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Initial physical button mapping implementation #4

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Nik Rozman
2026-03-03 11:44:38 +01:00
parent dcc50150b8
commit 5c36aa041e
8 changed files with 321 additions and 33 deletions
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source/buttons.cpp Normal file
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#include "buttons.h"
#ifdef FEATURE_PHYSICAL_BUTTONS
#include <bluefruit.h>
extern BLEHidAdafruit blehid;
static uint8_t physBtnMask = 0; // bitmask of currently-pressed physical buttons
// ─── Setup ────────────────────────────────────────────────────────────────────
void setupPhysicalButtons() {
// Release any held physical buttons before reconfiguring
if (physBtnMask && Bluefruit.connected()) { blehid.mouseButtonRelease(); }
physBtnMask = 0;
if (cfg.btnLeftPin != BTN_PIN_NONE) pinMode(cfg.btnLeftPin, INPUT_PULLUP);
if (cfg.btnRightPin != BTN_PIN_NONE) pinMode(cfg.btnRightPin, INPUT_PULLUP);
if (cfg.btnMiddlePin != BTN_PIN_NONE) pinMode(cfg.btnMiddlePin, INPUT_PULLUP);
bool any = (cfg.btnLeftPin != BTN_PIN_NONE) || (cfg.btnRightPin != BTN_PIN_NONE)
|| (cfg.btnMiddlePin != BTN_PIN_NONE);
if (any) {
Serial.print("[BTN] L=");
cfg.btnLeftPin == BTN_PIN_NONE ? Serial.print("--") : Serial.print(cfg.btnLeftPin);
Serial.print(" R=");
cfg.btnRightPin == BTN_PIN_NONE ? Serial.print("--") : Serial.print(cfg.btnRightPin);
Serial.print(" M=");
cfg.btnMiddlePin == BTN_PIN_NONE ? Serial.print("--") : Serial.print(cfg.btnMiddlePin);
Serial.println();
}
}
// ─── Poll and report ──────────────────────────────────────────────────────────
// Called every loop iteration (before rate limiter) for immediate response.
// Uses active-low logic: INPUT_PULLUP, button connects pin to GND.
void processPhysicalButtons() {
if (!Bluefruit.connected()) return;
uint8_t newMask = 0;
if (cfg.btnLeftPin != BTN_PIN_NONE && digitalRead(cfg.btnLeftPin) == LOW) newMask |= MOUSE_BUTTON_LEFT;
if (cfg.btnRightPin != BTN_PIN_NONE && digitalRead(cfg.btnRightPin) == LOW) newMask |= MOUSE_BUTTON_RIGHT;
if (cfg.btnMiddlePin != BTN_PIN_NONE && digitalRead(cfg.btnMiddlePin) == LOW) newMask |= MOUSE_BUTTON_MIDDLE;
if (newMask != physBtnMask) {
physBtnMask = newMask;
if (physBtnMask) blehid.mouseButtonPress(physBtnMask);
else blehid.mouseButtonRelease();
Serial.print("[BTN] mask=0x"); Serial.println(physBtnMask, HEX);
}
}
#endif // FEATURE_PHYSICAL_BUTTONS