NSMBW-Decomp
A decompilation of New Super Mario Bros. Wii
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avct_defs.h
1/******************************************************************************
2 *
3 * Copyright (C) 2003-2012 Broadcom Corporation
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/******************************************************************************
20 *
21 * This contains constants definitions and other information from the AVCTP
22 * specification. This file is intended for use internal to AVCT only.
23 *
24 ******************************************************************************/
25#ifndef AVCT_DEFS_H
26#define AVCT_DEFS_H
27
28/*****************************************************************************
29** constants
30*****************************************************************************/
31
32/* packet type */
33#define AVCT_PKT_TYPE_SINGLE 0 /* single packet */
34#define AVCT_PKT_TYPE_START 1 /* start packet */
35#define AVCT_PKT_TYPE_CONT 2 /* continue packet */
36#define AVCT_PKT_TYPE_END 3 /* end packet */
37
38/* header lengths for different packet types */
39#define AVCT_HDR_LEN_SINGLE 3
40#define AVCT_HDR_LEN_START 4
41#define AVCT_HDR_LEN_CONT 1
42#define AVCT_HDR_LEN_END 1
43
44/* invalid cr+ipid value */
45#define AVCT_CR_IPID_INVALID 1
46
47/*****************************************************************************
48** message parsing and building macros
49*****************************************************************************/
50
51#define AVCT_BLD_HDR(p, label, type, cr_ipid) \
52 *(p)++ = ((label) << 4) | ((type) << 2) | (cr_ipid);
53
54#define AVCT_PRS_HDR(p, label, type, cr_ipid) \
55 label = *(p) >> 4; \
56 type = (*(p) >> 2) & 3; \
57 cr_ipid = *(p)++ & 3;
58
59#define AVCT_PRS_PKT_TYPE(p, type) \
60 type = (*(p) >> 2) & 3;
61
62#endif /* AVCT_DEFS_H */