Thingmagic Mercury API v1.23.0 Manual do Utilizador descarregar pdf (Página 101)

Java Language Interface 101

Java Language Interface

JNI Library

The java interface, when connecting to readers of type SerialReader, requires the use

of a JNI Serial Driver library to handle the low level serial port communications. The

mercuryapi.jar includes libraries supporting the following environments:

Linux on x86

Linux on AMD64

Windows on x86 (see Required Windows Runtime Libraries)

MacOSX

For other platforms the library will have to be custom built. The source and example

makefiles/projects for building the library is in [SDKInstall]/c/[proj/src]/jni.

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Revision Table 3
Date Version Description 4
Contents 5
LLRPReaders 14
RFID environment 14
Example Code 15
Hardware Specific Guides 16
Hardware Abstraction 17
Level 1 API 19
Connecting to Readers 20
Level 1 API 21 21
URI Syntax 22
Region of Operation 23
Reading Tags - The Basics 25
Reader.startReading() 26
Return on N Tags Found 27
ReadListener 28
ReadExceptionListener 28
TagReadData 30
Writing To Tags 31
Status Reporting 32
Exceptions 33
FeatureNotSupportedException 34
Level 2 API 35
Advanced Reading 36
StopTriggerReadPlan 37
MultiReadPlan 37
In-Module Multi-Protocol Read 38
Selecting Specific Tags 39
Gen2.Select 40
ISO180006B.Select 40
Tag Protocol 41
Advanced Tag Operations 42
Embedded TagOp Invocation 43
Gen2 Standard TagOps 44
Gen2.WriteData 45
Gen2.Lock 45
Gen2 Optional TagOps 47
Gen2.BlockPermaLock 48
Level 2 API 49 49
Gen2.NXP.G2I.ChangeConfig 50
Gen2.IDS.SL900A.AccessFifo 51
Gen2.IDS.SL900A.GetLogState 51
52 Level 2 API 52
ISO18000-6B TagOps 53
Iso180006b.Lock 54
Killing Tags 55
Locking Tags 55
Tag Memory Access 55
56 Level 2 API 56
Antenna Usage 57
GPIO Support 59
Firmware Updates 60
Rebooting Readers 61
Protocol License Keys 62
Debug Logging 63
Configuring Readers 64
/reader/baudRate 65
/reader/baudRate 65
66 Level 2 API 66
/reader/commandTimeout 66
/reader/licenseKey 66
/reader/userMode 67
/reader/powerMode 67
/reader/transportTimeout 67
/reader/antenna 68
/reader/antenna/portList 69
/reader/gen2 70
Level 2 API 71 71
/reader/gen2/tagEncoding 73
/reader/gen2/session 73
74 Level 2 API 74
/reader/gen2/target 74
/reader/gen2/Tari 74
/reader/gpio 75
/reader/iso18000-6b 76
/reader/radio 77
78 Level 2 API 78
/reader/radio/powerMax 78
/reader/radio/powerMin 78
/reader/radio/readPower 79
/reader/radio/writePower 79
/reader/radio/temperature 79
/reader/read 80
/reader/region 81
/reader/status 82
/reader/tagReadData 83
84 Level 2 API 84
/reader/tagop 85
/reader/version 86
/reader/version/software 87
88 Level 2 API 88
Level 3 API 89
90 Level 3 API 90
.NET Language Interface 91
USB Drivers 92
.NET Language Interface 93 93
94 .NET Language Interface 94
C Language Interface 95
C Language Features 96
Build Considerations 97
98 C Language Interface 98
IOS Support 99
100 C Language Interface 100
Creating an APP ID 100
Java Language Interface 101
LLRP ToolKit (LTK) Support 102
Java Language Interface 103 103
Android Support 104
Advanced Customization 105
Changes Required for C#/.NET 107
108 Advanced Customization 108
Changes Required for C 109
Example: 110
Changes Required for Java 111
112 Advanced Customization 112
On Reader Applications 113
Requirements 114
Instructions 114
Compiling an Application 115
Troubleshooting 116
Via NFS Mount 116
Via wget 116
Default inittab 117
Modified inittab 117
Telnet to the Reader 118
On Reader Applications 119 119
120 On Reader Applications 120
Performance Tuning 121
How UHF RFID Works (Gen2) 122
Transmit Power 123
Reader-to-Tag Settings 123
Tag-to-Reader Settings 124
Tag Contention Settings 124
Performance Tuning 125 125
126 Performance Tuning 126
Optimizing Gen2 settings 127
128 Performance Tuning 128

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