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Re: AVR Ethernet...

Re: AVR Ethernet...

2006-01-21 by bzijlstra

Hi

There are some other links where you can find ethernet boards with AVR.

www.drftech.com (with Atmega32)
http://members.home.nl/bzijlstra
and check again
www.achatz.nl for the WebTiger. A Ethernet add-on for the STK500. Ethernut 
1.3F compatible. (with Atmega128)

And also check UIP from Adam Dunkels.

Have fun
Ben Zijlstra
Show quoted textHide quoted text
> Message: 7
>   Date: Sat, 21 Jan 2006 14:23:35 -0600
>   From: "Chuck Hackett" <egroupscdh@up844.us>
> Subject: RE: Searching for an AVR Ethernet board
>
>> From: David Kelly
>>
>> On Jan 21, 2006, at 11:34 AM, Chuck Hackett wrote:
>>
>> > Some boards I've come across:
>> > http://tinyurl.com/74b6f
>> > http://www.achatz.nl/
>>
>> http://www.edtp.com/
>
> Ah yes, forgot to list EDTP.  Problem is that, as far as I know, their AVR
> boards are based on the ATMega16 and have limited data space for the 
> buffers I
> think I'll need and I don't think there is a port of EtherNut (which is 
> the
> stack I'm leaning towards at the moment) for it.
>
> Cheers,
>
> Chuck Hackett
> "Good judgment comes from experience, experience comes from bad judgment"
> 7.5" gauge Union Pacific Northern (4-8-4) 844
> http://www.whitetrout.net/Chuck
>
>
>
>
>
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RE: [AVR-Chat] Re: AVR Ethernet...

2006-01-21 by Chuck Hackett

> From: bzijlstra
> 
> Hi
> 
> There are some other links where you can find ethernet boards with AVR.
> 
> www.drftech.com (with Atmega32)
> http://members.home.nl/bzijlstra
> and check again
> www.achatz.nl for the WebTiger. A Ethernet add-on for the STK500. Ethernut
> 1.3F compatible. (with Atmega128)
> 
> And also check UIP from Adam Dunkels.
> 
> Have fun
> Ben Zijlstra

Ahhh!  You're THAT Ben.  I've been to your page several times (recommended by
others).

In the past I just touched the surface of your web page.  I've now been taking a
deeper look and have found lots of information useful to me as a beginner in
this area.

I notice that you use Visual Basic on the PC for some test clients.  Does this
take a specific version of VB or can the inexpensive versions be used also (VB
Express 2005)?

Thanks for the info above, and your web site.  I'm off to study - I hate
learning curves that seem like step functions :-)

Cheers,

Chuck Hackett
"Good judgment comes from experience, experience comes from bad judgment"
7.5" gauge Union Pacific Northern (4-8-4) 844
http://www.whitetrout.net/Chuck

Re: [AVR-Chat] Re: AVR Ethernet...

2006-01-22 by dlc

Has no one mentioned the one and only Fred Eady and his stuff?  Check 
out the "Air Drop" wireless using the ATMega, most cool.

http://www.edtp.com/

DLC

Chuck Hackett wrote:
>>From: bzijlstra
>>
>>Hi
>>
>>There are some other links where you can find ethernet boards with AVR.
>>
>>www.drftech.com (with Atmega32)
>>http://members.home.nl/bzijlstra
>>and check again
>>www.achatz.nl for the WebTiger. A Ethernet add-on for the STK500. Ethernut
>>1.3F compatible. (with Atmega128)
>>
>>And also check UIP from Adam Dunkels.
>>
>>Have fun
>>Ben Zijlstra
> 
> 
> Ahhh!  You're THAT Ben.  I've been to your page several times (recommended by
> others).
> 
> In the past I just touched the surface of your web page.  I've now been taking a
> deeper look and have found lots of information useful to me as a beginner in
> this area.
> 
> I notice that you use Visual Basic on the PC for some test clients.  Does this
> take a specific version of VB or can the inexpensive versions be used also (VB
> Express 2005)?
> 
> Thanks for the info above, and your web site.  I'm off to study - I hate
> learning curves that seem like step functions :-)
> 
> Cheers,
> 
> Chuck Hackett
> "Good judgment comes from experience, experience comes from bad judgment"
> 7.5" gauge Union Pacific Northern (4-8-4) 844
> http://www.whitetrout.net/Chuck
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 

-- 
-------------------------------------------------
Dennis Clark          TTT Enterprises
www.techtoystoday.com
-------------------------------------------------

Re: [AVR-Chat] Re: AVR Ethernet...

