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/*****************************************************************************
**
** Name: avct_defs.h
**
** Description: This contains constants definitions and other information
** from the AVCTP specification. This file is intended for
** use internal to AVCT only.
**
**
** Copyright (c) 2003-2004, WIDCOMM Inc., All Rights Reserved.
** WIDCOMM Bluetooth Core. Proprietary and confidential.
**
*****************************************************************************/
#ifndef AVCT_DEFS_H
#define AVCT_DEFS_H
/*****************************************************************************
** constants
*****************************************************************************/
/* packet type */
#define AVCT_PKT_TYPE_SINGLE 0 /* single packet */
#define AVCT_PKT_TYPE_START 1 /* start packet */
#define AVCT_PKT_TYPE_CONT 2 /* continue packet */
#define AVCT_PKT_TYPE_END 3 /* end packet */
/* header lengths for different packet types */
#define AVCT_HDR_LEN_SINGLE 3
#define AVCT_HDR_LEN_START 4
#define AVCT_HDR_LEN_CONT 1
#define AVCT_HDR_LEN_END 1
/* invalid cr+ipid value */
#define AVCT_CR_IPID_INVALID 1
/*****************************************************************************
** message parsing and building macros
*****************************************************************************/
#define AVCT_BLD_HDR(p, label, type, cr_ipid) \
*(p)++ = ((label) << 4) | ((type) << 2) | (cr_ipid);
#define AVCT_PRS_HDR(p, label, type, cr_ipid) \
label = *(p) >> 4; \
type = (*(p) >> 2) & 3; \
cr_ipid = *(p)++ & 3;
#define AVCT_PRS_PKT_TYPE(p, type) \
type = (*(p) >> 2) & 3;
#endif /* AVCT_DEFS_H */
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