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OpenLDV Programmer’s Guide 23

Remarks

This function returns a string for the version number of the OpenLDV driver

being used:

• OpenLDV 1.0 5.308.09

• OpenLDV/LNS 5.320.122

• OpenLDV 2.0 5.321.034

• OpenLDV 2.1 5.322.002

• OpenLDV 3.3 5.330.036

• OpenLDV 3.4 5.340.016

• OpenLDV 4.0 5.400.102

ldv_locate_sicb()

Call this function to locate the serial interface control block (SICB) portion of the

data within an LdvEx (or SICB) formatted message, if present.

Syntax

LDVCode ldv_locate_sicb(

PVOID pData,

WORD nDataLen,

WORD* pnSicbOff,

WORD* pnSicbLen

)

Table 11. ldv_locate_sicb() Parameters

Parameter Direction Description

pData Input A pointer to a buffer containing an LdvEx (or SICB)

message.

nDataLen Input The length of the buffer containing the LdvEx (or SICB)

message.

pnSicbOff Output A pointer to a variable to receive the offset (in bytes) of the

start of the SICB portion of the specified message.

pnSicbLen Output A pointer to a variable to receive the length (in bytes) of the

SICB portion of the specified message.

Remarks

Use this function to locate the SICB portion of the data within an LdvEx (or

SICB) formatted message, if present. Data processed by most OpenLDV

functions use the SICB format; data processed by the ldv_open_cap() function

can request to use the extended LdvEx format (which includes the SICB data,

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Echelon OpenLDV User Manual Page 31