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Recent Forum Posts

Re: CAN header and EXT asm question

I played with the MCP25625 (CAN controler and driver) using the SPI peripheral on the 18F57Q53 a while back (just looked, turns out it's 4 years ago now, bloody hell...).
My intention was to make a...
HenrikOlsson Yesterday, 16:24

Re: CAN header and EXT asm question

Very useful info that are posted in this thread, but I am afraid that CAN topic is not very popular!

Thanks anyway for your kindness to share your experience.

Ioannis
Ioannis Yesterday, 13:56

Re: CAN header and EXT asm question

Anyone got anything else to add/share please??
I bared my feeble CAN soul, now it's your turn.
retepsnikrep Yesterday, 06:30

Re: CAN header and EXT asm question

Watch out for the slew rate control bit in PICS.
It defaults to on in the PIC18F26K80!

This screwed me for hours as the SPI just kept falling over above 1mhz.
Not enough drive power for the...
retepsnikrep - 7th May 2025, 15:11

Re: CAN header and EXT asm question

Earlier CAN MITM prototypes.

One using 16F1825 at 32mhz and one using 18F26K80 at 64mhz.

It was possible to drive one of those serial data to RCA video gadgets as well.
This made a nice...
retepsnikrep - 7th May 2025, 14:34

Re: CAN header and EXT asm question

Interface board with SPI controlled MCP 2515 and line driver to use with non CAN enabled PIC's
https://www.aliexpress.com/item/1005006850683509.html

Line driver to use with CAN enabled PIC's....
retepsnikrep - 5th May 2025, 08:34

Re: CAN header and EXT asm question

Paul. Can we see that?

I have used pics with the internal CAN module and a can line driver and ones without but with an external microchip mini CAN board and line driver.

I built a Honda...
retepsnikrep - 4th May 2025, 05:26

Re: CAN header and EXT asm question

I have been working on a CAN interface file where you pass a few initial set up parameters, speed etc. and it selects and sets the appropriate registers. When you want to send a frame, you load a...
Zapman - 4th May 2025, 00:30

Re: CAN header and EXT asm question

Be interested to see what you were working on.
I've done quite a bit on CAN with PBP.
retepsnikrep - 3rd May 2025, 16:27

How To
Microchip Tips and Tricks
by
ScaleRobotics

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Published on - 17th June 2010 17:26 Number of Views: 11761
The link below has the most information about tips and tricks using PIC micro-controllers. The attachment is a smaller version ...

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Presetting Configuration Fuses (PIC Defines) into your Program
by
Melanie

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Published on - 20th May 2010 16:27 Number of Views: 12336
1. What are the Configuration Fuses?
2. How can I preset them in my Program?
2.a. When using MeLabs default ...

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Bits, Bytes Words and Arrays
by
Melanie

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Published on - 23rd April 2010 19:39 Number of Views: 10011
1. How can I reference a BIT in a BYTE?
2. How can I reference a BIT in a WORD?
3. How can I reference a BIT in a BYTE ARRAY?
4. How can I reference a BIT in a WORD ARRAY?
5. How can I reference a BYTE in a WORD ARRAY?
...

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I’m Running Out of CodeSpace, What Can I Do?
by
Melanie

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Published on - 23rd April 2010 19:28 Number of Views: 12256
I’m Running Out of CodeSpace, What can I do?
My progam is too slow - What can I do?

Apart from the obvious and move to a faster PIC with more program memory, there’s a few little known tricks you can try.
...

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