xiaozhengsheng 6df0f7d96e 初始版本
2025-08-19 09:49:41 +08:00

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C

/**
* Copyright (c) 2012 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
/* Attention!
* To maintain compliance with Nordic Semiconductor ASA's Bluetooth profile
* qualification listings, this section of source code must not be modified.
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(BLE_DIS)
#include "ble_dis.h"
#include <stdlib.h>
#include <string.h>
#include "app_error.h"
#include "ble_gatts.h"
#include "ble_srv_common.h"
#define BLE_DIS_SYS_ID_LEN 8 /**< Length of System ID Characteristic Value. */
#define BLE_DIS_PNP_ID_LEN 7 /**< Length of Pnp ID Characteristic Value. */
static uint16_t service_handle;
static ble_gatts_char_handles_t manufact_name_handles;
static ble_gatts_char_handles_t model_num_handles;
static ble_gatts_char_handles_t serial_num_handles;
static ble_gatts_char_handles_t hw_rev_handles;
static ble_gatts_char_handles_t fw_rev_handles;
static ble_gatts_char_handles_t sw_rev_handles;
static ble_gatts_char_handles_t sys_id_handles;
static ble_gatts_char_handles_t reg_cert_data_list_handles;
static ble_gatts_char_handles_t pnp_id_handles;
/**@brief Function for encoding a System ID.
*
* @param[out] p_encoded_buffer Buffer where the encoded data will be written.
* @param[in] p_sys_id System ID to be encoded.
*/
static void sys_id_encode(uint8_t * p_encoded_buffer, ble_dis_sys_id_t const * p_sys_id)
{
APP_ERROR_CHECK_BOOL(p_sys_id != NULL);
APP_ERROR_CHECK_BOOL(p_encoded_buffer != NULL);
p_encoded_buffer[0] = (p_sys_id->manufacturer_id & 0x00000000FF);
p_encoded_buffer[1] = (p_sys_id->manufacturer_id & 0x000000FF00) >> 8;
p_encoded_buffer[2] = (p_sys_id->manufacturer_id & 0x0000FF0000) >> 16;
p_encoded_buffer[3] = (p_sys_id->manufacturer_id & 0x00FF000000) >> 24;
p_encoded_buffer[4] = (p_sys_id->manufacturer_id & 0xFF00000000) >> 32;
p_encoded_buffer[5] = (p_sys_id->organizationally_unique_id & 0x0000FF);
p_encoded_buffer[6] = (p_sys_id->organizationally_unique_id & 0x00FF00) >> 8;
p_encoded_buffer[7] = (p_sys_id->organizationally_unique_id & 0xFF0000) >> 16;
}
/**@brief Function for encoding a PnP ID.
*
* @param[out] p_encoded_buffer Buffer where the encoded data will be written.
* @param[in] p_pnp_id PnP ID to be encoded.
*/
static void pnp_id_encode(uint8_t * p_encoded_buffer, ble_dis_pnp_id_t const * p_pnp_id)
{
uint8_t len = 0;
APP_ERROR_CHECK_BOOL(p_pnp_id != NULL);
APP_ERROR_CHECK_BOOL(p_encoded_buffer != NULL);
p_encoded_buffer[len++] = p_pnp_id->vendor_id_source;
len += uint16_encode(p_pnp_id->vendor_id, &p_encoded_buffer[len]);
len += uint16_encode(p_pnp_id->product_id, &p_encoded_buffer[len]);
len += uint16_encode(p_pnp_id->product_version, &p_encoded_buffer[len]);
APP_ERROR_CHECK_BOOL(len == BLE_DIS_PNP_ID_LEN);
}
/**@brief Function for adding the Characteristic.
*
* @param[in] uuid UUID of characteristic to be added.
* @param[in] p_char_value Initial value of characteristic to be added.
* @param[in] char_len Length of initial value. This will also be the maximum value.
* @param[in] rd_sec Security requirement for reading characteristic value.
* @param[out] p_handles Handles of new characteristic.
