MDB
Slave Sample Application.
Introduction:
With this sample application 'CardReader',
the PC is MDB slave and plays the part of a debit card reader. The MDB master e.g. vending
machine controller (VMC) is connected to the USB port of the PC via an USB to MDB
interface. The MDBEngine function calls 'Master...' are used to implement this sample
application. The project was developed with Microsoft Visual Studio 6.0 C++.
Requirements:
The USB to MDB interface. (Part #
BD-4000)
USB connection cable type A/B. (Part #
BD-4001)
MDB slave interface cable. (Part #
BD-4100) (Schematics in PDF)
The MDBEngine DLL.
Operating instructions:
 |
Vend
cycle:
Start the
card reader application.
Check the
LED's for correct data communication.
Make sure
that the MDB master (VMC) enabled the card reader.
Enter some
value for Available Funds.
Click Begin
Session. The MDB master (VMC) should now display the credit.
Make a
selection on the MDB master (VMC).
Click Approve
or Deny to finish the current vend cycle.
Display
test:
Enter some
text, max. 32 characters.
Enter the
display time in units of 0.1 second.
Click
Display, the MDB master (VMC) should display the text.
|
Sample project download:
Download the
complete project C++ source code for Visual Studio 6.0. (850 kBytes)
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update: 19.02.2007