I work with some devices which used STM32 MCU and MCP2561. Theses devices talks on a CAN Bus. Everything is ok.
But when i plug a Raspberry Pi with a MCP2515(Spi) and a MCP2561. I see a lot of invalid frames on my scope like this :
I don't understand why there is a problem at the ACK/ACK Delimiter.
Thank You for your help.