转自：https://www.bluetooth.com/specifications/assigned-numbers/service-discovery

service discovery

​​​Use Assigned Numbers in the Service Discovery Protocol (SDP) for searching for services, a browse group list, documentation URL, and an icon URL.

Service Discovery Protocol (SDP)

Universally Unique Identifier (UUID) short forms

The Bluetooth® Service Discovery Protocol (SDP) specification defines a way to represent a range of UUIDs (which are nominally 128 bits) in a shorter form. A reserved range of 232 values can be represented using 32 bits (denoted uuid32). Of these, a sub-range of 216 values can be represented using only 16 bits (denoted uuid16).

All values in the 232 range that are not assigned in this document are reserved pending future revisions of this document. In other words, no value in this range may be used except as specified in this or future revisions of this document. UUID values outside of this range can be allocated as described in [ISO-11578] for any purpose the allocator desires.

Base Universally Unique Identifier (UUID)

The Base UUID is used for calculating 128-bit UUIDs from "short UUIDs" (uuid16 and uuid32) as described in the SDP Specification. See Service Discovery Protocol (SDP) in the Bluetooth Core Specification.

NOTE: Currently all assigned short UUIDs are uuid16 types.

UUID Name UUID
BASE_UUID 00000000-0000-1000-8000-00805F9B34FB

Protocol Identifiers

The UUIDs in the following table shall be used only in the ProfileDescriptorList attribute.

Protocol Name UUID Protocol Specification
SDP 0x0001 Bluetooth Core Specification
UDP 0x0002 [NO USE BY PROFILES]
RFCOMM 0x0003 RFCOMM with TS 07.10
TCP 0x0004 [NO USE BY PROFILES]
TCS-BIN 0x0005 Telephony Control Specification / TCS Binary [DEPRECATED]
TCS-AT 0x0006 [NO USE BY PROFILES]
ATT 0x0007 Attribute Protocol
OBEX 0x0008 IrDA Interoperability
IP 0x0009 [NO USE BY PROFILES]
FTP 0x000A [NO USE BY PROFILES]
HTTP 0x000C [NO USE BY PROFILES]
WSP 0x000E [NO USE BY PROFILES]
BNEP 0x000F Bluetooth Network Encapsulation Protocol (BNEP)
UPNP 0x0010 Extended Service Discovery Profile (ESDP) [DEPRECATED]
HIDP 0x0011 Human Interface Device Profile (HID)
HardcopyControlChannel 0x0012 Hardcopy Cable Replacement Profile (HCRP)
HardcopyDataChannel 0x0014 See Hardcopy Cable Replacement Profile (HCRP)
HardcopyNotification 0x0016 Hardcopy Cable Replacement Profile (HCRP)
AVCTP 0x0017 Audio/Video Control Transport Protocol (AVCTP)
AVDTP 0x0019 Audio/Video Distribution Transport Protocol (AVDTP)
CMTP 0x001B Common ISDN Access Profile (CIP) [DEPRECATED]
MCAPControlChannel 0x001E Multi-Channel Adaptation Protocol (MCAP)
MCAPDataChannel 0x001F Multi-Channel Adaptation Protocol (MCAP)
L2CAP 0x0100 Bluetooth Core Specification
  (Max value 0xFFFF)  

Table 1: Protocol Identifiers and Names, Service Classes and Profile Identifiers

UUIDs in the following table, which have an allowed usage of Service Class may be used in the ServiceClassIDList universal attribute, but shall not be used in the BluetoothProfileDescriptorList attribute unless the Profile usage is also allowed per the table below. If a Service Class UUID is exposed in the SDP database of a product, then the product containing the SDP record shall comply with the specification that defines the service corresponding to the UUID.

UUIDs in the following table which have an allowed usage of Profile may be used in the BluetoothProfileDescriptorList universal attribute, but shall not be used in the ServiceClassIDList universal attribute unless the Service Class usage is also allowed per the table below.

