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 manual Dword, Infinite = No timeout, 294,967,295 msec. equals to Infinite, Fail to call the function