Epson TM-T70 Instruction Manual download pdf (Page 42)

3-4 Application Development Information Rev. A

❏ The EPSON OPOS ADK reduces the man-hours for application development, since it

handles the following functions that application developers up till now have had to

consider. The functions are supported by EPSON-original Direct IO with parameters,

power-on notification, offline buffer clear processing, and so on.

Note:

For details on the API functions, refer to the “Application Programmers Guide Specification” provided by

the OLE POS Technology Association.

3.1.2.1 EPSON OPOS ADK (OPOS Control) overview

OPOS Control included with the EPSON OPOS ADK has the following features:

❏ Supplies the CO for each device class and SO for EPSON devices.

❏ Direct IO with parameters available:

• Gets the printer maintenance counter value

• Prints NVRAM-stored bit images, etc.

❏ Power-on notification function (at power on, this function automatically restores the printer

to the state that was active before power off).

❏ Offline buffer clear processing (clears the print buffer contents in offline mode).

❏ Debugging function (trace function):

• Obtains a log between the application and CO (target: used API and its return value)

• Device status acquisition log (gets the offline and error causes that actually occurred in

the devices)

3.1.2.2 EPSON OPOS ADK contents

The installer of the EPSON OPOS ADK, Ver. 2.10 or later, has a silent installation function,

which can install the OPOS environment without a user interface and facilitate installation. With

the installer, the following OPOS-compliant OPOS Control for EPSON devices, manuals,

various utilities, and sample programs can be installed.

❏ OPOS Control for EPSON devices

Header files for CO, SO, C++, header files for VB, TLB file of CO, device information files, etc.,

can be installed.

❏ Manuals

• User's guide (environment construction manual: installation/uninstallation, usage

methods for various utilities)

• Application Development Guide (manual for OPOS-compliant application developer:

common manual, manual for each device)

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Epson TM-T70 Instruction Manual Page 42