 1;
+            myled1 = 1;
+            temperatureMeasurement();
+            lcd.printf("None \n");
+        }
+    }    
      
-     while(1){
-        wait(2); 
+     //initialization();    
+     //while(1){
+       // wait(2); 
+        //salinityMeasurement();
+        //temperatureMeasurement();
+    //}
+    
+    /*
+    int number = 0;
+    temperatureMeasurement();
+    salinityMeasurement();
+    for (int i = 23 ; i < 35; i++){
+        while (Temperature < (double)i){
+            number++;
+            pin_18 = 1;
+            myled1 = 1;   
+            if (number %100 == 0){
+                temperatureMeasurement();
+                salinityMeasurement();
+            }      
+        }
+        pin_18 = 0;  
+        myled1 = 0;
+        redLed = 0;  
+        
+        alarm = 1;
+        wait(0.2);
+        alarm = 0;
+        wait(0.5);
+        alarm = 1;
+        wait(0.2);
+        alarm = 0;
+        
+        while (switchinput!=1){
+            wait(1);
+            temperatureMeasurement();
+            salinityMeasurement();
+        }    
+        
+        temperatureMeasurement();
         salinityMeasurement();
-        temperatureMeasurement();
     }
+    */
 }
     
 //salinity function
 void salinityMeasurement(){
-    float f = pin_1.read();
-
-    float vin = f * 3.3;
-    float divider = (float)5/ (float)3;
-    float vout = vin * divider;
+    float f, vin, divider, vout;
+    
+    float salt[100];
+    
+    for (int i = 0;  i < 100; i++){
+        f = pin_1.read();
+        vin = f * 3.3;
+        divider = (float)5/ (float)3;
+        vout = vin * divider;
     
-    //measure the salinity
-    float salt = 16.3 * vout; 
-    pc.printf("vin: %f, vout: %f, salt: %f \n\r", vin, vout, salt);
-    roundvalue = (float)floor((salt*100.0) + 0.5)/100.0;
+        //measure the salinity
+        salt[i] = 16.3 * vout; 
+    }   
+    
+    sort(salt, salt + 100);
+    
+    pc.printf("vin: %f, vout: %f, salt: %f \n\r", vin, vout, salt[50]);
+    roundvalue = (float)floor((salt[50]*100.0) + 0.5)/100.0;
     lcd.printf("Sal:  %g \n", roundvalue);
+    Salinity = roundvalue;
 }
 
 //temperature function
 void temperatureMeasurement(){
     //measure the temperature
-    double f2 = pin_2.read();
-    double vin = f2 * 4.85;
-    double divider = (double)5/ (double)3;
-    double vout = vin * divider;
+    double f2, vin, divider, vout, RT, K0, K1, K2, TKelvin;
+    double Celcius[100];
     
-    double RT = (vout * (double)15000) / (4.85 - vout);
-    double K0 = 0.00102119;
-    double K1 = 0.000222468 * (log(RT));
-    double K2 = double (1.33342 * pow (10.0, -7.0)) * pow ((double)log(RT), 3.0);
-    double TKelvin = 1.0 / (K0 + K1 + K2);
-    double Celcius = (TKelvin - 273.15)+5.0;
+    for (int i = 0;  i < 100; i++){
+        f2 = pin_2.read();
+        vin = f2 * 4.85;
+        divider = (double)5/ (double)3;
+        vout = vin * divider;
     
+        RT = (vout * (double)15000) / (4.85 - vout);
+        K0 = 0.00102119;
+        K1 = 0.000222468 * (log(RT));
+        K2 = double (1.33342 * pow (10.0, -7.0)) * pow ((double)log(RT), 3.0);
+        TKelvin = 1.0 / (K0 + K1 + K2);
+        Celcius[i] = (TKelvin - 273.15)+5.0;
+    }
     //pc.printf("K0: %f, K1: %f, K2: %f \n\r", K0, K1, K2); 
     //pc.printf("vin: %f, vout: %f, temperature: %f \n\r", vin, vout, Celcius);
-    pc.printf("vin: %f, vout: %f, temperature: %f \n\r",vin, vout, Celcius);
-    roundvalue = (float)floor((Celcius*100.0) + 0.5)/100.0;
+    
+    sort(Celcius, Celcius + 100);
+    
+    pc.printf("vin: %f, vout: %f, temperature: %f \n\r",vin, vout, Celcius[50]);
+    roundvalue = (float)floor((Celcius[50]*100.0) + 0.5)/100.0;
     lcd.printf("Temp: %g \n", roundvalue);
+    Temperature = roundvalue;
     
-    if (Celcius < 30){
+    /*
+    if (Celcius[50] >= 34){
+        pin_18 = 0;
+        redLed = 1;
+        lcd.printf("The temperature is too high");
+    }else if(Celcius[50] >= 28 && Celcius[50] < 34 ){
+        pin_18 = 0;  
+        myled1 = 0;
+        redLed = 0;      
+    }else {
         pin_18 = 1;
         myled1 = 1;
-    }else{
-        pin_18 = 0;  
-        myled1 = 0;      
     }
+    */
 }
 
 void initialization(){
 int message=0;
     while (message<8){
     
-    
+        if (message==0){
+            lcd.printf("Check the water tank  \n");
+        }
+        if (message==1){
+            lcd.printf("Check the solution tank  \n");
+        }
+        if (message==2){
+            lcd.printf("Check the water tube  \n");
+        }
+        if (message==3){
+            lcd.printf("Check the salinity tube  \n");
+        }
+        if (message==4){
+            lcd.printf("Check the valves position  \n");
+        }
+        if (message==5){
+            lcd.printf("Check the syrenge  \n");
+        }
+        if (message==6){
+            lcd.printf("Check the sensor position  \n");
+        }
+        if (message==7){
+            lcd.printf("Check the thermostat  \n");
+        }
     
-    if (message==0){
-        lcd.printf("Check the water tank  \n");
-    }
-        
-    if (message==1){
-        lcd.printf("Check the solution tank  \n");
-    }
-    if (message==2){
-        lcd.printf("Check the water tube  \n");
-    }
-    if (message==3){
-        lcd.printf("Check the salinity tube  \n");
-    }
-    if (message==4){
-        lcd.printf("Check the valves position  \n");
-    }
-    if (message==5){
-        lcd.printf("Check the syrenge  \n");
-    }
-    if (message==6){
-        lcd.printf("Check the sensor position  \n");
-    }
-    if (message==7){
-        lcd.printf("Check the thermostat  \n");
-    }
-    
-    if (switchinput==1){
-        message++;
-        wait(2);
-        lcd.cls();
-    }
+        if (switchinput==1){
+            message++;
+            wait(2);
+            lcd.cls();
+        }
     
     }