diff --git a/source/ble_config.cpp b/source/ble_config.cpp
index abcf1db..690f968 100644
--- a/source/ble_config.cpp
+++ b/source/ble_config.cpp
@@ -77,9 +77,6 @@ void pushConfigBlob() {
b.tapFreezeEnabled = cfg.tapFreezeEnabled;
b.jerkThreshold = cfg.jerkThreshold;
b.featureFlags = cfg.featureFlags;
- b.btnLeftPin = cfg.btnLeftPin;
- b.btnRightPin = cfg.btnRightPin;
- b.btnMiddlePin = cfg.btnMiddlePin;
cfgBlob.write((uint8_t*)&b, sizeof(b));
}
#endif
@@ -125,13 +122,6 @@ void onConfigBlobWrite(uint16_t h, BLECharacteristic* c, uint8_t* d, uint16_t l)
cfg.tapFreezeEnabled = b->tapFreezeEnabled ? 1 : 0;
if (b->jerkThreshold >= 100.0f && b->jerkThreshold <= 50000.0f) cfg.jerkThreshold = b->jerkThreshold;
cfg.featureFlags = b->featureFlags & (FLAG_TAP_ENABLED | FLAG_TEMP_COMP_ENABLED | FLAG_AUTO_RECAL_ENABLED);
- // btnXPin: accept BTN_PIN_NONE (0xFF) or a valid Arduino pin number (0-10 = D0-D10)
- cfg.btnLeftPin = (b->btnLeftPin <= 10 || b->btnLeftPin == BTN_PIN_NONE) ? b->btnLeftPin : BTN_PIN_NONE;
- cfg.btnRightPin = (b->btnRightPin <= 10 || b->btnRightPin == BTN_PIN_NONE) ? b->btnRightPin : BTN_PIN_NONE;
- cfg.btnMiddlePin = (b->btnMiddlePin <= 10 || b->btnMiddlePin == BTN_PIN_NONE) ? b->btnMiddlePin : BTN_PIN_NONE;
- #ifdef FEATURE_PHYSICAL_BUTTONS
- setupPhysicalButtons(); // reconfigure pins immediately (no restart needed)
- #endif
saveConfig();
Serial.print("[CFG] Written - sens="); Serial.print(cfg.sensitivity,0);
Serial.print(" dz="); Serial.print(cfg.deadZone,3);
diff --git a/source/buttons.cpp b/source/buttons.cpp
index 3af0ef2..1153c4f 100644
--- a/source/buttons.cpp
+++ b/source/buttons.cpp
@@ -13,19 +13,19 @@ void setupPhysicalButtons() {
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);
+ if (BTN_LEFT_PIN != BTN_PIN_NONE) pinMode(BTN_LEFT_PIN, INPUT_PULLUP);
+ if (BTN_RIGHT_PIN != BTN_PIN_NONE) pinMode(BTN_RIGHT_PIN, INPUT_PULLUP);
+ if (BTN_MIDDLE_PIN != BTN_PIN_NONE) pinMode(BTN_MIDDLE_PIN, INPUT_PULLUP);
- bool any = (cfg.btnLeftPin != BTN_PIN_NONE) || (cfg.btnRightPin != BTN_PIN_NONE)
- || (cfg.btnMiddlePin != BTN_PIN_NONE);
+ bool any = (BTN_LEFT_PIN != BTN_PIN_NONE) || (BTN_RIGHT_PIN != BTN_PIN_NONE)
+ || (BTN_MIDDLE_PIN != BTN_PIN_NONE);
if (any) {
Serial.print("[BTN] L=");
- cfg.btnLeftPin == BTN_PIN_NONE ? Serial.print("--") : Serial.print(cfg.btnLeftPin);
+ BTN_LEFT_PIN == BTN_PIN_NONE ? Serial.print("--") : Serial.print(BTN_LEFT_PIN);
Serial.print(" R=");
- cfg.btnRightPin == BTN_PIN_NONE ? Serial.print("--") : Serial.print(cfg.btnRightPin);
+ BTN_RIGHT_PIN == BTN_PIN_NONE ? Serial.print("--") : Serial.print(BTN_RIGHT_PIN);
Serial.print(" M=");
- cfg.btnMiddlePin == BTN_PIN_NONE ? Serial.print("--") : Serial.print(cfg.btnMiddlePin);
+ BTN_MIDDLE_PIN == BTN_PIN_NONE ? Serial.print("--") : Serial.print(BTN_MIDDLE_PIN);
Serial.println();
}
}
@@ -37,9 +37,9 @@ 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 (BTN_LEFT_PIN != BTN_PIN_NONE && digitalRead(BTN_LEFT_PIN) == LOW) newMask |= MOUSE_BUTTON_LEFT;
+ if (BTN_RIGHT_PIN != BTN_PIN_NONE && digitalRead(BTN_RIGHT_PIN) == LOW) newMask |= MOUSE_BUTTON_RIGHT;
+ if (BTN_MIDDLE_PIN != BTN_PIN_NONE && digitalRead(BTN_MIDDLE_PIN) == LOW) newMask |= MOUSE_BUTTON_MIDDLE;
if (newMask != physBtnMask) {
physBtnMask = newMask;
diff --git a/source/config.h b/source/config.h
index b0999fa..8ee2bb7 100644
--- a/source/config.h
+++ b/source/config.h
@@ -56,8 +56,12 @@
#define CONFIG_FILENAME "/imu_mouse_cfg.bin"
#define CONFIG_MAGIC 0xDEAD123EUL
-// Physical button sentinel
-#define BTN_PIN_NONE 0xFF // Stored in btn*Pin when that button is disabled
