Re: [oc] HDLC Controller

[est-a-matias@ptinovacao.pt]

Hi,
I came across this core witch is extremely useful for a project I'm 
working in. I would like to know how far it was tested and if there are 
any known bugs or limitations.
Thanks!
Rita

----- Original Message ----- 
From: Nestor Lucas <luc@i... > 
To: cores@o...  
Date: Thu, 31 Jan 2002 10:30:17 +0100 
Subject: [oc] HDLC Controller 

> Hi, 
> I'm about to evaluate the performance of the HDLC core from your 
> Site. By now I have managed to build a connection between 2 
> controllers, and verified that the data was well transfered only in 
> certain cases. The "transparency" of the communication is not 100% 
> ensured, since the value of the data bursts framed affected 
> dramatically the value of RxFrameSize. In many cases, the Rx-module 
> detects 1 Byte more than really sent by the Tx-module (N Bytes). 
> The data obtained in RxDataBuffOut is valid during the first N 
> Bytes, but an additional Byte is received, which is difficult to 
> discard automatically (How could we know this extra-Byte was 
> added?). 
> I would appreciate inputs regarding this topic, besides further 
> hints for this core. 
> Thanks, -- 
> 
======================================================
============== 
> | Nestor Lucas | Fraunhofer IIS-A LOS | | Phone: +49 (0) 9131 776 
> 6362 | Integrated Circuits Design | | Fax : +49 (0) 9131 776 699 | 
> Am Weichselgarten 3 | | E-mail: mailto:luc@i...  | D-91058 
> Erlangen | | Web: http://www.iis.fhg.de/asic | Germany | 
> 
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> 
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