Buttons.cpp

00001 #include "devices.h"
00002 #include "Buttons.h"
00003 
00004 //PinDetect nextButton(BUTTONNEXT);
00005 //PinDetect selectButton(BUTTONSELECT);            // Input selectButton
00006 //PinDetect prevButton(BUTTONPREV);
00007 
00008 Buttons::Buttons(void): 
00009     which(0), pressed(false)
00010 {
00011 }
00012 
00013 void Buttons::init()
00014 {
00015 /*
00016     // Set up button (plugs into two GPIOs, active low
00017     selectButton.mode(PullUp);
00018     selectButton.setSamplesTillAssert(50);
00019     selectButton.setAssertValue(0); // active low logic
00020     selectButton.setSampleFrequency(50); // us
00021     selectButton.attach_asserted( this, &Buttons::selectPressed );
00022     
00023     nextButton.mode(PullUp);
00024     nextButton.setSamplesTillAssert(50);
00025     nextButton.setAssertValue(0); // active low logic
00026     nextButton.setSampleFrequency(50); // us
00027     nextButton.attach_asserted( this, &Buttons::nextPressed );
00028 
00029     prevButton.mode(PullUp);
00030     prevButton.setSamplesTillAssert(50);
00031     prevButton.setAssertValue(0); // active low logic
00032     prevButton.setSampleFrequency(50); // us
00033     prevButton.attach_asserted( this, &Buttons::prevPressed );
00034 */
00035 }
00036 
00037 void Buttons::nextPressed() 
00038 {
00039     pressed = true;
00040     which = NEXT_BUTTON;
00041 }
00042 
00043 void Buttons::prevPressed() 
00044 {
00045     pressed = true;
00046     which = PREV_BUTTON;
00047 }
00048 
00049 void Buttons::selectPressed()
00050 {
00051     pressed = true;
00052     which = SELECT_BUTTON;
00053 }