Diff: main.cpp

Revision:

0:d4dcc34bba2a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 03 20:14:08 2016 +0000
@@ -0,0 +1,42 @@
+
+/*
+ * Turn ON a led on pin PA_5 (LED1) if the button on pin PB_4 is pressed, then
+ * turn it OFF if the button on pin PB_10 is pressed
+ */
+ 
+#include "mbed.h"
+#include "Hotboards_buttons.h"
+
+//Creates two single button objects, when the button is pressed it gives you
+//a LOW(0) value because it works with pull-ups.
+Hotboards_buttons btn1( PB_4 );
+Hotboards_buttons btn2( PB_10 );
+//If your buttons gives you a HIGH(1) value when is pressed, then we need
+//to create the button object with and extra parameter:
+//Hotboards_buttons btn( PB_4 , 1 ); in any case the functions will return
+//a HIGH(1) value any time the button is pressed
+
+//To our example we will use the led on the nucleo board
+DigitalOut nucleoLed( LED1 );
+
+int main()
+{
+    while(1)
+    {
+        //The moment when the button is released the function will return a HIGH(1)
+        //value, it doesn`t matter if your button is configured with pull-ups(LOW)
+        //or pull-downs(HIGH)
+        
+        //Turn ON the led on the nucleo board when button 1 is pressed
+        if( btn1.isPressed( ) )
+        {
+            nucleoLed = 1;
+        }
+        
+        //Turn OFF the led on the nucleo board when button 2 is presed
+        if( btn2.isPressed( ) )
+        {
+            nucleoLed = 0;
+        }
+    }
+}
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