hci_lib.h

linux下的蓝牙协议栈

/*
 *
 *  BlueZ - Bluetooth protocol stack for Linux
 *
 *  Copyright (C) 2000-2001  Qualcomm Incorporated
 *  Copyright (C) 2002-2003  Maxim Krasnyansky <[e-mail]>
 *  Copyright (C) 2002-2004  Marcel Holtmann <[e-mail]>
 *
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation;
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
 *  CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
 *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
 *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
 *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 *  ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
 *  COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
 *  SOFTWARE IS DISCLAIMED.
 *
 *
 *  $Id: hci_lib.h,v 1.25 2004/04/24 12:09:55 holtmann Exp $
 */

#ifndef __HCI_LIB_H
#define __HCI_LIB_H

#ifdef __cplusplus
extern "C" {
#endif

struct hci_request {
	uint16_t ogf;
	uint16_t ocf;
	int      event;
	void     *cparam;
	int      clen;
	void     *rparam;
	int      rlen;
};

struct hci_version {
	uint16_t manufacturer;
	uint8_t  hci_ver;
	uint16_t hci_rev;
	uint8_t  lmp_ver;
	uint16_t lmp_subver;
};

int hci_open_dev(int dev_id);
int hci_close_dev(int dd);
int hci_send_cmd(int dd, uint16_t ogf, uint16_t ocf, uint8_t plen, void *param);
int hci_send_req(int dd, struct hci_request *req, int timeout);

int hci_create_connection(int dd, const bdaddr_t *ba, uint16_t ptype, uint16_t clkoffset, uint8_t rswitch, uint16_t *handle, int to);
int hci_disconnect(int dd, uint16_t handle, uint8_t reason, int to);

int hci_inquiry(int dev_id, int len, int num_rsp, const uint8_t *lap, inquiry_info **ii, long flags);
int hci_devinfo(int dev_id, struct hci_dev_info *di);
int hci_devba(int dev_id, bdaddr_t *ba);
int hci_devid(const char *str);

/* deprecated: preserve compatibility */
int hci_local_name(int dd, int len, char *name, int to);
int hci_read_local_name(int dd, int len, char *name, int to);
int hci_write_local_name(int dd, const char *name, int to);
int hci_remote_name(int dd, const bdaddr_t *ba, int len, char *name, int to);
int hci_read_remote_name(int dd, const bdaddr_t *ba, int len, char *name, int to);
int hci_read_remote_features(int dd, uint16_t handle, uint8_t *features, int to);
int hci_read_remote_version(int dd, uint16_t handle, struct hci_version *ver, int to);
int hci_read_clock_offset(int dd, uint16_t handle, uint16_t *clkoffset, int to);
int hci_read_local_version(int dd, struct hci_version *ver, int to);
int hci_read_class_of_dev(int dd, uint8_t *cls, int to);
int hci_write_class_of_dev(int dd, uint32_t cls, int to);
int hci_read_voice_setting(int dd, uint16_t *vs, int to);
int hci_write_voice_setting(int dd, uint16_t vs, int to);
int hci_read_current_iac_lap(int dd, uint8_t *num_iac, uint8_t *lap, int to);
int hci_write_current_iac_lap(int dd, uint8_t num_iac, uint8_t *lap, int to);
int hci_authenticate_link(int dd, uint16_t handle, int to);
int hci_encrypt_link(int dd, uint16_t handle, int on, int to);
/* role == 0 is master, 1 is slave */
int hci_switch_role(int dd, bdaddr_t peer, int role, int to);
int hci_park_mode(int dd, uint16_t handle, uint16_t max_interval, uint16_t min_interval, int to);
int hci_exit_park_mode(int dd, uint16_t handle, int to);

int hci_for_each_dev(int flag, int(*func)(int s, int dev_id, long arg), long arg);
int hci_get_route(bdaddr_t *bdaddr);

char *hci_dtypetostr(int type);
char *hci_dflagstostr(uint32_t flags);
char *hci_ptypetostr(unsigned int ptype);
int   hci_strtoptype(char *str, unsigned int *val);
char *hci_scoptypetostr(unsigned int ptype);
int   hci_strtoscoptype(char *str, unsigned int *val);
char *hci_lptostr(unsigned int ptype);
int   hci_strtolp(char *str, unsigned int *val);
char *hci_lmtostr(unsigned int ptype);
int   hci_strtolm(char *str, unsigned int *val);

char *hci_vertostr(unsigned int ver);
int   hci_strtover(char *str, unsigned int *ver);
char *lmp_vertostr(unsigned int ver);
int   lmp_strtover(char *str, unsigned int *ver);

char *lmp_featurestostr(uint8_t *features, char *pref, int width);

static inline void hci_set_bit(int nr, void *addr)
{
	*((uint32_t *) addr + (nr >> 5)) |= (1 << (nr & 31));
}

static inline void hci_clear_bit(int nr, void *addr)
{
	*((uint32_t *) addr + (nr >> 5)) &= ~(1 << (nr & 31));
}

static inline int hci_test_bit(int nr, void *addr)
{
	return *((uint32_t *) addr + (nr >> 5)) & (1 << (nr & 31));
}

/* HCI filter tools */
static inline void hci_filter_clear(struct hci_filter *f)
{
	memset(f, 0, sizeof(*f));
}
static inline void hci_filter_set_ptype(int t, struct hci_filter *f)
{
	hci_set_bit((t & HCI_FLT_TYPE_BITS), &f->type_mask);
}
static inline void hci_filter_clear_ptype(int t, struct hci_filter *f)
{
	hci_clear_bit((t & HCI_FLT_TYPE_BITS), &f->type_mask);
}
static inline int hci_filter_test_ptype(int t, struct hci_filter *f)
{
	return hci_test_bit((t & HCI_FLT_TYPE_BITS), &f->type_mask);
}
static inline void hci_filter_all_ptypes(struct hci_filter *f)
{
	memset((void *)&f->type_mask, 0xff, sizeof(f->type_mask));
}
static inline void hci_filter_set_event(int e, struct hci_filter *f)
{
	hci_set_bit((e & HCI_FLT_EVENT_BITS), &f->event_mask);
}
static inline void hci_filter_clear_event(int e, struct hci_filter *f)
{
	hci_clear_bit((e & HCI_FLT_EVENT_BITS), &f->event_mask);
}
static inline int hci_filter_test_event(int e, struct hci_filter *f)
{
	return hci_test_bit((e & HCI_FLT_EVENT_BITS), &f->event_mask);
}
static inline void hci_filter_all_events(struct hci_filter *f)
{
	memset((void *)f->event_mask, 0xff, sizeof(f->event_mask));
}
static inline void hci_filter_set_opcode(int opcode, struct hci_filter *f)
{
	f->opcode = opcode;
}
static inline void hci_filter_clear_opcode(struct hci_filter *f)
{
	f->opcode = 0;
}
static inline int hci_filter_test_opcode(int opcode, struct hci_filter *f)
{
	return (f->opcode == opcode);
}

#ifdef __cplusplus
}
#endif

#endif /* __HCI_LIB_H */