For historical reasons, some UUIDs in Table 2 are used to identify profiles in a BluetoothProfileDescriptorList universal attribute as well as service classes in a ServiceClassIDList universal attribute. However, for new profiles, Service Class UUIDs shall not be used in a BluetoothProfileDescriptorList universal attribute and Profile UUIDs shall not be used in a ServiceClassIDList universal attribute.

Service Class Name UUID Specification Allowed Usage
ServiceDiscoveryServerServiceClassID 0x1000 Bluetooth Core Specification Service Class
BrowseGroupDescriptorServiceClassID 0x1001 Bluetooth Core Specification Service Class
SerialPort 0x1101 Serial Port Profile (SPP)
NOTE: The example SDP record in SPP v1.0 does not include a BluetoothProfileDescriptorList attribute, but some implementations may also use this UUID for the Profile Identifier.		 Service Class/ Profile
LANAccessUsingPPP 0x1102 LAN Access Profile
[DEPRECATED]
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class/ Profile
DialupNetworking 0x1103 Dial-up Networking Profile (DUN)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class/ Profile
IrMCSync 0x1104 Synchronization Profile (SYNC)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class/ Profile
OBEXObjectPush 0x1105 Object Push Profile (OPP)
NOTE: Used as both Service Class Identifier and Profile.		 Service Class/ Profile
OBEXFileTransfer 0x1106 File Transfer Profile (FTP)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class/ Profile
IrMCSyncCommand 0x1107 Synchronization Profile (SYNC)  
Headset 0x1108 Headset Profile (HSP)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class/ Profile
CordlessTelephony 0x1109 Cordless Telephony Profile (CTP)
NOTE: Used as both Service Class Identifier and Profile Identifier.
[DEPRECATED]		 Service Class/ Profile
AudioSource 0x110A Advanced Audio Distribution Profile (A2DP) Service Class
AudioSink 0x110B Advanced Audio Distribution Profile (A2DP) Service Class
A/V_RemoteControlTarget 0x110C Audio/Video Remote Control Profile (AVRCP) Service Class
AdvancedAudioDistribution 0x110D Advanced Audio Distribution Profile (A2DP) Profile
A/V_RemoteControl 0x110E Audio/Video Remote Control Profile (AVRCP)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class/ Profile
A/V_RemoteControlController 0x110F Audio/Video Remote Control Profile (AVRCP)
NOTE: The AVRCP specification v1.3 and later require that 0x110E also be included in the ServiceClassIDList before 0x110F for backwards compatibility.		 Service Class
Intercom 0x1110 Intercom Profile (ICP)
NOTE: Used as both Service Class Identifier and Profile Identifier.
[DEPRECATED]		 Service Class
Fax 0x1111 Fax Profile (FAX)
NOTE: Used as both Service Class Identifier and Profile Identifier.
[DEPRECATED]		 Service Class
Headset - Audio Gateway (AG) 0x1112 Headset Profile (HSP) Service Class
WAP 0x1113 Interoperability Requirements for Bluetooth technology as a WAP, Bluetooth SIG [DEPRECATED] Service Class
WAP_CLIENT 0x1114 Interoperability Requirements for Bluetooth technology as a WAP, Bluetooth SIG [DEPRECATED] Service Class
PANU 0x1115 Personal Area Networking Profile (PAN)
NOTE: Used as both Service Class Identifier and Profile Identifier for PANU role.		 Service Class / Profile
NAP 0x1116 Personal Area Networking Profile (PAN)
NOTE: Used as both Service Class Identifier and Profile Identifier for NAP role.		 Service Class / Profile
GN 0x1117 Personal Area Networking Profile (PAN)
NOTE: Used as both Service Class Identifier and Profile Identifier for GN role.		 Service Class / Profile
DirectPrinting 0x1118 Basic Printing Profile (BPP) Service Class
ReferencePrinting 0x1119 See Basic Printing Profile (BPP) Service Class
Basic Imaging Profile 0x111A Basic Imaging Profile (BIP) Profile
