Hello. I need to operate the RFM69HCW module from esp-idf. I'm trying to adopt this library for ESP32: https://github.com/ahessling/RFM69-STM32 Also, off course, I know the official docs, like: http://esp-idf.readthedocs.io/en/latest/api/peripherals/spi_master.html To init the SPI-master mode I'm us...