buttons.cpp

00001 #include <mbed.h>
00002 #include "buttons.h"
00003 #include "GeneralDebouncer.h"
00004 
00005 #define BUTTON_DEBOUNCE_TIME 20000
00006 
00007 DigitalIn button1(p13);
00008 
00009 GeneralDebouncer button1Debouncer(5000);
00010 
00011 void buttonsInit()
00012 {
00013     button1.mode(PullUp);
00014 }
00015 
00016 bool button1IsPressed()
00017 {
00018     return button1.read() == 0;
00019 }
00020 
00021 void button1Montior()
00022 {
00023     button1Debouncer.update(button1IsPressed());
00024 }
00025 
00026 bool button1DefinitelyInState(bool state)
00027 {
00028     button1Montior();
00029     return button1Debouncer.getState() == state &&
00030       button1Debouncer.getTimeInCurrentStateMicroseconds() > BUTTON_DEBOUNCE_TIME;
00031 }
00032 
00033 bool button1DefinitelyPressed()
00034 {
00035     return button1DefinitelyInState(true);
00036 }
00037 
00038 bool button1DefinitelyReleased()
00039 {
00040     return button1DefinitelyInState(false);
00041 }
00042 
00043