refactor(hid): improve keyboard layout compatibility in HID handling functions

Signed-off-by: luckfox-eng29 <eng29@luckfox.com>

ui/src/hooks/hidRpc.ts

@@ -0,0 +1,70 @@
+export const MessageType = {
+  Handshake: 0x01,
+  KeyboardReport: 0x02,
+  PointerReport: 0x03,
+  WheelReport: 0x04,
+  KeypressReport: 0x05,
+  MouseReport: 0x06,
+  KeyboardMacroReport: 0x07,
+  CancelKeyboardMacro: 0x08,
+  KeypressKeepAlive: 0x09,
+  KeyboardLedState: 0x32,
+  KeysDownState: 0x33,
+  KeyboardMacroState: 0x34,
+} as const;
+
+export function marshalKeypressReport(key: number, press: boolean): Uint8Array {
+  return new Uint8Array([MessageType.KeypressReport, key, press ? 1 : 0]);
+}
+
+export function marshalKeyboardReport(modifier: number, keys: number[]): Uint8Array {
+  const data = new Uint8Array(8);
+  data[0] = MessageType.KeyboardReport;
+  data[1] = modifier;
+  for (let i = 0; i < Math.min(keys.length, 6); i++) {
+    data[2 + i] = keys[i];
+  }
+  return data;
+}
+
+export function marshalKeypressKeepAlive(): Uint8Array {
+  return new Uint8Array([MessageType.KeypressKeepAlive]);
+}
+
+export function marshalHandshake(version: number): Uint8Array {
+  return new Uint8Array([MessageType.Handshake, version]);
+}
+
+export interface HidRpcMessage {
+  type: number;
+  data: Uint8Array;
+}
+
+export function unmarshalMessage(data: ArrayBuffer): HidRpcMessage {
+  const view = new Uint8Array(data);
+  return {
+    type: view[0],
+    data: view.slice(1),
+  };
+}
+
+export interface KeyboardLedState {
+  num_lock: boolean;
+  caps_lock: boolean;
+  scroll_lock: boolean;
+  compose: boolean;
+  kana: boolean;
+  shift: boolean;
+}
+
+export function parseKeyboardLedState(data: Uint8Array): KeyboardLedState {
+  const raw = data[0] || 0;
+  return {
+    num_lock: !!(raw & (1 << 0)),
+    caps_lock: !!(raw & (1 << 1)),
+    scroll_lock: !!(raw & (1 << 2)),
+    compose: !!(raw & (1 << 3)),
+    kana: !!(raw & (1 << 4)),
+    shift: !!(raw & (1 << 6)),
+  };
+}