RAK WisBlock RAK13002, Quick Start Manual

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3. Then select the right Serial Port and upload the code, as shown in Figure 19 and Figure 20.
/*
* Reading Long Press and Short Press on a Button using RAK13002
*
*/
// constants won't change. They're used here to set pin numbers:
const int BUTTON_PIN = WB_IO1 ; // the number of the pushbutton pin
const int SHORT_PRESS_TIME = 500 ; // 500 milliseconds
// Variables will change:
int lastState = LOW ; // the previous state from the input pin
int currentState ; // the current reading from the input pin
unsigned long pressedTime = 0 ;
unsigned long releasedTime = 0 ;
void setup () {
Serial . begin ( 9600 );
pinMode ( BUTTON_PIN , INPUT_PULLUP );
}
void loop () {
// read the state of the switch/button:
currentState = digitalRead ( BUTTON_PIN );
if ( lastState == HIGH && currentState == LOW ) // button is pressed
pressedTime = millis ();
else if ( lastState == LOW && currentState == HIGH ) { // button is released
releasedTime = millis ();
long pressDuration = releasedTime - pressedTime ;
if ( pressDuration < SHORT_PRESS_TIME )
Serial . println ( "A short press is detected" );
}
// save the the last state
lastState = currentState ;
}
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