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Long button press support (#1188)
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parent
199570d4a5
commit
407fee23b9
6 changed files with 112 additions and 20 deletions
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@ -30,7 +30,7 @@ bool Debounce::feed(const uint8_t bit) {
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// "Repeat" handling - simulated button release
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if (repeat_ctr_) {
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// Make sure the button is still being held continuously
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if (history_ == 0xFF) {
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if ((history_ == 0xFF) && !long_press_enabled_) {
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// Simulate button press every REPEAT_SUBSEQUENT_DELAY ticks
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if (--repeat_ctr_ == 0) {
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state_ = !state_;
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@ -49,29 +49,59 @@ bool Debounce::feed(const uint8_t bit) {
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if ((history_ & DEBOUNCE_MASK) == DEBOUNCE_MASK) {
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state_ = 1;
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held_time_ = 0;
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// If long_press_enabled_, state() function masks the button press until it's released
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// or until LONG_PRESS_DELAY is reached
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if (long_press_enabled_) {
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pulse_upon_release_ = true;
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return false;
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}
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return true;
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}
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} else {
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// Previous button state was 1 (pressed);
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// Has button been released for DEBOUNCE_COUNT ticks?
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if ((history_ & DEBOUNCE_MASK) == 0) {
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state_ = 0;
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// Button has been released when long_press_enabled_ and before LONG_PRESS_DELAY was reached;
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// allow state() function to finally return a single press indication
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// (in long press mode, apps won't see button press until the button is released)
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if (pulse_upon_release_) {
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// leaving state_==1 for one cycle
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pulse_upon_release_ = 0;
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} else {
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state_ = 0;
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}
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// Reset long_press_occurred_ flag after button is released
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long_press_occurred_ = false;
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return true;
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}
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// Repeat support is limited to the 4 directional buttons
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if (repeat_enabled_) {
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// Has button been held continuously for DEBOUNCE_REPEAT_DELAY?
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if (history_ == 0xFF) {
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if (++held_time_ == REPEAT_INITIAL_DELAY) {
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// Has button been held continuously?
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if (history_ == 0xFF) {
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held_time_++;
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if (pulse_upon_release_) {
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// Button is being held down and long_press support is enabled for this key:
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// if LONG_PRESS_DELAY is reached then finally report that switch is pressed and set flag
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// indicating it was a LONG press
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// (note that repease_support and long_press support are mutually exclusive)
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if (held_time_ == LONG_PRESS_DELAY) {
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long_press_occurred_ = true;
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pulse_upon_release_ = 0;
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held_time_ = 0;
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return true;
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}
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} else if (repeat_enabled_ && !long_press_enabled_) {
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// Repeat support -- 4 directional buttons only (unless long_press is enabled)
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if (held_time_ == REPEAT_INITIAL_DELAY) {
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// Delay reached; trigger repeat code on NEXT tick
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repeat_ctr_ = 1;
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held_time_ = 0;
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}
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} else {
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// Button not continuously pressed; reset counter
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held_time_ = 0;
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}
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} else {
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// Button not continuously pressed; reset counter
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held_time_ = 0;
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}
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}
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return false;
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