How to organize the work of Arduino and Raspberry via SPI, I2C, CAN, SWD via JTAG interface?

Question

Arduino

How to organize the work of Arduino and Raspberry via SPI, I2C, CAN, SWD via JTAG interface, so that Arduino transmits health information to the Raspberry console?
I'm new to this - lamer... Help!

Answer 1

Score on TK and transmit via UART)

Answer 2

It doesn’t matter what kind of nodes, but we did pulse on CAN. Those. the node, for example, sends one identifier once a second (without data). On the "master" after each reception, a timer is started for 2-3 seconds. If the pulse is gone, you can register the loss of communication.
Circuit Producer (Arduino) - Consumer (Raspberry)

Answer 3

Need advice on kan - how and what works. Never met or worked with kan(