65 lines
2.7 KiB
C++
65 lines
2.7 KiB
C++
#include "buttons.h"
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#ifdef FEATURE_PHYSICAL_BUTTONS
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#include <bluefruit.h>
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extern BLEHidAdafruit blehid;
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static uint8_t physBtnMask = 0;
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static uint8_t rawMaskPrev = 0;
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static unsigned long debounceMs = 0;
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static const unsigned long DEBOUNCE_MS = 20;
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// Setup
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void setupPhysicalButtons() {
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// Release any held physical buttons before reconfiguring
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if (physBtnMask && Bluefruit.connected()) { blehid.mouseButtonRelease(); }
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physBtnMask = 0;
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if (BTN_LEFT_PIN != BTN_PIN_NONE) pinMode(BTN_LEFT_PIN, INPUT_PULLUP);
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if (BTN_RIGHT_PIN != BTN_PIN_NONE) pinMode(BTN_RIGHT_PIN, INPUT_PULLUP);
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if (BTN_MIDDLE_PIN != BTN_PIN_NONE) pinMode(BTN_MIDDLE_PIN, INPUT_PULLUP);
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bool any = (BTN_LEFT_PIN != BTN_PIN_NONE) || (BTN_RIGHT_PIN != BTN_PIN_NONE)
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|| (BTN_MIDDLE_PIN != BTN_PIN_NONE);
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if (any) {
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Serial.print("[BTN] L=");
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BTN_LEFT_PIN == BTN_PIN_NONE ? Serial.print("--") : Serial.print(BTN_LEFT_PIN);
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Serial.print(" R=");
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BTN_RIGHT_PIN == BTN_PIN_NONE ? Serial.print("--") : Serial.print(BTN_RIGHT_PIN);
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Serial.print(" M=");
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BTN_MIDDLE_PIN == BTN_PIN_NONE ? Serial.print("--") : Serial.print(BTN_MIDDLE_PIN);
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Serial.println();
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}
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}
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// Poll and report
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// Called every loop iteration (before rate limiter) for immediate response.
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// Uses active-low logic: INPUT_PULLUP, button connects pin to GND.
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void processPhysicalButtons() {
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if (!Bluefruit.connected()) return;
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uint8_t rawMask = 0;
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if (BTN_LEFT_PIN != BTN_PIN_NONE && digitalRead(BTN_LEFT_PIN) == LOW) rawMask |= MOUSE_BUTTON_LEFT;
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if (BTN_RIGHT_PIN != BTN_PIN_NONE && digitalRead(BTN_RIGHT_PIN) == LOW) rawMask |= MOUSE_BUTTON_RIGHT;
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if (BTN_MIDDLE_PIN != BTN_PIN_NONE && digitalRead(BTN_MIDDLE_PIN) == LOW) rawMask |= MOUSE_BUTTON_MIDDLE;
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if (rawMask != rawMaskPrev) { rawMaskPrev = rawMask; debounceMs = millis(); }
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if (rawMask != physBtnMask && (millis() - debounceMs >= DEBOUNCE_MS)) {
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uint8_t newMask = rawMask;
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uint8_t pressed = newMask & ~physBtnMask; // bits that just went down
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uint8_t released = physBtnMask & ~newMask; // bits that just went up
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physBtnMask = newMask;
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if (physBtnMask) blehid.mouseButtonPress(physBtnMask);
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else blehid.mouseButtonRelease();
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if (pressed & MOUSE_BUTTON_LEFT) Serial.println("[BTN] L press");
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if (pressed & MOUSE_BUTTON_RIGHT) Serial.println("[BTN] R press");
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if (pressed & MOUSE_BUTTON_MIDDLE) Serial.println("[BTN] M press");
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if (released & MOUSE_BUTTON_LEFT) Serial.println("[BTN] L release");
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if (released & MOUSE_BUTTON_RIGHT) Serial.println("[BTN] R release");
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if (released & MOUSE_BUTTON_MIDDLE) Serial.println("[BTN] M release");
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}
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}
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#endif // FEATURE_PHYSICAL_BUTTONS
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