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