134 lines
4.4 KiB
C
134 lines
4.4 KiB
C
/* $NetBSD: bcsp.h,v 1.2 2007/10/02 05:40:10 junyoung Exp $ */
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/*
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* Copyright (c) 2007 KIYOHARA Takashi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_BLUETOOTH_BCSP_H_
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#define _DEV_BLUETOOTH_BCSP_H_
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/*
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* BlueCore Serial Protocol definitions
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*/
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/*
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* Reference to bcore-sp-012p.
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*/
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/* BCSP packet header */
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typedef struct {
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uint8_t flags;
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#if BYTE_ORDER == BIG_ENDIAN
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uint8_t plen1 :4; /* Payload Length (bits 0-3) */
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uint8_t ident :4; /* Protocol Identifier */
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#else
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uint8_t ident :4; /* Protocol Identifier */
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uint8_t plen1 :4; /* Payload Length (bits 0-3) */
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#endif
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uint8_t plen2; /* Payload Length (bits 4-11) */
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uint8_t csum; /* Checksum */
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u_char payload[0];
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} __packed bcsp_hdr_t;
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#define BCSP_FLAGS_SEQ_SHIFT 0
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#define BCSP_FLAGS_SEQ_MASK 0x07
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#define BCSP_FLAGS_SEQ(n) \
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(((n) & BCSP_FLAGS_SEQ_MASK) >> BCSP_FLAGS_SEQ_SHIFT)
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#define BCSP_FLAGS_ACK_SHIFT 3
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#define BCSP_FLAGS_ACK_MASK 0x38
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#define BCSP_FLAGS_ACK(n) \
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(((n) & BCSP_FLAGS_ACK_MASK) >> BCSP_FLAGS_ACK_SHIFT)
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#define BCSP_FLAGS_CRC_PRESENT 0x40
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#define BCSP_FLAGS_PROTOCOL_TYPE 0x80
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#define BCSP_FLAGS_PROTOCOL_REL 0x80
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#define BCSP_SET_PLEN(hdrp, n) \
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do { \
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(hdrp)->plen1 = ((n) & 0x00f); \
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(hdrp)->plen2 = ((n) >> 4); \
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} while (0)
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#define BCSP_GET_PLEN(hdrp) ((hdrp)->plen1 | ((hdrp)->plen2 << 4))
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#define BCSP_GET_CSUM(hdrp) \
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(0xff - (uint8_t)((hdrp)->flags + ((hdrp)->plen1 << 4) + \
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(hdrp)->ident + (hdrp)->plen2))
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#define BCSP_SET_CSUM(hdrp) ((hdrp)->csum = BCSP_GET_CSUM(hdrp))
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#define BCSP_IDENT_ACKPKT 0 /* Used by MUX Layer */
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/* Other Protocol Identifier values described to bcore-sp-007P */
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/* definitions of SLIP Layer */
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#define BCSP_SLIP_PKTSTART 0xc0
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#define BCSP_SLIP_PKTEND BCSP_SLIP_PKTSTART
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#define BCSP_SLIP_ESCAPE 0xdb
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#define BCSP_SLIP_ESCAPE_PKTEND 0xdc
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#define BCSP_SLIP_ESCAPE_ESCAPE 0xdd
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/* definitions of Sequencing Layer */
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#define BCSP_SEQ_TX_TIMEOUT (hz / 4) /* 250 msec */
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#define BCSP_SEQ_TX_WINSIZE 4
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#define BCSP_SEQ_TX_RETRY_LIMIT 20
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/*
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* Reference to bcore-sp-007p.
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* Channel Allocation
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*/
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#define BCSP_CHANNEL_LE 1 /* defined in [BCSPLE] */
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#define BCSP_CHANNEL_BCCMD 2 /* defined in [BCCMD] */
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#define BCSP_CHANNEL_HQ 3 /* defined in [HQ] */
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#define BCSP_CHANNEL_DEVMGT 4 /* defined by BlueStack */
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#define BCSP_CHANNEL_HCI_CMDEVT 5 /* HCI Command and Event */
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#define BCSP_CHANNEL_HCI_ACL 6 /* HCI ACL data */
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#define BCSP_CHANNEL_HCI_SCO 7 /* HCI SCO data */
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#define BCSP_CHANNEL_L2CAP 8 /* defined by BlueStack */
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#define BCSP_CHANNEL_RFCOMM 9 /* defined by BlueStack */
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#define BCSP_CHANNEL_SDP 10 /* defined by BlueStack */
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#define BCSP_CHANNEL_DFU 12 /* defined in [DFUPROT] */
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#define BCSP_CHANNEL_VM 13 /* Virtual Machine */
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/*
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* Reference to bcore-sp-008p ??
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* Link Establishment Protocol
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*/
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typedef enum {
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le_state_shy,
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le_state_curious,
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le_state_garrulous
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} bcsp_le_state_t;
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#define BCSP_LE_SYNC { 0xda, 0xdc, 0xed, 0xed }
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#define BCSP_LE_SYNCRESP { 0xac, 0xaf, 0xef, 0xee }
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#define BCSP_LE_CONF { 0xad, 0xef, 0xac, 0xed }
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#define BCSP_LE_CONFRESP { 0xde, 0xad, 0xd0, 0xd0 }
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#define BCSP_LE_TSHY_TIMEOUT hz /* XXXX: 1sec ? */
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#define BCSP_LE_TCONF_TIMEOUT hz /* XXXX: 1sec ? */
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#endif /* !_DEV_BLUETOOTH_BCSP_H_ */
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