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-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls.c1314
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls.h323
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.c143
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.h121
4 files changed, 1901 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls.c
new file mode 100644
index 0000000..2fe5f70
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls.c
@@ -0,0 +1,1314 @@
+/**
+ * Copyright (c) 2012 - 2018, 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_GLS)
+
+#include "ble_gls.h"
+#include <string.h>
+#include "ble_gls_db.h"
+#include "ble_racp.h"
+#include "ble_srv_common.h"
+
+
+#define OPERAND_FILTER_TYPE_SEQ_NUM 0x01 /**< Filter data using Sequence Number criteria. */
+#define OPERAND_FILTER_TYPE_FACING_TIME 0x02 /**< Filter data using User Facing Time criteria. */
+#define OPERAND_FILTER_TYPE_RFU_START 0x07 /**< Start of filter types reserved For Future Use range */
+#define OPERAND_FILTER_TYPE_RFU_END 0xFF /**< End of filter types reserved For Future Use range */
+
+#define OPCODE_LENGTH 1 /**< Length of opcode inside Glucose Measurement packet. */
+#define HANDLE_LENGTH 2 /**< Length of handle inside Glucose Measurement packet. */
+#define MAX_GLM_LEN (BLE_GATT_ATT_MTU_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH) /**< Maximum size of a transmitted Glucose Measurement. */
+
+#define GLS_NACK_PROC_ALREADY_IN_PROGRESS BLE_GATT_STATUS_ATTERR_APP_BEGIN + 0 /**< Reply when a requested procedure is already in progress. */
+#define GLS_NACK_CCCD_IMPROPERLY_CONFIGURED BLE_GATT_STATUS_ATTERR_APP_BEGIN + 1 /**< Reply when the a s CCCD is improperly configured. */
+
+/**@brief Glucose Service communication state. */
+typedef enum
+{
+ STATE_NO_COMM, /**< The service is not in a communicating state. */
+ STATE_RACP_PROC_ACTIVE, /**< Processing requested data. */
+ STATE_RACP_RESPONSE_PENDING, /**< There is a RACP indication waiting to be sent. */
+ STATE_RACP_RESPONSE_IND_VERIF /**< Waiting for a verification of a RACP indication. */
+} gls_state_t;
+
+static gls_state_t m_gls_state; /**< Current communication state. */
+static uint16_t m_next_seq_num; /**< Sequence number of the next database record. */
+static uint8_t m_racp_proc_operator; /**< Operator of current request. */
+static uint16_t m_racp_proc_seq_num; /**< Sequence number of current request. */
+static uint8_t m_racp_proc_record_ndx; /**< Current record index. */
+static uint8_t m_racp_proc_records_reported; /**< Number of reported records. */
+static uint8_t m_racp_proc_records_reported_since_txcomplete; /**< Number of reported records since last TX_COMPLETE event. */
+static ble_racp_value_t m_pending_racp_response; /**< RACP response to be sent. */
+static uint8_t m_pending_racp_response_operand[2]; /**< Operand of RACP response to be sent. */
+
+
+/**@brief Function for setting the GLS communication state.
+ *
+ * @param[in] new_state New communication state.
+ */
+static void state_set(gls_state_t new_state)
+{
+ m_gls_state = new_state;
+}
+
+
+/**@brief Function for setting the next sequence number by reading the last record in the data base.
+ *
+ * @return NRF_SUCCESS on successful initialization of service, otherwise an error code.
+ */
+static uint32_t next_sequence_number_set(void)
+{
+ uint16_t num_records;
+ ble_gls_rec_t rec;
+
+ num_records = ble_gls_db_num_records_get();
+ if (num_records > 0)
+ {
+ // Get last record
+ uint32_t err_code = ble_gls_db_record_get(num_records - 1, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ m_next_seq_num = rec.meas.sequence_number + 1;
+ }
+ else
+ {
+ m_next_seq_num = 0;
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+/**@brief Function for encoding a Glucose measurement.
+ *
+ * @param[in] p_meas Measurement to be encoded.
+ * @param[out] p_encoded_buffer Pointer to buffer where the encoded measurement is to be stored.
+ *
+ * @return Size of encoded measurement.
+ */
+static uint8_t gls_meas_encode(const ble_gls_meas_t * p_meas, uint8_t * p_encoded_buffer)
+{
+ uint8_t len = 0;
+
+ p_encoded_buffer[len++] = p_meas->flags;
+
+ len += uint16_encode(p_meas->sequence_number, &p_encoded_buffer[len]);
+ len += ble_date_time_encode(&p_meas->base_time, &p_encoded_buffer[len]);
+
+ if (p_meas->flags & BLE_GLS_MEAS_FLAG_TIME_OFFSET)
+ {
+ len += uint16_encode(p_meas->time_offset, &p_encoded_buffer[len]);
+ }
+
+ if (p_meas->flags & BLE_GLS_MEAS_FLAG_CONC_TYPE_LOC)
+ {
+ uint16_t encoded_concentration;
+
+ encoded_concentration = ((p_meas->glucose_concentration.exponent << 12) & 0xF000) |
+ ((p_meas->glucose_concentration.mantissa << 0) & 0x0FFF);
+
+ p_encoded_buffer[len++] = (uint8_t)(encoded_concentration);
+ p_encoded_buffer[len++] = (uint8_t)(encoded_concentration >> 8);
+ p_encoded_buffer[len++] = (p_meas->sample_location << 4) | (p_meas->type & 0x0F);
+ }
+
+ if (p_meas->flags & BLE_GLS_MEAS_FLAG_SENSOR_STATUS)
+ {
+ len += uint16_encode(p_meas->sensor_status_annunciation, &p_encoded_buffer[len]);
+ }
+
+ return len;
+}
+
+
+/**@brief Function for adding the characteristic for a glucose measurement.
+ *
+ * @param[in] p_gls Service instance.
+ *
+ * @return NRF_SUCCESS if characteristic was successfully added, otherwise an error code.
+ */
+static uint32_t glucose_measurement_char_add(ble_gls_t * p_gls)
+{
+ ble_gatts_char_md_t char_md;
+ ble_gatts_attr_md_t cccd_md;
+ ble_gatts_attr_t attr_char_value;
+ ble_uuid_t ble_uuid;
+ ble_gatts_attr_md_t attr_md;
+ ble_gls_rec_t initial_gls_rec_value;
+ uint8_t encoded_gls_meas[MAX_GLM_LEN];
+ uint8_t num_recs;
+ memset(&cccd_md, 0, sizeof(cccd_md));
+
+ BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
+ BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&cccd_md.write_perm);
+ cccd_md.vloc = BLE_GATTS_VLOC_STACK;
+
+ memset(&char_md, 0, sizeof(char_md));
+
+ char_md.char_props.notify = 1;
+ char_md.p_char_user_desc = NULL;
+ char_md.p_char_pf = NULL;
+ char_md.p_user_desc_md = NULL;
+ char_md.p_cccd_md = &cccd_md;
+ char_md.p_sccd_md = NULL;
+
+ BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_GLUCOSE_MEASUREMENT_CHAR);
+ memset(&attr_md, 0, sizeof(attr_md));
+
+ BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.read_perm);
+ BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.write_perm);
+
+ attr_md.vloc = BLE_GATTS_VLOC_STACK;
+ attr_md.rd_auth = 0;
+ attr_md.wr_auth = 0;
+ attr_md.vlen = 1;
+
+ memset(&attr_char_value, 0, sizeof(attr_char_value));
+ memset(&initial_gls_rec_value, 0, sizeof(initial_gls_rec_value));
+
+ num_recs = ble_gls_db_num_records_get();
+ if (num_recs > 0)
+ {
+ uint32_t err_code = ble_gls_db_record_get(num_recs - 1, &initial_gls_rec_value);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ attr_char_value.p_uuid = &ble_uuid;
+ attr_char_value.p_attr_md = &attr_md;
+ attr_char_value.init_len = gls_meas_encode(&initial_gls_rec_value.meas, encoded_gls_meas);
+ attr_char_value.init_offs = 0;
+ attr_char_value.max_len = MAX_GLM_LEN;
+ attr_char_value.p_value = encoded_gls_meas;
+
+ return sd_ble_gatts_characteristic_add(p_gls->service_handle,
+ &char_md,
+ &attr_char_value,
+ &p_gls->glm_handles);
+}
+
+
+/**@brief Function for adding the characteristic for a glucose feature.
