Nordic Semiconductor
Nordic stack and drivers for the mbed BLE API
Dependents: BLE_ANCS_SDAPI BLE_temperature BLE_HeartRate writable_gatt ... more
Diff: TARGET_MCU_NRF51822/sdk/source/ble/common/ble_advdata.c
- Revision:
- 638:c90ae1400bf2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_MCU_NRF51822/sdk/source/ble/common/ble_advdata.c Wed Sep 14 14:39:43 2016 +0100
@@ -0,0 +1,861 @@
+/*
+ * Copyright (c) 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 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 other
+ * contributors to this software may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT HOLDER 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.
+ *
+ */
+
+#include "ble_advdata.h"
+#include "nordic_common.h"
+#include "nrf_error.h"
+#include "ble_gap.h"
+#include "ble_srv_common.h"
+#include "app_util.h"
+
+// NOTE: For now, Security Manager Out of Band Flags (OOB) are omitted from the advertising data.
+
+// Types of LE Bluetooth Device Address AD type
+#define AD_TYPE_BLE_DEVICE_ADDR_TYPE_PUBLIC 0UL
+#define AD_TYPE_BLE_DEVICE_ADDR_TYPE_RANDOM 1UL
+
+static uint32_t tk_value_encode(ble_advdata_tk_value_t * p_tk_value,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ int8_t i;
+
+ // Check for buffer overflow.
+ if (((*p_offset) + AD_TYPE_TK_VALUE_SIZE) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Encode LE Role.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + AD_TYPE_TK_VALUE_DATA_SIZE);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_SECURITY_MANAGER_TK_VALUE;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+
+ for (i = AD_TYPE_TK_VALUE_DATA_SIZE - 1; i >= 0; i--, (*p_offset)++)
+ {
+ p_encoded_data[*p_offset] = p_tk_value->tk[i];
+ }
+
+ return NRF_SUCCESS;
+}
+
+static uint32_t le_role_encode(ble_advdata_le_role_t le_role,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ // Check for buffer overflow.
+ if (((*p_offset) + AD_TYPE_LE_ROLE_SIZE) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Encode LE Role.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + AD_TYPE_LE_ROLE_DATA_SIZE);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_LE_ROLE;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+ switch(le_role)
+ {
+ case BLE_ADVDATA_ROLE_ONLY_PERIPH:
+ p_encoded_data[*p_offset] = 0;
+ break;
+ case BLE_ADVDATA_ROLE_ONLY_CENTRAL:
+ p_encoded_data[*p_offset] = 1;
+ break;
+ case BLE_ADVDATA_ROLE_BOTH_PERIPH_PREFERRED:
+ p_encoded_data[*p_offset] = 2;
+ break;
+ case BLE_ADVDATA_ROLE_BOTH_CENTRAL_PREFERRED:
+ p_encoded_data[*p_offset] = 3;
+ break;
+ default:
+ return NRF_ERROR_INVALID_PARAM;
+ }
+ *p_offset += AD_TYPE_LE_ROLE_DATA_SIZE;
+
+ return NRF_SUCCESS;
+}
+
+static uint32_t ble_device_addr_encode(uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ uint32_t err_code;
+ ble_gap_addr_t device_addr;
+
+ // Check for buffer overflow.
+ if (((*p_offset) + AD_TYPE_BLE_DEVICE_ADDR_SIZE) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Get BLE address
+ err_code = sd_ble_gap_address_get(&device_addr);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Encode LE Bluetooth Device Address
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE +
+ AD_TYPE_BLE_DEVICE_ADDR_DATA_SIZE);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_LE_BLUETOOTH_DEVICE_ADDRESS;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+ memcpy(&p_encoded_data[*p_offset], &device_addr.addr[0], BLE_GAP_ADDR_LEN);
+ *p_offset += BLE_GAP_ADDR_LEN;
+ if(BLE_GAP_ADDR_TYPE_PUBLIC == device_addr.addr_type)
+ {
+ p_encoded_data[*p_offset] = AD_TYPE_BLE_DEVICE_ADDR_TYPE_PUBLIC;
+ }
+ else
+ {
+ p_encoded_data[*p_offset] = AD_TYPE_BLE_DEVICE_ADDR_TYPE_RANDOM;
+ }
+ *p_offset += AD_TYPE_BLE_DEVICE_ADDR_TYPE_SIZE;
+
+ return NRF_SUCCESS;
+}
+
+static uint32_t name_encode(const ble_advdata_t * p_advdata,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ uint32_t err_code;
+ uint16_t rem_adv_data_len;
+ uint16_t actual_length;
+ uint8_t adv_data_format;
+
+
+ // Validate parameters
+ if((BLE_ADVDATA_SHORT_NAME == p_advdata->name_type) && (0 == p_advdata->short_name_len))
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ // Check for buffer overflow.
