hci_beetle.h

/********************************************************************************
 *
 * Copyright 2016-2017 Afero, Inc.
 *
 * Licensed under the MIT license (the "License"); you may not use this file
 * except in compliance with the License.  You may obtain a copy of the License
 * at
 *
 * https://opensource.org/licenses/MIT
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *******************************************************************************/

#pragma once

#include <stdint.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/hci_lib.h>
#include <bluetooth/l2cap.h>

typedef struct bhci {
    int fd;
    bdaddr_t own_address;

    /* callbacks */
    void (*on_disconnect)(struct bhci *bhci, evt_disconn_complete *disconn, void *arg);
    void *on_disconnect_arg;
    void (*on_connect)(struct bhci *bhci, evt_le_connection_complete *conn, char *addr, void *arg);
    void *on_connect_arg;
    void (*on_advertisement)(struct bhci *bhci, uint8_t *data, int len, void *arg);
    void *on_advertisement_arg;
    void (*on_desync)(struct bhci *bhci, void *arg);
    void *on_desync_arg;
} bhci_t;

int bhci_open(bhci_t *bhci, const char *interface_name);
void bhci_clear_callbacks(bhci_t *bhci);
void bhci_close(bhci_t *bhci);
int bhci_set_scan_enable(bhci_t *bhci, uint8_t enable);
int bhci_set_advertising_enable(bhci_t *bhci, uint8_t enable);
int bhci_disconnect(bhci_t *bhci, uint16_t handle);
int bhci_set_scan_parameters(bhci_t *bhci, int interval, int window);
int bhci_debug_connections(bhci_t *bhci);
int bhci_kill_all_connections(bhci_t *bhci);
int bhci_device_connect(bhci_t *bhci, const char *addr, uint8_t addr_type);
int bhci_cancel_device_connect(bhci_t *bhci);
int bhci_listen(bhci_t *bhci);
int bhci_set_advertising_parameters(bhci_t *bhci, uint16_t min_interval, uint16_t max_interval);
int bhci_set_advertising_data(bhci_t *bhci, uint8_t *data, int len);
int bhci_l2cap_connect(const char* addr, int cid, int addr_type);
void bhci_read(bhci_t *bhci);

#define bhci_enable_scan(bhci) bhci_set_scan_enable(bhci, 0x01)
#define bhci_disable_scan(bhci) bhci_set_scan_enable(bhci, 0x00)

#define bhci_enable_advertising(bhci) bhci_set_advertising_enable(bhci, 0x01)
#define bhci_disable_advertising(bhci) bhci_set_advertising_enable(bhci, 0x00)

#define bhci_on_disconnect(bhci, callback, arg) do { \
    bhci->on_disconnect = callback; \
    bhci->on_disconnect_arg = arg; \
} while (0)

#define bhci_on_connect(bhci, callback, arg) do { \
    bhci->on_connect = callback; \
    bhci->on_connect_arg = arg; \
} while (0)

#define bhci_on_advertisement(bhci, callback, arg) do { \
    bhci->on_advertisement = callback; \
    bhci->on_advertisement_arg = arg; \
} while (0)

#define bhci_on_desync(bhci, callback, arg) do {\
    bhci->on_desync = callback; \
    bhci->on_desync_arg = arg; \
} while (0)