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CAN and 18f258

 
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troky2001
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CAN and 18f258
PostPosted: Wed Aug 10, 2005 2:45 pm     Reply with quote

Hi all,

I am trying to make CAN message sniffer based on 18f258 and max13050 can interface.
I am using example code from PICC 3.227 adjusted to work at 40MHz but still can't see any messages.

My baud settings are (500kbps):
BRGCON1=0x03;
BRGCON2=0x98;
BRGCON3=0x03;

Are these values ok? Should I change anything else in source expect #delay...?

Thanks,
Troky
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Aug 10, 2005 3:39 pm     Reply with quote

Quote:
Are these values ok?

Read this thread for information on how to choose and configure
CAN bus bit timing parameters:
http://www.ccsinfo.com/forum/viewtopic.php?t=22138

Quote:
but still can't see any messages.

The CCS drivers are setup to accept Extended IDs.
Does the system that you're monitoring use Extended IDs or Standard IDs ?
See this thread:
http://www.ccsinfo.com/forum/viewtopic.php?t=20387&highlight=extended+standard
troky2001
Guest







PostPosted: Thu Aug 11, 2005 3:28 pm     Reply with quote

Thanks for tips. I'll try tomorrow and post results.
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