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'[PIC] Embedded web server with ENC28J60?'
2005\05\02@074620 by Kerrisnow

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I want to make an embeded webserver with the ENC28J60.
I downloaded the tcpip stack software from the microchip
site, and now I have these questions:

1. First of all, I do not know which C compiler to use, is there
a free one on the microchip site?

2. I downloaded the tcpip software, and I see that there are three files
called

18c452.lkr
18f452.lkr
18f8720.lkr

Does this mean that this software will run on those chips as-is with
no editing, and would these devices interface to the ENC28J60?

3. How do I link my web pages to the device?

4. Do I need to know anything else regarding the software side of
things?

5. Lastly, do you think this software will be available on 18f2455?

tnx

2005\05\02@081047 by Ake Hedman

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kerrisnow@btinternet.com wrote:

>I want to make an embeded webserver with the ENC28J60.
>I downloaded the tcpip stack software from the microchip
>site, and now I have these questions:
>
>1. First of all, I do not know which C compiler to use, is there
>a free one on the microchip site?
>  
>

You can use the MPLAB C18.  <http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1406&dDocName=en010014&part=SW006011>

{Quote hidden}

Yes but you have to write your own mac driver for the ENC28J60 (look at mac.c). Eventually Microchip will supply this I guess....

>3. How do I link my web pages to the device?
>  
>
Use an EEPROM to store them. All docs is in the TCP/IP appnote.

>4. Do I need to know anything else regarding the software side of
>things?
>
>5. Lastly, do you think this software will be available on 18f2455?
>
>tnx
>  
>

It works on all 18F's as long as you have the memory. I have the stack with TCP/IP, http running on a 18F6621 and togehter with tha application it  it use abaout half of the flash (32K).

/Ake

--  ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se      Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org

2005\05\02@082746 by olin_piclist

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kerrisnow@btinternet.com wrote:
> I want to make an embeded webserver with the ENC28J60.
> I downloaded the tcpip stack software from the microchip
> site, and now I have these questions:
>
> 1. First of all, I do not know which C compiler to use, is there
> a free one on the microchip site?

I believe it uses the C18 compiler, doesn't it say so in the source code or
in AN833?

> Does this mean that this software will run on those chips as-is with
> no editing, and would these devices interface to the ENC28J60?

The AN833 TCP/IP stack with the ENC28J60 additions assumes a PIC 18 with the
ENC28J60 connected to via the MSSP using SPI.

> 3. How do I link my web pages to the device?

I haven't done this, but I have read AN833 and seen that it goes into detail
on this.

> 4. Do I need to know anything else regarding the software side of
> things?

RTFM, which in this case is AN833.  Looking thru the header files and some
of the source code is also a good idea.  In particular you will need to
modify STACKTSK.H to suite your configuration.

> 5. Lastly, do you think this software will be available on 18f2455?

I assume it runs on that PIC with little or no modification.


*****************************************************************
Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com

2005\05\02@083601 by olin_piclist

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Ake Hedman wrote:
> Yes but you have to write your own mac driver for the ENC28J60 (look at
> mac.c). Eventually Microchip will supply this I guess....

They have.  I've had it since November and have ported it to the dsPIC.  If
it's not release as an app note yet, talk to your local FAE.


*****************************************************************
Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com

2005\05\02@084511 by Ake Hedman

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Olin Lathrop wrote:

> spam_OUTkerrisnowTakeThisOuTspambtinternet.com wrote:
>
>> I want to make an embeded webserver with the ENC28J60.
>> I downloaded the tcpip stack software from the microchip
>> site, and now I have these questions:
>>
>> 1. First of all, I do not know which C compiler to use, is there
>> a free one on the microchip site?
>
>
> I believe it uses the C18 compiler, doesn't it say so in the source
> code or
> in AN833?
>
Also can use Hitech C.

>The AN833 TCP/IP stack with the ENC28J60 additions assumes a PIC 18 with the
>ENC28J60 connected to via the MSSP using SPI.

Has this been added to the appnote code already?  I was not aware of that.

/Ake

--  ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se      Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org

2005\05\02@094057 by Ake Hedman

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Olin Lathrop wrote:

>  
> They have.  I've had it since November and have ported it to the
> dsPIC.  If
> it's not release as an app note yet, talk to your local FAE.
>
That is good news (I'm not that surprised ;-) ).  I have been promised some chips this week and  hope I can get my hands on the  mac i/f code so I don't have to write it from scratch.

Cheers
/Ake

--  ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se      Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org

2005\05\04@093210 by Paul James E.

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kerrisnow,

I just attended a Microchip seminar yesterday and they spoke of this
very part.   Responses to your questions are listed below by the
respective question. And as an FYI, MPLAB 7.10 now has a simulator
logic analyzer.   It can be accessed from the "VIEW' drop down menu.
Hope this helps you out.  Let me know how you make out.

                                          Regards,

                                            Jim


> I want to make an embeded webserver with the ENC28J60.
> I downloaded the tcpip stack software from the microchip
>site, and now I have these questions:
>
> 1. First of all, I do not know which C compiler to use, is there
> a free one on the microchip site?

 A.  It is intended to be used with PIC C18 compiler from Microchip.
     It will compile with one other compiler that Microchip uses, but
     I don't recall the name right off hand.

     You can download a demo version of the PICC18 compiler from
     Microchip.   This is a fully functional unhampered version.
     But after 30 day trial is up, the optimization turns off, and
     the compiled file size gets extremely huge.  But other than that,
     this is the same compiler you would buy from them.
     I don't have first hand experience with this.   It's just what we
     were told at the seminar.

{Quote hidden}

 A  Yes.   Again according to the people at the seminar.
>
> 3. How do I link my web pages to the device?

 A About linking pages I don't know.   But you can serve pages by
   putting the HTML code for each page in processor memory, or have a
   seperate memory for the pagers and have a routine in the micro to
   access them and transmit them over the network.
>
> 4. Do I need to know anything else regarding the software side of
> things?

 A Possibly.
>
> 5. Lastly, do you think this software will be available on 18f2455?

 A.  Again, I can't say for sure, but the FAE's at the seminar said
     that the stack will run on virtually all of the 18 series parts
     except for the very low end parts.   It will probably even run
     on a 16F877(A).
>
> tnx
>
> --

2005\05\04@100851 by Kerrisnow

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{Quote hidden}

Thanks, I have sorted all of that from all the answers I received here,
but this only reaffairms for me that these points are as I want them.

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