+ if ( (((*p_offset) + ADV_AD_DATA_OFFSET) > max_size) ||
+ ( (BLE_ADVDATA_SHORT_NAME == p_advdata->name_type) &&
+ (((*p_offset) + ADV_AD_DATA_OFFSET + p_advdata->short_name_len) > max_size)))
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ rem_adv_data_len = max_size - (*p_offset) - ADV_AD_DATA_OFFSET;
+ actual_length = rem_adv_data_len;
+
+ // Get GAP device name and length
+ err_code = sd_ble_gap_device_name_get(&p_encoded_data[(*p_offset) + ADV_AD_DATA_OFFSET],
+ &actual_length);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Check if device intend to use short name and it can fit available data size.
+ if ((p_advdata->name_type == BLE_ADVDATA_FULL_NAME) && (actual_length <= rem_adv_data_len))
+ {
+ // Complete device name can fit, setting Complete Name in Adv Data.
+ adv_data_format = BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME;
+ }
+ else
+ {
+ // Else short name needs to be used. Or application has requested use of short name.
+ adv_data_format = BLE_GAP_AD_TYPE_SHORT_LOCAL_NAME;
+
+ // If application has set a preference on the short name size, it needs to be considered,
+ // else fit what can be fit.
+ if ((BLE_ADVDATA_SHORT_NAME == p_advdata->name_type) &&
+ (p_advdata->short_name_len <= rem_adv_data_len))
+ {
+ // Short name fits available size.
+ actual_length = p_advdata->short_name_len;
+ }
+ // Else whatever can fit the data buffer will be packed.
+ else
+ {
+ actual_length = rem_adv_data_len;
+ }
+ }
+
+ // There is only 1 byte intended to encode length which is (actual_length + ADV_AD_TYPE_FIELD_SIZE)
+ if(actual_length > (0x00FF - ADV_AD_TYPE_FIELD_SIZE))
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Complete name field in encoded data.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + actual_length);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = adv_data_format;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+ *p_offset += actual_length;
+
+ return NRF_SUCCESS;
+}
+
+
+static uint32_t appearance_encode(uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ uint32_t err_code;
+ uint16_t appearance;
+
+ // Check for buffer overflow.
+ if (((*p_offset) + AD_TYPE_APPEARANCE_SIZE) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Get GAP appearance field.
+ err_code = sd_ble_gap_appearance_get(&appearance);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Encode Length, AD Type and Appearance.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + AD_TYPE_APPEARANCE_DATA_SIZE);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_APPEARANCE;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+ *p_offset += uint16_encode(appearance, &p_encoded_data[*p_offset]);
+
+ return NRF_SUCCESS;
+}
+
+static uint32_t flags_encode(int8_t flags,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ // Check for buffer overflow.
+ if (((*p_offset) + AD_TYPE_FLAGS_SIZE) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Encode flags.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + AD_TYPE_FLAGS_DATA_SIZE);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_FLAGS;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+ p_encoded_data[*p_offset] = flags;
+ *p_offset += AD_TYPE_FLAGS_DATA_SIZE;
+
+ return NRF_SUCCESS;
+}
+
+static uint32_t sec_mgr_oob_flags_encode(uint8_t oob_flags,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ // Check for buffer overflow.
+ if (((*p_offset) + AD_TYPE_OOB_FLAGS_SIZE) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Encode flags.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + AD_TYPE_OOB_FLAGS_DATA_SIZE);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_SECURITY_MANAGER_OOB_FLAGS;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+ p_encoded_data[*p_offset] = oob_flags;
+ *p_offset += AD_TYPE_OOB_FLAGS_DATA_SIZE;
+
+ return NRF_SUCCESS;
+}
+
+static uint32_t tx_power_level_encode(int8_t tx_power_level,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ // Check for buffer overflow.
