How to write to a specific address

[ghost]

Greetings,

I'm trying to use py-spidev to communicate with a "HopeRF RFM31B".

I can read the registers fine.

I cannot write data to a specific address using writebytes(...) or xfer(...)

How to do this?

Many thanks in advance,

[doceme]

Hello,

Sorry I missed your question until now. I am currently using this to communicate with a HopeRF RFM22B using BeagleBone, so the SPI write should be working. I would double check that your MOSI pin is connect properly to your RFM31B module. You can connect a wire from MOSI to MISO to test a loopback connection and make sure you can transfer to yourself before connecting to the RFM31B. I hope this helps.