How to use MicroPython to make an SPI slave on ESP32S3?

极限零

How to use MicroPython to make an SPI slave on ESP32S3? [Copy link]

 

Guys, is it possible to use ESP as a slave? I can't find the relevant function.

dcexpert

On esp32, spi and i2c currently do not support slave mode.

极限零

dcexpert posted on 2024-9-27 16:44 On esp32, spi and i2c currently do not support slave mode.

This is too frustrating. I am now working fine with the slave SPI, but I just can't read the data from the slave. I tested it with an oscilloscope, and the slave did send back data, but I can't read it with readinto. I originally wanted to test it with 2 ESPs.

dcexpert

极力零发表于2024-9-27 16:49 This is too uncomfortable. Now even the slave SPI is normal, but I can't read the data sent back by the slave. I tested it with an oscilloscope and the slave did send back the data, ...

The slave function is not yet implemented on esp32, but the slave function can be used on stm32.