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can bus

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barikjk

Joined: 08 Dec 2012
Posts: 5

can bus
Posted: Tue Apr 23, 2013 4:06 am

Hello friends I am using pic18F452 with MCP2515 & MCP2551 . CCS compiler have drivers - > can-mcp2510.c & can-mcp251x.c. which one will be suitable for my project? thanks all

PCM programmer

Joined: 06 Sep 2003
Posts: 21708

Posted: Tue Apr 23, 2013 1:45 pm

Reply with quote

Quote:

can-mcp2510.c & can-mcp251x.c. which one will be suitable for my project?

Those two files are the same except for a few differences, as explained below:

In vs. 4.120, some lines were added or changed in can-mcp2510.c.
CCS didn't change can-mcp251x.c. They haven't made any other
changes since then.

The following lines were added or changed in can_set_mode():

Code:

struct struct_CANSTAT new_CANSTAT;

memset(&new_CANSTAT,mcp2510_read(CANSTAT),1);
} while (new_CANSTAT.opmode != mode);

The following lines were added to can_init():

Code:

output_low(EXT_CAN_SI);
output_low(EXT_CAN_SCK);
output_float(EXT_CAN_SO);

So assuming you have vs. 4.141 or a version near to that, I would say
you should use can-mcp2510.c, since it has the latest revisions from CCS.

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