Directio Method - Toshiba TRST-A10 User Manual
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- Maintenance manual (42 pages) ,
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TRST-A10/TRST-A15 POS Printer OPOS Control Application User's Manual
3) DirectIO Method
The DirectIO method is described for each command.
There are two types of commands: those that only operate synchronously and those that operate both synchronously and asynchronously. Regarding the latter
commands, a notification method differs between when they operate synchronously and when they operate asynchronously. This document describes for both
cases.
Commands that operate both synchronously and asynchronously are as follows:
TPTR_CMD_DIRECT_OUTPUT
TPTR_CMD_SET_PTRREQUEST
TPTR_CMD_FILE_OUTPUT
TPTR_CMD_PRINTBITMAP
When the commands operate synchronously:
The table below describes the synchronous operations for the both types of commands.
Each method notifies a result using a return value, Result Code property, and ResultCodeExtended property.
Command
TPTR_CMD_DIRECT_
OPOS_SUCCESS
OUTPUT
OPOS_E_CLOSED
OPOS_E_NOTCLAIMED
OPOS_E_DISABLED
Value
ResultCodeExtended
ResultCode
0
0
0
0
Meaning
Completed successfully
The device is closed.
Does not have exclusive access to the
device.
The device is disabled.
TOSHIBA TEC CORPORATION EAA-02450
Error Handling
–
Open the device using the Open
method.
Obtain the exclusive access using
the Claim (ClaimDevice) method.
Set the DeviceEnabled property to
TRUE to enable the device.
72
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