btstack/src/classic/gatt_sdp.c
2021-11-02 09:31:00 +01:00

102 lines
4.0 KiB
C

/*
* Copyright (C) 2014 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
* GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
#define BTSTACK_FILE__ "gatt_sdp.c"
/*
* gatt_sdp.c
*/
#include "gatt_sdp.h"
#include <string.h>
#include "bluetooth_gatt.h"
#include "bluetooth_psm.h"
#include "bluetooth_sdp.h"
#include "btstack_config.h"
#include "classic/core.h"
#include "classic/sdp_util.h"
#include "l2cap.h"
void gatt_create_sdp_record(uint8_t *service, uint32_t service_record_handle, uint16_t gatt_start_handle, uint16_t gatt_end_handle){
uint8_t* attribute;
de_create_sequence(service);
// 0x0000 "Service Record Handle"
de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_HANDLE);
de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle);
// 0x0001 "Service Class ID List"
de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_CLASS_ID_LIST);
attribute = de_push_sequence(service);
{
de_add_number(attribute, DE_UUID, DE_SIZE_32, ORG_BLUETOOTH_SERVICE_GENERIC_ATTRIBUTE);
}
de_pop_sequence(service, attribute);
// 0x0004 "Protocol Descriptor List"
de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST);
attribute = de_push_sequence(service);
{
uint8_t* l2cap_protocol = de_push_sequence(attribute);
{
de_add_number(l2cap_protocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP);
de_add_number(l2cap_protocol, DE_UINT, DE_SIZE_16, BLUETOOTH_PSM_ATT);
}
de_pop_sequence(attribute, l2cap_protocol);
uint8_t* att_protocol = de_push_sequence(attribute);
{
de_add_number(att_protocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_ATT);
de_add_number(att_protocol, DE_UINT, DE_SIZE_16, gatt_start_handle);
de_add_number(att_protocol, DE_UINT, DE_SIZE_16, gatt_end_handle);
}
de_pop_sequence(attribute, att_protocol);
}
de_pop_sequence(service, attribute);
// 0x0005 "Public Browse Group"
de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BROWSE_GROUP_LIST);
attribute = de_push_sequence(service);
{
de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PUBLIC_BROWSE_ROOT);
}
de_pop_sequence(service, attribute);
}