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5.3 Details of Function

Title Function

iobox_chk

This function monitors the connection and mounting status of PA-2400W terminal on I/O Box for a

specified period of time and returns a result of it. When the power of I/O Box is turned off, the status is considered

as improper connection of PA-2400W with I/O Box.

It returns also an error if other program uses this function at the same time. If the power switch of I/O Box

is turned off during wait specified period, the monitoring can be continued from the state before the power is off.

C Language Interface

Calling Sequence

int iobox_chk ( DWORD time_out );

Parameters

DWORD time_out : Maximum time to monitor the session (0 to 4,294,967,295 msec.)

INFINITE = No timeout

(4,294,967,295 msec. equals to INFINITE.)

Return Values

0 : Session establishment detected

1 : Timeout

-1 : Used exclusively by other program

Others : Fail to call the function.

Header

#include <IoBox1. H>

Remarks

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Casio PA-2400W Manuale Pagina 36