| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include <assert.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include "host/ble_hs.h" |
| #include "host/ble_uuid.h" |
| #include "blehr_sens.h" |
| |
| static const char *manuf_name = "Apache Mynewt"; |
| static const char *model_num = "Mynewt HR Sensor"; |
| uint16_t hrs_hrm_handle; |
| |
| static int |
| gatt_svr_chr_access_heart_rate(uint16_t conn_handle, uint16_t attr_handle, |
| struct ble_gatt_access_ctxt *ctxt, void *arg); |
| |
| static int |
| gatt_svr_chr_access_device_info(uint16_t conn_handle, uint16_t attr_handle, |
| struct ble_gatt_access_ctxt *ctxt, void *arg); |
| |
| static const struct ble_gatt_svc_def gatt_svr_svcs[] = { |
| { |
| /* Service: Heart-rate */ |
| .type = BLE_GATT_SVC_TYPE_PRIMARY, |
| .uuid = BLE_UUID16_DECLARE(GATT_HRS_UUID), |
| .characteristics = (struct ble_gatt_chr_def[]) { { |
| /* Characteristic: Heart-rate measurement */ |
| .uuid = BLE_UUID16_DECLARE(GATT_HRS_MEASUREMENT_UUID), |
| .access_cb = gatt_svr_chr_access_heart_rate, |
| .val_handle = &hrs_hrm_handle, |
| .flags = BLE_GATT_CHR_F_NOTIFY, |
| }, { |
| /* Characteristic: Body sensor location */ |
| .uuid = BLE_UUID16_DECLARE(GATT_HRS_BODY_SENSOR_LOC_UUID), |
| .access_cb = gatt_svr_chr_access_heart_rate, |
| .flags = BLE_GATT_CHR_F_READ, |
| }, { |
| 0, /* No more characteristics in this service */ |
| }, } |
| }, |
| |
| { |
| /* Service: Device Information */ |
| .type = BLE_GATT_SVC_TYPE_PRIMARY, |
| .uuid = BLE_UUID16_DECLARE(GATT_DEVICE_INFO_UUID), |
| .characteristics = (struct ble_gatt_chr_def[]) { { |
| /* Characteristic: * Manufacturer name */ |
| .uuid = BLE_UUID16_DECLARE(GATT_MANUFACTURER_NAME_UUID), |
| .access_cb = gatt_svr_chr_access_device_info, |
| .flags = BLE_GATT_CHR_F_READ, |
| }, { |
| /* Characteristic: Model number string */ |
| .uuid = BLE_UUID16_DECLARE(GATT_MODEL_NUMBER_UUID), |
| .access_cb = gatt_svr_chr_access_device_info, |
| .flags = BLE_GATT_CHR_F_READ, |
| }, { |
| 0, /* No more characteristics in this service */ |
| }, } |
| }, |
| |
| { |
| 0, /* No more services */ |
| }, |
| }; |
| |
| static int |
| gatt_svr_chr_access_heart_rate(uint16_t conn_handle, uint16_t attr_handle, |
| struct ble_gatt_access_ctxt *ctxt, void *arg) |
| { |
| /* Sensor location, set to "Chest" */ |
| static uint8_t body_sens_loc = 0x01; |
| uint16_t uuid; |
| int rc; |
| |
| uuid = ble_uuid_u16(ctxt->chr->uuid); |
| |
| if (uuid == GATT_HRS_BODY_SENSOR_LOC_UUID) { |
| rc = os_mbuf_append(ctxt->om, &body_sens_loc, sizeof(body_sens_loc)); |
| |
| return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; |
| } |
| |
| assert(0); |
| return BLE_ATT_ERR_UNLIKELY; |
| } |
| |
| static int |
| gatt_svr_chr_access_device_info(uint16_t conn_handle, uint16_t attr_handle, |
| struct ble_gatt_access_ctxt *ctxt, void *arg) |
| { |
| uint16_t uuid; |
| int rc; |
| |
| uuid = ble_uuid_u16(ctxt->chr->uuid); |
| |
| if (uuid == GATT_MODEL_NUMBER_UUID) { |
| rc = os_mbuf_append(ctxt->om, model_num, strlen(model_num)); |
| return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; |
| } |
| |
| if (uuid == GATT_MANUFACTURER_NAME_UUID) { |
| rc = os_mbuf_append(ctxt->om, manuf_name, strlen(manuf_name)); |
| return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; |
| } |
| |
| assert(0); |
| return BLE_ATT_ERR_UNLIKELY; |
| } |
| |
| void |
| gatt_svr_register_cb(struct ble_gatt_register_ctxt *ctxt, void *arg) |
| { |
| char buf[BLE_UUID_STR_LEN]; |
| |
| switch (ctxt->op) { |
| case BLE_GATT_REGISTER_OP_SVC: |
| MODLOG_DFLT(DEBUG, "registered service %s with handle=%d\n", |
| ble_uuid_to_str(ctxt->svc.svc_def->uuid, buf), |
| ctxt->svc.handle); |
| break; |
| |
| case BLE_GATT_REGISTER_OP_CHR: |
| MODLOG_DFLT(DEBUG, "registering characteristic %s with " |
| "def_handle=%d val_handle=%d\n", |
| ble_uuid_to_str(ctxt->chr.chr_def->uuid, buf), |
| ctxt->chr.def_handle, |
| ctxt->chr.val_handle); |
| break; |
| |
| case BLE_GATT_REGISTER_OP_DSC: |
| MODLOG_DFLT(DEBUG, "registering descriptor %s with handle=%d\n", |
| ble_uuid_to_str(ctxt->dsc.dsc_def->uuid, buf), |
| ctxt->dsc.handle); |
| break; |
| |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| int |
| gatt_svr_init(void) |
| { |
| int rc; |
| |
| rc = ble_gatts_count_cfg(gatt_svr_svcs); |
| if (rc != 0) { |
| return rc; |
| } |
| |
| rc = ble_gatts_add_svcs(gatt_svr_svcs); |
| if (rc != 0) { |
| return rc; |
| } |
| |
| return 0; |
| } |
| |