Diff: main.cpp

Revision:

3:14ba055f4bb7

Parent:

2:82d62dda5cc9

Child:

4:f229692e352f

diff -r 82d62dda5cc9 -r 14ba055f4bb7 main.cpp
--- a/main.cpp	Thu Mar 03 14:01:22 2016 +0000
+++ b/main.cpp	Thu Mar 24 14:55:06 2016 +0000
@@ -17,7 +17,7 @@
                     
 //setup pwm function               
     void buckpwm(int pwm){
-             if (pwm <=100) {
+             if (pwm <=500) {
                     buck.pulsewidth_ticks( pwm );
                                 } 
                             }
@@ -32,7 +32,7 @@
     boost.period_ticks (period_ticks); 
 //define duty cycle
  int duty1 = 10;
- int duty2 = 3;
+ int duty2 = 5;
     buckpwm(duty1);   
     boost.pulsewidth_us(duty2);
 //boostpwm(10);   
@@ -40,20 +40,25 @@
                buckpwm(duty1);   
                 boost.pulsewidth_us(duty2);
                //wait(1);
-               float sample1= analog0_value.read()*3500;
-               float sample2= analog1_value.read()*3500;
-                pc.printf("%.0f and %.0f duty1 %d \n\r  ", sample1,sample2,duty1);
-                if (duty1 >= 100 ) { // If the value is greater than 2V then switch the LED on
-                                  duty1 = 100;
+               float sample1= analog0_value.read()*3300;
+               float sample2= analog0_value.read()*3300;
+               float sample3= analog0_value.read()*3300;
+               float sample4= analog0_value.read()*3300;
+                float average;
+                average=(sample1+sample2+sample3+sample4)/4;
+               float sample5= analog1_value.read()*3500;
+            //pc.printf("%.0f and %.0f duty1 %d \n\r  ", average,sample5,duty1);
+                if (duty1 >= 500 ) { // setting duty cycle limits
+                                  duty1 = 500;
                                     }
-                if (duty1 <= 1 ) { // If the value is greater than 2V then switch the LED on
+                if (duty1 <= 1 ) { // setting duty cycle limits
                                   duty1 = 1;
                                     }
-                if (sample1 > 2000 ) { // If the value is greater than 2V then switch the LED on
-                                  duty1 = duty1-1;
+                if (average > 2000 ) { // If the value is greater than 7Mv increase the duty cycle
+                                  duty1 = duty1+1;
                                     }
-                if (sample1 < 2000 ) { // If the value is greater than 2V then switch the LED on
-                                  duty1 = duty1+1;
+                if (average < 2000 ) { //If the value is smaller than 7Mv decrease the duty cycle
+                                  duty1 = duty1-1;
                                     }
     }
 }