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7.3 Internal Device Interface Function
7.3 Internal Device Interface Function
The internal device interface function is used to operate internal devices from a created program.
The following describes the internal device interface function.
The following files are required when using the internal device interface function.
The above files are stored in the CD-ROM (DISC1) of GT Works2/GT Designer2.
When using an application that uses the internal device interface function, store GDevlib_GT16.dll in the
same folder as the application or in a folder with a path specified.
The folder storing the above files is shown below.
Internal device interface function Description Reference
unsigned long GDev_OpenMapping() Opens and maps the shared memory of the GOT internal device. Section 7.3.1
long GDev_Read() Reads from the GOT internal device. Section 7.3.2
long GDev_Write() Writes to the GOT internal device. Section 7.3.3
void GDev_CloseUnMapping() Unmaps and closes the shared memory of the GOT internal device. Section 7.3.4
File name Description
GDevlib_GT16.dll DLL for the internal device interface
GDevlib_GT16.lib LIB for the internal device interface
GDevlib_GT16.h Header file for the internal device interface
CD-ROM drive
GDevlib
Module
GDevlib_GT16.dll
GDevlib_GT16.lib
GDevlib_GT16.h
DLL for internal device interface
LIB for internal device interface
Header file for internal device interface