/* * bcsp.h -- Define of macros and functions used in the BCSP protocol stack * * Copyright (C) 2001  Axis Communications AB * * Author: Mats Friden <Mats.Friden@axis.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. * * Exceptionally, Axis Communications AB grants discretionary and * conditional permissions for additional use of the text contained * in the company's release of the AXIS OpenBT Stack under the * provisions set forth hereunder. * * Provided that, if you use the AXIS OpenBT Stack with other files, * that do not implement functionality as specified in the Bluetooth * System specification, to produce an executable, this does not by * itself cause the resulting executable to be covered by the GNU * General Public License. Your use of that executable is in no way * restricted on account of using the AXIS OpenBT Stack code with it. * * This exception does not however invalidate any other reasons why * the executable file might be covered by the provisions of the GNU * General Public License. * * $Id: bcsp.h,v 1.11 2001/09/18 12:19:53 pkj Exp $ * */#ifndef BCSP_H#define BCSP_H/****************** INCLUDE FILES SECTION ***********************************/#ifdef __KERNEL__#include <linux/types.h>#include <linux/bluetooth/btcommon.h>#else#include "local.h"#include "include/btcommon.h"#endif/****************** CONSTANT AND MACRO SECTION ******************************/#ifndef FALSE#define FALSE 0#endif#ifndef TRUE#define TRUE 1#endif#define BCSP_BCCMD_CHN 2#define BCSP_HQ_CHN    3#define BCSP_CMD_CHN   5#define BCSP_EVT_CHN   5#define BCSP_ACL_CHN   6#define BCSP_SCO_CHN   7#define BCSP_DFU_CHN   12#define SYNC     0xEDEDDCDA#define SYNC_RSP 0xEEEFAFAC#define CONF     0xEDACEFAD#define CONF_RSP 0xD0D0ADDE#define BCSP_CRC_NOT_PRESENT 0#define BCSP_CRC_PRESENT     1#define BCSP_UNRELIABLE      0#define BCSP_RELIABLE        1#define BCSP_HDR_SIZE 4#define BCSP_CRC_SIZE 2#define ERR_CHECKSUM 1#define ERR_PAYLOAD_LENGTH 2#define BCSP_GET_SEQ(bcsp)              GET_BITS((bcsp)->flags, 0, 3)#define BCSP_SET_SEQ(bcsp, x)           SET_BITS((bcsp)->flags, 0, 3, x)#define BCSP_GET_ACK(bcsp)              GET_BITS((bcsp)->flags, 3, 3)#define BCSP_SET_ACK(bcsp, x)           SET_BITS((bcsp)->flags, 3, 3, x)#define BCSP_GET_CRC_PRESENT(bcsp)      (GET_BITS((bcsp)->flags, 6, 1) ? BCSP_CRC_PRESENT : BCSP_CRC_NOT_PRESENT)#define BCSP_SET_CRC_PRESENT(bcsp, x)   SET_BITS((bcsp)->flags, 6, 1, x)#define BCSP_GET_PROTOCOL_TYPE(bcsp)    (GET_BITS((bcsp)->flags, 7, 1) ? BCSP_RELIABLE : BCSP_UNRELIABLE)#define BCSP_SET_PROTOCOL_TYPE(bcsp, x) SET_BITS((bcsp)->flags, 7, 1, x)#define BCSP_GET_FLAGS(bcsp)          ((bcsp)->packet[0])#define BCSP_GET_IDENTIFIER(bcsp)     ((bcsp)->packet[1] & 0x0F) #define BCSP_GET_PAYLOAD_LENGTH(bcsp) (((bcsp)->packet[2] << 4) | (((bcsp)->packet[1] >> 4) & 0xFF))#define BCSP_GET_CHECKSUM(bcsp)       ((bcsp)->packet[3])/****************** TYPE DEFINITION SECTION *********************************/struct bcsp{	u8 flags;	u8 identifier;	u16 payload_length;	u8 checksum;	u8* payload;	u16 crc;	u8* packet;	u16 packet_length;};/****************** EXPORTED FUNCTION DECLARATION SECTION *******************//************************* functions in bcsp.c ******************************/s32 bcsp_init(void);void bcsp_shutdown(void);u32 bcsp_issyncronized(void);void bcsp_syncronized(void);s32 bcsp_write_top(u8 *data, u32 len);s32 bcsp_write_lower(u8 *data, u32 len);s32 bcsp_receive_top(u8 *data, u32 len, u8 chn);s32 bcsp_receive_lower(u8 *data, u32 len);void bcsp_init_packet(struct bcsp *bcsp);/************************* functions in slip.c ******************************/s32 bcsp_slip_send(struct bcsp* bcsp);s32 bcsp_slip_receive(const u8* packet, u32 len);/************************* functions in integrity.c **************************/s32 bcsp_integrity_send(struct bcsp *bcsp);s32 bcsp_integrity_receive(struct bcsp *bcsp);/************************* functions in mux.c *******************************/s32 bcsp_mux_send(struct bcsp *bcsp);s32 bcsp_mux_receive(struct bcsp *bcsp);s32 bcsp_mux_send(struct bcsp *bcsp);s32 bcsp_send_txack(u8 txack);/************************* functions in sequence.c **************************/void bcsp_sequence_init(void);void bcsp_sequence_shutdown(void);s32 bcsp_sequence_receive(struct bcsp *bcsp);s32 bcsp_sequence_send(u8 *data, u32 len, u8 chn);void bcsp_signal_rxack(u8 ack);/************************* functions in datagram.c ***************************/void bcsp_datagram_init(void);void bcsp_datagram_shutdown(void);s32 bcsp_datagram_receive(struct bcsp *bcsp);s32 bcsp_datagram_send(u8 *data, u32 len, u8 chn);s32 bcsp_send_sync(u32 type);#endif/****************** END OF FILE bcsp.h **************************************/