+ if (((*p_offset) + AD_TYPE_TX_POWER_LEVEL_SIZE) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Encode TX Power Level.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE +
+ AD_TYPE_TX_POWER_LEVEL_DATA_SIZE);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_TX_POWER_LEVEL;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+ p_encoded_data[*p_offset] = tx_power_level;
+ *p_offset += AD_TYPE_TX_POWER_LEVEL_DATA_SIZE;
+
+ return NRF_SUCCESS;
+}
+
+
+static uint32_t uuid_list_sized_encode(const ble_advdata_uuid_list_t * p_uuid_list,
+ uint8_t adv_type,
+ uint8_t uuid_size,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ int i;
+ bool is_heading_written = false;
+ uint16_t start_pos = *p_offset;
+ uint16_t length;
+
+ for (i = 0; i < p_uuid_list->uuid_cnt; i++)
+ {
+ uint32_t err_code;
+ uint8_t encoded_size;
+ ble_uuid_t uuid = p_uuid_list->p_uuids[i];
+
+ // Find encoded uuid size.
+ err_code = sd_ble_uuid_encode(&uuid, &encoded_size, NULL);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Check size.
+ if (encoded_size == uuid_size)
+ {
+ uint8_t heading_bytes = (is_heading_written) ? 0 : ADV_AD_DATA_OFFSET;
+
+ // Check for buffer overflow
+ if (((*p_offset) + encoded_size + heading_bytes) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ if (!is_heading_written)
+ {
+ // Write AD structure heading.
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = adv_type;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+ is_heading_written = true;
+ }
+
+ // Write UUID.
+ err_code = sd_ble_uuid_encode(&uuid, &encoded_size, &p_encoded_data[*p_offset]);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ *p_offset += encoded_size;
+ }
+ }
+
+ if (is_heading_written)
+ {
+ // Write length.
+ length = (*p_offset) - (start_pos + ADV_LENGTH_FIELD_SIZE);
+ // There is only 1 byte intended to encode length
+ if(length > 0x00FF)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+ p_encoded_data[start_pos] = (uint8_t)length;
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+static uint32_t uuid_list_encode(const ble_advdata_uuid_list_t * p_uuid_list,
+ uint8_t adv_type_16,
+ uint8_t adv_type_128,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ uint32_t err_code;
+
+ // Encode 16 bit UUIDs.
+ err_code = uuid_list_sized_encode(p_uuid_list,
+ adv_type_16,
+ sizeof(uint16_le_t),
+ p_encoded_data,
+ p_offset,
+ max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Encode 128 bit UUIDs.
+ err_code = uuid_list_sized_encode(p_uuid_list,
+ adv_type_128,
+ sizeof(ble_uuid128_t),
+ p_encoded_data,
+ p_offset,
+ max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+static uint32_t conn_int_check(const ble_advdata_conn_int_t *p_conn_int)
+{
+ // Check Minimum Connection Interval.
+ if ((p_conn_int->min_conn_interval < 0x0006) ||
+ (
+ (p_conn_int->min_conn_interval > 0x0c80) &&
+ (p_conn_int->min_conn_interval != 0xffff)
+ )
+ )
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ // Check Maximum Connection Interval.
+ if ((p_conn_int->max_conn_interval < 0x0006) ||
+ (
+ (p_conn_int->max_conn_interval > 0x0c80) &&
+ (p_conn_int->max_conn_interval != 0xffff)
+ )
+ )
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ // Make sure Minimum Connection Interval is not bigger than Maximum Connection Interval.
+ if ((p_conn_int->min_conn_interval != 0xffff) &&
+ (p_conn_int->max_conn_interval != 0xffff) &&
+ (p_conn_int->min_conn_interval > p_conn_int->max_conn_interval)
+ )
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+static uint32_t conn_int_encode(const ble_advdata_conn_int_t * p_conn_int,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ uint32_t err_code;
+
+ // Check for buffer overflow.
+ if (((*p_offset) + AD_TYPE_CONN_INT_SIZE) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Check parameters.
+ err_code = conn_int_check(p_conn_int);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Encode Length and AD Type.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + AD_TYPE_CONN_INT_DATA_SIZE);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_SLAVE_CONNECTION_INTERVAL_RANGE;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+
+ // Encode Minimum and Maximum Connection Intervals.
+ *p_offset += uint16_encode(p_conn_int->min_conn_interval, &p_encoded_data[*p_offset]);
+ *p_offset += uint16_encode(p_conn_int->max_conn_interval, &p_encoded_data[*p_offset]);
+
+ return NRF_SUCCESS;
+}
+
+
+static uint32_t manuf_specific_data_encode(const ble_advdata_manuf_data_t * p_manuf_sp_data,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ uint32_t data_size = AD_TYPE_MANUF_SPEC_DATA_ID_SIZE + p_manuf_sp_data->data.size;
+
+ // Check for buffer overflow.
