SPI: Procedure for Reading Registers

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Hi Joe,

We’ve got a pretty good SPI tutorial for Raspberry Pi here:

This video detailing the protocol is also really good:

And I’d recommend checking out the Wikipedia article:

Once you’re through those basics, check out page 44 of the datasheet: https://cdn.sparkfun.com/datasheets/Wireless/General/RFM69HCW-V1.1.pdf

It provides full details of how to read data from it. I’d also recommend checking out Adafruit and Sparkfun’s libraries for their boards based on this chip. See their tutorials here:
https://learn.sparkfun.com/tutorials/rfm69hcw-hookup-guide?_ga=2.136846066.375606882.1610341289-206077269.1610341289

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