GigE-Vision-接口标准详细版本

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GigE Vision Specification

version 1.0

May 23

, 2006 Page 2 of 197

Table of Content

1 Introduction............................................................................................................................... .............. 15

1.1 Purpose............................................................................................................................... ............. 15

1.2 Technical Committee ...................................................................................................................... 15

1.3 Definitions and Acronyms .............................................................................................................. 16

1.3.1 Definitions............................................................................................................................... 16

1.3.2 Requirements Terminology .................................................................................................... 16

1.3.3 Acronyms ............................................................................................................................... . 18

1.4 Reference Documents ..................................................................................................................... 19

PART 1 – Device Discovery ...............................................................................21

2 Device Discovery Summary ................................................................................................................... 22

2.1 Overview............................................................................................................................... .......... 22

2.2 Goals ............................................................................................................................... ................ 22

2.3 Scope............................................................................................................................................... 23

3 IP Configuration............................................................................................................................... ....... 24

3.1 Protocol Selection ........................................................................................................................... 25

3.2 Persistent IP ............................................................................................................................... ..... 26

3.3 DHCP............................................................................................................................... ............... 27

3.3.1 DHCP Retransmission Strategy.............................................................................................. 29

3.4 Link-Local Address ........................................................................................................................ 29

4 Device Enumeration............................................................................................................................... . 31

4.1 Broadcast Device Discovery........................................................................................................... 31

4.2 Unicast Device Discovery............................................................................................................... 32

4.3 Associating the Device to the Enumeration List............................................................................. 32

5 Device Attachment and Removal ........................................................................................................... 33

5.1.1 Removal ............................................................................................................................... ... 33

5.1.2 Attachment.............................................................................................................................. 33

PART 2 – GVCP .................................................................................................34

6 GVCP Summary ............................................................................................................................... ...... 35

GigE Vision Specification

version 1.0

May 23

, 2006 Page 3 of 197

6.1 Overview............................................................................................................................... .......... 35

6.2 Goals ............................................................................................................................... ................ 35

6.3 Scope............................................................................................................................................... 35

7 GVCP Transport Protocol Considerations.............................................................................................. 37

7.1 UDP............................................................................................................................... .................. 37

7.1.1 Fragmentation ......................................................................................................................... 37

7.1.2 Packet Size Requirements....................................................................................................... 38

7.1.3 Reliability and Error Recovery ............................................................................................... 38

7.1.4 Flow Control ........................................................................................................................... 42

7.1.5 End-to-End Connection .......................................................................................................... 42

8 The Channel Concept.............................................................................................................................. 43

9 Control Channel ............................................................................................................................... ....... 45

9.1 Control Channel Privileges............................................................................................................. 46

9.2 Control Channel Registers .............................................................................................................. 49

9.3 Opening a Control Channel ............................................................................................................ 49

9.4 Closing a Control Channel .............................................................................................................. 50

9.5 Control Channel Heartbeat ............................................................................................................. 50

9.6 Controlling the Device .................................................................................................................... 51

10 Stream Channel............................................................................................................................... .... 52

10.1 Stream Channel Registers ............................................................................................................... 52

10.2 Opening a Stream Channel ............................................................................................................. 52

10.3 Closing a Stream Channel............................................................................................................... 52

10.4 Packet Size ............................................................................................................................... ....... 53

10.5 Multicasting ............................................................................................................................... ..... 53

10.6 Impact of Multiple Network Interfaces........................................................................................... 54

11 Message Channel ............................................................................................................................... . 55

11.1 Message Channel Registers ............................................................................................................ 55

11.2 Opening the Message Channel........................................................................................................ 55

11.3 Closing the Message Channel ......................................................................................................... 56

11.4 Asynchronous Events...................................................................................................................... 56

11.5 Multicasting ............................................................................................................................... ..... 56

12 Device with Multiple Network Interfaces........................................................................................... 57

GigE Vision Specification

version 1.0

May 23

, 2006 Page 4 of 197

12.1 Control Channel .............................................................................................................................. 57

12.2 Stream Channels ............................................................................................................................. 58

12.3 Message Channel ............................................................................................................................ 58

13 GVCP Headers............................................................................................................................... ..... 59

13.1 Command Header ........................................................................................................................... 59

13.2 Acknowledge Header...................................................................................................................... 60

13.3 Byte Sequencing ............................................................................................................................. 61

14 Control Channel Dictionary ................................................................................................................ 65

14.1 DISCOVERY............................................................................................................................... ... 65

14.1.1 DISCOVERY_CMD............................................................................................................... 65

14.1.2 DISCOVERY_ACK ............................................................................................................... 65

14.2 FORCEIP ............................................................................................................................... ......... 68

14.2.1 FORCEIP_CMD..................................................................................................................... 68

14.2.2 FORCEIP_ACK...................................................................................................................... 70

14.3 READREG............................................................................................................................... ....... 70

14.3.1 READREG_CMD................................................................................................................... 71

14.3.2 READREG_ACK ................................................................................................................... 71

14.4 WRITEREG ............................................................................................................................... ..... 72

14.4.1 WRITEREG_CMD................................................................................................................. 73