+ *
+ * @param[in] p_gls Service instance.
+ *
+ * @return NRF_SUCCESS if characteristic was successfully added, otherwise an error code.
+ */
+static uint32_t glucose_feature_char_add(ble_gls_t * p_gls)
+{
+ ble_gatts_char_md_t char_md;
+ ble_gatts_attr_t attr_char_value;
+ ble_uuid_t ble_uuid;
+ ble_gatts_attr_md_t attr_md;
+ uint8_t encoded_initial_feature[2];
+
+ memset(&char_md, 0, sizeof(char_md));
+
+ char_md.char_props.read = 1;
+ char_md.p_char_user_desc = NULL;
+ char_md.p_char_pf = NULL;
+ char_md.p_user_desc_md = NULL;
+ char_md.p_cccd_md = NULL;
+ char_md.p_sccd_md = NULL;
+
+ BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_GLUCOSE_FEATURE_CHAR);
+
+ memset(&attr_md, 0, sizeof(attr_md));
+
+ BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&attr_md.read_perm);
+ BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.write_perm);
+
+ attr_md.vloc = BLE_GATTS_VLOC_STACK;
+ attr_md.rd_auth = 0;
+ attr_md.wr_auth = 0;
+ attr_md.vlen = 0;
+
+ memset(&attr_char_value, 0, sizeof(attr_char_value));
+
+ encoded_initial_feature[0] = (uint8_t)(p_gls->feature);
+ encoded_initial_feature[1] = (uint8_t)((p_gls->feature) >> 8);
+
+ attr_char_value.p_uuid = &ble_uuid;
+ attr_char_value.p_attr_md = &attr_md;
+ attr_char_value.init_len = sizeof (uint16_t);
+ attr_char_value.init_offs = 0;
+ attr_char_value.max_len = sizeof (uint16_t);
+ attr_char_value.p_value = encoded_initial_feature;
+
+ return sd_ble_gatts_characteristic_add(p_gls->service_handle,
+ &char_md,
+ &attr_char_value,
+ &p_gls->glf_handles);
+}
+
+
+/**@brief Function for adding the characteristic for a record access control point.
+ *
+ * @param[in] p_gls Service instance.
+ *
+ * @return NRF_SUCCESS if characteristic was successfully added, otherwise an error code.
+ */
+static uint32_t record_access_control_point_char_add(ble_gls_t * p_gls)
+{
+ ble_gatts_char_md_t char_md;
+ ble_gatts_attr_md_t cccd_md;
+ ble_gatts_attr_t attr_char_value;
+ ble_uuid_t ble_uuid;
+ ble_gatts_attr_md_t attr_md;
+
+ memset(&cccd_md, 0, sizeof(cccd_md));
+
+ BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
+ BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&cccd_md.write_perm);
+ cccd_md.vloc = BLE_GATTS_VLOC_STACK;
+
+ memset(&char_md, 0, sizeof(char_md));
+
+ char_md.char_props.indicate = 1;
+ char_md.char_props.write = 1;
+ char_md.p_char_user_desc = NULL;
+ char_md.p_char_pf = NULL;
+ char_md.p_user_desc_md = NULL;
+ char_md.p_cccd_md = &cccd_md;
+ char_md.p_sccd_md = NULL;
+
+ BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_RECORD_ACCESS_CONTROL_POINT_CHAR);
+
+ memset(&attr_md, 0, sizeof(attr_md));
+
+ BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.read_perm);
+ BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&attr_md.write_perm);
+
+ attr_md.vloc = BLE_GATTS_VLOC_STACK;
+ attr_md.rd_auth = 0;
+ attr_md.wr_auth = 1;
+ attr_md.vlen = 1;
+
+ memset(&attr_char_value, 0, sizeof(attr_char_value));
+
+ attr_char_value.p_uuid = &ble_uuid;
+ attr_char_value.p_attr_md = &attr_md;
+ attr_char_value.init_len = 0;
+ attr_char_value.init_offs = 0;
+ attr_char_value.max_len = BLE_GATT_ATT_MTU_DEFAULT;
+ attr_char_value.p_value = 0;
+
+ return sd_ble_gatts_characteristic_add(p_gls->service_handle,
+ &char_md,
+ &attr_char_value,
+ &p_gls->racp_handles);
+}
+
+
+uint32_t ble_gls_init(ble_gls_t * p_gls, const ble_gls_init_t * p_gls_init)
+{
+ uint32_t err_code;
+ ble_uuid_t ble_uuid;
+
+ // Initialize data base
+ err_code = ble_gls_db_init();
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ err_code = next_sequence_number_set();
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Initialize service structure
+ p_gls->evt_handler = p_gls_init->evt_handler;
+ p_gls->error_handler = p_gls_init->error_handler;
+ p_gls->feature = p_gls_init->feature;
+ p_gls->is_context_supported = p_gls_init->is_context_supported;
+ p_gls->conn_handle = BLE_CONN_HANDLE_INVALID;
+
+
+ // Initialize global variables
+ state_set(STATE_NO_COMM);
+ m_racp_proc_records_reported_since_txcomplete = 0;
+
+ // Add service
+ BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_GLUCOSE_SERVICE);
+
+ err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &p_gls->service_handle);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Add glucose measurement characteristic
+ err_code = glucose_measurement_char_add(p_gls);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Add glucose measurement feature characteristic
+ err_code = glucose_feature_char_add(p_gls);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ // Add record control access point characteristic
+ err_code = record_access_control_point_char_add(p_gls);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+/**@brief Function for sending a response from the Record Access Control Point.
+ *
+ * @param[in] p_gls Service instance.
+ * @param[in] p_racp_val RACP value to be sent.
+ */
+static void racp_send(ble_gls_t * p_gls, ble_racp_value_t * p_racp_val)
+{
+ uint32_t err_code;
+ uint8_t encoded_resp[25];
+ uint8_t len;
+ uint16_t hvx_len;
+ ble_gatts_hvx_params_t hvx_params;
+
+ if (
+ (m_gls_state != STATE_RACP_RESPONSE_PENDING)
+ &&
+ (m_racp_proc_records_reported_since_txcomplete > 0)
+ )
+ {
+ state_set(STATE_RACP_RESPONSE_PENDING);
+ return;
+ }
+
+ // Send indication
+ len = ble_racp_encode(p_racp_val, encoded_resp);
+ hvx_len = len;
+
+ memset(&hvx_params, 0, sizeof(hvx_params));
+
+ hvx_params.handle = p_gls->racp_handles.value_handle;
+ hvx_params.type = BLE_GATT_HVX_INDICATION;
+ hvx_params.offset = 0;
+ hvx_params.p_len = &hvx_len;
+ hvx_params.p_data = encoded_resp;
+
+ err_code = sd_ble_gatts_hvx(p_gls->conn_handle, &hvx_params);
+
+ // Error handling
+ if ((err_code == NRF_SUCCESS) && (hvx_len != len))
+ {
+ err_code = NRF_ERROR_DATA_SIZE;
+ }
+ switch (err_code)
+ {
+ case NRF_SUCCESS:
+ // Wait for HVC event
+ state_set(STATE_RACP_RESPONSE_IND_VERIF);
+ break;
+
+ case NRF_ERROR_BUSY:
+ // Wait for BLE_GATTS_EVT_HVC event to retry transmission
+ state_set(STATE_RACP_RESPONSE_PENDING);
+ break;
+
+ case NRF_ERROR_INVALID_STATE:
+ // Make sure state machine returns to the default state
+ state_set(STATE_NO_COMM);
+ break;
+
+ default:
+ // Report error to application
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(err_code);
+ }
+
+ // Make sure state machine returns to the default state
+ state_set(STATE_NO_COMM);
+ break;
+ }
+}
+
+
+/**@brief Function for sending a RACP response containing a Response Code Op Code and a Response Code Value.
