Import of the watch repository from Pebble

src/fw/services/normal/audio_endpoint_private.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "util/attributes.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef enum {
+  MsgIdDataTransfer = 0x02,
+  MsgIdStopTransfer = 0x03,
+} MsgId;
+
+typedef struct PACKED {
+  MsgId msg_id;
+  AudioEndpointSessionId session_id;
+  uint8_t frame_count;
+  uint8_t frames[];
+} DataTransferMsg;
+
+typedef struct PACKED {
+  MsgId msg_id;
+  AudioEndpointSessionId session_id;
+} StopTransferMsg;