/*
|
* 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 "sysinit/sysinit.h"
|
#include "os/os.h"
|
#include "console/console.h"
|
#include "host/ble_hs.h"
|
#include "host/util/util.h"
|
#include "log/log.h"
|
|
/* scan_event() calls scan(), so forward declaration is required */
|
static void scan(void);
|
|
static void
|
ble_app_set_addr(void)
|
{
|
ble_addr_t addr;
|
int rc;
|
|
/* generate new non-resolvable private address */
|
rc = ble_hs_id_gen_rnd(1, &addr);
|
assert(rc == 0);
|
|
/* set generated address */
|
rc = ble_hs_id_set_rnd(addr.val);
|
assert(rc == 0);
|
}
|
|
static void
|
print_uuid(const ble_uuid_t *uuid)
|
{
|
char buf[BLE_UUID_STR_LEN];
|
|
MODLOG_DFLT(DEBUG, "%s", ble_uuid_to_str(uuid, buf));
|
}
|
|
/* Utility function to log an array of bytes. */
|
static void
|
print_bytes(const uint8_t *bytes, int len)
|
{
|
int i;
|
|
for (i = 0; i < len; i++) {
|
MODLOG_DFLT(DEBUG, "%s0x%02x", i != 0 ? ":" : "", bytes[i]);
|
}
|
}
|
|
static char *
|
addr_str(const void *addr)
|
{
|
static char buf[6 * 2 + 5 + 1];
|
const uint8_t *u8p;
|
|
u8p = addr;
|
sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
|
u8p[5], u8p[4], u8p[3], u8p[2], u8p[1], u8p[0]);
|
|
return buf;
|
}
|
|
static void
|
print_adv_fields(const struct ble_hs_adv_fields *fields)
|
{
|
char s[BLE_HS_ADV_MAX_SZ];
|
const uint8_t *u8p;
|
int i;
|
|
if (fields->flags != 0) {
|
MODLOG_DFLT(DEBUG, " flags=0x%02x\n", fields->flags);
|
}
|
|
if (fields->uuids16 != NULL) {
|
MODLOG_DFLT(DEBUG, " uuids16(%scomplete)=",
|
fields->uuids16_is_complete ? "" : "in");
|
for (i = 0; i < fields->num_uuids16; i++) {
|
print_uuid(&fields->uuids16[i].u);
|
MODLOG_DFLT(DEBUG, " ");
|
}
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->uuids32 != NULL) {
|
MODLOG_DFLT(DEBUG, " uuids32(%scomplete)=",
|
fields->uuids32_is_complete ? "" : "in");
|
for (i = 0; i < fields->num_uuids32; i++) {
|
print_uuid(&fields->uuids32[i].u);
|
MODLOG_DFLT(DEBUG, " ");
|
}
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->uuids128 != NULL) {
|
MODLOG_DFLT(DEBUG, " uuids128(%scomplete)=",
|
fields->uuids128_is_complete ? "" : "in");
|
for (i = 0; i < fields->num_uuids128; i++) {
|
print_uuid(&fields->uuids128[i].u);
|
MODLOG_DFLT(DEBUG, " ");
|
}
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->name != NULL) {
|
assert(fields->name_len < sizeof s - 1);
|
memcpy(s, fields->name, fields->name_len);
|
s[fields->name_len] = '\0';
|
MODLOG_DFLT(DEBUG, " name(%scomplete)=%s\n",
|
fields->name_is_complete ? "" : "in", s);
|
}
|
|
if (fields->tx_pwr_lvl_is_present) {
|
MODLOG_DFLT(DEBUG, " tx_pwr_lvl=%d\n", fields->tx_pwr_lvl);
|
}
|
|
if (fields->slave_itvl_range != NULL) {
|
MODLOG_DFLT(DEBUG, " slave_itvl_range=");
|
print_bytes(fields->slave_itvl_range, BLE_HS_ADV_SLAVE_ITVL_RANGE_LEN);
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->svc_data_uuid16 != NULL) {
|
MODLOG_DFLT(DEBUG, " svc_data_uuid16=");
|
print_bytes(fields->svc_data_uuid16, fields->svc_data_uuid16_len);
