TheArchive/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2025-08-13 23:27:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

Long button press support (#1188)

Browse Source
This commit is contained in:
Mark Thompson
2023-06-25 04:32:37 -05:00
committed by GitHub
parent 199570d4a5
commit 407fee23b9
6 changed files with 112 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
firmware/application/hw/debounce.cpp
View File

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

16
firmware/application/hw/debounce.hpp
View File

@@ -31,25 +31,39 @@
// # of timer0 ticks before a held button starts being counted as repeated presses
#define REPEAT_INITIAL_DELAY 250
#define REPEAT_SUBSEQUENT_DELAY 92
#define LONG_PRESS_DELAY 1000
class Debounce {
public:
bool feed(const uint8_t bit);
uint8_t state() const {
return state_;
return (pulse_upon_release_) ? 0 : state_;
}
void enable_repeat() {
repeat_enabled_ = true;
}
void set_long_press_support(bool v) {
long_press_enabled_ = v;
}
bool long_press_occurred() {
bool v = long_press_occurred_;
long_press_occurred_ = false;
return v;
}
private:
uint8_t history_{0};
uint8_t state_{0};
bool repeat_enabled_{0};
uint16_t repeat_ctr_{0};
uint16_t held_time_{0};
bool pulse_upon_release_{0};
bool long_press_enabled_{0};
bool long_press_occurred_{0};
};
#endif /*__DEBOUNCE_H__*/