1 /****************************************************************************** 2 * 3 * Copyright 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 30 // ISO 31 // 2 bytes for handle, 2 bytes for data length (Volume 2, Part E, 5.4.5) 32 #define HCI_ISO_PREAMBLE_SIZE 4 33 34 #define HCI_ISO_BF_FIRST_FRAGMENTED_PACKET (0) 35 #define HCI_ISO_BF_CONTINUATION_FRAGMENT_PACKET (1) 36 #define HCI_ISO_BF_COMPLETE_PACKET (2) 37 #define HCI_ISO_BF_LAST_FRAGMENT_PACKET (3) 38 39 #define HCI_ISO_HEADER_TIMESTAMP_SIZE (4) 40 #define HCI_ISO_HEADER_ISO_LEN_SIZE (2) 41 #define HCI_ISO_HEADER_PACKET_SEQ_SIZE (2) 42 43 #define HCI_ISO_HEADER_LEN_WITHOUT_TS \ 44 (HCI_ISO_HEADER_ISO_LEN_SIZE + HCI_ISO_HEADER_PACKET_SEQ_SIZE) 45 #define HCI_ISO_HEADER_LEN_WITH_TS \ 46 (HCI_ISO_HEADER_LEN_WITHOUT_TS + HCI_ISO_HEADER_TIMESTAMP_SIZE) 47 48 #define HCI_ISO_SET_CONTINUATION_FLAG(handle) \ 49 (((handle)&0x4FFF) | (0x0001 << 12)) 50 #define HCI_ISO_SET_COMPLETE_FLAG(handle) (((handle)&0x4FFF) | (0x0002 << 12)) 51 #define HCI_ISO_SET_END_FRAG_FLAG(handle) (((handle)&0x4FFF) | (0x0003 << 12)) 52 #define HCI_ISO_SET_TIMESTAMP_FLAG(handle) (((handle)&0x3FFF) | (0x0001 << 14)) 53 54 #define HCI_ISO_GET_TS_FLAG(handle) (((handle) >> 14) & 0x0001) 55 #define HCI_ISO_GET_PACKET_STATUS_FLAGS(iso_sdu_length) \ 56 (iso_sdu_length & 0xC000) 57 58 #define HCI_ISO_SDU_LENGTH_MASK 0x0FFF 59