ImagingResponder 0x111B Basic Imaging Profile (BIP) Service Class
ImagingAutomaticArchive 0x111C Basic Imaging Profile (BIP) Service Class
ImagingReferencedObjects 0x111D Basic Imaging Profile (BIP) Service Class
Handsfree 0x111E Hands-Free Profile (HFP)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class / Profile
HandsfreeAudioGateway 0x111F Hands-free Profile (HFP) Service Class
DirectPrintingReferenceObjectsService 0x1120 Basic Printing Profile (BPP) Service Class
ReflectedUI 0x1121 Basic Printing Profile (BPP) Service Class
BasicPrinting 0x1122 Basic Printing Profile (BPP) Profile
PrintingStatus 0x1123 Basic Printing Profile (BPP) Service Class
HumanInterfaceDeviceService 0x1124 Human Interface Device (HID)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class / Profile
HardcopyCableReplacement 0x1125 Hardcopy Cable Replacement Profile (HCRP) Profile
HCR_Print 0x1126 Hardcopy Cable Replacement Profile (HCRP) Service Class
HCR_Scan 0x1127 Hardcopy Cable Replacement Profile (HCRP) Service Class
Common_ISDN_Access 0x1128 Common ISDN Access Profile (CIP)
NOTE: Used as both Service Class Identifier and Profile Identifier.
[DEPRECATED]		 Service Class / Profile
SIM_Access 0x112D SIM Access Profile (SAP)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class / Profile
Phonebook Access - PCE 0x112E Phonebook Access Profile (PBAP) Service Class
Phonebook Access - PSE 0x112F Phonebook Access Profile (PBAP) Service Class
Phonebook Access 0x1130 Phonebook Access Profile (PBAP) Profile
Headset - HS 0x1131 Headset Profile (HSP)
NOTE: See erratum #3507.
0x1108 and 0x1203 should also be included in the ServiceClassIDList before 0x1131 for backwards compatibility.		 Service Class
Message Access Server 0x1132 Message Access Profile (MAP) Service Class
Message Notification Server 0x1133 Message Access Profile (MAP) Service Class
Message Access Profile 0x1134 Message Access Profile (MAP) Profile
GNSS 0x1135 Global Navigation Satellite System Profile (GNSS) Profile
GNSS_Server 0x1136 Global Navigation Satellite System Profile (GNSS) Service Class
​3D Display 0x1137​ ​3D Synchronization Profile (3DSP) Service Class​
​3D Glasses ​0x1138 ​3D Synchronization Profile (3DSP) ​Service Class
​3D Synchronization 0x1139​ ​3D Synchronization Profile (3DSP) ​Profile
​MPS Profile UUID ​0x113A ​Multi-Profile Specification (MPS) ​Profile
​MPS SC UUID ​0x113B ​Multi-Profile Specification (MPS) ​Service Class
​CTN Access Service​ ​0x113C​ ​Calendar, Task, and Notes (CTN) Profile ​Service Class
​CTN Notification Service​ ​0x113D ​​Calendar Tasks and Notes (CTN) Profile ​Service Class
​CTN Profile ​0x113E ​​Calendar Tasks and Notes (CTN) Profile ​Profile
PnPInformation 0x1200 Device Identification (DID)
NOTE: Used as both Service Class Identifier and Profile Identifier.		 Service Class / Profile
GenericNetworking 0x1201 N/A Service Class
GenericFileTransfer 0x1202 N/A Service Class
GenericAudio 0x1203 N/A Service Class
GenericTelephony 0x1204 N/A Service Class
UPNP_Service 0x1205 Enhanced Service Discovery Profile (ESDP) [DEPRECATED] Service Class
UPNP_IP_Service 0x1206 Enhanced Service Discovery Profile (ESDP) [DEPRECATED] Service Class
ESDP_UPNP_IP_PAN 0x1300 Enhanced Service Discovery Profile (ESDP) [DEPRECATED] Service Class
ESDP_UPNP_IP_LAP 0x1301 Enhanced Service Discovery Profile (ESDP)[DEPRECATED] Service Class
ESDP_UPNP_L2CAP 0x1302 Enhanced Service Discovery Profile (ESDP)[DEPRECATED] Service Class
VideoSource 0x1303 Video Distribution Profile (VDP) Service Class
VideoSink 0x1304 Video Distribution Profile (VDP) Service Class
VideoDistribution 0x1305 Video Distribution Profile (VDP) Profile
HDP 0x1400 Health Device Profile Profile
HDP Source 0x1401 Health Device Profile (HDP) Service Class
HDP Sink 0x1402 Health Device Profile (HDP) Service Class
  (Max value 0xFFFF)    

