Z-World PK2300, User Manual, Page: 65 / 139

PK2300 Software Reference s 65
Digital Inputs/Outputs
The following digital I/O functions are located in the
EZIOPK23.LIB
library.
• int eioBrdDI( unsigned chanNum )
Reads the state of an input channel.
PARAMETER:
chanNum
must be a number ranging from 0 (for
IN-01) through 15 (for IN-16).
RETURN VALUE:
• 0 if and only if the input channel reads low.
• 1 if and only if the input channel reads high.
• Sets the flag
EIO_NODEV
in
eioErrorCode
and returns -1 if and
only if the channel does not exist (i.e., if
chanNum
is greater than
15).
Table 5-1 lists the software input channel assignments.
Table 5-1. Software Input
Channel Assignments
Input Channel Assignment
IN-01 0
IN-02 1
IN-03 2
IN-04 3
IN-05 4
IN-06 5
IN-07 6
IN-08 7
IN-09 8
IN-10 9
IN-11 10
IN-12 11
IN-13 12
IN-14 13
IN-15 14
IN-16 15