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274 lines
8.1 KiB
274 lines
8.1 KiB
/******************************************************************************
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*
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* Copyright 2014 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#include "support/adapter.h"
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#include "base.h"
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#include "btcore/include/property.h"
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#include "support/callbacks.h"
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static bt_state_t state;
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static int property_count = 0;
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static bt_property_t* properties = NULL;
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static bt_discovery_state_t discovery_state;
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static bt_acl_state_t acl_state;
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static bt_bond_state_t bond_state;
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static void parse_properties(int num_properties, bt_property_t* property);
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// Returns the current adapter state.
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bt_state_t adapter_get_state() { return state; }
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// Returns the number of adapter properties.
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int adapter_get_property_count() { return property_count; }
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// Returns the specified property.
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bt_property_t* adapter_get_property(bt_property_type_t type) {
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for (int i = 0; i < property_count; ++i) {
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if (properties[i].type == type) {
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return &properties[i];
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}
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}
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return NULL;
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}
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// Returns the device discovery state.
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bt_discovery_state_t adapter_get_discovery_state() { return discovery_state; }
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// Returns the device acl state.
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bt_acl_state_t adapter_get_acl_state() { return acl_state; }
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// Returns the device bond state.
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bt_bond_state_t adapter_get_bond_state() { return bond_state; }
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// callback
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void acl_state_changed(bt_status_t status, RawAddress* remote_bd_addr,
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bt_acl_state_t state) {
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acl_state = state;
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CALLBACK_RET();
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}
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// callback
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void adapter_properties(bt_status_t status, int num_properties,
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bt_property_t* new_properties) {
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property_free_array(properties, property_count);
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properties = property_copy_array(new_properties, num_properties);
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property_count = num_properties;
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CALLBACK_RET();
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}
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// callback
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void adapter_state_changed(bt_state_t new_state) {
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state = new_state;
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CALLBACK_RET();
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}
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// callback
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void bond_state_changed(bt_status_t status, RawAddress* bdaddr,
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bt_bond_state_t state) {
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char buf[18];
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bond_state = state;
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const char* state_name = "Bond state unknown";
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switch (bond_state) {
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case BT_BOND_STATE_NONE:
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state_name = "Bond state none";
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break;
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case BT_BOND_STATE_BONDING:
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state_name = "Bond state bonding";
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break;
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case BT_BOND_STATE_BONDED:
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state_name = "Bond state bonded";
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break;
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// default none
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}
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fprintf(stdout, "Bond state changed callback addr:%s state:%s\n",
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bdaddr_to_string(bdaddr, buf, sizeof(buf)), state_name);
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CALLBACK_RET();
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}
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// callback
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void device_found(int num_properties, bt_property_t* property) {
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fprintf(stdout, "Device found num_properties:%d\n", num_properties);
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parse_properties(num_properties, property);
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CALLBACK_RET();
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}
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// callback
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void discovery_state_changed(bt_discovery_state_t state) {
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const char* state_name = "Unknown";
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discovery_state = state;
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switch (discovery_state) {
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case BT_DISCOVERY_STOPPED:
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state_name = "Discovery stopped";
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break;
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case BT_DISCOVERY_STARTED:
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state_name = "Discovery started";
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break;
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// default omitted
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}
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fprintf(stdout, "Discover state %s\n", state_name);
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CALLBACK_RET();
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}
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// callback
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void remote_device_properties(bt_status_t status, RawAddress* bdaddr,
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int num_properties, bt_property_t* properties) {
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char buf[18];
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fprintf(stdout, "Device found bdaddr:%s num_properties:%d\n",
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bdaddr_to_string(bdaddr, buf, sizeof(buf)), num_properties);
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parse_properties(num_properties, properties);
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CALLBACK_RET();
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}
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// callback
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void ssp_request(RawAddress* remote_bd_addr, bt_bdname_t* bd_name, uint32_t cod,