Table 2: Service Class Profile Identifiers

Browse Group Identifiers

The UUIDs in the following table may be used only in BrowseGroupList attribute.

UUID Name UUID Specification
PublicBrowseRoot 0x1002 Bluetooth Core Specification
  (Max value 0xFFFF)  

Table 3: Browse Group Identifiers and Names

Attribute Identifiers

Advanced Audio Distribution Profile (A2DP)

Applicable to Service Class UUIDs:

  • AudioSource: 0x110A
  • AudioSink: 0x110B
Attribute Name Attribute ID
SupportedFeatures 0x0311

Audio/Video Remote Control Profile (AVRCP)

Applicable to Service Class UUIDs:

  • A/V_RemoteControlTarget: 0x110C
  • A/V_RemoteControl: 0x110E
  • A/V_RemoteControlController: 0x110F
Attribute Name Attribute ID
SupportedFeatures 0x0311

Basic Imaging Profile (BIP)

Applicable to Service Class UUIDs:

  • ImagingResponder: 0x111B
  • ImagingAutomaticArchive: 0x111C
  • ImagingReferencedObjects: 0x111D
Attribute Name Attribute ID
GoepL2capPsm (BIP v1.1 and later) 0x0200
SupportedCapabilities 0x0310
SupportedFeatures 0x0311
SupportedFunctions 0x0312
TotalImagingDataCapacity 0x0313

Basic Printing Profile (BPP)

Applicable to Service Class UUIDs:

  • Direct Printing: 0x1118
  • ReferencePrinting: 0x1119
  • DirectPrintingReferenceObjectsService: 0x1120
  • ReflectedUI: 0x1121
  • PrintingStatus: 0x1123
Attribute Name Attribute ID
Document Formats Supported 0x0350
Character Repertoires Supported 0x0352
XHTML-Print Image Formats Supported 0x0354
Color Supported 0x0356
1284ID 0x0358
Printer Name 0x035A
Printer Location 0x035C
Duplex Supported 0x035E
Media Types Supported 0x0360
MaxMediaWidth 0x0362
MaxMediaLength 0x0364
Enhanced Layout Supported 0x0366
RUI Formats Supported 0x0368
Reference Printing RUI Supported 0x0370
Direct Printing RUI Supported 0x0372
Reference Printing Top URL 0x0374
Direct Printing Top URL 0x0376
Printer Admin RUI Top URL 0x0378
Device Name 0x037A

Bluetooth Core Specification: Universal Attributes

The following attribute IDs have the same meaning for all services. These attribute IDs shall be in the 0x0000 to 0x01FF range.

Attribute Name Attribute ID
ServiceRecordHandle 0x0000
ServiceClassIDList 0x0001
ServiceRecordState 0x0002
ServiceID 0x0003
ProtocolDescriptorList 0x0004
BrowseGroupList 0x0005
LanguageBaseAttributeIDList 0x0006
ServiceInfoTimeToLive 0x0007
ServiceAvailability 0x0008
BluetoothProfileDescriptorList 0x0009
DocumentationURL 0x000A
ClientExecutableURL 0x000B
IconURL 0x000C
AdditionalProtocolDescriptorLists 0x000D
Reserved 0x000E – 0x01FF

