haiku/headers/os/bluetooth/HCI/btHCI_acl.h
Oliver Ruiz Dorantes 001662ae04 A bit more styling on main headers
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26743 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-08-02 21:15:02 +00:00

37 lines
1.1 KiB
C

/*
* Copyright 2007 Oliver Ruiz Dorantes, oliver.ruiz.dorantes_at_gmail.com
* All rights reserved. Distributed under the terms of the MIT License.
*/
#ifndef _BTHCI_ACL_H_
#define _BTHCI_ACL_H_
#include <bluetooth/bluetooth.h>
#include <bluetooth/HCI/btHCI.h>
#define HCI_ACL_HDR_SIZE 4
struct hci_acl_header {
uint16 handle; /* Handle & Flags(PB, BC) */
uint16 alen;
} __attribute__ ((packed)) ;
/* ACL handle and flags pack/unpack */
#define pack_acl_handle_flags(h, pb, bc) (((h) & 0x0fff) | (((pb) & 3) << 12) | (((bc) & 3) << 14))
#define get_acl_handle(h) ((h) & 0x0fff)
#define get_acl_pb_flag(h) (((h) & 0x3000) >> 12)
#define get_acl_bc_flag(h) (((h) & 0xc000) >> 14)
/* PB flag values */
/* 00 - reserved for future use */
#define HCI_ACL_PACKET_FRAGMENT 0x1
#define HCI_ACL_PACKET_START 0x2
/* 11 - reserved for future use */
/* BC flag values */
#define HCI_ACL_POINT2POINT 0x0 /* only Host controller to Host */
#define HCI_ACL_BROADCAST_ACTIVE 0x1 /* both directions */
#define HCI_ACL_BROADCAST_PICONET 0x2 /* both directions */
/* 11 - reserved for future use */
#endif // _BTHCI_ACL_H_