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Digital Input/Output Function Library 79
MVP-5100
Appendix D Digital Input/Output
Function Library
DI/O provides input/output to support inter-device communica-
tions. Simple programming guides allow easy transmission of digi-
tal signals between the system and attached peripherals.
DI/O with API/Windows
Matrix DI/O API library files and a demo program (incl. source
code) can be downloaded from http://www.adlinktech.com.
To use the DI/O function library for MVP-5100 series, include the
header file awl.h and linkage library awl.lib in the C++ project. DI/O
functions are as follows.
AwlDioGetValue
Reads the digital logic state of a digital input line.
Syntax
C/C++
int __stdcall AwlDioGetValue(int Index)
Parameter(s)
Index
Indexes the digital logic state of MVP-5100 digital input chan-
nels 1 to 8 (bit 0 to 7)
Return codes
0: Operation Success
-1: Operation Failed
AwlDioSetValue
Sets the digital logic state of the digital output line.
AwlDioGetValue
Reads the digital logic state of a digital input line.
Syntax
C/C++
int __stdcall AwlDioGetValue(int Index , int
Value)