Lpc2000

Great!

Thanks a lot Robert & Varuzhan for sharing these info.
with me. Now I need to try them.

Varuzhan,
Could you also send me a link for this ebook? And if
possible more info. on your work.

Thanks a lot & have a nice evening,
-Mike.

--- Varuzhan Danielyan <dan@...> wrote:
> To the Robert's advice to use a spreadsheet I want
> to add, that Excel can
> be used even on-line, to read and visualize (as a
> scope) the data directly from
> ports, both COM and LPT.  This is described in a
> very nice book of Aubrey Kagan "Excel by Example",
> which is available also
> as e-book on www.edaboard.com site.
> I have used this feature of Excel to make a very
> simple, but very efficient
> multichannel pulse width analyzer, which consists of
> a Keil MCB2100
> evaluation board, direct serial port cable and PC. 
> The Keil board sends
> data through its COM0 port and Excel reads and shows
> the spectrum in
> real time.
> 
> Varuzhan 
> 
>   ----- Original Message ----- 
>   From: Robert Adsett 
>   To: lpc2000@yahoogroups.com 
>   Sent: Monday, April 25, 2005 9:09 PM
>   Subject: Re: [lpc2000] Event log analyzing tool
> 
> 
>   At 10:08 PM 4/24/05 -0700, Michael Anburaj wrote:
>   >Full story:
>   >I have developed a Event log mechanism to trap
> various
>   >events that occur at run-time within the Wireless
> MAC
>   >engine I am working on at present. Each log entry
>   >consists a Event number, system time & (1 to 3
>   >parameters). I have huge buffers for trapping
> events
>   >for a long time & later dump them for analysis
> over
>   >the console port - which can be piped into a
> (ASCII)
>   >file.
> 
>   That makes sense I've done similar things for
> debugging and tuning.
> 
>   >At present I go through these entries without
> help of
>   >any tool near problem areas manually. A simple
> perl
>   >script can make things better \ufffd by calculating
> the
>   >delta between each event. It will be even better
> if I
>   >can find a utility that can Graphically displays
> the
>   >trend for each event & do all the things one can
> do on
>   >a LA or a DSO \ufffd considering each event to a
> different
>   >channel on the LA.
>   >
>   >Sample EventLog (console dump):
>   >Event name Time (us) Param1     Param2    Param3
>   >TX_HW      260040    0x400078   1               0
>   >TX_FREE    260076    0x400298   0               0
>   >RX_INT     260082    3          0               0
>   >ARQ_RE     260123    0x400298   7              
> 23
>   >
>   >
>   >Let me know if such a tool exist.
> 
> 
>   I don't know of a tool that does exactly what you
> want.  In the past 
>   however I've used a couple of off the shelf tools
> to achieve your 
>   ends.  I've heavily used spreadsheets for trend
> analysis, I just dump the 
>   data as a csv file and import it.  Spreadsheet
> usually have acceptable if 
>   not great graphing tools.  It should be fairly
> straightforward to transform 
>   your data into a column per event form.
> 
>   The companion tool would be a database tool that
> allows ad-hoc queries.  I 
>   really like Approach for this.  You can make
> Access do it but it takes more 
>   work.  You can then filter by event,  time, etc..
> and either use the tools 
>   built-in graphing tools or export the data to a
> spreadsheet as needed.
> 
>   The big thing that is missing compared to a DSO is
> the presence of cursors 
>   to make it easier to read data directly off of the
> graph.
> 
>   If you find something else let us know, I wouldn't
> mind adding another tool 
>   like that to my quiver.
> 
>   Robert
> 
>   " 'Freedom' has no meaning of itself.  There are
> always restrictions,   be 
>   they legal, genetic, or physical.  If you don't
> believe me, try to chew a 
>   radio signal. "  -- Kelvin Throop, III
>   http://www.aeolusdevelopment.com/
> 
> 
> 
>
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