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Update encoder to better handle press rotate and use button subclass.

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This commit is contained in:
Adam Wonak
2025-05-23 17:12:31 -07:00
parent 9ed9e01966
commit efd569e4df
1 changed files with 17 additions and 26 deletions
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43
encoder_dir.h
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@ -30,6 +30,7 @@ class EncoderDir {
RotateCallbackFunction on_press_rotate;
RotateCallbackFunction on_rotate;
int change;
Direction dir;
public:
EncoderDir() : encoder_(ENCODER_PIN1, ENCODER_PIN2, RotaryEncoder::LatchMode::FOUR3),
@ -41,7 +42,7 @@ class EncoderDir {
reversed_ = reversed;
}
void AttachPressHandler(CallbackFunction f) {
button_.AttachPressHandler(f);
on_press = f;
}
void AttachRotateHandler(RotateCallbackFunction f) {
@ -52,18 +53,6 @@ class EncoderDir {
on_press_rotate = f;
}
void OnRotate() {
if (on_rotate != NULL) {
on_rotate(RotateDirection(), change);
}
}
void OnPressRotate() {
if (on_press_rotate != NULL) {
on_press_rotate(RotateDirection(), change);
}
}
// Parse EncoderButton increment direction.
Direction RotateDirection() {
int dir = (int)(encoder_.getDirection());
@ -71,23 +60,24 @@ class EncoderDir {
}
void Process() {
// Get encoder position change amount.
int encoder_rotated = _rotate_change() != 0;
bool button_pressed = button_.On();
button_.Process();
int change = _rotate_change();
// Handle encoder position change and button press.
if (button_.On() && change != 0) {
OnPressRotate();
rotated_while_held = true;
} else if (button_.Change() == Button::CHANGE_RELEASED && !rotated_while_held) {
button_.OnPress();
if (button_pressed && encoder_rotated) {
rotated_while_held_ = true;
if (on_press_rotate != NULL) on_press_rotate(dir, change);
} else if (!button_pressed && encoder_rotated) {
if (on_rotate != NULL) on_rotate(dir, change);
} else if (button_.Change() == Button::CHANGE_RELEASED && !rotated_while_held_) {
if (on_press != NULL) on_press();
}
if (button_.Change() == Button::CHANGE_RELEASED) {
rotated_while_held = false;
}
if (change != 0 && !button_.On()) {
OnRotate();
// Reset rotate while held state.
if (button_.Change() == Button::CHANGE_RELEASED && rotated_while_held_) {
rotated_while_held_ = false;
}
}
@ -98,10 +88,10 @@ class EncoderDir {
private:
int previous_pos_;
bool rotated_while_held_;
bool reversed_ = true;
RotaryEncoder encoder_;
Button button_;
bool rotated_while_held;
// Return the number of ticks change since last polled.
int _rotate_change() {
@ -116,6 +106,7 @@ class EncoderDir {
// Update state variables.
change = position - previous_pos_;
previous_pos_ = position;
dir = RotateDirection();
// Encoder rotate acceleration.
if (ms < 16) {