Diff: main.cpp

Revision:

1:458a648ecbde

Parent:

0:b2a1f2577916

--- a/main.cpp	Wed Jan 31 20:17:00 2018 +0000
+++ b/main.cpp	Wed Jan 31 20:23:08 2018 +0000
@@ -1,12 +1,23 @@
-#include "mbed.h"
+#include "mbed.h" // import of mbed library (required)
 
-PwmOut PWM(PA_8);
+/*******************************************************************************
+
+  EXAMPLE DESCRIPTION
 
-int main() {
-    
+  Sets PWM out on pin PA_8 with f=2 Hz and duty cycle = 0.5. The best use is to 
+  connect LED to pin PA_8 (using wiring with transitor) to see effect of PWM.
+  
+*******************************************************************************/
+
+PwmOut PWM(PA_8); // definition of PWM pin
+
+int main()
+{
+
     PWM.period_ms(500); // period of PWM - f=1/T -> f=1/0.5=2 Hz
-    PWM.pulsewidth_ms(250); // duration of active pulse - sets duty cycle - duty cycle = pulsewidth/period
-    
+    PWM.pulsewidth_ms(250); // duration of active pulse
+                            //sets duty cycle - duty cycle = pulsewidth/period
+
     while(1) {
         wait_ms(1000);
     }