reading two buttons when are pressed

Dependencies:   Hotboards_buttons mbed

Files at this revision

API Documentation at this revision

Comitter:
RomanValenciaP
Date:
Mon Feb 29 20:55:31 2016 +0000
Commit message:
first release - recquires approval

Changed in this revision

Hotboards_buttons.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 6889ada60471 Hotboards_buttons.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Hotboards_buttons.lib	Mon Feb 29 20:55:31 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/Hotboards/code/Hotboards_buttons/#810519ce94bf
diff -r 000000000000 -r 6889ada60471 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 29 20:55:31 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;
+        }
+    }
+}
diff -r 000000000000 -r 6889ada60471 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Feb 29 20:55:31 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/252557024ec3
\ No newline at end of file