Hello, we have bought some MCP2515 PICtail Demo Boards to evaluate them and then to develop a CAN interface system with the PIC16F676/677 for our purpose on the same basis. Now the problem: We have downloaded the firmware - provided in the MCP2515 PICtail Demo Board folder - from the original MicrChip website 00023R2.c dated 2007 and other gadgets files. Then we have compiled the supplied firmware with the MPLAB-X modern XC8 compiler in free mode and then programmed into the Demo Board. The Demo Board is not running - all LEDs are ON and not blinking as in the normal state to indicate CAN activities. When we program the supplied original HEX-file from MicrChip.com Site, the Demo Board is running well. Our question: Has anybody the same board - and if so - the suppied source files was running without code changes??? If so - what must we do to get it to run - maybe a other compiler or what else changes in the source? What we have see too - the hex file is a other revision - 2005 and the source is from 2007. Maybe here is a mistake by MicroChip Regards . Peter
Why don't you use a PIC18 with integrated CAN? It's cheaper, smaller, and faster. Just have a look at the PIC18F25K80. Its ECAN peripherial is an improved version of the 2515 CAN. fchk
Peter wrote: > When we program the supplied original HEX-file from MicrChip.com Site, > the Demo Board is running well. config register settings are usually unknown to C-sources Check if your settings are same as in original project.
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