/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "stress_gatt.h"
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uint16_t hrs_hrm_handle = 0xffff;
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static int
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stress_gatt_access_cb(uint16_t conn_handle, uint16_t attr_handle,
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struct ble_gatt_access_ctxt *ctxt, void *arg);
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static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
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{
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/* Service: Heart-rate */
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.type = BLE_GATT_SVC_TYPE_PRIMARY,
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.uuid = BLE_UUID16_DECLARE(STRESS_GATT_UUID),
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.characteristics = (struct ble_gatt_chr_def[]) {
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{
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/* Characteristic: read test */
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.uuid = BLE_UUID16_DECLARE(STRESS_GATT_READ_UUID),
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.access_cb = stress_gatt_access_cb,
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.val_handle = &hrs_hrm_handle,
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.flags = BLE_GATT_CHR_F_READ,
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},
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{
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/* Characteristic: write test */
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.uuid = BLE_UUID16_DECLARE(STRESS_GATT_WRITE_UUID),
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.access_cb = stress_gatt_access_cb,
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.val_handle = &hrs_hrm_handle,
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.flags = BLE_GATT_CHR_F_WRITE,
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},
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{
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/* Characteristic: notify test */
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.uuid = BLE_UUID16_DECLARE(STRESS_GATT_NOTIFY_UUID),
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.access_cb = stress_gatt_access_cb,
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.val_handle = &hrs_hrm_handle,
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.flags = BLE_GATT_CHR_F_NOTIFY,
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},
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{
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/* Characteristic: indicate test */
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.uuid = BLE_UUID16_DECLARE(STRESS_GATT_INDICATE_UUID),
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.access_cb = stress_gatt_access_cb,
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.val_handle = &hrs_hrm_handle,
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.flags = BLE_GATT_CHR_F_INDICATE,
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},
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{
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0, /* No more characteristics in this service */
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},}
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},
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{
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0, /* No more services */
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},
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};
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static int
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stress_gatt_access_cb(uint16_t conn_handle, uint16_t attr_handle,
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struct ble_gatt_access_ctxt *ctxt, void *arg)
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{
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/* Sensor location, set to "Chest" */
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static uint8_t chr_value[] = "Hello";
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uint16_t uuid;
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int rc;
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//chr_value = (uint8_t)rand() % 256;
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uuid = ble_uuid_u16(ctxt->chr->uuid);
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switch(uuid){
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case STRESS_GATT_READ_UUID:
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MODLOG_DFLT(INFO, "GATT Read event\n");
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rc = os_mbuf_append(ctxt->om, &chr_value, sizeof(chr_value));
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assert(rc == 0);
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//return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
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return 0;
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case STRESS_GATT_WRITE_UUID:
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MODLOG_DFLT(INFO, "GATT Write event\n");
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print_mbuf(ctxt->om);
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return 0;
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case STRESS_GATT_NOTIFY_UUID:
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MODLOG_DFLT(INFO, "GATT Notify event\n");
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return 0;
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case STRESS_GATT_INDICATE_UUID:
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MODLOG_DFLT(INFO, "GATT Indicate event\n");
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return 0;
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default:
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MODLOG_DFLT(ERROR, "GATT UUID does not exist\n");
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assert(0);
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return BLE_ATT_ERR_UNLIKELY;
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}
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}
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void
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gatt_svr_register_cb(struct ble_gatt_register_ctxt *ctxt, void *arg)
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{
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char buf[BLE_UUID_STR_LEN];
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switch (ctxt->op) {
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case BLE_GATT_REGISTER_OP_SVC:
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MODLOG_DFLT(DEBUG, "registered service %s with handle=%d\n",
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ble_uuid_to_str(ctxt->svc.svc_def->uuid, buf),
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ctxt->svc.handle);
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break;
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case BLE_GATT_REGISTER_OP_CHR:
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MODLOG_DFLT(DEBUG, "registering characteristic %s with "
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"def_handle=%d val_handle=%d\n",
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ble_uuid_to_str(ctxt->chr.chr_def->uuid, buf),
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ctxt->chr.def_handle,
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ctxt->chr.val_handle);
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break;
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case BLE_GATT_REGISTER_OP_DSC:
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MODLOG_DFLT(DEBUG, "registering descriptor %s with handle=%d\n",
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ble_uuid_to_str(ctxt->dsc.dsc_def->uuid, buf),
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ctxt->dsc.handle);
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break;
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default:
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assert(0);
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break;
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}
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}
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int
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gatt_svr_init(void)
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{
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int rc;
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rc = ble_gatts_count_cfg(gatt_svr_svcs);
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if (rc != 0) {
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return rc;
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}
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rc = ble_gatts_add_svcs(gatt_svr_svcs);
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if (rc != 0) {
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return rc;
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}
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return 0;
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}
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