HELLO, i tried esp32 with mcp2515 bun not working

[lepromer]

HELLO, i tried esp32 with mcp2515 bun not working, did you tested with esp32, what i can i doing wrong,
CS 5
INT 27
CLK 18
SI 19
SO 23

[collin80]

I'm not sure. The MCP2515 code is very old at this point. Fairly quickly we moved to the CAN-FD hardware and the 2515 code was not touched since. You will probably have to do some debugging by dumping registers and/or putting debugging statements at various places to see what is going on.

[AsmodeusX]

I can confirm, it does initialize but won't work at all.

[jeroenveer]

Works fine on my ESP32 with MCP25625 did needed some minor changes.

[NMSTEC]

EDIT: Correction, seems MCPlibrary starts sending bullshit SPI register. Still working on it.

So receive works, as long as we are transmitting on the same bus. Go figure. Been checking every register state that could cause that, can't see why.

[NMSTEC]

Running while transmitting.txt

[NMSTEC]

Seems we are never clearing the interrupt flags. So it stops interrupting as per docs.

Thats issue 1,

Issue 2 is everytime the MCP2515 stops transmitting it, we for some reason request to read "mode_normal"...

This has got to be a simple issue somwhere, and yet im still fighting it. half a mind to start rewriting library myself step by step. Currently on vacation so no JTAG debugging for me :(