Bluetooth Core Specification: Service Discovery Service

Applicable to Service Class UUIDs:

  • ServiceDiscoveryServerServiceClassID: 0x1000
Attribute Name Attribute ID
VersionNumberList 0x0200
ServiceDatabaseState 0x0201

Bluetooth Core Specification: Browse Group Descriptor Service

Applicable to Service Class UUIDs:

  • BrowseGroupDescriptorServiceClassID: 0x1001
Attribute Name Attribute ID
GroupID 0x0200

Cordless Telephony Profile [DEPRECATED]

Applicable to Service Class UUIDs:

  • CordlessTelephony: 0x1001
Attribute Name Attribute ID
External Network 0x0301

Device Identification Profile

Applicable to Service Class UUIDs:

  • PnPInformation: 0x1200
Attribute Name Attribute ID
SpecificationID 0x0200
VendorID 0x0201
ProductID 0x0202
Version 0x0203
PrimaryRecord 0x0204
VendorIDSource 0x0205

Fax Profile [DEPRECATED]

Applicable to Service Class UUIDs:

  • Fax: 0x1111
Attribute Name Attribute ID
Fax Class 1 Support 0x0302
Fax Class 2.0 Support 0x0303
Fax Class 2 Support(vendor-specific class) 0x0304
Audio Feedback Support 0x0305

File Transfer Profile

Applicable to Service Class UUIDs:

  • OBEXFileTransfer: 0x1106
Attribute Name Attribute ID
GoepL2capPsm(FTP v1.2 and later) 0x0200

Generic Object Exchange Profile

Attribute Name Attribute ID
GoepL2capPsm(GOEP v2.0 and later) Must be defined separately for each GOEP-based service.

Global Navigation Satellite System Profile (GNSS)

Applicable to Service Class UUIDs:

  • GNSS Service: 0x1136
Attribute Name Attribute ID
SupportedFeatures 0x0200

Hands-Free Profile

Applicable to Service Class UUIDs:

  • Handsfree: 0x111E
  • HandsfreeAudioGateway: 0x111F
Attribute Name Attribute ID
Network 0x0301
SupportedFeatures 0x0311

Hardcopy Replacement Profile

Applicable to Service Class UUIDs:

  • HCR_Print: 0x1126
  • HCR_Scan: 0x1127
Attribute Name Attribute ID
1284ID 0x0300
Device Name 0x0302
Friendly Name 0x0304
Device Location 0x0306

Headset Profile

Applicable to Service Class UUIDs:

  • Headset: 0x1108
  • Headset - Audio Gateway (AG): 0x1112
  • Headset: 0x1131
Attribute Name Attribute ID
Remote Audio Volume Control 0x0302​

Health Device Profile

Applicable to Service Class UUIDs:

  • HDP Source: 0x1401
  • HDP Sink: 0x1402
Attribute Name Attribute ID
SupportFeaturesList 0x0200
DataExchangeSpecification 0x0301
MCAP Supported Procedures 0x0302

Human Interface Device Profile

Applicable to Service Class UUIDs:

  • HumanInterfaceDeviceService: 0x1124
Attribute Name Attribute ID
HIDDeviceReleaseNumber (Deprecated) 0x0200
HIDParserVersion 0x0201
HIDDeviceSubclass 0x0202
HIDCountryCode 0x0203
HIDVirtualCable 0x0204
HIDReconnectInitiate 0x0205
HIDDescriptorList 0x0206
HIDLANGIDBaseList 0x0207
HIDSDPDisable (Deprecated) 0x0208
HIDBatteryPower 0x0209
HIDRemoteWake 0x020A
HIDProfileVersion 0x020B
HIDSupervisionTimeout 0x020C
HIDNormallyConnectable 0x020D
HIDBootDevice 0x020E
​HIDSSRHostMaxLatency ​0x020F
​HIDSSRHostMinTimeout ​0x0210
Reserved for HID Attributes 0x0211-0x03FF
Available for HID Language Strings 0x0400-0xFFFF