+ if (((*p_offset) + ADV_AD_DATA_OFFSET + data_size) > max_size)
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // There is only 1 byte intended to encode length which is (data_size + ADV_AD_TYPE_FIELD_SIZE)
+ if(data_size > (0x00FF - ADV_AD_TYPE_FIELD_SIZE))
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Encode Length and AD Type.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + data_size);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_MANUFACTURER_SPECIFIC_DATA;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+
+ // Encode Company Identifier.
+ *p_offset += uint16_encode(p_manuf_sp_data->company_identifier, &p_encoded_data[*p_offset]);
+
+ // Encode additional manufacturer specific data.
+ if (p_manuf_sp_data->data.size > 0)
+ {
+ if (p_manuf_sp_data->data.p_data == NULL)
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+ memcpy(&p_encoded_data[*p_offset], p_manuf_sp_data->data.p_data, p_manuf_sp_data->data.size);
+ *p_offset += p_manuf_sp_data->data.size;
+ }
+
+ return NRF_SUCCESS;
+}
+
+// Implemented only for 16-bit UUIDs
+static uint32_t service_data_encode(const ble_advdata_t * p_advdata,
+ uint8_t * p_encoded_data,
+ uint16_t * p_offset,
+ uint16_t max_size)
+{
+ uint8_t i;
+
+ // Check parameter consistency.
+ if (p_advdata->p_service_data_array == NULL)
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ for (i = 0; i < p_advdata->service_data_count; i++)
+ {
+ ble_advdata_service_data_t * p_service_data;
+ uint32_t data_size;
+
+ p_service_data = &p_advdata->p_service_data_array[i];
+ // For now implemented only for 16-bit UUIDs
+ data_size = AD_TYPE_SERV_DATA_16BIT_UUID_SIZE + p_service_data->data.size;
+
+ // There is only 1 byte intended to encode length which is (data_size + ADV_AD_TYPE_FIELD_SIZE)
+ if(data_size > (0x00FF - ADV_AD_TYPE_FIELD_SIZE))
+ {
+ return NRF_ERROR_DATA_SIZE;
+ }
+
+ // Encode Length and AD Type.
+ p_encoded_data[*p_offset] = (uint8_t)(ADV_AD_TYPE_FIELD_SIZE + data_size);
+ *p_offset += ADV_LENGTH_FIELD_SIZE;
+ p_encoded_data[*p_offset] = BLE_GAP_AD_TYPE_SERVICE_DATA;
+ *p_offset += ADV_AD_TYPE_FIELD_SIZE;
+
+ // Encode service 16-bit UUID.
+ *p_offset += uint16_encode(p_service_data->service_uuid, &p_encoded_data[*p_offset]);
+
+ // Encode additional service data.
+ if (p_service_data->data.size > 0)
+ {
+ if (p_service_data->data.p_data == NULL)
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+ memcpy(&p_encoded_data[*p_offset], p_service_data->data.p_data, p_service_data->data.size);
+ *p_offset += p_service_data->data.size;
+ }
+ }
+
+ return NRF_SUCCESS;
+}
+
+uint32_t adv_data_encode(ble_advdata_t const * const p_advdata,
+ uint8_t * const p_encoded_data,
+ uint16_t * const p_len)
+{
+ uint32_t err_code = NRF_SUCCESS;
+ uint16_t max_size = *p_len;
+ *p_len = 0;
+
+ //Encode Security Manager OOB Flags
+ if (p_advdata->p_sec_mgr_oob_flags != NULL)
+ {
+ err_code = sec_mgr_oob_flags_encode(*p_advdata->p_sec_mgr_oob_flags,
+ p_encoded_data,
+ p_len,
+ max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode Security Manager TK value
+ if (NULL != p_advdata->p_tk_value)
+ {
+ err_code = tk_value_encode(p_advdata->p_tk_value, p_encoded_data, p_len, max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode LE Role
+ if (BLE_ADVDATA_ROLE_NOT_PRESENT != p_advdata->le_role)
+ {
+ err_code = le_role_encode(p_advdata->le_role, p_encoded_data, p_len, max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode LE Bluetooth Device Address
+ if (p_advdata->include_ble_device_addr)
+ {
+ err_code = ble_device_addr_encode(p_encoded_data, p_len, max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode appearance.
