[En-Nut-Discussion] SJA1000 driver

[Ole Reinhardt]

Hi Petri,

> I was afraid that there was something I was not seeing.
> I am already using MCP2515 and it has been serving our project well but now
> we have to receive bursts of CAN messages and we miss some of them. I'm
> guessing that the SPI bus may be overloaded because there is a lot of other
> traffic on it, too. That's why I was hoping to test SJA1000 with (hopefully)
> little effort to see if removing CAN traffic from the SPI helps. Now other
> possible solutions I have is to increase SPI speed by doing the SPI in the
> NPL or use a slave MCU to buffer the bursts. Probably AT90CAN128. I guess I
> will go with the slave MCU.

Are you using the original Ethernut3? If not, using the SAM7x might be a
solution for you (which has an included can controller)

Bye,

Ole

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