ubitxv6/push_button.cpp
2020-04-25 12:00:19 -07:00

35 lines
778 B
C++

#include <Arduino.h>
#include "button_timing.h"
#include "pin_definitions.h"
#include "push_button.h"
bool IsButtonPressed()
{
//Button has a pullup, so it reads high normally,
//and reads low when pressed down
return !digitalRead(PIN_ENC_PUSH_BUTTON);
}
ButtonPress_e CheckTunerButton(){
if (!IsButtonPressed()){
return ButtonPress_e::NotPressed;
}
delay(DEBOUNCE_DELAY_MS);
if (!IsButtonPressed()){//debounce
return ButtonPress_e::NotPressed;
}
uint16_t down_time = 0;
while(IsButtonPressed() && (down_time < LONG_PRESS_TIME_MS)){
delay(LONG_PRESS_POLL_TIME_MS);
down_time += LONG_PRESS_POLL_TIME_MS;
}
if(down_time < LONG_PRESS_TIME_MS){
return ButtonPress_e::ShortPress;
}
else{
return ButtonPress_e::LongPress;
}
}