asking if the button is released
Dependencies: Hotboards_buttons mbed
Revision 0:6346669b34d4, committed 2016-02-29
- Comitter:
- RomanValenciaP
- Date:
- Mon Feb 29 20:56:59 2016 +0000
- Commit message:
- first release - recquires approval
Changed in this revision
diff -r 000000000000 -r 6346669b34d4 Hotboards_buttons.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Hotboards_buttons.lib Mon Feb 29 20:56:59 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/Hotboards/code/Hotboards_buttons/#810519ce94bf
diff -r 000000000000 -r 6346669b34d4 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Feb 29 20:56:59 2016 +0000 @@ -0,0 +1,33 @@ + +/* + * Toggle led ON pin PA_5 (LED1) when the button on pin PB_4 is released + */ + +#include "mbed.h" +#include "Hotboards_buttons.h" + +//Creates a single button object, when the button is pressed it gives you +//a LOW(0) value because it works with pull-ups. +Hotboards_buttons btn( PB_4 ); +//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) + if( btn.isReleased( ) ) + { + //Toggle led on the nucleo board + nucleoLed = !nucleoLed; + } + } +}
diff -r 000000000000 -r 6346669b34d4 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Feb 29 20:56:59 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/252557024ec3 \ No newline at end of file