+ if (p_advdata->include_appearance)
+ {
+ err_code = appearance_encode(p_encoded_data, p_len, max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ //Encode Flags
+ if(p_advdata->flags != 0 )
+ {
+ err_code = flags_encode(p_advdata->flags, p_encoded_data, p_len, max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode TX power level.
+ if (p_advdata->p_tx_power_level != NULL)
+ {
+ err_code = tx_power_level_encode(*p_advdata->p_tx_power_level,
+ p_encoded_data,
+ p_len,
+ max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode 'more available' uuid list.
+ if (p_advdata->uuids_more_available.uuid_cnt > 0)
+ {
+ err_code = uuid_list_encode(&p_advdata->uuids_more_available,
+ BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_MORE_AVAILABLE,
+ BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_MORE_AVAILABLE,
+ p_encoded_data,
+ p_len,
+ max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode 'complete' uuid list.
+ if (p_advdata->uuids_complete.uuid_cnt > 0)
+ {
+ err_code = uuid_list_encode(&p_advdata->uuids_complete,
+ BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_COMPLETE,
+ BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_COMPLETE,
+ p_encoded_data,
+ p_len,
+ max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode 'solicited service' uuid list.
+ if (p_advdata->uuids_solicited.uuid_cnt > 0)
+ {
+ err_code = uuid_list_encode(&p_advdata->uuids_solicited,
+ BLE_GAP_AD_TYPE_SOLICITED_SERVICE_UUIDS_16BIT,
+ BLE_GAP_AD_TYPE_SOLICITED_SERVICE_UUIDS_128BIT,
+ p_encoded_data,
+ p_len,
+ max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode Slave Connection Interval Range.
+ if (p_advdata->p_slave_conn_int != NULL)
+ {
+ err_code = conn_int_encode(p_advdata->p_slave_conn_int, p_encoded_data, p_len, max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode Manufacturer Specific Data.
+ if (p_advdata->p_manuf_specific_data != NULL)
+ {
+ err_code = manuf_specific_data_encode(p_advdata->p_manuf_specific_data,
+ p_encoded_data,
+ p_len,
+ max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode Service Data.
+ if (p_advdata->service_data_count > 0)
+ {
+ err_code = service_data_encode(p_advdata, p_encoded_data, p_len, max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ // Encode name. WARNING: it is encoded last on purpose since too long device name is truncated.
+ if (p_advdata->name_type != BLE_ADVDATA_NO_NAME)
+ {
+ err_code = name_encode(p_advdata, p_encoded_data, p_len, max_size);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ return err_code;
+}
+
+
+static uint32_t advdata_check(const ble_advdata_t * p_advdata)
+{
+ // Flags must be included in advertising data, and the BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED flag must be set.
+ if (
+ ((p_advdata->flags & BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED) == 0)
+ )
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+static uint32_t srdata_check(const ble_advdata_t * p_srdata)
+{
+ // Flags shall not be included in the scan response data.
+ if (p_srdata->flags)
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+uint32_t ble_advdata_set(const ble_advdata_t * p_advdata, const ble_advdata_t * p_srdata)
+{
+ uint32_t err_code;
+ uint16_t len_advdata = BLE_GAP_ADV_MAX_SIZE;
+ uint16_t len_srdata = BLE_GAP_ADV_MAX_SIZE;
+ uint8_t encoded_advdata[BLE_GAP_ADV_MAX_SIZE];
+ uint8_t encoded_srdata[BLE_GAP_ADV_MAX_SIZE];
+ uint8_t * p_encoded_advdata;
+ uint8_t * p_encoded_srdata;
+
+ // Encode advertising data (if supplied).
+ if (p_advdata != NULL)
+ {
+ err_code = advdata_check(p_advdata);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ err_code = adv_data_encode(p_advdata, encoded_advdata, &len_advdata);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ p_encoded_advdata = encoded_advdata;
+ }
+ else
+ {
+ p_encoded_advdata = NULL;
+ len_advdata = 0;
+ }
+
+ // Encode scan response data (if supplied).
+ if (p_srdata != NULL)
+ {
+ err_code = srdata_check(p_srdata);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ err_code = adv_data_encode(p_srdata, encoded_srdata, &len_srdata);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ p_encoded_srdata = encoded_srdata;
+ }
+ else
+ {
+ p_encoded_srdata = NULL;
+ len_srdata = 0;
+ }
+
+ // Pass encoded advertising data and/or scan response data to the stack.
+ return sd_ble_gap_adv_data_set(p_encoded_advdata, len_advdata, p_encoded_srdata, len_srdata);
+}