Interoperability Requirements for Bluetooth technology as a WAP Bearer [DEPRECATED]

Applicable to Service Class UUIDs:

  • WAP: 0x1113
  • WAP_CLIENT: 0x1114
Attribute Name Attribute ID
NetworkAddress 0x0306
WAPGateway 0x0307
HomePageURL 0x0308
WAPStackType 0x0309

Message Access Profile

Applicable to Service Class UUIDs:

  • Message Access Server: 0x1132
  • Message Notification Server: 0x1133
Attribute Name Attribute ID
​GoepL2capPsm (MAP v1.2 and later) ​0x0200
MASInstanceID 0x0315
SupportedMessageTypes 0x0316
​MapSupportedFeatures (MAP v1.2 and later) ​0x0317

Object Push Profile

Applicable to Service Class UUIDs:

  • OBEXObjectPush: 0x1105
Attribute Name Attribute ID
GoepL2capPsm (OPP v1.2 and later) 0x0200
Service Version 0x0300
Supported Formats List 0x0303

Personal Area Networking Profile

Applicable to Service Class UUIDs:

  • PANU: 0x1115
  • NAP: 0x1116
  • GN: 0x1117
Attribute Name Attribute ID
IpSubnet (Not used in PAN v1.0) 0x0200
SecurityDescription 0x030A
NetAccessType 0x030B
MaxNetAccessrate 0x030C
IPv4Subnet 0x030D
IPv6Subnet 0x030E

Phone Book Access Profile

Applicable to Service Class UUIDs:

  • Phonebook Access - PCE: 0x112E
  • Phonebook Access - PSE: 0x112F
Attribute Name Attribute ID
​GoepL2capPsm (PBAP v1.2 and later) ​0x0200
SupportedRepositories 0x0314
​PbapSupportedFeatures (PBAP v1.2 and later) ​0x0317

Synchronization Profile

Applicable to Service Class UUIDs:

  • IrMCSync: 0x1104
Attribute Name Attribute ID
Supported Data Stores List 0x0301

Attribute ID Offsets for Strings

The following table contains Attribute ID Offsets that are added to the value contained in the LanguageBaseAttributeIDList attribute.

Attribute ID Offset Name Attribute ID Offset Reference
ServiceName 0x0000 Bluetooth Core Specification
ServiceDescription 0x0001 Bluetooth Core Specification
ProviderName 0x0002 Bluetooth Core Specification
  (Max value 0xFFFF)  

Table 5: Attribute Identifiers

The base offset as given by the LanguageBaseAttributeIDList attribute must be added to each ID value in this table. For the primary language, this shall be equal to 0x0100 as described in the SDP specification.

Protocol Parameters

Protocol Parameter Name Parameter Index
L2CAP PSM 1
RFCOMM Channel 1
TCP Port 1
UDP Port 1
BNEP Version 1
BNEP Supported Network Packet Type List 2

Table 6: Protocol Parameter

Multi-Profile

Applicable​​​ to Service Class UUIDs:

  • MPS SC UUID: 0x113B
Attribute Name Attribute ID
MPSD Scenarios 0x0200
MPMD Scenarios 0x0201
Supported Profiles & Protocols 0x0202

Table 7: Multi-Profile

Calendar Tasks and Notes

Applicable​​​ to Service Class UUIDs:

  • CTN Service Class: 0x113C
  • CTN Notification Service: 0x113D
Attribute Name Attribute ID
CASInstanceID 0x0315
CTNSupportedFeatures 0x0317

Table 8: Calendar Tasks and Notes (CTN) Profile​

 

bluetooth service uuid的更多相关文章

  1. 蓝牙发现服务UUID(service UUID)

    出至<蓝牙标准Core_V4.0>2.5.1 uuid(1576页) 其中 Bluetooth_Base_UUID定义为 00000000-0000-1000-8000-00805F9B3 ...

  2. Android - Get Bluetooth UUID for this device

    Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join th ...