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->public_tgt_addr != NULL) {
|
MODLOG_DFLT(DEBUG, " public_tgt_addr=");
|
u8p = fields->public_tgt_addr;
|
for (i = 0; i < fields->num_public_tgt_addrs; i++) {
|
MODLOG_DFLT(DEBUG, "public_tgt_addr=%s ", addr_str(u8p));
|
u8p += BLE_HS_ADV_PUBLIC_TGT_ADDR_ENTRY_LEN;
|
}
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->appearance_is_present) {
|
MODLOG_DFLT(DEBUG, " appearance=0x%04x\n", fields->appearance);
|
}
|
|
if (fields->adv_itvl_is_present) {
|
MODLOG_DFLT(DEBUG, " adv_itvl=0x%04x\n", fields->adv_itvl);
|
}
|
|
if (fields->svc_data_uuid32 != NULL) {
|
MODLOG_DFLT(DEBUG, " svc_data_uuid32=");
|
print_bytes(fields->svc_data_uuid32, fields->svc_data_uuid32_len);
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->svc_data_uuid128 != NULL) {
|
MODLOG_DFLT(DEBUG, " svc_data_uuid128=");
|
print_bytes(fields->svc_data_uuid128, fields->svc_data_uuid128_len);
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->uri != NULL) {
|
MODLOG_DFLT(DEBUG, " uri=");
|
print_bytes(fields->uri, fields->uri_len);
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
|
if (fields->mfg_data != NULL) {
|
MODLOG_DFLT(DEBUG, " mfg_data=");
|
print_bytes(fields->mfg_data, fields->mfg_data_len);
|
MODLOG_DFLT(DEBUG, "\n");
|
}
|
}
|
|
static int
|
scan_event(struct ble_gap_event *event, void *arg)
|
{
|
struct ble_hs_adv_fields fields;
|
int rc;
|
switch (event->type) {
|
/* advertising report has been received during discovery procedure */
|
case BLE_GAP_EVENT_DISC:
|
MODLOG_DFLT(ERROR, "Advertising report received!\n");
|
rc = ble_hs_adv_parse_fields(&fields, event->disc.data,
|
event->disc.length_data);
|
if (rc != 0) {
|
return 0;
|
}
|
print_adv_fields(&fields);
|
return 0;
|
/* discovery procedure has terminated */
|
case BLE_GAP_EVENT_DISC_COMPLETE:
|
MODLOG_DFLT(INFO, "Discovery completed, terminaton code: %d\n",
|
event->disc_complete.reason);
|
scan();
|
return 0;
|
default:
|
MODLOG_DFLT(ERROR, "Discovery event not handled\n");
|
return 0;
|
}
|
}
|
|
static void
|
scan(void)
|
{
|
/* set scan parameters */
|
struct ble_gap_disc_params scan_params;
|
scan_params.itvl = 500;
|
scan_params.window = 250;
|
scan_params.filter_policy = 0;
|
scan_params.limited = 0;
|
scan_params.passive = 1;
|
scan_params.filter_duplicates = 1;
|
/* performs discovery procedure; value of own_addr_type is hard-coded,
|
because NRPA is used */
|
ble_gap_disc(BLE_OWN_ADDR_RANDOM, 1000, &scan_params, scan_event, NULL);
|
}
|
|
static void
|
on_sync(void)
|
{
|
/* Generate a non-resolvable private address. */
|
ble_app_set_addr();
|
|
/* begin scanning */
|
scan();
|
}
|
|
static void
|
on_reset(int reason)
|
{
|
console_printf("Resetting state; reason=%d\n", reason);
|
}
|
|
int
|
main(int argc, char **argv)
|
{
|
/* Initialize all packages. */
|
sysinit();
|
|
ble_hs_cfg.sync_cb = on_sync;
|
ble_hs_cfg.reset_cb = on_reset;
|
|
/* As the last thing, process events from default event queue. */
|
while (1) {
|
os_eventq_run(os_eventq_dflt_get());
|
}
|
|
return 0;
|
}
|
