Advantech PCLS-848-P, User Manual

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4 6 PCLS-848-P User's Manual
3.4.19. iestatus
NAME:
iestatus — Returns the status of the interface card.
SYNTAX:
s:=iestatus(cond); — Microsoft Pascal.
iestatus(cond,s); — Turbo Pascal.
cond:integer; Number specifies which status is read.
0 - 7: NEC7210 read register 0 - 7.
8 : Error Number of last called command.
9 : Count of string bytes that are output or entered.
10 : Timeout interval in milliseconds.
11 : I/O port address of NEC7210.
12 : DMA & IRQ setting.
RETURN VALUE:
s: integer; An integer represents interface status.
DESCRIPTION:
This procedure reads the status from the interface and returns it to the calling
statement.
BUS ACTIVITY:
None.
CAUTION:
The error number returned with condition 8 represents different types of errors.