Advantech PCL-848A/B Manuel d'utilisateur télécharger pdf (Page 45)

CHAPTER 3 PROGRAMMING REFERENCE

3.4.21. ERRPTR

Purpose :

This command assigned variables for error number and count of string bytes.

Offset:

ERRPTR%=60

Syntax :

CALL ERRPTR%(IOERR%,IOCOUNT%) ----BASIC

CALL ABSOLUTE(IOERR%,IOCOUNT%,ERRPTR%) ----BASIC Compiler

Parameter :

IOERR% - Variable which represents the error number of last called

command.

IOCOUNT% - Variable which represents the count of string bytes that are

outputed or entered.

Bus Activity :

None.

Remark:

This command must be executed before calling any other t~command except the

“INIT” command.

ERROR NUMBER ERROR TYPE

0 No error

1 Handshake timeout

2 Interface error

3 Call ABORT when non-system controller

4 Invalid passed parameter(s)

See the STATUS command (condition 8) for other information.

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Advantech PCL-848A/B Manuel d'utilisateur Page 45