Diff: main.cpp

Revision:

0:3fd35ac0f458

diff -r 000000000000 -r 3fd35ac0f458 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat May 23 18:11:31 2020 +0000
@@ -0,0 +1,91 @@
+#include "mbed.h"
+#include "TextLCD.h"
+
+AnalogIn LM35(p14);
+DigitalOut WOpen(p5);
+DigitalOut WClose(p6);
+DigitalIn StepOpen(p8);
+DigitalIn StepClose(p7);
+DigitalOut AmberLED(p23);
+DigitalOut GreenLED(p22);
+DigitalOut RedLED(p21);
+
+TextLCD lcd(p15, p16, p17, p18, p19, p20); //rs, e, d4-d7
+BusOut stepper_out(p30,p29,p28,p27);
+
+int step=0;
+int x=0;
+int dir=1;  //direction of motor
+
+
+        int main()
+        {
+         float tempC,tempF,a[10],avg; //float integer for temp
+         int i;
+         
+         while(1)
+             {  
+             avg=0;
+            for(i=0;i<10;i++)
+            {
+            a[i]=LM35.read(); //read temp sensor
+            AmberLED = 1
+            wait(.02)
+            AmberLED = 0
+            wait(.02);
+            }
+            for(i=0;i<10;i++)
+            {
+            avg=avg+(a[i]/10);
+            }
+
+        tempC=(avg*3.685503686*100);
+        tempF=(9.0*tempC)/5.0 + 32.0;
+            lcd.locate(0,0);
+            lcd.printf("  Temperature   "); //displays 'temperature' on the lcd screen
+            lcd.locate(0,1);
+            lcd.printf("%.2f C %.2f F",tempC,tempF); //displays the temperature reading on the LCD screen
+        wait(.5);     
+        
+        if (tempC < 20.C) //If Temp is over 20 degrees, turn open window pin out on
+        WClose = 1;
+        Wopen = 0;
+        GreenLed = 1;
+        RedLed = 0;
+        else                  //if Temp is not over 20 degree, turn close window pin out on
+        WClose = 0;
+        WOpen = 1;
+        GreenLed = 0;
+        RedLed = 1;
+    
+        While (1)
+        {
+            if (StepOpen ==1){
+            for (x=0;x<=1024;x++);
+            switch(Step)
+            {
+                case 0: stepper_out=0x1; break;        //8 step mootor requires 8 cases
+                case 1: stepper_out=0x3; break;
+                case 2: stepper_out=0x2; break;
+                case 3: stepper_out=0x6; break;
+                case 4: stepper_out=0x4; break;
+                case 5: stepper_out=0x5; break;
+                case 6: stepper_out=0x8; break;
+                case 7: stepper_out=0x9; break;
+                default : stepper_out=0x0; break;
+                }
+            
+            if(dir) step++;else step--;
+            
+            if(step>7) step=0;
+            if(step<0) step=7;
+            wait(0.005) ;       //set speed of motor
+            }
+                
+            
+            
+            
+        
+        
+    }
+ }
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