| /* |
| * 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 "console/console.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; |
| } |