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BUS CAN

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kid_bengala

Joined: 09 Dec 2006
Posts: 1

BUS CAN
Posted: Sat Dec 09, 2006 12:21 pm

Hello: Pardon by my English. I´m new in the PIC and I want to make a reader of communications CAN, for them I have a PIC16F876 and a MCP2551 like controller, not very well like using bus SPI to be able to read the data, soon I want them to command by RS232 by a MAX232. Somebody can put some code to me of example to use this?thanks Greetings

PCM programmer

Joined: 06 Sep 2003
Posts: 21708

Posted: Sat Dec 09, 2006 10:04 pm

Reply with quote

Quote:

I have a PIC16F876 and a MCP2551

The MCP2551 is not a CAN bus controller. It's a bus transceiver.
It's function is similar to the MAX232 chip for RS-232. Data sheet:
http://ww1.microchip.com/downloads/en/DeviceDoc/21667d.pdf

To use the CAN bus with a 16F876, you need an external CAN bus
controller chip, such as the MCP2510 or MCP2515. Data sheet:
http://ww1.microchip.com/downloads/en/DeviceDoc/21801d.pdf

Driver file.
c:\program files\picc\drivers\can-mcp2510.c
c:\program files\picc\drivers\can-mcp2510.h

Example file:
c:\program files\picc\examples\ex_can_ccs_b.c

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