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Double click support

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Nik Rozman
2026-03-24 23:39:06 +01:00
parent a7082c9022
commit 4aa369ca73
2 changed files with 38 additions and 6 deletions
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42
source/buttons.cpp
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@@ -4,12 +4,19 @@
#include <bluefruit.h>
extern BLEHidAdafruit blehid;
extern Config cfg;
static uint8_t physBtnMask = 0;
static uint8_t rawMaskPrev = 0;
static unsigned long debounceMs = 0;
static const unsigned long DEBOUNCE_MS = 20;
// Double-press detection for left button
static const unsigned long DOUBLE_PRESS_MS = 400; // max gap between two releases
static const unsigned long KEY_HOLD_MS = 60; // how long to hold the key down
static unsigned long lastLeftReleaseMs = 0;
static unsigned long keyDownUntil = 0;
// Setup
void setupPhysicalButtons() {
// Release any held physical buttons before reconfiguring
@@ -39,23 +46,48 @@ void setupPhysicalButtons() {
void processPhysicalButtons() {
if (!Bluefruit.connected()) return;
unsigned long now = millis();
// Release held key combo after KEY_HOLD_MS
if (keyDownUntil && now >= keyDownUntil) {
uint8_t noKeys[6] = {};
blehid.keyboardReport(0, noKeys);
keyDownUntil = 0;
Serial.println("[BTN] key release");
}
uint8_t rawMask = 0;
if (BTN_LEFT_PIN != BTN_PIN_NONE && digitalRead(BTN_LEFT_PIN) == LOW) rawMask |= MOUSE_BUTTON_LEFT;
if (BTN_RIGHT_PIN != BTN_PIN_NONE && digitalRead(BTN_RIGHT_PIN) == LOW) rawMask |= MOUSE_BUTTON_RIGHT;
if (BTN_MIDDLE_PIN != BTN_PIN_NONE && digitalRead(BTN_MIDDLE_PIN) == LOW) rawMask |= MOUSE_BUTTON_MIDDLE;
if (rawMask != rawMaskPrev) { rawMaskPrev = rawMask; debounceMs = millis(); }
if (rawMask != physBtnMask && (millis() - debounceMs >= DEBOUNCE_MS)) {
if (rawMask != rawMaskPrev) { rawMaskPrev = rawMask; debounceMs = now; }
if (rawMask != physBtnMask && (now - debounceMs >= DEBOUNCE_MS)) {
uint8_t newMask = rawMask;
uint8_t pressed = newMask & ~physBtnMask; // bits that just went down
uint8_t released = physBtnMask & ~newMask; // bits that just went up
uint8_t pressed = newMask & ~physBtnMask;
uint8_t released = physBtnMask & ~newMask;
physBtnMask = newMask;
if (physBtnMask) blehid.mouseButtonPress(physBtnMask);
else blehid.mouseButtonRelease();
if (pressed & MOUSE_BUTTON_LEFT) Serial.println("[BTN] L press");
if (pressed & MOUSE_BUTTON_RIGHT) Serial.println("[BTN] R press");
if (pressed & MOUSE_BUTTON_MIDDLE) Serial.println("[BTN] M press");
if (released & MOUSE_BUTTON_LEFT) Serial.println("[BTN] L release");
if (released & MOUSE_BUTTON_LEFT) {
unsigned long gap = lastLeftReleaseMs ? (now - lastLeftReleaseMs) : 0;
Serial.print("[BTN] L release - gap="); Serial.print(gap);
Serial.print("ms (max="); Serial.print(DOUBLE_PRESS_MS); Serial.println("ms)");
// Double-press detection: two short presses → fire key combo
if (lastLeftReleaseMs && (gap <= DOUBLE_PRESS_MS)) {
uint8_t keys[6] = {cfg.tapKey, 0, 0, 0, 0, 0};
blehid.keyboardReport(cfg.tapMod, keys);
keyDownUntil = now + KEY_HOLD_MS;
lastLeftReleaseMs = 0;
Serial.print("[BTN] Double-press → key 0x"); Serial.print(cfg.tapKey, HEX);
Serial.print(" mod 0x"); Serial.println(cfg.tapMod, HEX);
} else {
lastLeftReleaseMs = now;
}
}
if (released & MOUSE_BUTTON_RIGHT) Serial.println("[BTN] R release");
if (released & MOUSE_BUTTON_MIDDLE) Serial.println("[BTN] M release");
}

2
source/main.cpp
View File

@@ -45,7 +45,7 @@ File cfgFile(InternalFS);
Config cfg;
const Config CFG_DEFAULTS = {
CONFIG_MAGIC, 600.0f, 0.060f, 0.08f, CURVE_LINEAR, 0x00, CHARGE_SLOW,
/*tapThreshold=*/12, /*tapAction=*/TAP_ACTION_LEFT, /*tapKey=*/0, /*tapMod=*/0,
/*tapThreshold=*/12, /*tapAction=*/TAP_ACTION_KEY, /*tapKey=*/0x04, /*tapMod=*/0x03, // Ctrl+Shift+A
/*jerkThreshold=*/2000.0f, /*tapFreezeEnabled=*/1, /*featureFlags=*/FLAG_ALL_DEFAULT
};