Echelon OpenLDV User Manual Page 6
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LdvCombineFlags Enumeration ........................................................... 39
LdvDeviceCaps Enumeration ............................................................... 40
Structures and Enumerations for the Driver API ..................................... 42
LDVDriverInfo Structure ...................................................................... 42
LdvDriverID Enumeration ................................................................... 43
LdvDriverType Enumeration ............................................................... 44
Windows Messages for Session Notifications ............................................. 44
OpenLDV API Return Codes ....................................................................... 45
Example: A Simple OpenLDV Application ................................................ 52
Chapter 3. Sending/Receiving Messages with the OpenLDV API ....... 57
Constructing Messages ................................................................................ 58
Application Buffer Structure ....................................................................... 58
Layer 2 Buffer Structure ....................................................................... 61
Application Layer Header .............................................................. 61
Layer 2 Header ................................................................................ 61
NPDU ............................................................................................... 61
CRC .................................................................................................. 62
Layer 5 Buffer Structure ....................................................................... 62
Application Layer Header .............................................................. 62
Message Header .............................................................................. 62
Network Address ............................................................................. 67
Message Data .................................................................................. 73
Sending Messages to the Network Interface ....................................... 75
Receiving Messages from the Network Interface ................................ 75
Using the Network Interface Command Interface .................................... 76
Downlink Commands ............................................................................ 76
Uplink Commands ................................................................................. 77
Immediate Commands .......................................................................... 77
Network Interface Commands .............................................................. 77
Chapter 4. The OpenLDV Developer Example ........................................ 89
Overview ....................................................................................................... 90
Common Definitions .................................................................................... 90
COpenLDVapi and COpenLDVtrace .......................................................... 90
COpenLDVni, Message Pumps, and Message Dispatchers ...................... 90
Toolkits and User Interface ......................................................................... 91
Developer Example Diagram ...................................................................... 92
Chapter 5. Using the xDriver Default Profile .......................................... 93
Configuring an xDriver Profile.................................................................... 94
LNS Applications for xDriver ...................................................................... 98
Chapter 6. Extending xDriver ...................................................................... 99
Extending xDriver ...................................................................................... 100
xDriver Sessions ......................................................................................... 100
Downlink Sessions ............................................................................... 100
Uplink Sessions ................................................................................... 104
Session Control Object ........................................................................ 108
Authentication Key Handling ................................................................... 111
Setting the Current Authentication Key ........................................... 111
Changing the Current Authentication Key ....................................... 112
Creating a Custom Lookup Extension in C++ ......................................... 113
Create a New Visual Studio Project ................................................... 114
Add a COM Object ............................................................................... 116
- 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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