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bt_ssp_variant_t pairing_variant, uint32_t pass_key) {
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char* pairing_variant_name = "Unknown";
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switch (pairing_variant) {
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case BT_SSP_VARIANT_PASSKEY_CONFIRMATION:
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pairing_variant_name = "Passkey confirmation";
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break;
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case BT_SSP_VARIANT_PASSKEY_ENTRY:
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pairing_variant_name = "Passkey entry";
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break;
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case BT_SSP_VARIANT_CONSENT:
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pairing_variant_name = "Passkey consent";
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break;
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case BT_SSP_VARIANT_PASSKEY_NOTIFICATION:
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pairing_variant_name = "Passkey notification";
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break;
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}
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fprintf(stdout,
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"Got ssp request device_class:%u passkey:%x pairing_variant:%s\n",
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cod, pass_key, pairing_variant_name);
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char buf[18];
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fprintf(stdout, "Device found:%s %s\n",
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bdaddr_to_string(remote_bd_addr, buf, sizeof(buf)), bd_name->name);
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fprintf(stdout, "auto-accepting bond\n");
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bool accept = true;
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int rc = bt_interface->ssp_reply(remote_bd_addr, pairing_variant,
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(uint8_t)accept, pass_key);
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CALLBACK_RET();
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}
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// callback
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void thread_evt(bt_cb_thread_evt evt) { CALLBACK_RET(); }
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static void parse_properties(int num_properties, bt_property_t* property) {
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while (num_properties-- > 0) {
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switch (property->type) {
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case BT_PROPERTY_BDNAME: {
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const bt_bdname_t* name = property_as_name(property);
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if (name) fprintf(stdout, " name:%s\n", name->name);
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} break;
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case BT_PROPERTY_BDADDR: {
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char buf[18];
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const RawAddress* addr = property_as_addr(property);
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if (addr)
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fprintf(stdout, " addr:%s\n",
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bdaddr_to_string(addr, buf, sizeof(buf)));
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} break;
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case BT_PROPERTY_UUIDS: {
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size_t num_uuid;
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const Uuid* uuid = property_as_uuids(property, &num_uuid);
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if (uuid) {
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for (size_t i = 0; i < num_uuid; i++) {
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fprintf(stdout, " uuid:%zd: ", i);
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for (size_t j = 0; j < sizeof(uuid); j++) {
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fprintf(stdout, "%02x", uuid->uu[j]);
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}
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fprintf(stdout, "\n");
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}
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}
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} break;
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case BT_PROPERTY_TYPE_OF_DEVICE: {
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bt_device_type_t device_type = property_as_device_type(property);
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if (device_type) {
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const struct {
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const char* device_type;
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} device_type_lookup[] = {
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{"Unknown"},
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{"Classic Only"},
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{"BLE Only"},
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{"Both Classic and BLE"},
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};
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int idx = (int)device_type;
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if (idx > BT_DEVICE_DEVTYPE_DUAL) idx = 0;
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fprintf(stdout, " device_type:%s\n",
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device_type_lookup[idx].device_type);
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}
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} break;
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case BT_PROPERTY_CLASS_OF_DEVICE: {
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const bt_device_class_t* dc = property_as_device_class(property);
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int dc_int = device_class_to_int(dc);
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fprintf(stdout, " device_class:0x%x\n", dc_int);
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} break;
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case BT_PROPERTY_REMOTE_RSSI: {
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int8_t rssi = property_as_rssi(property);
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fprintf(stdout, " rssi:%d\n", rssi);
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} break;
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case BT_PROPERTY_REMOTE_FRIENDLY_NAME: {
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const bt_bdname_t* name = property_as_name(property);
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if (name) fprintf(stdout, " remote_name:%s\n", name->name);
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} break;
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case BT_PROPERTY_SERVICE_RECORD:
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case BT_PROPERTY_ADAPTER_SCAN_MODE:
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case BT_PROPERTY_ADAPTER_BONDED_DEVICES:
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case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT:
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case BT_PROPERTY_REMOTE_VERSION_INFO:
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case BT_PROPERTY_LOCAL_LE_FEATURES:
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case BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP:
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default: {
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fprintf(stderr, "Unhandled property type:%d len:%d\n", property->type,
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property->len);
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uint8_t* p = (uint8_t*)property->val;
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for (int i = 0; i < property->len; ++i, p++) {
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fprintf(stderr, " %02x", *p);
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}
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if (property->len != 0) fprintf(stderr, "\n");
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}
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}
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property++;
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}
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}
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