Table of Contents
Advertisement
32
MW-520 Application Developer's Guide
Using Specific Hardware Features
Software Development Tools
Hardware Access API
User Application's Connection Mechanism
Microsoft Visual C++ development kit was used by the MW-520 engineering
team during product development. No special restrictions apply to the software
development tools for its applications.
The Application Program Interface (API) library and include files are located on
your hard disk as follows:
C:\HWDRIVER\HWEVNT.LIB (16-bit)
C:\HWDRIVER\HWEVNT32.LIB (32-bit) HWEVNT32.H
The MW-520 hardware access software contains an application, a DLL and a
V
D driver. Figure 8 describes the hardware access software modules and their
x
interfaces.
HWAPP.INI
User's Application
Emergency
message
MW-520 Application
Figure 8
Hardware Access Software
When the Emergency key is pressed, an interrupt that modifies the MW-520
application is generated. The MW-520 application notifies the user's applications
registered for an emergency event. The registration mechanism is described in the
following section.
HWEVNT.H
is a system parameter text file.
HWAPP.ini
file
Hardware Driver
Emergency
key pressed
DRAFT
Register &
Deregister
Emergency
Advertisement
Table of Contents