+// Physical button pin assignments (hardcoded - set to 0xFF to disable a button)
+// Valid pin numbers: 0-10 (Arduino D0-D10 on XIAO nRF52840 Sense)
+#define BTN_PIN_NONE 0xFF
+#define BTN_LEFT_PIN BTN_PIN_NONE // e.g. 0 for D0
+#define BTN_RIGHT_PIN BTN_PIN_NONE // e.g. 1 for D1
+#define BTN_MIDDLE_PIN BTN_PIN_NONE // e.g. 2 for D2
// Runtime feature-override flags (cfg.featureFlags bitmask)
// These mirror the compile-time FEATURE_* defines but can be toggled at runtime
@@ -98,9 +102,6 @@ struct Config {
float jerkThreshold; // jerk² threshold for tap-freeze detection
uint8_t tapFreezeEnabled; // 1 = enable jerk-based cursor freeze during taps
uint8_t featureFlags; // bitmask of FLAG_* - runtime feature overrides
- uint8_t btnLeftPin; // BTN_PIN_NONE or Arduino pin number (0-10 = D0-D10)
- uint8_t btnRightPin;
- uint8_t btnMiddlePin;
};
extern Config cfg;
extern const Config CFG_DEFAULTS;
@@ -120,11 +121,8 @@ struct __attribute__((packed)) ConfigBlob {
uint8_t tapFreezeEnabled; // [19] 1 = enable jerk-based cursor freeze during taps
float jerkThreshold; // [20] jerk² tap-freeze threshold
uint8_t featureFlags; // [24] FLAG_* bitmask - runtime feature overrides
- uint8_t btnLeftPin; // [25] BTN_PIN_NONE or Arduino pin (0-10 = D0-D10)
- uint8_t btnRightPin; // [26]
- uint8_t btnMiddlePin; // [27]
};
-static_assert(sizeof(ConfigBlob) == 28, "ConfigBlob must be 28 bytes");
+static_assert(sizeof(ConfigBlob) == 25, "ConfigBlob must be 25 bytes");
// TelemetryPacket (24 bytes)
#ifdef FEATURE_TELEMETRY
diff --git a/source/main.cpp b/source/main.cpp
index 8791ff3..98fc830 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -47,8 +47,7 @@ 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,
- /*jerkThreshold=*/2000.0f, /*tapFreezeEnabled=*/1, /*featureFlags=*/FLAG_ALL_DEFAULT,
- /*btnLeftPin=*/BTN_PIN_NONE, /*btnRightPin=*/BTN_PIN_NONE, /*btnMiddlePin=*/BTN_PIN_NONE
+ /*jerkThreshold=*/2000.0f, /*tapFreezeEnabled=*/1, /*featureFlags=*/FLAG_ALL_DEFAULT
};
// Telemetry definition
diff --git a/web/app.js b/web/app.js
index f9cb1c6..3f369ab 100644
--- a/web/app.js
+++ b/web/app.js
@@ -19,7 +19,7 @@ const FLAG_ALL_DEFAULT = FLAG_TAP_ENABLED | FLAG_TEMP_COMP_ENABLED | FLAG
const config = { sensitivity:600, deadZone:0.06, accelStrength:0.08, curve:0, axisFlip:0, chargeMode:0,
tapThreshold:12, tapAction:0, tapKey:0, tapMod:0, tapFreezeEnabled:1, jerkThreshold:2000,
featureFlags:FLAG_ALL_DEFAULT,
- btnLeftPin:0xFF, btnRightPin:0xFF, btnMiddlePin:0xFF };
+ };
let device=null, server=null, chars={}, userDisconnected=false;
let currentChargeStatus=0, currentBattPct=null, currentBattVoltage=null;
@@ -247,13 +247,6 @@ async function readConfigBlob() {
} else {
config.featureFlags = FLAG_ALL_DEFAULT; // old firmware - assume all on
}
- if (view.byteLength >= 28) {
- config.btnLeftPin = view.getUint8(25);
- config.btnRightPin = view.getUint8(26);
- config.btnMiddlePin = view.getUint8(27);
- } else {
- config.btnLeftPin = config.btnRightPin = config.btnMiddlePin = 0xFF; // disabled
- }
applyConfigToUI();
log(`Config loaded - sens=${config.sensitivity.toFixed(0)} dz=${config.deadZone.toFixed(3)} tapThr=${config.tapThreshold}`,'ok');
} catch(e) { log(`Config read error: ${e.message}`,'err'); }
@@ -285,38 +278,8 @@ function applyConfigToUI() {
document.getElementById('capTapEnabled').checked = !!(config.featureFlags & FLAG_TAP_ENABLED);
document.getElementById('capTempComp').checked = !!(config.featureFlags & FLAG_TEMP_COMP_ENABLED);
document.getElementById('capAutoRecal').checked = !!(config.featureFlags & FLAG_AUTO_RECAL_ENABLED);
