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Kaleidoscope/debouncing.cpp

64 lines
971 B

#include <Arduino.h>
#include "debouncing.h"
// switch debouncing and status
boolean key_was_pressed (byte keyState)
{
if ( byte((keyState >> 4)) ^ B00001111 ) {
return false;
} else {
return true;
}
}
boolean key_was_not_pressed (byte keyState)
{
if ( byte((keyState >> 4)) ^ B00000000 ) {
return false;
} else {
return true;
}
}
boolean key_is_pressed (byte keyState)
{
if ( byte((keyState << 4)) ^ B11110000 ) {
return false;
} else {
return true;
}
}
boolean key_is_not_pressed (byte keyState)
{
if ( byte((keyState << 4)) ^ B00000000 ) {
return false;
} else {
return true;
}
}
boolean key_toggled_on(byte keyState)
{
if (key_is_pressed(keyState) && key_was_not_pressed(keyState)) {
return true;
} else {
return false;
}
}
boolean key_toggled_off(byte keyState)
{
if (key_was_pressed(keyState) && key_is_not_pressed(keyState)) {
return true;
} else {
return false;
}
}