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Join our technical discussions about Freescale Microcontrollers: M68HC12. (Freescale Semiconductor is a Subsidiary of Motorola).

mscan - Author Unknown - May 21 0:24:00 2003

Hi Gary
The protocol I am implementing (www.milcan.org) requres that "re-transmsion
on error is turned off", so as to maintain time-determined messaging (if an
error occurs then the message cannot be re-tried else the time scheduling
will be messed up)

Controllers such as the intel 257 have a flag for transmision error, just
wondered why i couldnt see one on mscan, and if there isnt one, is it
possibel to derrive the errro form those flages present....

comments gratefully recieved

Tony [Non-text portions of this message have been removed]



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Re: mscan - Gary Olmstead - May 24 18:59:00 2003

At 01:24 AM 5/21/03 -0400, you wrote:
>Hi Gary
>The protocol I am implementing (www.milcan.org) requres that "re-transmsion
>on error is turned off", so as to maintain time-determined messaging (if an
>error occurs then the message cannot be re-tried else the time scheduling
>will be messed up)
>
Well, I see what you are saying, but I can't find it in msCAN either.

There is a transmission error flag in msCAN, but I don't think it does what
you want. I did find it in Motorola's msCAN reference document. If you
don't have it, I can send it to you off-line, but it is over 800K, so I
won't attach it here.

Gary Olmstead
Toucan Technology
Ventura CA



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