Hi,
 I am using FX2 CY3681 to develop a USB device like
usb-serial adaptor.  I want to use the serial port 0
on CY3681 to send and receive data.
That is:
       Host1  ----------->  EZ-USB FX2  
-------------->  Test system( Solaris)
                   RS232                              
                                 USB

My serial communication firmware worked very well when
downloaded from Windows EZ-USB Control Pannel. But
when the exactly
same firmware downloaded from a Linux system, the
serial can't work.  From what I have captured on CATC,
I believe the same data
were downloaded to the same address on both Windows
and Linux. I have attached the simple Keil demo serial
communication project.
Could you have a look and point me what's wrong with
the firmware or the process? Does EZ-USB Control
Pannel on Windows have a
special downloading way? Or the Keil monitor program
that uses serial port 1 on Windows has some effects?
Anybody has faced such problem?

Thanks a lot. 

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