1 /****************************************************************************** 2 * 3 * Copyright (C) 2014 Google, Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #pragma once 20 21 // 2 bytes for opcode, 1 byte for parameter length (Volume 2, Part E, 5.4.1) 22 #define HCI_COMMAND_PREAMBLE_SIZE 3 23 // 2 bytes for handle, 2 bytes for data length (Volume 2, Part E, 5.4.2) 24 #define HCI_ACL_PREAMBLE_SIZE 4 25 // 2 bytes for handle, 1 byte for data length (Volume 2, Part E, 5.4.3) 26 #define HCI_SCO_PREAMBLE_SIZE 3 27 // 1 byte for event code, 1 byte for parameter length (Volume 2, Part E, 5.4.4) 28 #define HCI_EVENT_PREAMBLE_SIZE 2 29