Phil Keller wrote:

> I have decided that I want to learn about networking PIC's ( 18F258 or=20
> 18F458 depending my total IO needs) via a Computer Area Network=20
> (CAN).  I looked at the Microchip site and the app notes, but they are=20
> not meant as introductory material.  A 'GOOGLE' search did not turn up=20
> anything either.
>
> Does anyone know of a tutorial or introduction to CAN?  With a PIC=20
> would be a bonus.  :)
>
>  Thanks,
> Phil
>
>
> _______________________________________________
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>

There is a lot of info on CAN available. The=20
spec.(http://www.can.bosch.com/)  as Olin suggested is a bit dry but=20
always a good source. Som links are

CiA http://www.canopen.org/  You find links here about all higher layer=20
protocols  (HLP) but also a lot of general info.
CAN Primer - http://www.dgtech.com/images/primer.pdf
Embedded Systems Academy http://www.esacademy.com/myacademy/
Cable Length and Pinout info - http://www.cd-systems.com/Can/can-cables.h=
tm
Micochip related: =20
http://techtrain.microchip.com/masters2004/downloads/classlist.htm

BTW:  CAN is Controller Area Network, not for it matters  but it is .. ;-=
)

For the 18F258 you can also check the VSCP teams  project at=20
http://www.vscp.org/vscp/modules/kelvin_sht/index.html which may be to=20
some help as a start.

Also the CANLIST is a very good source=20
http://www.vector-informatik.com/canlist/. You have to be on this list=20
all the experts are there and it is almost as good as the PICLIST. ;-)

You probably also need a CAN adapter to a host machine to start=20
developing (It is possible to work without one but a bit harder).=20
Lawicel http://www.can232.com is a low cst variant for RS-232 and =20
http://www.apoxcontrols.com/usbcan.htm? has a PIC based USB variant that=20
looks very good and also is low cost. There is also a USB type here=20
*http://www.zanthic.com/products.htm and here=20
http://www.ixxat.de/english/index.html*
=20
And remember that you always need at least two nodes on the bus to see=20
any messages.... ;-)

Regards
/Ake

--=20
 ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergav=E4gen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se     =20
Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org


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