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Entry  Sun Jan 31 23:52:15 2010, Hao Huan, Failure In Flashing Xilinx PROM 
    Reply  Mon Feb 1 08:30:42 2010, Stefan Ritt, Failure In Flashing Xilinx PROM DRS.cppDRS.hdrs4_eval1.mcs
Message ID: 32     Entry time: Mon Feb 1 08:30:42 2010     In reply to: 31
Author: Stefan Ritt 
Subject: Failure In Flashing Xilinx PROM 

Hao Huan wrote:

Hi Stefan,

    I have an old-version DRS4 evaluation board which doesn't have the latest firmware. I tried to flash the drs_eval1.ipf boundary scan chain into the XCF02S PROM with Xilinx IMPACT, and the firmware seemed to go through into the PROM. However, when I started the DRS command line interface to test the firmware it kept on reporting errors like

musb_write: requested 10, wrote -116, errno 0 (No error)

musb_read error -116

musb_write: requested 10, wrote -22, error 0 (No error)

musb_read error -116

and so on. Finally the program made a dumb recognition of the board as

Found mezz. board 0 on USB, serial #0, firmware revision 0

Do you have any idea which caused this problem? Thanks!

A firmware update requires a power cycle of the evaluation board. Have you tried that? I attached for you reference the current drs_eval1.mcs file, which is meant to go into the XCF02S PROM. There were recent changes also in the DRS library, and I'm not sure if yous if recent enough. So I put also the current C files which go with the firmware. They contain also some improvements which should reduce the intrinsic noise of the board.  

Attachment 1: DRS.cpp  205 kB  | Show | Hide all | Show all
Attachment 2: DRS.h  35 kB  | Show | Hide all | Show all
Attachment 3: drs4_eval1.mcs  583 kB  | Hide | Hide all | Show all 
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