/*
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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 <assert.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "os/os.h"
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#include "sysinit/sysinit.h"
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#include "log/log.h"
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#include "host/ble_hs.h"
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#include "host/util/util.h"
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#include "services/gap/ble_svc_gap.h"
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static uint8_t g_own_addr_type;
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static uint16_t conn_handle;
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static const char *device_name = "Mynewt";
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/* adv_event() calls advertise(), so forward declaration is required */
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static void advertise(void);
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static int
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adv_event(struct ble_gap_event *event, void *arg)
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{
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switch (event->type) {
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case BLE_GAP_EVENT_ADV_COMPLETE:
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MODLOG_DFLT(INFO,"Advertising completed, termination code: %d\n",
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event->adv_complete.reason);
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advertise();
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break;
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case BLE_GAP_EVENT_CONNECT:
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assert(event->connect.status == 0);
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MODLOG_DFLT(INFO, "connection %s; status=%d\n",
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event->connect.status == 0 ? "established" : "failed",
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event->connect.status);
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break;
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case BLE_GAP_EVENT_CONN_UPDATE_REQ:
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/* connected device requests update of connection parameters,
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and these are being filled in - NULL sets default values */
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MODLOG_DFLT(INFO, "updating conncetion parameters...\n");
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event->conn_update_req.conn_handle = conn_handle;
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event->conn_update_req.peer_params = NULL;
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MODLOG_DFLT(INFO, "connection parameters updated!\n");
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break;
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case BLE_GAP_EVENT_DISCONNECT:
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MODLOG_DFLT(INFO, "disconnect; reason=%d\n",
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event->disconnect.reason);
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/* reset conn_handle */
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conn_handle = BLE_HS_CONN_HANDLE_NONE;
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/* Connection terminated; resume advertising */
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advertise();
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break;
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default:
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MODLOG_DFLT(ERROR, "Advertising event not handled,"
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"event code: %u\n", event->type);
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break;
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}
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return 0;
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}
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static void
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advertise(void)
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{
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int rc;
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/* set adv parameters */
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struct ble_gap_adv_params adv_params;
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struct ble_hs_adv_fields fields;
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/* advertising payload is split into advertising data and advertising
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response, because all data cannot fit into single packet; name of device
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is sent as response to scan request */
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struct ble_hs_adv_fields rsp_fields;
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/* fill all fields and parameters with zeros */
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memset(&adv_params, 0, sizeof(adv_params));
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memset(&fields, 0, sizeof(fields));
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memset(&rsp_fields, 0, sizeof(rsp_fields));
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adv_params.conn_mode = BLE_GAP_CONN_MODE_UND;
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adv_params.disc_mode = BLE_GAP_DISC_MODE_GEN;
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fields.flags = BLE_HS_ADV_F_DISC_GEN |
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BLE_HS_ADV_F_BREDR_UNSUP;
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fields.uuids128 = BLE_UUID128(BLE_UUID128_DECLARE(
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0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
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0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff));
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fields.num_uuids128 = 1;
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fields.uuids128_is_complete = 0;;
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fields.tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO;
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rsp_fields.name = (uint8_t *)device_name;
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rsp_fields.name_len = strlen(device_name);
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rsp_fields.name_is_complete = 1;
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rc = ble_gap_adv_set_fields(&fields);
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assert(rc == 0);
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rc = ble_gap_adv_rsp_set_fields(&rsp_fields);
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MODLOG_DFLT(INFO,"Starting advertising...\n");
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rc = ble_gap_adv_start(g_own_addr_type, NULL, 100,
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&adv_params, adv_event, NULL);
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assert(rc == 0);
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}
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static void
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on_sync(void)
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{
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int rc;
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/* g_own_addr_type will store type of addres our BSP uses */
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rc = ble_hs_util_ensure_addr(0);
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assert(rc == 0);
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rc = ble_hs_id_infer_auto(0, &g_own_addr_type);
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assert(rc == 0);
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/* begin advertising */
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advertise();
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}
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static void
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on_reset(int reason)
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{
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MODLOG_DFLT(INFO, "Resetting state; reason=%d\n", reason);
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}
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int
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main(int argc, char **argv)
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{
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int rc;
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/* Initialize all packages. */
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sysinit();
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ble_hs_cfg.sync_cb = on_sync;
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ble_hs_cfg.reset_cb = on_reset;
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rc = ble_svc_gap_device_name_set(device_name);
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assert(rc == 0);
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/* As the last thing, process events from default event queue. */
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while (1) {
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os_eventq_run(os_eventq_dflt_get());
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}
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return 0;
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}
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