+ *
+ * @param[in] p_gls Service instance.
+ * @param[in] opcode RACP Op Code.
+ * @param[in] value RACP Response Code Value.
+ */
+static void racp_response_code_send(ble_gls_t * p_gls, uint8_t opcode, uint8_t value)
+{
+ m_pending_racp_response.opcode = RACP_OPCODE_RESPONSE_CODE;
+ m_pending_racp_response.operator = RACP_OPERATOR_NULL;
+ m_pending_racp_response.operand_len = 2;
+ m_pending_racp_response.p_operand = m_pending_racp_response_operand;
+
+ m_pending_racp_response_operand[0] = opcode;
+ m_pending_racp_response_operand[1] = value;
+
+ racp_send(p_gls, &m_pending_racp_response);
+}
+
+
+/**@brief Function for sending a glucose measurement/context.
+ *
+ * @param[in] p_gls Service instance.
+ * @param[in] p_rec Measurement to be sent.
+ *
+ * @return NRF_SUCCESS on success, otherwise an error code.
+ */
+static uint32_t glucose_meas_send(ble_gls_t * p_gls, ble_gls_rec_t * p_rec)
+{
+ uint32_t err_code;
+ uint8_t encoded_glm[MAX_GLM_LEN];
+ uint16_t len;
+ uint16_t hvx_len;
+ ble_gatts_hvx_params_t hvx_params;
+
+ len = gls_meas_encode(&p_rec->meas, encoded_glm);
+ hvx_len = len;
+
+ memset(&hvx_params, 0, sizeof (hvx_params));
+
+ hvx_params.handle = p_gls->glm_handles.value_handle;
+ hvx_params.type = BLE_GATT_HVX_NOTIFICATION;
+ hvx_params.offset = 0;
+ hvx_params.p_len = &hvx_len;
+ hvx_params.p_data = encoded_glm;
+
+ err_code = sd_ble_gatts_hvx(p_gls->conn_handle, &hvx_params);
+ if (err_code == NRF_SUCCESS)
+ {
+ if (hvx_len != len)
+ {
+ err_code = NRF_ERROR_DATA_SIZE;
+ }
+ else
+ {
+ // Measurement successfully sent
+ m_racp_proc_records_reported++;
+ m_racp_proc_records_reported_since_txcomplete++;
+ }
+ }
+
+ return err_code;
+}
+
+
+/**@brief Function for responding to the ALL operation.
+ *
+ * @param[in] p_gls Service instance.
+ *
+ * @return NRF_SUCCESS on success, otherwise an error code.
+ */
+static uint32_t racp_report_records_all(ble_gls_t * p_gls)
+{
+ uint16_t total_records = ble_gls_db_num_records_get();
+
+ if (m_racp_proc_record_ndx >= total_records)
+ {
+ state_set(STATE_NO_COMM);
+ }
+ else
+ {
+ uint32_t err_code;
+ ble_gls_rec_t rec;
+
+ err_code = ble_gls_db_record_get(m_racp_proc_record_ndx, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ err_code = glucose_meas_send(p_gls, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+/**@brief Function for responding to the FIRST or the LAST operation.
+ *
+ * @param[in] p_gls Service instance.
+ *
+ * @return NRF_SUCCESS on success, otherwise an error code.
+ */
+static uint32_t racp_report_records_first_last(ble_gls_t * p_gls)
+{
+ uint32_t err_code;
+ ble_gls_rec_t rec;
+ uint16_t total_records;
+
+ total_records = ble_gls_db_num_records_get();
+
+ if ((m_racp_proc_records_reported != 0) || (total_records == 0))
+ {
+ state_set(STATE_NO_COMM);
+ }
+ else
+ {
+ if (m_racp_proc_operator == RACP_OPERATOR_FIRST)
+ {
+ err_code = ble_gls_db_record_get(0, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+ else if (m_racp_proc_operator == RACP_OPERATOR_LAST)
+ {
+ err_code = ble_gls_db_record_get(total_records - 1, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ err_code = glucose_meas_send(p_gls, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+/**@brief Function for responding to the GREATER_OR_EQUAL operation.
+ *
+ * @param[in] p_gls Service instance.
+ *
+ * @return NRF_SUCCESS on success, otherwise an error code.
+ */
+static uint32_t racp_report_records_greater_or_equal(ble_gls_t * p_gls)
+{
+ uint16_t total_records = ble_gls_db_num_records_get();
+
+ while (m_racp_proc_record_ndx < total_records)
+ {
+ uint32_t err_code;
+ ble_gls_rec_t rec;
+
+ err_code = ble_gls_db_record_get(m_racp_proc_record_ndx, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+
+ if (rec.meas.sequence_number >= m_racp_proc_seq_num)
+ {
+ err_code = glucose_meas_send(p_gls, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ break;
+ }
+ m_racp_proc_record_ndx++;
+ }
+ if (m_racp_proc_record_ndx == total_records)
+ {
+ state_set(STATE_NO_COMM);
+ }
+
+ return NRF_SUCCESS;
+}
+
+
+/**@brief Function for informing that the REPORT RECORDS procedure is completed.
+ *
+ * @param[in] p_gls Service instance.
+ */
+static void racp_report_records_completed(ble_gls_t * p_gls)
+{
+ uint8_t resp_code_value;
+
+ if (m_racp_proc_records_reported > 0)
+ {
+ resp_code_value = RACP_RESPONSE_SUCCESS;
+ }
+ else
+ {
+ resp_code_value = RACP_RESPONSE_NO_RECORDS_FOUND;
+ }
+
+ racp_response_code_send(p_gls, RACP_OPCODE_REPORT_RECS, resp_code_value);
+}
+
+
+/**@brief Function for the RACP report records procedure.
+ *
+ * @param[in] p_gls Service instance.
+ */
+static void racp_report_records_procedure(ble_gls_t * p_gls)
+{
+ uint32_t err_code;
+
+ while (m_gls_state == STATE_RACP_PROC_ACTIVE)
+ {
+ // Execute requested procedure
+ switch (m_racp_proc_operator)
+ {
+ case RACP_OPERATOR_ALL:
+ err_code = racp_report_records_all(p_gls);
+ break;
+
+ case RACP_OPERATOR_FIRST:
+ case RACP_OPERATOR_LAST:
+ err_code = racp_report_records_first_last(p_gls);
+ break;
+
+ case RACP_OPERATOR_GREATER_OR_EQUAL:
+ err_code = racp_report_records_greater_or_equal(p_gls);
+ break;
+
+ default:
+ // Report error to application
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(NRF_ERROR_INTERNAL);
+ }
+
+ // Make sure state machine returns to the default state
+ state_set(STATE_NO_COMM);
+ return;
+ }
+
+ // Error handling
+ switch (err_code)
+ {
+ case NRF_SUCCESS:
+ if (m_gls_state == STATE_RACP_PROC_ACTIVE)
+ {
+ m_racp_proc_record_ndx++;
+ }
+ else
+ {
+ racp_report_records_completed(p_gls);
+ }
+ break;
+
+ case NRF_ERROR_RESOURCES:
+ // Wait for TX_COMPLETE event to resume transmission
+ return;
+
+ case NRF_ERROR_INVALID_STATE:
+ // Notification is probably not enabled. Ignore request.
+ state_set(STATE_NO_COMM);
+ return;
+
+ default:
+ // Report error to application
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(err_code);
+ }
+
+ // Make sure state machine returns to the default state
+ state_set(STATE_NO_COMM);
+ return;
+ }
+ }
+}
+
+
+/**@brief Function for testing if the received request is to be executed.
+ *
+ * @param[in] p_racp_request Request to be checked.
+ * @param[out] p_response_code Response code to be sent in case the request is rejected.
+ * RACP_RESPONSE_RESERVED is returned if the received message is
+ * to be rejected without sending a response.
+ *
+ * @return TRUE if the request is to be executed, FALSE if it is to be rejected.
+ * If it is to be rejected, p_response_code will contain the response code to be
+ * returned to the central.