  3. core Bluetooth（蓝牙4.0）

    蓝牙4.0以低功耗著称,一般也叫BLE(Bluetooth Low Energy). 目前主要应用的场景有:智能家居.运动手环和室内导航等. 利用core Bluetooth框架可以实现苹果设备与第三 ...

  4. Bluetooth GATT介绍

    目录 1. 介绍 2 内容 2.1 Configured Broadcast 2.2 GATT Profile Hierarchy 3 Service Interoperability Require ...

  5. 【转】Core Bluetooth框架之一：Central与Peripheral

    原文网址:http://southpeak.github.io/blog/2014/07/29/core-bluetoothkuang-jia-zhi-%5B%3F%5D-:centralyu-per ...

  6. 【转】Android4.4 之Bluetooth整理

    原文网址:http://www.cnblogs.com/shed/p/3737016.html Android 4.4上蓝牙协议栈采用的是BRCM和Google共同开发的bluedroid,代替了之前 ...

  7. android Bluetooth(官方翻译)

    Bluetooth Using the Bluetooth APIs, an Android application can perform the following: 使用蓝牙APIs,一个And ...

  8. [转]Introduction to Core Bluetooth: Building a Heart Rate Monitor

    ref:http://www.raywenderlich.com/52080/introduction-core-bluetooth-building-heart-rate-monitor The C ...

  9. GATT之Device information Service

    许多开发者都在开发BLE Peripheral设备,当中往往包含本文要着急介绍的Device Information Service(DIS)服务,它是对设备的制作商,设备软硬件版本控制,生产信息披露 ...

随机推荐

  1. class training

    实验3-1 分别使用while循环.do while循环.for循环求 (即求1+2+3+ --+100). 参考: 源码 方法一#include<stdio.h> int main(){ ...

  2. hiho #1372:平方求 (bfs)

    #1372 : 平方求和 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 对于一个非负整数n,最少需要几个完全平方数,使其和为n? 输入 输入包含多组数据.对于每组数据: ...

  3. u-boot 2011.09 调用kernel 的流程

    这段时候我总是觉得有个问题,u-boot 的存在是不是就是为了调用kernel 而存在的. 所以,粗浅的跟了一下这个流程,还有很多细节上的东西没有做好,往指正. u-boot-2011.9 调用内核代 ...

  4. Hashtable和HashMap的区别举例

    我们先看2个类的定义 public class Hashtable extends Dictionary implements Map, Cloneable, java.io.Serializable ...

  5. 3.创建基本的AngularJS应用

    1.1.模块 AngularJS引入了代表应用程序组件的模块的概念.模块提供命名空间,以基于模型的名称来引用指令,范围和其他组件.使得包装和再利用应用程序的部件更容易. AngularJS中,每个视图 ...

  6. 如何用phpstorm编辑远程项目

    背景介绍:LAMP开发是很多公司喜欢采用的技术组合,故而做php开发,使用linux环境也是很多公司的要求.本文就来介绍下如何在windows下,使用phpstorm集成开发环境,来开发放在linux ...

  7. devstack查看服务日志

    执行如下指令: $ screen -x stack 同时按ctrl和a键,然后同时按shift和'键(即"),就可以浏览到服务列表: 上下翻到要查看的服务,进入即可看到当前的运行日志.重启就 ...

  8. MQTT协议（一）

    MQTT(Message Queue Telemetry Transport),遥测传输协议,提供订阅/发布模式,更为简约.轻量,易于使用,针对受限环境(带宽低.网络延迟高.网络通信不稳定),可以简单 ...

  9. POJ 2769

    http://poj.org/problem?id=2796 题意:求n个数的和乘以这n个数中的最小值的积最大的数,以及其范围. 思路:求每一个数两边的比其大的数的和,再乘以这个数.还有一个范围,用单 ...

  10. CSS中的float与clear

    参考: http://www.cnblogs.com/iyangyuan/archive/2013/03/27/2983813.html http://www.cnblogs.com/iloveyou ...