Diff: main.cpp

Revision:

1:9f6f3af9aaaa

Parent:

0:293359e38af0

Child:

2:1f9267d3f3f4

--- a/main.cpp	Sat Aug 12 19:40:37 2017 +0000
+++ b/main.cpp	Wed Sep 13 18:59:14 2017 +0000
@@ -4,19 +4,14 @@
  
   This example code is in the public domain.
 */
- 
 //  #include is a directive that "pastes" a file into your code.
 //  Use this specific #include at the beginning of each mbed program.
 //  mbed.h contains/points to the full definitions of our simple statements.
-
 #include "mbed.h"
- 
 //  Define the object board_LED to be a digital output connected to LED1,
-//  which is the little green LED on the Nucleo board.
-
+//  which is the little green LED built into the Nucleo board.
 DigitalOut board_LED(LED1);
-
-/*  The "main" function defines your main program--it executes as soon as
+/*  The "main" function defines your main program -- it executes as soon as
     you program the board.
  
     Functions can return (compute and give back) a value.  The main function
@@ -24,21 +19,16 @@
     
     Functions can also accept inputs.  The main function cannot however, so
     its round parentheses are empty.
-*/
-      
+*/  
 int main() {   // This curly brace marks the beginning of the main function.
-
     // while() will repeat a set of actions as long as the statement inside
-    // its round parentheses is true.  1 is the definition of true, so
-    // while(1) repeats forever.
-    
-    while(1) {   // This curly brace marks the beginning of the repeated actions.
+    // its round parentheses is true. 1 is the definition of true, so
+    // while(1) and while(true) repeat forever. 
+    while(true) {   // This curly brace marks the start of the repeated actions.
     
         board_LED = 1;  // Turn on LED by storing a 1 in board_LED.
-        wait(0.5);      // wait() will pause for a given number of seconds.
+        wait(0.5);      // wait(x) will pause for a given number of seconds.
         board_LED = 0;  // Turn off LED by storing a 0 in board_LED.
         wait(0.5);      // wait another 1/2 second.
-    
-    }  // end of repeated actions
-    
+    }  // end of repeated actions  
 }  // end of main function
\ No newline at end of file