+ */
+static bool is_request_to_be_executed(ble_racp_value_t const * p_racp_request,
+ uint8_t * p_response_code)
+{
+ *p_response_code = RACP_RESPONSE_RESERVED;
+
+ if (p_racp_request->opcode == RACP_OPCODE_ABORT_OPERATION)
+ {
+ if (m_gls_state == STATE_RACP_PROC_ACTIVE)
+ {
+ if (p_racp_request->operator != RACP_OPERATOR_NULL)
+ {
+ *p_response_code = RACP_RESPONSE_INVALID_OPERATOR;
+ }
+ else if (p_racp_request->operand_len != 0)
+ {
+ *p_response_code = RACP_RESPONSE_INVALID_OPERAND;
+ }
+ else
+ {
+ *p_response_code = RACP_RESPONSE_SUCCESS;
+ }
+ }
+ else
+ {
+ *p_response_code = RACP_RESPONSE_ABORT_FAILED;
+ }
+ }
+ else if (m_gls_state != STATE_NO_COMM)
+ {
+ return false;
+ }
+ // Supported opcodes.
+ else if ((p_racp_request->opcode == RACP_OPCODE_REPORT_RECS) ||
+ (p_racp_request->opcode == RACP_OPCODE_REPORT_NUM_RECS))
+ {
+ switch (p_racp_request->operator)
+ {
+ // Operators WITHOUT a filter.
+ case RACP_OPERATOR_ALL:
+ case RACP_OPERATOR_FIRST:
+ case RACP_OPERATOR_LAST:
+ if (p_racp_request->operand_len != 0)
+ {
+ *p_response_code = RACP_RESPONSE_INVALID_OPERAND;
+ }
+ break;
+
+ // Operators WITH a filter.
+ case RACP_OPERATOR_GREATER_OR_EQUAL:
+ if (p_racp_request->p_operand[0] == OPERAND_FILTER_TYPE_SEQ_NUM)
+ {
+ if (p_racp_request->operand_len != 3)
+ {
+ *p_response_code = RACP_RESPONSE_INVALID_OPERAND;
+ }
+ }
+ else if (p_racp_request->p_operand[0] == OPERAND_FILTER_TYPE_FACING_TIME)
+ {
+ *p_response_code = RACP_RESPONSE_OPERAND_UNSUPPORTED;
+ }
+ else if (p_racp_request->p_operand[0] >= OPERAND_FILTER_TYPE_RFU_START)
+ {
+ *p_response_code = RACP_RESPONSE_OPERAND_UNSUPPORTED;
+ }
+ else
+ {
+ *p_response_code = RACP_RESPONSE_INVALID_OPERAND;
+ }
+ break;
+
+ // Unsupported operators.
+ case RACP_OPERATOR_LESS_OR_EQUAL:
+ case RACP_OPERATOR_RANGE:
+ *p_response_code = RACP_RESPONSE_OPERATOR_UNSUPPORTED;
+ break;
+
+ // Invalid operators.
+ case RACP_OPERATOR_NULL:
+ default:
+ if (p_racp_request->operator >= RACP_OPERATOR_RFU_START)
+ {
+ *p_response_code = RACP_RESPONSE_OPERATOR_UNSUPPORTED;
+ }
+ else
+ {
+ *p_response_code = RACP_RESPONSE_INVALID_OPERATOR;
+ }
+ break;
+ }
+ }
+ // Unsupported opcodes,
+ else if (p_racp_request->opcode == RACP_OPCODE_DELETE_RECS)
+ {
+ *p_response_code = RACP_RESPONSE_OPCODE_UNSUPPORTED;
+ }
+ // Unknown opcodes.
+ else
+ {
+ *p_response_code = RACP_RESPONSE_OPCODE_UNSUPPORTED;
+ }
+
+ // NOTE: The computation of the return value will change slightly when deferred write has been
+ // implemented in the stack.
+ return (*p_response_code == RACP_RESPONSE_RESERVED);
+}
+
+
+/**@brief Function for processing a REPORT RECORDS request.
+ *
+ * @param[in] p_gls Service instance.
+ * @param[in] p_racp_request Request to be executed.
+ */
+static void report_records_request_execute(ble_gls_t * p_gls, ble_racp_value_t * p_racp_request)
+{
+ uint16_t seq_num = (p_racp_request->p_operand[2] << 8) | p_racp_request->p_operand[1];
+
+ state_set(STATE_RACP_PROC_ACTIVE);
+
+ m_racp_proc_record_ndx = 0;
+ m_racp_proc_operator = p_racp_request->operator;
+ m_racp_proc_records_reported = 0;
+ m_racp_proc_seq_num = seq_num;
+
+ racp_report_records_procedure(p_gls);
+}
+
+
+/**@brief Function for processing a REPORT NUM RECORDS request.
+ *
+ * @param[in] p_gls Service instance.
+ * @param[in] p_racp_request Request to be executed.
+ */
+static void report_num_records_request_execute(ble_gls_t * p_gls, ble_racp_value_t * p_racp_request)
+{
+ uint16_t total_records;
+ uint16_t num_records;
+
+ total_records = ble_gls_db_num_records_get();
+ num_records = 0;
+
+ if (p_racp_request->operator == RACP_OPERATOR_ALL)
+ {
+ num_records = total_records;
+ }
+ else if (p_racp_request->operator == RACP_OPERATOR_GREATER_OR_EQUAL)
+ {
+ uint16_t seq_num;
+ uint16_t i;
+
+ seq_num = (p_racp_request->p_operand[2] << 8) | p_racp_request->p_operand[1];
+
+ for (i = 0; i < total_records; i++)
+ {
+ uint32_t err_code;
+ ble_gls_rec_t rec;
+
+ err_code = ble_gls_db_record_get(i, &rec);
+ if (err_code != NRF_SUCCESS)
+ {
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(err_code);
+ }
+ return;
+ }
+
+ if (rec.meas.sequence_number >= seq_num)
+ {
+ num_records++;
+ }
+ }
+ }
+ else if ((p_racp_request->operator == RACP_OPERATOR_FIRST) ||
+ (p_racp_request->operator == RACP_OPERATOR_LAST))
+ {
+ if (total_records > 0)
+ {
+ num_records = 1;
+ }
+ }
+
+ m_pending_racp_response.opcode = RACP_OPCODE_NUM_RECS_RESPONSE;
+ m_pending_racp_response.operator = RACP_OPERATOR_NULL;
+ m_pending_racp_response.operand_len = sizeof(uint16_t);
+ m_pending_racp_response.p_operand = m_pending_racp_response_operand;
+
+ m_pending_racp_response_operand[0] = num_records & 0xFF;
+ m_pending_racp_response_operand[1] = num_records >> 8;
+
+ racp_send(p_gls, &m_pending_racp_response);
+}
+
+
+/**@brief Function for checking if the CCCDs are configured.
+ *
+ * @param[in] p_gls Service instance.
+ * @param[in] p_are_cccd_configured boolean indicating if both cccds are configured
+ */
+uint32_t ble_gls_are_cccd_configured(ble_gls_t * p_gls, bool * p_are_cccd_configured)
+{
+ uint32_t err_code;
+ uint8_t cccd_value_buf[BLE_CCCD_VALUE_LEN];
+ bool is_glm_notif_enabled = false;
+ bool is_racp_indic_enabled = false;
+ ble_gatts_value_t gatts_value;
+
+ // Initialize value struct.
+ memset(&gatts_value, 0, sizeof(gatts_value));
+
+ gatts_value.len = BLE_CCCD_VALUE_LEN;
+ gatts_value.offset = 0;
+ gatts_value.p_value = cccd_value_buf;
+
+ err_code = sd_ble_gatts_value_get(p_gls->conn_handle,
+ p_gls->glm_handles.cccd_handle,
+ &gatts_value);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ is_glm_notif_enabled = ble_srv_is_notification_enabled(cccd_value_buf);
+
+ err_code = sd_ble_gatts_value_get(p_gls->conn_handle,
+ p_gls->racp_handles.cccd_handle,
+ &gatts_value);
+ if (err_code != NRF_SUCCESS)
+ {
+ return err_code;
+ }
+ is_racp_indic_enabled = ble_srv_is_indication_enabled(cccd_value_buf);
+ if (is_racp_indic_enabled & is_glm_notif_enabled)
+ {
+ *p_are_cccd_configured = true;
+ }
+ else
+ {
+ *p_are_cccd_configured = false;
+ }
+ return NRF_SUCCESS;
+}
+
+
+/**@brief Function for handling a write event to the Record Access Control Point.