14.4.2 WRITEREG_ACK ................................................................................................................. 73

14.5 READMEM ............................................................................................................................... ..... 74

14.5.1 READMEM_CMD................................................................................................................. 75

14.5.2 READMEM_ACK.................................................................................................................. 75

14.6 WRITEMEM ............................................................................................................................... ... 76

14.6.1 WRITEMEM_CMD ............................................................................................................... 77

14.6.2 WRITEMEM_ACK................................................................................................................ 77

14.7 PACKETRESEND ......................................................................................................................... 78

14.7.1 PACKETRESEND_CMD ...................................................................................................... 79

14.7.2 PACKETRESEND_ACK....................................................................................................... 80

14.7.3 Packet Resend handling on the application-side..................................................................... 80

15 Message Channel Dictionary .............................................................................................................. 81

15.1 EVENT ............................................................................................................................... ............ 81

GigE Vision Specification

version 1.0

May 23

, 2006 Page 5 of 197

15.1.1 EVENT_CMD ........................................................................................................................ 82

15.1.2 EVENT_ACK ......................................................................................................................... 82

15.2 EVENTDATA ............................................................................................................................... . 83

15.2.1 EVENTDATA_CMD ............................................................................................................. 83

15.2.2 EVENTDATA_ACK.............................................................................................................. 84

16 Command and Acknowledge Values.................................................................................................. 86

17 Retrieving the XML Device Configuration File ................................................................................. 87

17.1 Device Non-Volatile Memory ........................................................................................................ 88

17.2 Vendor Web Site............................................................................................................................. 89

17.3 Local Directory ............................................................................................................................... 89

18 Status Code ............................................................................................................................... .......... 91

19 Events............................................................................................................................... ................... 93

20 ICMP............................................................................................................................... .................... 94

PART 3 – GVSP..................................................................................................95

21 GVSP Summary............................................................................................................................... ... 96

21.1 Overview............................................................................................................................... .......... 96

21.2 Goals ............................................................................................................................... ................ 96

21.3 Scope............................................................................................................................................... 96

22 GVSP Transport Protocol Considerations .......................................................................................... 97

22.1 UDP............................................................................................................................... .................. 97

22.1.1 Fragmentation ......................................................................................................................... 97

22.1.2 Packet Size Requirements....................................................................................................... 97

22.1.3 Reliability and Error Recovery ............................................................................................... 97

22.1.4 Flow Control ........................................................................................................................... 98

22.1.5 End-to-End Connection .......................................................................................................... 99

22.1.6 Device error handling during acquisition ............................................................................... 99

23 Data Block ............................................................................................................................... ......... 100

23.1 Image Payload Type ..................................................................................................................... 102

23.2 Raw Data Payload Type................................................................................................................ 103

23.3 File Payload Type ......................................................................................................................... 103

23.4 Chunk Data Payload Type ............................................................................................................ 103

GigE Vision Specification

version 1.0

May 23

, 2006 Page 6 of 197

23.5 Device-specific Payload Type ...................................................................................................... 104

24 Data Packet Headers ......................................................................................................................... 105

24.1 Data Leader............................................................................................................................... .... 105

24.1.1 Payload Type = Image .......................................................................................................... 106

24.1.2 Payload Type = Raw Data .................................................................................................... 108

24.1.3 Payload Type = File .............................................................................................................. 108

24.1.4 Payload Type = Chunk Data ................................................................................................. 109

24.1.5 Payload Type = Device-specific ........................................................................................... 109

24.2 Data Payload ............................................................................................................................... .. 110

24.2.1 Payload Type = Image .......................................................................................................... 110

24.2.2 Payload Type = Raw data ..................................................................................................... 111

24.2.3 Payload Type = File .............................................................................................................. 111

24.2.4 Payload Type = Chunk Data ................................................................................................. 112

24.2.5 Payload Type = Device-specific ........................................................................................... 112

24.3 Data Trailer ............................................................................................................................... .... 113

24.3.1 Payload Type = Image .......................................................................................................... 114

24.3.2 Payload Type = Raw data ..................................................................................................... 114

24.3.3 Payload Type = File .............................................................................................................. 115

24.3.4 Payload Type = Chunk Data ................................................................................................. 115

24.3.5 Payload Type = Device-specific ........................................................................................... 115

24.4 Test packet ............................................................................................................................... ..... 116

25 Pixel Format............................................................................................................................... ....... 117

25.1 Pixel Alignment ............................................................................................................................ 117

25.1.1 Align_Mono8 ........................................................................................................................ 117

25.1.2 Align_Mono8Signed............................................................................................................. 117

25.1.3 Align_Mono10 ...................................................................................................................... 117

25.1.4 Align_Mono10Packed .......................................................................................................... 118

25.1.5 Align_Mono12 ...................................................................................................................... 118

25.1.6 Align_Mono12Packed .......................................................................................................... 118

25.1.7 Align_Mono16 ...................................................................................................................... 119

25.1.8 Align_RGB10Packed_V1..................................................................................................... 119

25.1.9 Align_RGB10Packed_V2..................................................................................................... 119

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