2006-01-23 by Geert De Pecker

Hi,

Just a general question about the use of ethernet with the AVR: there
have been quite a number of hardware possibilities mentioned, but how
hard is it concerning software? Does one need a lot of programming to
do before being able to get tcp communication going?

Thanks,

Geert

dlc wrote:
Show quoted textHide quoted text
> Has no one mentioned the one and only Fred Eady and his stuff?  Check
> out the "Air Drop" wireless using the ATMega, most cool.
> 
> http://www.edtp.com/
> 
> DLC
> 
> Chuck Hackett wrote:
>>>From: bzijlstra
>>>
>>>Hi
>>>
>>>There are some other links where you can find ethernet boards with AVR.
>>>
>>>www.drftech.com (with Atmega32)
>>>http://members.home.nl/bzijlstra
>>>and check again
>>>www.achatz.nl for the WebTiger. A Ethernet add-on for the STK500. Ethernut
>>>1.3F compatible. (with Atmega128)
>>>
>>>And also check UIP from Adam Dunkels.
>>>
>>>Have fun
>>>Ben Zijlstra
>>
>>
>> Ahhh!  You're THAT Ben.  I've been to your page several times
> (recommended by
>> others).
>>
>> In the past I just touched the surface of your web page.  I've now
> been taking a
>> deeper look and have found lots of information useful to me as a
> beginner in
>> this area.
>>
>> I notice that you use Visual Basic on the PC for some test clients. 
> Does this
>> take a specific version of VB or can the inexpensive versions be used
> also (VB
>> Express 2005)?
>>
>> Thanks for the info above, and your web site.  I'm off to study - I hate
>> learning curves that seem like step functions :-)
>>
>> Cheers,
>>
>> Chuck Hackett
>> "Good judgment comes from experience, experience comes from bad judgment"
>> 7.5" gauge Union Pacific Northern (4-8-4) 844
>> http://www.whitetrout.net/Chuck
>>
>>
>>
>>
>>
>> 
>> Yahoo! Groups Links
>>
>>
>>
>> 
>>
>>
> 
> -- 
> -------------------------------------------------
> Dennis Clark          TTT Enterprises
> www.techtoystoday.com
> -------------------------------------------------
> 
> 
> SPONSORED LINKS
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> 	Microcontrollers
> <http://groups.yahoo.com/gads?t=ms&k=Microcontrollers&w1=Atmel+avr&w2=Microcontrollers&w3=Intel+microprocessors&w4=Pic+microcontrollers&c=4&s=90&.sig=b26gH7zUN4MtXbR94lbbng>
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Re: [AVR-Chat] Re: AVR Ethernet...

2006-01-24 by David Kelly

On Mon, Jan 23, 2006 at 08:05:17PM +0100, Geert De Pecker wrote:
> Hi,
> 
> Just a general question about the use of ethernet with the AVR: there
> have been quite a number of hardware possibilities mentioned, but how
> hard is it concerning software? Does one need a lot of programming to
> do before being able to get tcp communication going?

If you think printf() belongs in embedded code then get a CPU capable of
hosting embedded Linux or Windows CE if you must network.

Otherwise the answer is, "It can be done, but isn't trivial."

-- 
David Kelly N4HHE, dkelly@HiWAAY.net
========================================================================
Whom computers would destroy, they must first drive mad.

RE: [AVR-Chat] Re: AVR Ethernet...

2006-01-24 by Chuck Hackett

> From: Geert De Pecker
> 
> Hi,
> 
> Just a general question about the use of ethernet with the AVR: there
> have been quite a number of hardware possibilities mentioned, but how
> hard is it concerning software? Does one need a lot of programming to
> do before being able to get tcp communication going?

Hi Geert,

I think David's comment:

<Otherwise the answer is, "It can be done, but isn't trivial.">

I am a retired software developer on mid-sized systems in the area of financial
data networks and I am familiar with the basics of TCP/IP but I have (as yet)
limited experience on microcontrollers.  I have made one attempt at getting
Internet connectivity for my project but I have discovered that the hardware
environment of my first attempt was too limiting (code and data space) and my
(current) knowledge of AVRs, GCC, etc. was preventing me from making headway. 

Note: I attribute most of my lack of headway to my current skill level with AVRs
and GCC, etc.  The hardware limiting I mentioned is mostly in the area of being
able to handle larger buffers, message sizes, etc.

This, along with the fact that I don't have loads of time to devote to study of
the protocol stack, is why I have decided to go with the EtherNut Board 2 (has
an RS-485 port which is a plus) which comes preloaded with working IP, TCP, UDP,
etc. (as well as a small multithreaded OS).  It includes open source for the
loaded software and a user forum that supports it.  This way I only have to
modify the code to suit my current needs and I can become more familiar with the
protocol stack details later.