+ *
+ * @param[in] p_gls Service instance.
+ * @param[in] p_evt_write WRITE event to be handled.
+ */
+static void on_racp_value_write(ble_gls_t * p_gls, ble_gatts_evt_write_t const * p_evt_write)
+{
+ ble_racp_value_t racp_request;
+ uint8_t response_code;
+ ble_gatts_rw_authorize_reply_params_t auth_reply;
+ bool are_cccd_configured;
+ uint32_t err_code;
+
+ auth_reply.type = BLE_GATTS_AUTHORIZE_TYPE_WRITE;
+ auth_reply.params.write.offset = 0;
+ auth_reply.params.write.len = 0;
+ auth_reply.params.write.p_data = NULL;
+
+ err_code = ble_gls_are_cccd_configured(p_gls, &are_cccd_configured);
+ if (err_code != NRF_SUCCESS)
+ {
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(err_code);
+ }
+ return;
+ }
+
+ if (!are_cccd_configured)
+ {
+ auth_reply.params.write.gatt_status = GLS_NACK_CCCD_IMPROPERLY_CONFIGURED;
+ err_code = sd_ble_gatts_rw_authorize_reply(p_gls->conn_handle,
+ &auth_reply);
+
+ if (err_code != NRF_SUCCESS)
+ {
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(err_code);
+ }
+ }
+ return;
+ }
+
+ // Decode request.
+ ble_racp_decode(p_evt_write->len, (uint8_t*)p_evt_write->data, &racp_request);
+
+ // Check if request is to be executed.
+ if (is_request_to_be_executed(&racp_request, &response_code))
+ {
+ auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
+ auth_reply.params.write.update = 1;
+
+ err_code = sd_ble_gatts_rw_authorize_reply(p_gls->conn_handle,
+ &auth_reply);
+
+ if (err_code != NRF_SUCCESS)
+ {
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(err_code);
+ }
+ return;
+ }
+ // Execute request.
+ if (racp_request.opcode == RACP_OPCODE_REPORT_RECS)
+ {
+ report_records_request_execute(p_gls, &racp_request);
+ }
+ else if (racp_request.opcode == RACP_OPCODE_REPORT_NUM_RECS)
+ {
+ report_num_records_request_execute(p_gls, &racp_request);
+ }
+ }
+ else if (response_code != RACP_RESPONSE_RESERVED)
+ {
+ auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
+ auth_reply.params.write.update = 1;
+ err_code = sd_ble_gatts_rw_authorize_reply(p_gls->conn_handle,
+ &auth_reply);
+
+ if (err_code != NRF_SUCCESS)
+ {
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(err_code);
+ }
+ return;
+ }
+
+ // Abort any running procedure.
+ state_set(STATE_NO_COMM);
+
+ // Respond with error code.
+ racp_response_code_send(p_gls, racp_request.opcode, response_code);
+ }
+ else
+ {
+ auth_reply.params.write.gatt_status = GLS_NACK_PROC_ALREADY_IN_PROGRESS;
+ err_code = sd_ble_gatts_rw_authorize_reply(p_gls->conn_handle,
+ &auth_reply);
+
+ if (err_code != NRF_SUCCESS)
+ {
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(err_code);
+ }
+ return;
+ }
+ }
+}
+
+
+/**@brief Function for handling the Glucose measurement CCCD write event.
+ *
+ * @param[in] p_gls Service instance.
+ * @param[in] p_evt_write WRITE event to be handled.
+ */
+static void on_glm_cccd_write(ble_gls_t * p_gls, ble_gatts_evt_write_t const * p_evt_write)
+{
+ if (p_evt_write->len == 2)
+ {
+ // CCCD written, update notification state
+ ble_gls_evt_t evt;
+
+ if (ble_srv_is_notification_enabled(p_evt_write->data))
+ {
+ evt.evt_type = BLE_GLS_EVT_NOTIFICATION_ENABLED;
+ }
+ else
+ {
+ evt.evt_type = BLE_GLS_EVT_NOTIFICATION_DISABLED;
+ }
+
+ if (p_gls->evt_handler != NULL)
+ {
+ p_gls->evt_handler(p_gls, &evt);
+ }
+ }
+}
+
+
+/**@brief Function for handling the WRITE event.
+ *
+ * @details Handles WRITE events from the BLE stack.
+ *
+ * @param[in] p_gls Glucose Service structure.
+ * @param[in] p_ble_evt Event received from the BLE stack.
+ */
+static void on_write(ble_gls_t * p_gls, ble_evt_t const * p_ble_evt)
+{
+ ble_gatts_evt_write_t const * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
+
+ if (p_evt_write->handle == p_gls->glm_handles.cccd_handle)
+ {
+ on_glm_cccd_write(p_gls, p_evt_write);
+ }
+ else if (p_evt_write->handle == p_gls->racp_handles.value_handle)
+ {
+ on_racp_value_write(p_gls, p_evt_write);
+ }
+}
+
+
+/**@brief Function for handling the TX_COMPLETE event.
+ *
+ * @details Handles TX_COMPLETE events from the BLE stack.
+ *
+ * @param[in] p_gls Glucose Service structure.
+ * @param[in] p_ble_evt Event received from the BLE stack.
+ */
+static void on_tx_complete(ble_gls_t * p_gls, ble_evt_t const * p_ble_evt)
+{
+ m_racp_proc_records_reported_since_txcomplete = 0;
+
+ if (m_gls_state == STATE_RACP_RESPONSE_PENDING)
+ {
+ racp_send(p_gls, &m_pending_racp_response);
+ }
+ else if (m_gls_state == STATE_RACP_PROC_ACTIVE)
+ {
+ racp_report_records_procedure(p_gls);
+ }
+}
+
+
+/**@brief Function for handling the HVC event.
+ *
+ * @details Handles HVC events from the BLE stack.
+ *
+ * @param[in] p_gls Glucose Service structure.
+ * @param[in] p_ble_evt Event received from the BLE stack.
+ */
+static void on_hvc(ble_gls_t * p_gls, ble_evt_t const * p_ble_evt)
+{
+ ble_gatts_evt_hvc_t const * p_hvc = &p_ble_evt->evt.gatts_evt.params.hvc;
+
+ if (p_hvc->handle == p_gls->racp_handles.value_handle)
+ {
+ if (m_gls_state == STATE_RACP_RESPONSE_IND_VERIF)
+ {
+ // Indication has been acknowledged. Return to default state.
+ state_set(STATE_NO_COMM);
+ }
+ else if (m_gls_state == STATE_RACP_RESPONSE_PENDING)
+ {
+ racp_send(p_gls, &m_pending_racp_response);
+ }
+ else
+ {
+ // We did not expect this event in this state. Report error to application.
