How to handle fast flipping of RE/DE pins when using ESP32 and RP2040 UART as RS485

[yfyungit]

Description

When using ESP32 and RP2040's UART for RS485 communication, how to handle the fast flipping of RE/DE pins, the different transmission speeds at different baud rates, how to know whether all data on UART has been sent, and how to switch to receiving data as quickly as possible after sending.

Code Size

No response

Implementation

I hope the MicroPython maintainers or community will implement this feature

Code of Conduct

Yes, I agree