GenICam_GenTL_1_5_GenICam环境变量

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Version 1.5

GenTL Standard

23 July 2015 Page 1 of 161

GenICam GenTL Standard

Version 1.5

GenTL Standard

23 July 2015 Page 2 of 161

Contents

1 Introduction ...................................................................................................................... 11

1.1 Purpose ..................................................................................................................... 11

1.2 GenTL Subcommittee .............................................................................................. 11

1.3 Acronyms and Definitions ....................................................................................... 11

1.3.1 Acronyms ............................................................................................................. 11

1.3.2 Definitions ............................................................................................................ 12

1.4 References ................................................................................................................ 12

2 Architecture ...................................................................................................................... 13

2.1 Overview .................................................................................................................. 13

2.1.1 GenICam GenTL .................................................................................................. 13

2.1.2 GenICam GenApi ................................................................................................. 13

2.1.3 GenICam GenTL SFNC ....................................................................................... 14

2.2 GenTL Modules ....................................................................................................... 14

2.2.1 System Module ..................................................................................................... 15

2.2.2 Interface Module .................................................................................................. 15

2.2.3 Device Module ..................................................................................................... 16

2.2.4 Data Stream Module ............................................................................................. 16

2.2.5 Buffer Module ...................................................................................................... 16

2.3 GenTL Module Common Parts ................................................................................ 16

2.3.1 C Interface ............................................................................................................ 17

2.3.2 Configuration ....................................................................................................... 18

2.3.3 Signaling (Events) ................................................................................................ 18

3 Module Enumeration and Instantiation ............................................................................ 19

3.1 Setup ......................................................................................................................... 19

3.2 System ...................................................................................................................... 20

3.3 Interface .................................................................................................................... 21

3.4 Device ....................................................................................................................... 23

3.5 Data Stream .............................................................................................................. 24

3.6 Buffer ....................................................................................................................... 24

3.7 Enumerated modules list overview .......................................................................... 25

Version 1.5

GenTL Standard

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3.8 Example .................................................................................................................... 26

3.8.1 Basic Device Access ............................................................................................ 26

3.8.2 InitLib ................................................................................................................... 27

3.8.3 OpenTL ................................................................................................................ 27

3.8.4 OpenFirstInterface ................................................................................................ 27

3.8.5 OpenFirstDevice ................................................................................................... 27

3.8.6 OpenFirstDataStream ........................................................................................... 28

3.8.7 CloseDataStream .................................................................................................. 28

3.8.8 CloseDevice ......................................................................................................... 28

3.8.9 CloseInterface ....................................................................................................... 29

3.8.10 CloseTL ............................................................................................................ 29

3.8.11 CloseLib ........................................................................................................... 29

4 Configuration and Signaling ............................................................................................ 30

4.1 Configuration ........................................................................................................... 30

4.1.1 Modules ................................................................................................................ 30

4.1.2 XML Description ................................................................................................. 31

4.1.3 Example ................................................................................................................ 34

4.2 Signaling ................................................................................................................... 34

4.2.1 Event Objects ....................................................................................................... 35

4.2.2 Event Data Queue ................................................................................................. 37

4.2.3 Event Handling ..................................................................................................... 37

4.2.4 Example ................................................................................................................ 40

5 Acquisition Engine ........................................................................................................... 41

5.1 Overview .................................................................................................................. 41

5.1.1 Announced Buffer Pool ........................................................................................ 41

5.1.2 Input Buffer Pool .................................................................................................. 41

5.1.3 Output Buffer Queue ............................................................................................ 41

5.2 Acquisition Chain ..................................................................................................... 42

5.2.1 Allocate Memory .................................................................................................. 43

5.2.2 Announce Buffers ................................................................................................ 44

5.2.3 Queue Buffers ...................................................................................................... 45

5.2.4 Register New Buffer Event .................................................................................. 45

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GenTL Standard

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5.2.5 Start Acquisition ................................................................................................... 45

5.2.6 Acquire Image Data ............................................................................................. 46

5.2.7 Stop Acquisition ................................................................................................... 46

5.2.8 Flush Buffer Pools and Queues ............................................................................ 46

5.2.9 Revoke Buffers ..................................................................................................... 46

5.2.10 Free Memory .................................................................................................... 47

5.3 Buffer Handling Modes ............................................................................................ 47

5.3.1 Default Mode ........................................................................................................ 47

5.4 Chunk Data Handling ............................................................................................... 48

5.4.1 Overview .............................................................................................................. 48

5.4.2 Example ................................................................................................................ 49

5.5 Data Payload Delivery ............................................................................................. 50

5.6 Multi-Part Buffer Handling ...................................................................................... 51

5.6.1 Overview .............................................................................................................. 51

5.6.2 Planar Pixel Formats ............................................................................................ 52

5.6.3 Multiple AOI's ...................................................................................................... 52

5.6.4 Pixel Confidence Data .......................................................................................... 52

5.6.5 3D Data Exchange ................................................................................................ 52

5.6.6 Non-Line Oriented Data ....................................................................................... 53

5.6.7 Multi-Source Devices ........................................................................................... 53

6 Software Interface ............................................................................................................ 54

6.1 Overview .................................................................................................................. 54

6.1.1 Installation ............................................................................................................ 54

6.1.2 Function Naming Convention .............................................................................. 54

6.1.3 Memory and Object Management ........................................................................ 55

6.1.4 Thread and Multiprocess Safety ........................................................................... 55

6.1.5 Error Handling ...................................................................................................... 56

6.1.6 Software Interface Versions ................................................................................. 58

6.2 Used Data Types ...................................................................................................... 59

6.3 Function Declarations .............................................................................................. 60

6.3.1 Library Functions ................................................................................................. 60

6.3.2 System Functions ................................................................................................. 63

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GenTL Standard

23 July 2015 Page 5 of 161

6.3.3 Interface Functions ............................................................................................... 70

6.3.4 Device Functions .................................................................................................. 77

6.3.5 Data Stream Functions ......................................................................................... 83

6.3.6 Port Functions ...................................................................................................... 98

6.3.7 Signaling Functions ............................................................................................ 107

6.4 Enumerations .......................................................................................................... 113

6.4.1 Library and System Enumerations ..................................................................... 113

6.4.2 Interface Enumerations ...................................................................................... 116

6.4.3 Device Enumerations ......................................................................................... 117

6.4.4 Data Stream Enumerations ................................................................................. 121

6.4.5 Port Enumerations .............................................................................................. 144

6.4.6 Signaling Enumerations ..................................................................................... 149

6.5 Structures ................................................................................................................ 153

6.5.1 Signaling Structures ........................................................................................... 153

6.5.2 Port Structures .................................................................................................... 154

6.5.3 Generic Chunk Parser Structures ....................................................................... 154

6.6 String Constants ..................................................................................................... 154

6.6.1 Transport Layer Types ....................................................................................... 154

6.7 Numeric Constants ................................................................................................. 155

7 Standard Features Naming Convention for GenTL ....................................................... 156

7.1 Common ................................................................................................................. 156

7.1.1 System Module ................................................................................................... 156

7.1.2 Interface Module ................................................................................................ 157

7.1.3 Device Module ................................................................................................... 159

7.1.4 Data Stream Module ........................................................................................... 160

7.1.5 Buffer Module .................................................................................................... 161

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