+ if (p_gls->error_handler != NULL)
+ {
+ p_gls->error_handler(NRF_ERROR_INVALID_STATE);
+ }
+ }
+ }
+}
+
+
+static void on_rw_authorize_request(ble_gls_t * p_gls, ble_gatts_evt_t const * p_gatts_evt)
+{
+ ble_gatts_evt_rw_authorize_request_t const * p_auth_req =
+ &p_gatts_evt->params.authorize_request;
+
+ if (p_auth_req->type == BLE_GATTS_AUTHORIZE_TYPE_WRITE)
+ {
+ if ( (p_gatts_evt->params.authorize_request.request.write.op
+ != BLE_GATTS_OP_PREP_WRITE_REQ)
+ && (p_gatts_evt->params.authorize_request.request.write.op
+ != BLE_GATTS_OP_EXEC_WRITE_REQ_NOW)
+ && (p_gatts_evt->params.authorize_request.request.write.op
+ != BLE_GATTS_OP_EXEC_WRITE_REQ_CANCEL)
+ )
+ {
+ if (p_auth_req->request.write.handle == p_gls->racp_handles.value_handle)
+ {
+ on_racp_value_write(p_gls, &p_auth_req->request.write);
+ }
+ }
+ }
+}
+
+void ble_gls_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context)
+{
+ ble_gls_t * p_gls = (ble_gls_t *)p_context;
+
+ switch (p_ble_evt->header.evt_id)
+ {
+ case BLE_GAP_EVT_CONNECTED:
+ p_gls->conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
+ state_set(STATE_NO_COMM);
+ break;
+
+ case BLE_GAP_EVT_DISCONNECTED:
+ p_gls->conn_handle = BLE_CONN_HANDLE_INVALID;
+ break;
+
+ case BLE_GATTS_EVT_WRITE:
+ on_write(p_gls, p_ble_evt);
+ break;
+
+ case BLE_GATTS_EVT_HVN_TX_COMPLETE:
+ on_tx_complete(p_gls, p_ble_evt);
+ break;
+
+ case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST:
+ on_rw_authorize_request(p_gls, &p_ble_evt->evt.gatts_evt);
+ break;
+
+ case BLE_GATTS_EVT_HVC:
+ on_hvc(p_gls, p_ble_evt);
+ break;
+
+ default:
+ // No implementation needed.
+ break;
+ }
+}
+
+
+uint32_t ble_gls_glucose_new_meas(ble_gls_t * p_gls, ble_gls_rec_t * p_rec)
+{
+ p_rec->meas.sequence_number = m_next_seq_num++;
+ return ble_gls_db_record_add(p_rec);
+}
+#endif // NRF_MODULE_ENABLED(BLE_GLS)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls.h
new file mode 100644
index 0000000..374d3a3
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls.h
@@ -0,0 +1,323 @@
+/**
+ * Copyright (c) 2012 - 2018, 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.
+ *
+ */
+/** @file
+ *
+ * @defgroup ble_gls Glucose Service
+ * @{
+ * @ingroup ble_sdk_srv
+ * @brief Glucose Service module.
+ *
+ * @details This module implements the Glucose Service.
+ *
+ * @note The application must register this module as BLE event observer using the
+ * NRF_SDH_BLE_OBSERVER macro. Example:
+ * @code
+ * ble_gls_t instance;
+ * NRF_SDH_BLE_OBSERVER(anything, BLE_GLS_BLE_OBSERVER_PRIO,
+ * ble_gls_on_ble_evt, &instance);
+ * @endcode
+ *
+ * @note Attention!
+ * To maintain compliance with Nordic Semiconductor ASA Bluetooth profile
+ * qualification listings, this section of source code must not be modified.
+ */
+
+#ifndef BLE_GLS_H__
+#define BLE_GLS_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "ble.h"
+#include "ble_srv_common.h"
+#include "ble_date_time.h"
+#include "nrf_sdh_ble.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**@brief Macro for defining a ble_gls instance.
+ *
+ * @param _name Name of the instance.
+ * @hideinitializer
+ */
+#define BLE_GLS_DEF(_name) \
+static ble_gls_t _name; \
+NRF_SDH_BLE_OBSERVER(_name ## _obs, \
+ BLE_GLS_BLE_OBSERVER_PRIO, \
+ ble_gls_on_ble_evt, &_name)
+
+
+/**@brief Glucose feature */
+#define BLE_GLS_FEATURE_LOW_BATT 0x0001 /**< Low Battery Detection During Measurement Supported */
+#define BLE_GLS_FEATURE_MALFUNC 0x0002 /**< Sensor Malfunction Detection Supported */
+#define BLE_GLS_FEATURE_SAMPLE_SIZE 0x0004 /**< Sensor Sample Size Supported */
+#define BLE_GLS_FEATURE_INSERT_ERR 0x0008 /**< Sensor Strip Insertion Error Detection Supported */
+#define BLE_GLS_FEATURE_TYPE_ERR 0x0010 /**< Sensor Strip Type Error Detection Supported */
+#define BLE_GLS_FEATURE_RES_HIGH_LOW 0x0020 /**< Sensor Result High-Low Detection Supported */
+#define BLE_GLS_FEATURE_TEMP_HIGH_LOW 0x0040 /**< Sensor Temperature High-Low Detection Supported */
+#define BLE_GLS_FEATURE_READ_INT 0x0080 /**< Sensor Read Interrupt Detection Supported */
+#define BLE_GLS_FEATURE_GENERAL_FAULT 0x0100 /**< General Device Fault Supported */
+#define BLE_GLS_FEATURE_TIME_FAULT 0x0200 /**< Time Fault Supported */
+#define BLE_GLS_FEATURE_MULTI_BOND 0x0400 /**< Multiple Bond Supported */
+
+/**@brief Glucose measurement flags */
+#define BLE_GLS_MEAS_FLAG_TIME_OFFSET 0x01 /**< Time Offset Present */
+#define BLE_GLS_MEAS_FLAG_CONC_TYPE_LOC 0x02 /**< Glucose Concentration, Type, and Sample Location Present */
+#define BLE_GLS_MEAS_FLAG_UNITS_KG_L 0x00 /**< Glucose Concentration Units kg/L */
+#define BLE_GLS_MEAS_FLAG_UNITS_MOL_L 0x04 /**< Glucose Concentration Units mol/L */
+#define BLE_GLS_MEAS_FLAG_SENSOR_STATUS 0x08 /**< Sensor Status Annunciation Present */
+#define BLE_GLS_MEAS_FLAG_CONTEXT_INFO 0x10 /**< Context Information Follows */
+
+/**@brief Glucose measurement type */
+#define BLE_GLS_MEAS_TYPE_CAP_BLOOD 1 /**< Capillary whole blood */
+#define BLE_GLS_MEAS_TYPE_CAP_PLASMA 2 /**< Capillary plasma */
+#define BLE_GLS_MEAS_TYPE_VEN_BLOOD 3 /**< Venous whole blood */
+#define BLE_GLS_MEAS_TYPE_VEN_PLASMA 4 /**< Venous plasma */
+#define BLE_GLS_MEAS_TYPE_ART_BLOOD 5 /**< Arterial whole blood */
+#define BLE_GLS_MEAS_TYPE_ART_PLASMA 6 /**< Arterial plasma */
+#define BLE_GLS_MEAS_TYPE_UNDET_BLOOD 7 /**< Undetermined whole blood */
+#define BLE_GLS_MEAS_TYPE_UNDET_PLASMA 8 /**< Undetermined plasma */
+#define BLE_GLS_MEAS_TYPE_FLUID 9 /**< Interstitial fluid (ISF) */
+#define BLE_GLS_MEAS_TYPE_CONTROL 10 /**< Control solution */
+
+/**@brief Glucose measurement location */
+#define BLE_GLS_MEAS_LOC_FINGER 1 /**< Finger */
+#define BLE_GLS_MEAS_LOC_AST 2 /**< Alternate Site Test (AST) */
+#define BLE_GLS_MEAS_LOC_EAR 3 /**< Earlobe */
+#define BLE_GLS_MEAS_LOC_CONTROL 4 /**< Control solution */
+#define BLE_GLS_MEAS_LOC_NOT_AVAIL 15 /**< Sample Location value not available */
+
+/**@brief Glucose sensor status annunciation */
+#define BLE_GLS_MEAS_STATUS_BATT_LOW 0x0001 /**< Device battery low at time of measurement */
+#define BLE_GLS_MEAS_STATUS_SENSOR_FAULT 0x0002 /**< Sensor malfunction or faulting at time of measurement */
+#define BLE_GLS_MEAS_STATUS_SAMPLE_SIZE 0x0004 /**< Sample size for blood or control solution insufficient at time of measurement */
+#define BLE_GLS_MEAS_STATUS_STRIP_INSERT 0x0008 /**< Strip insertion error */
+#define BLE_GLS_MEAS_STATUS_STRIP_TYPE 0x0010 /**< Strip type incorrect for device */
+#define BLE_GLS_MEAS_STATUS_RESULT_HIGH 0x0020 /**< Sensor result higher than the device can process */
+#define BLE_GLS_MEAS_STATUS_RESULT_LOW 0x0040 /**< Sensor result lower than the device can process */
+#define BLE_GLS_MEAS_STATUS_TEMP_HIGH 0x0080 /**< Sensor temperature too high for valid test/result at time of measurement */
+#define BLE_GLS_MEAS_STATUS_TEMP_LOW 0x0100 /**< Sensor temperature too low for valid test/result at time of measurement */
