Replace gyro_to_use with gyro_enabled_bitmask in header dialog

index.html

@@ -1516,7 +1516,11 @@ <h5 class="modal-title-revision"></h5>
                                                             <!-- list generated here -->
                                                         </select>
                                                     </td>
-                                                   <td name='gyro_hardware_lpf'>
+                                                    <td name='gyro_enabled_bitmask'>
+                                                        <label>Gyro enable mask</label>
+                                                        <input type="text" step="1" min="1" max="255" />
+                                                    </td>
+                                                    <td name='gyro_hardware_lpf'>
                                                         <label>Hardware gyro LPF</label>
                                                         <select>
                                                             <!-- list generated here -->

src/flightlog_parser.js

@@ -299,6 +299,7 @@ export function FlightLogParser(logData) {
       fields_disabled_mask: null,
       vbat_sag_compensation: null,
       gyro_to_use: null,
+      gyro_enabled_bitmask: null,
       dynamic_idle_min_rpm: null,
       motor_poles: 1,
       ff_transition: null,
@@ -743,6 +744,7 @@ export function FlightLogParser(logData) {
       case "fields_disabled_mask":
       case "motor_pwm_protocol":
       case "gyro_to_use":
+      case "gyro_enabled_bitmask":
       case "dynamic_idle_min_rpm":
       case "dyn_idle_p_gain":
       case "dyn_idle_i_gain":

src/header_dialog.js

@@ -539,6 +539,12 @@ export function HeaderDialog(dialog, onSave) {
       name: "gyro_to_use",
       type: FIRMWARE_TYPE_BETAFLIGHT,
       min: "4.3.0",
+      max: "4.5.9",
+    },
+    {
+      name: "gyro_enabled_bitmask",
+      type: FIRMWARE_TYPE_BETAFLIGHT,
+      min: "2025.12.0",
       max: "9999.9.9",
     },
     {
@@ -873,6 +879,29 @@ export function HeaderDialog(dialog, onSave) {
     );
   }
 
+  function setBitmaskParameter(name, data, totalBits = 8) {
+    let parameterElem = $(`.parameter td[name="${name}"]`);
+    let nameElem = $("input", parameterElem);
+    if (data != null) {
+      // Convert number to binary string with leading zeros
+      const binaryString = data.toString(2).padStart(totalBits, '0');
+      // Display as "3 (00000011)" format
+      const displayValue = `${data} (${binaryString})`;
+      nameElem.val(displayValue);
+      // Store the raw integer value for round-trip saving
+      nameElem.data("raw-value", data);
+      nameElem.attr("readonly", true); // Make it readonly since it shows formatted bitmask
+      parameterElem.attr("title", `Bitmask value: ${data} (binary: ${binaryString})`);
+      parameterElem.removeClass("missing");
+    } else {
+      parameterElem.addClass("missing");
+    }
+    parameterElem.css(
+      "display",
+      isParameterValid(name) ? "table-cell" : "none"
+    );
+  }
+
   function setCheckbox(name, data) {
     let parameterElem = $(`.static-features td[name="${name}"]`);
     let nameElem = $("input", parameterElem);
@@ -1938,6 +1967,7 @@ export function HeaderDialog(dialog, onSave) {
     renderSelect("baro_hardware", sysConfig.baro_hardware, BARO_HARDWARE);
     renderSelect("mag_hardware", sysConfig.mag_hardware, MAG_HARDWARE);
     renderSelect("gyro_to_use", sysConfig.gyro_to_use, GYRO_TO_USE);
+    setBitmaskParameter("gyro_enabled_bitmask", sysConfig.gyro_enabled_bitmask, 8);
     setParameter("motor_poles", sysConfig.motor_poles, 0);
 
     /* Booleans */
@@ -1998,6 +2028,9 @@ export function HeaderDialog(dialog, onSave) {
           if ($(this).attr("decPl") != null) {
             newArray[matches[2]] =
               parseFloat($(this).val()) * Math.pow(10, $(this).attr("decPl"));
+          } else if ($(this).data("raw-value") != null) {
+            // Use raw value for bitmask parameters
+            newArray[matches[2]] = $(this).data("raw-value");
           } else {
             newArray[matches[2]] = $(this).val() == "on" ? 1 : 0;
           }
@@ -2006,6 +2039,9 @@ export function HeaderDialog(dialog, onSave) {
           if ($(this).attr("decPl") != null) {
             newSysConfig[$(this).attr("name")] =
               parseFloat($(this).val()) * Math.pow(10, $(this).attr("decPl"));
+          } else if ($(this).data("raw-value") != null) {
+            // Use raw value for bitmask parameters
+            newSysConfig[$(this).attr("name")] = $(this).data("raw-value");
           } else {
             newSysConfig[$(this).attr("name")] = $(this).val() == "on" ? 1 : 0;
           }