Just one person's (microcontroller beginner's) experience ...

I hope to receive the hardware late this week and have something useful in a
week after that (I wish I had time to play with it full time, but alas ...)

I thank all list members who provided advice in my search including the
recommendation of UiP (which I think is good also) which I may use at a later
date on the smaller hardware I have at a later date.

Cheers,

Chuck Hackett
"Good judgment comes from experience, experience comes from bad judgment"
7.5" gauge Union Pacific Northern (4-8-4) 844
http://www.whitetrout.net/Chuck

Re: [AVR-Chat] Re: AVR Ethernet...

2006-01-24 by Jesper Hansen

The Ethernut board includes a full open source TCP/IP protocol stack 
(and operating system). See www.ethernut.de
Also, examples for the most popular higher level internet protocols 
(HTTP, FTP, NTP, PPP) are included.

/Jesper

Geert De Pecker wrote:
Show quoted textHide quoted text
> Hi,
> 
> Just a general question about the use of ethernet with the AVR: there
> have been quite a number of hardware possibilities mentioned, but how
> hard is it concerning software? Does one need a lot of programming to
> do before being able to get tcp communication going?
> 
> Thanks,
> 
> Geert
> 
> dlc wrote:
> 
>>Has no one mentioned the one and only Fred Eady and his stuff?  Check
>>out the "Air Drop" wireless using the ATMega, most cool.
>>
>>http://www.edtp.com/
>>
>>DLC
>>
>>Chuck Hackett wrote:
>>
>>>>From: bzijlstra
>>>>
>>>>Hi
>>>>
>>>>There are some other links where you can find ethernet boards with AVR.
>>>>
>>>>www.drftech.com (with Atmega32)
>>>>http://members.home.nl/bzijlstra
>>>>and check again
>>>>www.achatz.nl for the WebTiger. A Ethernet add-on for the STK500. Ethernut
>>>>1.3F compatible. (with Atmega128)
>>>>
>>>>And also check UIP from Adam Dunkels.
>>>>
>>>>Have fun
>>>>Ben Zijlstra
>>>
>>>
>>>Ahhh!  You're THAT Ben.  I've been to your page several times
>>
>>(recommended by
>>
>>>others).
>>>
>>>In the past I just touched the surface of your web page.  I've now
>>
>>been taking a
>>
>>>deeper look and have found lots of information useful to me as a
>>
>>beginner in
>>
>>>this area.
>>>
>>>I notice that you use Visual Basic on the PC for some test clients. 
>>
>>Does this
>>
>>>take a specific version of VB or can the inexpensive versions be used
>>
>>also (VB
>>
>>>Express 2005)?
>>>
>>>Thanks for the info above, and your web site.  I'm off to study - I hate
>>>learning curves that seem like step functions :-)
>>>
>>>Cheers,
>>>
>>>Chuck Hackett
>>>"Good judgment comes from experience, experience comes from bad judgment"
>>>7.5" gauge Union Pacific Northern (4-8-4) 844
>>>http://www.whitetrout.net/Chuck
>>>
>>>
>>>
>>>
>>>
>>>
>>>Yahoo! Groups Links
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>-- 
>>-------------------------------------------------
>>Dennis Clark          TTT Enterprises
>>www.techtoystoday.com
>>-------------------------------------------------
>>
>>
>>SPONSORED LINKS
>>Atmel avr
>><http://groups.yahoo.com/gads?t=ms&k=Atmel+avr&w1=Atmel+avr&w2=Microcontrollers&w3=Intel+microprocessors&w4=Pic+microcontrollers&c=4&s=90&.sig=a_VWnyFlgM4nNSKwYg7V3Q>
>>	Microcontrollers
>><http://groups.yahoo.com/gads?t=ms&k=Microcontrollers&w1=Atmel+avr&w2=Microcontrollers&w3=Intel+microprocessors&w4=Pic+microcontrollers&c=4&s=90&.sig=b26gH7zUN4MtXbR94lbbng>
>>	Intel microprocessors
>><http://groups.yahoo.com/gads?t=ms&k=Intel+microprocessors&w1=Atmel+avr&w2=Microcontrollers&w3=Intel+microprocessors&w4=Pic+microcontrollers&c=4&s=90&.sig=lPUnRqJx7nqw1wyiyGpciw>
>>
>>Pic microcontrollers
>><http://groups.yahoo.com/gads?t=ms&k=Pic+microcontrollers&w1=Atmel+avr&w2=Microcontrollers&w3=Intel+microprocessors&w4=Pic+microcontrollers&c=4&s=90&.sig=FQZsK0YJzN30czaApcXA-A>
>>
>>
>>
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