+#define BLE_GLS_MEAS_STATUS_STRIP_PULL 0x0200 /**< Sensor read interrupted because strip was pulled too soon at time of measurement */
+#define BLE_GLS_MEAS_STATUS_GENERAL_FAULT 0x0400 /**< General device fault has occurred in the sensor */
+#define BLE_GLS_MEAS_STATUS_TIME_FAULT 0x0800 /**< Time fault has occurred in the sensor and time may be inaccurate */
+
+/**@brief Glucose measurement context flags */
+#define BLE_GLS_CONTEXT_FLAG_CARB 0x01 /**< Carbohydrate id and carbohydrate present */
+#define BLE_GLS_CONTEXT_FLAG_MEAL 0x02 /**< Meal present */
+#define BLE_GLS_CONTEXT_FLAG_TESTER 0x04 /**< Tester-health present */
+#define BLE_GLS_CONTEXT_FLAG_EXERCISE 0x08 /**< Exercise duration and exercise intensity present */
+#define BLE_GLS_CONTEXT_FLAG_MED 0x10 /**< Medication ID and medication present */
+#define BLE_GLS_CONTEXT_FLAG_MED_KG 0x00 /**< Medication value units, kilograms */
+#define BLE_GLS_CONTEXT_FLAG_MED_L 0x20 /**< Medication value units, liters */
+#define BLE_GLS_CONTEXT_FLAG_HBA1C 0x40 /**< Hba1c present */
+#define BLE_GLS_CONTEXT_FLAG_EXT 0x80 /**< Extended flags present */
+
+/**@brief Glucose measurement context carbohydrate ID */
+#define BLE_GLS_CONTEXT_CARB_BREAKFAST 1 /**< Breakfast */
+#define BLE_GLS_CONTEXT_CARB_LUNCH 2 /**< Lunch */
+#define BLE_GLS_CONTEXT_CARB_DINNER 3 /**< Dinner */
+#define BLE_GLS_CONTEXT_CARB_SNACK 4 /**< Snack */
+#define BLE_GLS_CONTEXT_CARB_DRINK 5 /**< Drink */
+#define BLE_GLS_CONTEXT_CARB_SUPPER 6 /**< Supper */
+#define BLE_GLS_CONTEXT_CARB_BRUNCH 7 /**< Brunch */
+
+/**@brief Glucose measurement context meal */
+#define BLE_GLS_CONTEXT_MEAL_PREPRANDIAL 1 /**< Preprandial (before meal) */
+#define BLE_GLS_CONTEXT_MEAL_POSTPRANDIAL 2 /**< Postprandial (after meal) */
+#define BLE_GLS_CONTEXT_MEAL_FASTING 3 /**< Fasting */
+#define BLE_GLS_CONTEXT_MEAL_CASUAL 4 /**< Casual (snacks, drinks, etc.) */
+#define BLE_GLS_CONTEXT_MEAL_BEDTIME 5 /**< Bedtime */
+
+/**@brief Glucose measurement context tester */
+#define BLE_GLS_CONTEXT_TESTER_SELF 1 /**< Self */
+#define BLE_GLS_CONTEXT_TESTER_PRO 2 /**< Health care professional */
+#define BLE_GLS_CONTEXT_TESTER_LAB 3 /**< Lab test */
+#define BLE_GLS_CONTEXT_TESTER_NOT_AVAIL 15 /**< Tester value not available */
+
+/**@brief Glucose measurement context health */
+#define BLE_GLS_CONTEXT_HEALTH_MINOR 1 /**< Minor health issues */
+#define BLE_GLS_CONTEXT_HEALTH_MAJOR 2 /**< Major health issues */
+#define BLE_GLS_CONTEXT_HEALTH_MENSES 3 /**< During menses */
+#define BLE_GLS_CONTEXT_HEALTH_STRESS 4 /**< Under stress */
+#define BLE_GLS_CONTEXT_HEALTH_NONE 5 /**< No health issues */
+#define BLE_GLS_CONTEXT_HEALTH_NOT_AVAIL 15 /**< Health value not available */
+
+/**@brief Glucose measurement context medication ID */
+#define BLE_GLS_CONTEXT_MED_RAPID 1 /**< Rapid acting insulin */
+#define BLE_GLS_CONTEXT_MED_SHORT 2 /**< Short acting insulin */
+#define BLE_GLS_CONTEXT_MED_INTERMED 3 /**< Intermediate acting insulin */
+#define BLE_GLS_CONTEXT_MED_LONG 4 /**< Long acting insulin */
+#define BLE_GLS_CONTEXT_MED_PREMIX 5 /**< Pre-mixed insulin */
+
+
+/**@brief SFLOAT format (IEEE-11073 16-bit FLOAT, meaning 4 bits for exponent (base 10) and 12 bits mantissa) */
+typedef struct
+{
+ int8_t exponent; /**< Base 10 exponent, should be using only 4 bits */
+ int16_t mantissa; /**< Mantissa, should be using only 12 bits */
+} sfloat_t;
+
+/**@brief Glucose Service event type. */
+typedef enum
+{
+ BLE_GLS_EVT_NOTIFICATION_ENABLED, /**< Glucose value notification enabled event. */
+ BLE_GLS_EVT_NOTIFICATION_DISABLED /**< Glucose value notification disabled event. */
+} ble_gls_evt_type_t;
+
+/**@brief Glucose Service event. */
+typedef struct
+{
+ ble_gls_evt_type_t evt_type; /**< Type of event. */
+} ble_gls_evt_t;
+
+// Forward declaration of the ble_gls_t type.
+typedef struct ble_gls_s ble_gls_t;
+
+/**@brief Glucose Service event handler type. */
+typedef void (*ble_gls_evt_handler_t) (ble_gls_t * p_gls, ble_gls_evt_t * p_evt);
+
+/**@brief Glucose Measurement structure. This contains glucose measurement value. */
+typedef struct
+{
+ uint8_t flags; /**< Flags */
+ uint16_t sequence_number; /**< Sequence number */
+ ble_date_time_t base_time; /**< Time stamp */
+ int16_t time_offset; /**< Time offset */
+ sfloat_t glucose_concentration; /**< Glucose concentration */
+ uint8_t type; /**< Type */
+ uint8_t sample_location; /**< Sample location */
+ uint16_t sensor_status_annunciation; /**< Sensor status annunciation */
+} ble_gls_meas_t;
+
+/**@brief Glucose measurement context structure */
+typedef struct
+{
+ uint8_t flags; /**< Flags */
+ uint8_t extended_flags; /**< Extended Flags */
+ uint8_t carbohydrate_id; /**< Carbohydrate ID */
+ sfloat_t carbohydrate; /**< Carbohydrate */
+ uint8_t meal; /**< Meal */
+ uint8_t tester_and_health; /**< Tester and health */
+ uint16_t exercise_duration; /**< Exercise Duration */
+ uint8_t exercise_intensity; /**< Exercise Intensity */
+ uint8_t medication_id; /**< Medication ID */
+ sfloat_t medication; /**< Medication */
+ uint16_t hba1c; /**< HbA1c */
+} ble_gls_meas_context_t;
+
+/**@brief Glucose measurement record */
+typedef struct
+{
+ ble_gls_meas_t meas; /**< Glucose measurement */
+ ble_gls_meas_context_t context; /**< Glucose measurement context */
+} ble_gls_rec_t;
+
+/**@brief Glucose Service init structure. This contains all options and data needed for
+ * initialization of the service. */
+typedef struct
+{
+ ble_gls_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Glucose Service. */
+ ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */
+ uint16_t feature; /**< Glucose Feature value indicating supported features. */
+ bool is_context_supported; /**< Determines if optional Glucose Measurement Context is to be supported. */
+} ble_gls_init_t;
+
+/**@brief Glucose Service structure. This contains various status information for the service. */
+struct ble_gls_s
+{
+ ble_gls_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Glucose Service. */
+ ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */
+ uint16_t service_handle; /**< Handle of Glucose Service (as provided by the BLE stack). */
+ ble_gatts_char_handles_t glm_handles; /**< Handles related to the Glucose Measurement characteristic. */
+ ble_gatts_char_handles_t glm_context_handles; /**< Handles related to the Glucose Measurement Context characteristic. */
+ ble_gatts_char_handles_t glf_handles; /**< Handles related to the Glucose Feature characteristic. */
+ ble_gatts_char_handles_t racp_handles; /**< Handles related to the Record Access Control Point characteristic. */
+ uint16_t conn_handle; /**< Handle of the current connection (as provided by the BLE stack, is BLE_CONN_HANDLE_INVALID if not in a connection). */
+ uint16_t feature;
+ bool is_context_supported;
+};
+
+
+/**@brief Function for initializing the Glucose Service.