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
static uint32_t char_add(uint16_t uuid,
uint8_t * p_char_value,
uint16_t char_len,
security_req_t const rd_sec,
ble_gatts_char_handles_t * p_handles)
{
ble_add_char_params_t add_char_params;
APP_ERROR_CHECK_BOOL(p_char_value != NULL);
APP_ERROR_CHECK_BOOL(char_len > 0);
memset(&add_char_params, 0, sizeof(add_char_params));
add_char_params.uuid = uuid;
add_char_params.max_len = char_len;
add_char_params.init_len = char_len;
add_char_params.p_init_value = p_char_value;
add_char_params.char_props.read = 1;
add_char_params.read_access = rd_sec;
return characteristic_add(service_handle, &add_char_params, p_handles);
}
uint32_t ble_dis_init(ble_dis_init_t const * p_dis_init)
{
uint32_t err_code;
ble_uuid_t ble_uuid;
// Add service
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_DEVICE_INFORMATION_SERVICE);
err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &service_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
// Add characteristics
if (p_dis_init->manufact_name_str.length > 0)
{
err_code = char_add(BLE_UUID_MANUFACTURER_NAME_STRING_CHAR,
p_dis_init->manufact_name_str.p_str,
p_dis_init->manufact_name_str.length,
p_dis_init->dis_char_rd_sec,
&manufact_name_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
if (p_dis_init->model_num_str.length > 0)
{
err_code = char_add(BLE_UUID_MODEL_NUMBER_STRING_CHAR,
p_dis_init->model_num_str.p_str,
p_dis_init->model_num_str.length,
p_dis_init->dis_char_rd_sec,
&model_num_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
if (p_dis_init->serial_num_str.length > 0)
{
err_code = char_add(BLE_UUID_SERIAL_NUMBER_STRING_CHAR,
p_dis_init->serial_num_str.p_str,
p_dis_init->serial_num_str.length,
p_dis_init->dis_char_rd_sec,
&serial_num_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
if (p_dis_init->hw_rev_str.length > 0)
{
err_code = char_add(BLE_UUID_HARDWARE_REVISION_STRING_CHAR,
p_dis_init->hw_rev_str.p_str,
p_dis_init->hw_rev_str.length,
p_dis_init->dis_char_rd_sec,
&hw_rev_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
if (p_dis_init->fw_rev_str.length > 0)
{
err_code = char_add(BLE_UUID_FIRMWARE_REVISION_STRING_CHAR,
p_dis_init->fw_rev_str.p_str,
p_dis_init->fw_rev_str.length,
p_dis_init->dis_char_rd_sec,
&fw_rev_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
if (p_dis_init->sw_rev_str.length > 0)
{
err_code = char_add(BLE_UUID_SOFTWARE_REVISION_STRING_CHAR,
p_dis_init->sw_rev_str.p_str,
p_dis_init->sw_rev_str.length,
p_dis_init->dis_char_rd_sec,
&sw_rev_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
if (p_dis_init->p_sys_id != NULL)
{
uint8_t encoded_sys_id[BLE_DIS_SYS_ID_LEN];
sys_id_encode(encoded_sys_id, p_dis_init->p_sys_id);
err_code = char_add(BLE_UUID_SYSTEM_ID_CHAR,
encoded_sys_id,
BLE_DIS_SYS_ID_LEN,
p_dis_init->dis_char_rd_sec,
&sys_id_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
if (p_dis_init->p_reg_cert_data_list != NULL)
{
err_code = char_add(BLE_UUID_IEEE_REGULATORY_CERTIFICATION_DATA_LIST_CHAR,
p_dis_init->p_reg_cert_data_list->p_list,
p_dis_init->p_reg_cert_data_list->list_len,
p_dis_init->dis_char_rd_sec,
&reg_cert_data_list_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
if (p_dis_init->p_pnp_id != NULL)
{
uint8_t encoded_pnp_id[BLE_DIS_PNP_ID_LEN];
pnp_id_encode(encoded_pnp_id, p_dis_init->p_pnp_id);
err_code = char_add(BLE_UUID_PNP_ID_CHAR,
encoded_pnp_id,
BLE_DIS_PNP_ID_LEN,
p_dis_init->dis_char_rd_sec,
&pnp_id_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
return NRF_SUCCESS;
}
#endif // NRF_MODULE_ENABLED(BLE_DIS)