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OpenLDV Programmer’s Guide v
Table of Contents
Welcome ......................................................................................................... iii
Audience ........................................................................................................ iii
Examples ....................................................................................................... iv
Related Documentation ................................................................................ iv
Chapter 1. Introduction ................................................................................... 1
Introduction to OpenLDV Networking ......................................................... 2
Client Applications .................................................................................. 3
OpenLDV Driver ...................................................................................... 3
Network Interfaces .................................................................................. 4
Installing the OpenLDV Software ................................................................ 5
Hardware and Software Requirements.................................................. 5
Downloading the OpenLDV Software .................................................... 5
Installing the OpenLDV Driver .............................................................. 6
Installing the OpenLDV SDK ................................................................. 6
Getting Started with the OpenLDV Driver .................................................. 7
Getting Started with the xDriver Component ............................................. 8
Chapter 2. Using the OpenLDV API ............................................................. 9
Introduction to OpenLDV Programming .................................................... 10
OpenLDV Application Architecture ............................................................ 11
Application Layer .................................................................................. 12
Presentation Layer ................................................................................ 13
Overview of the OpenLDV API ................................................................... 13
Referencing the OpenLDV Component ................................................ 14
Using Multiple Threads or Multiple Processes ................................... 14
The OpenLDV API ....................................................................................... 15
Working with Devices and Drivers ....................................................... 16
Using the OpenLDV API ....................................................................... 17
ldv_close() ............................................................................................... 18
ldv_free_device_info() ............................................................................ 18
ldv_free_driver_info() ............................................................................ 19
ldv_free_matching_devices() ................................................................. 20
ldv_get_device_info() ............................................................................. 20
ldv_get_driver_info() .............................................................................. 21
ldv_get_matching_devices() .................................................................. 22
ldv_get_version ...................................................................................... 22
ldv_locate_sicb() ..................................................................................... 23
ldv_open() ............................................................................................... 24
ldv_open_cap()........................................................................................ 25
ldv_read() ............................................................................................... 27
ldv_register_event() ............................................................................... 29
ldv_set_device_info() .............................................................................. 30
ldv_set_driver_info() .............................................................................. 31
ldv_write() .............................................................................................. 32
ldv_xlate_device_name() ....................................................................... 33
ldvx_open() ............................................................................................. 34
ldvx_register_window() ......................................................................... 36
ldvx_shutdown() ..................................................................................... 37
Structures and Enumerations for the Device API ..................................... 37
LDVDeviceInfo Structure ..................................................................... 37
LDVDevices Structure........................................................................... 38
- OpenLDV 1
- Programmer’s Guide 1
- Welcome 3
- Audience 3
- Examples 4
- Related Documentation 4
- Table of Contents 5
- Introduction 9
- ONWORKS network: 10
- OpenLDV Driver 11
- Client Applications 11
- Network Interfaces 12
- Installing the OpenLDV SDK 14
- Using the OpenLDV API 17
- ONWORKS network 18
- Application Layer 20
- Presentation Layer 21
- Overview of the OpenLDV API 21
- The OpenLDV API 23
- ONWORKS interface device 24
- ONWORKS name (such as 24
- LDVDevices Structure 46
- LdvCombineFlags Enumeration 47
- LdvDeviceCaps Enumeration 48
- LDVDriverInfo Structure 50
- LdvDriverID Enumeration 51
- LdvDriverType Enumeration 52
- OpenLDV API Return Codes 53
- ONWORKS Interfaces 57
- msgSize); 62
- Constructing Messages 66
- Application Buffer Structure 66
- Layer 2 Buffer Structure 69
- Application Layer Header 69
- Layer 2 Header 69
- Layer 5 Buffer Structure 70
- Message Header 70
- ExpMsgHdr 71
- NetVarHdr 73
- ONWORKS transceivers 74
- Network Address 75
- RcvAddrDtl 78
- RespAddrDtl 80
- Message Data 81
- UnprocessedNV 82
- ExplicitMsg 82
- Downlink Commands 84
- Uplink Commands 85
- Immediate Commands 85
- Network Interface Commands 85
- Common Definitions 98
- Dispatchers 98
- Toolkits and User Interface 99
- Developer Example Diagram 100
- ONWORKS 101
- LNS Applications for xDriver 106
- Extending xDriver 107
- Downlink Sessions 108
- 102 Extending xDriver 110
- Typical Downlink Scenario 111
- Uplink Sessions 112
- ONWORKS network, in a 114
- Typical Uplink Scenario 115
- Session Control Object 116
- Authentication Key Handling 119
- ONWORKS \xDriver\Components 123
- Add a COM Object 124
- Test the Lookup Extension 132
- Optional Steps 132
- Add a COM Class 135
- LNS Programming with xDriver 145
- ONWORKS networks 147
- ONWORKS networks by 148
- Uplink Sample Application 150
- Custom Network Interfaces 155
- Overview 156
- Windows Registry Entries 158
- LNS Methods and Events for 161
- AcceptIncomingSession 162
- Remarks 162
- BeginIncomingSessionEvents 163
- EndIncomingSessionEvents 163
- NetworkInterfaces.Item( ) 164
- Syntax 164
- OnIncomingSessionEvent 165
- ReleasePendingUpdates 166
- Custom Lookup Extension 169
- Component Programming 169
- ILdvxConfigure Interface 170
- SetInstance Method 170
- Returns 171
- SetOptions Method 171
- ILdvxLookup Interface 172
- DownlinkLookup Method 172
- UpdateLookup Method 173
- UplinkLookup Method 173
- ILdvxSCO Interface 174
- GetDownlinkKey Method 177
- GetUplinkKey Method 180
- SetAuthenticationFlag Method 181
- SetDownlinkKey Method 183
- SetEncryptionType Method 183
- SetLNSNetworkName Method 184
- SetUplinkKey Method 186
- ILdvxSCO_TCP Interface 186
- GetRemoteTCPAddress Method 187
- GetRemoteTCPPort Method 187
- SetRemoteTCPAddress Method 188
- SetRemoteTCPPort Method 188
- ILdvxSCO2 Interface 189
- GetNeuronID Method 189
- 184 Index 192
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