-
Notifications
You must be signed in to change notification settings - Fork 0
/
HoldButton.cpp
46 lines (39 loc) · 1.26 KB
/
HoldButton.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
#include "HoldButton.h"
HoldButton::HoldButton(byte pin, bool pullup, unsigned long hold_duration, Callback hold_callback = NULL, Callback release_callback = NULL, int debounce_delay = 50) {
pinMode(pin, (pullup ? INPUT_PULLUP : INPUT));
this->pin = pin;
this->pressed_mode = pullup;
this->hold_duration = hold_duration;
this->debounce_delay = debounce_delay;
this->hold_callback = hold_callback;
this->release_callback = release_callback;
}
void HoldButton::update() {
bool state = is_pressed();
unsigned long t = millis();
if (last_state != state) {
last_debounce = t;
last_state = state;
}
unsigned long delta = t - last_debounce;
if (delta >= debounce_delay) {
if (state != debounced_state) {
debounced_state = state;
if (state && (delta >= hold_duration)) {
hold_callback();
}
else if (!state) {
release_callback();
}
}
}
}
bool HoldButton::is_pressed() {
return digitalRead(pin) ^ pressed_mode;
}
void HoldButton::set_hold_callback(Callback callback) {
this->hold_callback = callback;
}
void HoldButton::set_release_callback(Callback callback) {
this->release_callback = callback;
}