Hello. I want to set up ESP32' SPI as an slave so that it always listens to the master and wait for probable incoming messages. in an provided example in IDE, hspi->transfer() function is used. I could not find corresponding explanations for this function on web. where should I find the implemen…

ESP32- SPI- SPI.h functions

Idahowalker October 26, 2021, 5:46pm 2

I've used the ESP32 SPI Master Driver with great success. Perhaps you'll have good luck using the SPI Slave Driver - ESP32 - — ESP-IDF Programming Guide latest documentation (espressif.com)

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