Datalogic QuickScan i QD2100 Guia do Utilizador descarregar pdf (Página 25)

Developers Guide

Quick Reference Guide 21

OPOS_E_OFFLINE

OPOS_E_ILLEGAL

ReleaseDevice:

Returns OPOS_SUCCESS, OPOS_E_ILLEGAL, or OPOS_E_NOTCLAIMED.

This call will deactivate the communication with the device.

ResetStatistics:

Returns

OPOS_E_ILLEGAL

DATALOGIC

service objects do not support reset statistics.

RetrieveStatistics:

Returns

OPOS_SUCCESS

OPOS_E_NOHARDWARE

OPOS_E_DISABLED

OPOS_E_NOTCLAIMED

OPOS_E_ILLEGAL

Results of the RetrieveStatistics call are written to the OPOS Log and returned

as per the OPOS spec.

Supported statistics are:

• Device category

• Manufacturer

• Model number

• Serial Number

• Firmware revision

• Interface type

• Power on time

• Number of label scans

UpdateStatistics:

Returns OPOS_E_ILLEGAL

DATALOGIC OPOS

Scanner service object does not support update statistics.

Device Specific Methods:

None.

Please refer to Appendix A for supported DirectIO functions.

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