- document.getElementById('btnLeftPin').value = config.btnLeftPin;
- document.getElementById('btnRightPin').value = config.btnRightPin;
- document.getElementById('btnMiddlePin').value = config.btnMiddlePin;
- updatePinDiagram();
}
-// XIAO pin diagram
-function updatePinDiagram() {
- const st = getComputedStyle(document.documentElement);
- const COL_L = st.getPropertyValue('--ok').trim();
- const COL_R = st.getPropertyValue('--accent2').trim();
- const COL_M = st.getPropertyValue('--accent').trim();
- const DEF_F = '#0c1828', DEF_S = '#162234';
-
- for (let i = 0; i <= 10; i++) {
- const el = document.getElementById(`xiaoPin${i}`);
- if (el) { el.setAttribute('fill', DEF_F); el.setAttribute('stroke', DEF_S); }
- }
-
- const apply = (pin, col) => {
- if (pin > 10) return;
- const el = document.getElementById(`xiaoPin${pin}`);
- if (el) { el.setAttribute('fill', col); el.setAttribute('stroke', col); }
- };
-
- const l = parseInt(document.getElementById('btnLeftPin').value, 10);
- const r = parseInt(document.getElementById('btnRightPin').value, 10);
- const m = parseInt(document.getElementById('btnMiddlePin').value, 10);
- if (l <= 10) apply(l, COL_L);
- if (r <= 10) apply(r, COL_R);
- if (m <= 10) apply(m, COL_M);
-}
let _writeConfigTimer = null;
function writeConfigBlob() {
@@ -344,11 +307,7 @@ async function _doWriteConfigBlob() {
| (document.getElementById('capAutoRecal').checked ? FLAG_AUTO_RECAL_ENABLED : 0);
// config.curve, config.chargeMode, config.tapAction, config.tapKey updated directly
- config.btnLeftPin = parseInt(document.getElementById('btnLeftPin').value, 10);
- config.btnRightPin = parseInt(document.getElementById('btnRightPin').value, 10);
- config.btnMiddlePin = parseInt(document.getElementById('btnMiddlePin').value, 10);
-
- const buf = new ArrayBuffer(28);
+ const buf = new ArrayBuffer(25);
const view = new DataView(buf);
view.setFloat32(0, config.sensitivity, true);
view.setFloat32(4, config.deadZone, true);
@@ -363,9 +322,6 @@ async function _doWriteConfigBlob() {
view.setUint8(19, config.tapFreezeEnabled);
view.setFloat32(20, config.jerkThreshold, true);
view.setUint8(24, config.featureFlags);
- view.setUint8(25, config.btnLeftPin);
- view.setUint8(26, config.btnRightPin);
- view.setUint8(27, config.btnMiddlePin);
try {
await gattWrite(chars.configBlob, buf);
@@ -661,7 +617,7 @@ function setStatus(state) {
pill.className='status-pill '+state;
document.body.className=state;
const cBtn=document.getElementById('connectBtn'), dBtn=document.getElementById('disconnectBtn');
- const inputs=document.querySelectorAll('input[type=range],.seg-btn,.toggle input,.cmd-btn,#tapKeyHex,.mod-btn input,.pin-select');
+ const inputs=document.querySelectorAll('input[type=range],.seg-btn,.toggle input,.cmd-btn,#tapKeyHex,.mod-btn input');
if (state==='connected') {
cBtn.style.display='none'; dBtn.style.display='';
inputs.forEach(el=>el.disabled=false);
@@ -1043,7 +999,6 @@ function applyTheme(t) {
localStorage.setItem('theme', t);
if (!chars.imuStream) drawInitState();
orientUpdateColors();
- updatePinDiagram();
}
(function(){
const saved = localStorage.getItem('theme') ?? 'auto';
diff --git a/web/index.html b/web/index.html
index 3ba723d..2e00201 100644
--- a/web/index.html
+++ b/web/index.html
@@ -180,122 +180,6 @@
- Physical Buttons
-
-
-
-
-
- ● Left
- ● Right
- ● Middle
-
-
-
-
-
Left Click
-
Pin wired to GND when pressed
-
-
-
-
Right Click
-
Pin wired to GND when pressed
-
-
-
-
Middle Click
-
Pin wired to GND when pressed
-
-
-
- Pull-up built-in · wire button between chosen pin and GND
-
-
Device Commands