RC filter update

Author: haslinghuis

index.html

@@ -1947,7 +1947,7 @@ <h5 class="modal-title-revision"></h5>
                                                         <label>Setpoint Hz</label>
                                                         <input type="text" step="1" min="0" max="255" />
                                                     </td>
-                                                    <td name="rcSmoothingFeedforwardHz">
+                                                    <td name="rcSmoothingFeedforwardHz" id="rcSmoothingFeedforwardHz">
                                                         <label>Feedforward Hz</label>
                                                         <input type="text" step="1" min="0" max="255" />
                                                     </td>

src/header_dialog.js

@@ -623,7 +623,7 @@ export function HeaderDialog(dialog, onSave) {
       name: "rc_smoothing_active_cutoffs_ff",
       type: FIRMWARE_TYPE_BETAFLIGHT,
       min: "4.3.0",
-      max: "999.9.9",
+      max: "4.5.999",
     },
     {
       name: "rc_smoothing_active_cutoffs_sp",
@@ -1572,6 +1572,16 @@ export function HeaderDialog(dialog, onSave) {
 
     $(".dshot_bidir_required").toggle(sysConfig.dshot_bidir == 1);
 
+    if (semver.gte(activeSysConfig.firmwareVersion, "4.6.0")) {
+      $("#rcSmoothingFeedforwardHz").hide();
+    } else {
+      setParameter(
+        "rcSmoothingFeedforwardHz",
+        sysConfig.rc_smoothing_feedforward_hz,
+        0
+      );
+    }
+
     if (semver.gte(activeSysConfig.firmwareVersion, "4.5.0")) {
       setParameter("rcSmoothingRxSmoothed", sysConfig.rc_smoothing_rx_smoothed, 0);
       $("#rcSmoothingRxSmoothed").show();
@@ -1597,11 +1607,6 @@ export function HeaderDialog(dialog, onSave) {
         sysConfig.rc_smoothing_mode,
         RC_SMOOTHING_MODE
       );
-      setParameter(
-        "rcSmoothingFeedforwardHz",
-        sysConfig.rc_smoothing_feedforward_hz,
-        0
-      );
       setParameter(
         "rcSmoothingSetpointHz",
         sysConfig.rc_smoothing_setpoint_hz,