+ *
+ * @details This call allows the application to initialize the Glucose Service.
+ *
+ * @param[out] p_gls Glucose Service structure. This structure will have to be supplied by
+ * the application. It will be initialized by this function, and will later
+ * be used to identify this particular service instance.
+ * @param[in] p_gls_init Information needed to initialize the service.
+ *
+ * @return NRF_SUCCESS on successful initialization of service, otherwise an error code.
+ */
+uint32_t ble_gls_init(ble_gls_t * p_gls, ble_gls_init_t const * p_gls_init);
+
+
+/**@brief Function for handling the Application's BLE Stack events.
+ *
+ * @details Handles all events from the BLE stack of interest to the Glucose Service.
+ *
+ * @param[in] p_ble_evt Event received from the BLE stack.
+ * @param[in] p_context Glucose Service structure.
+ */
+void ble_gls_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context);
+
+
+/**@brief Function for reporting a new glucose measurement to the glucose service module.
+ *
+ * @details The application calls this function after having performed a new glucose measurement.
+ * The new measurement is recorded in the RACP database.
+ *
+ * @param[in] p_gls Glucose Service structure.
+ * @param[in] p_rec Pointer to glucose record (measurement plus context).
+ *
+ * @return NRF_SUCCESS on success, otherwise an error code.
+ */
+uint32_t ble_gls_glucose_new_meas(ble_gls_t * p_gls, ble_gls_rec_t * p_rec);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // BLE_GLS_H__
+
+/** @} */
+
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.c
new file mode 100644
index 0000000..679a359
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.c
@@ -0,0 +1,143 @@
+/**
+ * Copyright (c) 2012 - 2018, 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.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(BLE_GLS)
+#include "ble_gls_db.h"
+
+
+typedef struct
+{
+ bool in_use_flag;
+ ble_gls_rec_t record;
+} database_entry_t;
+
+static database_entry_t m_database[BLE_GLS_DB_MAX_RECORDS];
+static uint8_t m_database_crossref[BLE_GLS_DB_MAX_RECORDS];
+static uint16_t m_num_records;
+
+
+uint32_t ble_gls_db_init(void)
+{
+ int i;
+
+ for (i = 0; i < BLE_GLS_DB_MAX_RECORDS; i++)
+ {
+ m_database[i].in_use_flag = false;
+ m_database_crossref[i] = 0xFF;
+ }
+
+ m_num_records = 0;
+
+ return NRF_SUCCESS;
+}
+
+
+uint16_t ble_gls_db_num_records_get(void)
+{
+ return m_num_records;
+}
+
+
+uint32_t ble_gls_db_record_get(uint8_t rec_ndx, ble_gls_rec_t * p_rec)
+{
+ if (rec_ndx >= m_num_records)
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ // copy record to the specified memory
+ *p_rec = m_database[m_database_crossref[rec_ndx]].record;
+
+ return NRF_SUCCESS;
+}
+
+
+uint32_t ble_gls_db_record_add(ble_gls_rec_t * p_rec)
+{
+ int i;
+
+ if (m_num_records == BLE_GLS_DB_MAX_RECORDS)
+ {
+ return NRF_ERROR_NO_MEM;
+ }
+
+ // find next available database entry
+ for (i = 0; i < BLE_GLS_DB_MAX_RECORDS; i++)
+ {
+ if (!m_database[i].in_use_flag)
+ {
+ m_database[i].in_use_flag = true;
+ m_database[i].record = *p_rec;
+
+ m_database_crossref[m_num_records] = i;
+ m_num_records++;
+
+ return NRF_SUCCESS;
+ }
+ }
+
+ return NRF_ERROR_NO_MEM;
+}
+
+
+uint32_t ble_gls_db_record_delete(uint8_t rec_ndx)
+{
+ int i;
+
+ if (rec_ndx >= m_num_records)
+ {
+ return NRF_ERROR_NOT_FOUND;
+ }
+
+ // free entry
+ m_database[m_database_crossref[rec_ndx]].in_use_flag = false;
+
+ // decrease number of records
+ m_num_records--;
+
+ // remove cross reference index
+ for (i = rec_ndx; i < m_num_records; i++)
+ {
+ m_database_crossref[i] = m_database_crossref[i + 1];
+ }
+
+ return NRF_SUCCESS;
+}
+#endif // NRF_MODULE_ENABLED(BLE_GLS)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.h
new file mode 100644
index 0000000..98465f0
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.h
@@ -0,0 +1,121 @@
+/**
+ * Copyright (c) 2012 - 2018, 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.
+ *
+ */
+/** @file
+ *
+ * @defgroup ble_sdk_srv_gls_db Glucose Database Service
+ * @{
+ * @ingroup ble_sdk_srv
+ * @brief Glucose Service module.
+ *
+ * @details This module implements at database of stored glucose measurement values.
+ *
+ * @note Attention!
+ * To maintain compliance with Nordic Semiconductor ASA Bluetooth profile
+ * qualification listings, These APIs must not be modified. However, the corresponding
+ * functions' implementations can be modified.
+ */
+
+#ifndef BLE_GLS_DB_H__
+#define BLE_GLS_DB_H__
+
+#include <stdint.h>
+#include "ble_gls.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLE_GLS_DB_MAX_RECORDS 20
+
+/**@brief Function for initializing the glucose record database.
+ *
+ * @details This call initializes the database holding glucose records.
+ *
+ * @return NRF_SUCCESS on success.
+ */
+uint32_t ble_gls_db_init(void);
+
+/**@brief Function for getting the number of records in the database.
+ *
+ * @details This call returns the number of records in the database.
+ *
+ * @return Number of records in the database.
+ */
+uint16_t ble_gls_db_num_records_get(void);
+
+/**@brief Function for getting a record from the database.
+ *
+ * @details This call returns a specified record from the database.
+ *
+ * @param[in] record_num Index of the record to retrieve.
+ * @param[out] p_rec Pointer to record structure where retrieved record is copied to.
+ *
+ * @return NRF_SUCCESS on success.
+ */
+uint32_t ble_gls_db_record_get(uint8_t record_num, ble_gls_rec_t * p_rec);
+
+/**@brief Function for adding a record at the end of the database.
+ *
+ * @details This call adds a record as the last record in the database.
+ *
+ * @param[in] p_rec Pointer to record to add to database.
+ *
+ * @return NRF_SUCCESS on success.
+ */
+uint32_t ble_gls_db_record_add(ble_gls_rec_t * p_rec);
+
+/**@brief Function for deleting a database entry.
+ *
+ * @details This call deletes an record from the database.
+ *
+ * @param[in] record_num Index of record to delete.
+ *
+ * @return NRF_SUCCESS on success.
+ */
+uint32_t ble_gls_db_record_delete(uint8_t record_num);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // BLE_GLS_DB_H__
+
+/** @} */