Cortex Challenge Team / Mbed 2 deprecated DiscoveryF0-LED_and_Button

LED blinking using button on STM32F0 Discovery.

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 3:67e70777bc5d, committed 2015-05-12

Comitter:
Foxnec
Date:
Tue May 12 09:09:31 2015 +0000
Parent:
2:da8f8b14f387
Commit message:
Changes to comments

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Mon Mar 23 13:20:48 2015 +0000
+++ b/main.cpp	Tue May 12 09:09:31 2015 +0000
@@ -23,12 +23,12 @@
 /* Function prototypes -----------------------------------------------------------*/ 
 
 /* Variables ---------------------------------------------------------------------*/ 
-bool press = false;             // boolean value, where you can find if was the button pressed
+bool press = false;             // boolean value, says if was the button pressed
 
 //mbed - initialization of peripherals
-InterruptIn button(PA_0);       // inicialize button on STM32F0 discovery
-DigitalOut blue(PC_8);          // inicialize blue LED on STM32F0 discovery
-DigitalOut green(PC_9);         // inicialize green LED on STM32F0 discovery
+InterruptIn button(PA_0);       // initialize button on STM32F0 discovery
+DigitalOut blue(PC_8);          // initialize blue LED on STM32F0 discovery
+DigitalOut green(PC_9);         // initialize green LED on STM32F0 discovery
 
 /* Functions----------------------------------------------------------------------*/
  
@@ -41,7 +41,7 @@
 *******************************************************************************/ 
 void pressed()
 {
-    if (press == false){        // variable prees was false (button wasn't pressed yet)
+    if (press == false){        // variable press was false (button wasn't pressed yet)
         press = true;           // press is true (button was pressed)
     }else{                      // variable press was true
         press = false;          // press is false
@@ -61,17 +61,17 @@
     green=0;                    // green LED is on
     button.fall(&pressed);      // button was pressed, call function pressed
     
-    while (1) {                 // infinity loop
-        green = !green;         // inverse value of green LED
+    while (1) {                 // infinite loop
+        green = !green;         // inverts the value of green LED
         if (press == false){    // button wasn't pressed
-            blue=!green;        // value of blue LED is iverse to green LED
+            blue=!green;        // the value of blue LED is inverse to green LED
             wait(0.4);          // wait 400 ms
         }else{                  // button was pressed
-            blue=green;         // value of blue LED is same like value of green LED
+            blue=green;         // the value of blue LED is same like the value of green LED
             wait(0.2);          // wait 200 ms
-            green = !green;     // inverse value of green LED
+            green = !green;     // inverts value of green LED
             wait(0.2);          // wait 200 ms
-            green = !green;     // inverse value of green LED
+            green = !green;     // inverts value of green LED
             wait(0.2);          // wait 200 ms
         }
     }