Search found 22 matches

Hello everybody,

I come back again and for the last time. Instead of waiting for a new oscillator, I calculate again the good values to have a 125 Kbps CAN bus. And nothing has changed.
So I decid ...

You really miss nothing ! lol effectively I made this mistake, and I saw it leaving the NOFCMEN fuse.
Anyway, after checking all of the stuffs, I think this only can be the oscillator frequency which ...

Thank you for the over-writing issue, I totally missed it. I changed a lot of things in your "two boards" test program because the communication doesn't work even between board #1 and #2 in ...

It's me, again and again. I checked the rxstat structure that contains the function can_getd(...). It contains lot of informations, as which filter is used, which buffer is used, and many more. The la ...

Hello,

I come back with my CAN bus after many research. I rewire my PICs as there :

http://imageshack.com/a/img838/9013/j7yr.jpg

I rewired the two Vss and Vdd pins on C3 and C17 capacitors, a ...

Ok, I understand well what are you meaning. You're right about the "side by side" comparision and analysis.
My PIC is working well, I already check it.

Thank you for your answer.

Gre ...

However, I saw these olders posts ....:

http://www.ccsinfo.com/forum/viewtopic.php?t=38204

https://www.ccsinfo.com/forum/viewtopic.php?p=121068

http://www.ccsinfo.com/forum/viewtopic.php?t=3 ...

Hello everybody,

I've already try the "TinyBootloader" solution with a 18F46K20 and I had been really satsified by it. But I have used a precompiled hex file for this microcontroller and ...

I can clearly see the CAN signal on the transceiver #1, until the CANRX pin of board #2, so my board and transceiver #1 works well. I can post the screenshots of my scope of the signal also...if it's ...

Just to up... I still be totally lost...If someone has an idea. Thanks

I've tried with this new one library...but nothing different. It still work with "CAN_RX_ALL" RX mode, but nothing with "CAN_RX_VALID" RXB0CON state.
In conclusion, this new one l ...

ho really ?!....and do you think this is why I can't receive my messages on my second board ??
I'll check the difference between the two different libraries later. Thank you for answering to me...

I decided to modify my library and accept all messages, even those with errors. So I modified the receiver buffer 0 mode (rxm bits in RXB0CON register) into CAN_RX_ALL mode ("Receive all messages ...

Hello everybody,

I'm coming again to look for advice... my two boards still don't communicate at all and I don't know why.

I can clearly read CAN signal until the CANRX pin of the microcontrolle ...

Just a rectification (to reply to myself ^^).... I changed the transceiver associated to board#1, and suddenly, I can clearly see the signal, on the transceiver pins, on the CANH, CANH signal which is ...