xref: /btstack/src/classic/hid_device.c (revision d40c9ac6cf1a34ffc9b2aba4e96744f8a621b6b1)

/*
 * 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 MATTHIAS
 * RINGWALD 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
 * [email protected]
 *
 */

#define __BTSTACK_FILE__ "hid_device.c"

#include <string.h>

#include "classic/hid_device.h"
#include "classic/sdp_util.h"
#include "bluetooth.h"
#include "bluetooth_sdp.h"

void hid_create_sdp_record(
    uint8_t *service,
    uint32_t service_record_handle,
    uint16_t hid_device_subclass,
    uint8_t  hid_country_code,
    uint8_t  hid_virtual_cable,
    uint8_t  hid_reconnect_initiate,
    uint8_t  hid_boot_device,
    const uint8_t * hid_descriptor, uint16_t hid_descriptor_size,
    const char *device_name){

    uint8_t * attribute;
    de_create_sequence(service);

    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);

    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_16, BLUETOOTH_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE_SERVICE);
    }
    de_pop_sequence(service, attribute);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST);
    attribute = de_push_sequence(service);
    {
        uint8_t * l2cpProtocol = de_push_sequence(attribute);
        {
            de_add_number(l2cpProtocol,  DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP);
            de_add_number(l2cpProtocol,  DE_UINT, DE_SIZE_16, PSM_HID_CONTROL);
        }
        de_pop_sequence(attribute, l2cpProtocol);

        uint8_t * hidProtocol = de_push_sequence(attribute);
        {
            de_add_number(hidProtocol,  DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_HIDP);
        }
        de_pop_sequence(attribute, hidProtocol);
    }
    de_pop_sequence(service, attribute);

    // TODO?
    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_LANGUAGE_BASE_ATTRIBUTE_ID_LIST);
    attribute = de_push_sequence(service);
    {
        de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e);
        de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a);
        de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100);
    }
    de_pop_sequence(service, attribute);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS);
    attribute = de_push_sequence(service);
    {
        uint8_t * additionalDescriptorAttribute = de_push_sequence(attribute);
        {
            uint8_t * l2cpProtocol = de_push_sequence(additionalDescriptorAttribute);
            {
                de_add_number(l2cpProtocol,  DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP);
                de_add_number(l2cpProtocol,  DE_UINT, DE_SIZE_16, PSM_HID_INTERRUPT);
            }
            de_pop_sequence(additionalDescriptorAttribute, l2cpProtocol);

            uint8_t * hidProtocol = de_push_sequence(attribute);
            {
                de_add_number(hidProtocol,  DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_HIDP);
            }
            de_pop_sequence(attribute, hidProtocol);
        }
        de_pop_sequence(attribute, additionalDescriptorAttribute);
    }
    de_pop_sequence(service, attribute);

    // 0x0100 "ServiceName"
    de_add_number(service,  DE_UINT, DE_SIZE_16, 0x0100);
    de_add_data(service,  DE_STRING, strlen(device_name), (uint8_t *) device_name);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST);
    attribute = de_push_sequence(service);
    {
        uint8_t * hidProfile = de_push_sequence(attribute);
        {
            de_add_number(hidProfile,  DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE_SERVICE);
            de_add_number(hidProfile,  DE_UINT, DE_SIZE_16, 0x0101);    // Version 1.1
        }
        de_pop_sequence(attribute, hidProfile);
    }
    de_pop_sequence(service, attribute);

    // Deprecated in v1.1.1
    // de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_DEVICE_RELEASE_NUMBER);
    // de_add_number(service,  DE_UINT, DE_SIZE_16, 0x0101);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_PARSER_VERSION);
    de_add_number(service,  DE_UINT, DE_SIZE_16, 0x0111);  // v1.1.1

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_DEVICE_SUBCLASS);
    de_add_number(service,  DE_UINT, DE_SIZE_16, hid_device_subclass);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_COUNTRY_CODE);
    de_add_number(service,  DE_UINT, DE_SIZE_16, hid_country_code);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_VIRTUAL_CABLE);
    de_add_number(service,  DE_BOOL, DE_SIZE_8,  hid_virtual_cable);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_RECONNECT_INITIATE);
    de_add_number(service,  DE_BOOL, DE_SIZE_8,  hid_reconnect_initiate);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_DESCRIPTOR_LIST);
    attribute = de_push_sequence(service);
    {
        uint8_t* hidDescriptor = de_push_sequence(attribute);
        {
            de_add_number(hidDescriptor,  DE_UINT, DE_SIZE_8, 0x22);    // Report Descriptor
            de_add_data(hidDescriptor,  DE_STRING, hid_descriptor_size, (uint8_t *) hid_descriptor);
        }
        de_pop_sequence(attribute, hidDescriptor);
    }
    de_pop_sequence(service, attribute);

    de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_BOOT_DEVICE);
    de_add_number(service,  DE_BOOL, DE_SIZE_8,  hid_boot_device);
}