Damien George

I was just about to merge this when I realised that it's not handling the non-blocking case correctly. The new check added in this PR should go at the top...

Running the tests on PYBD_SF6 everything passes except `tests/ports/stm32/modtime.py` which has the following diff for its output: ```diff time.localtime( -1 ) returned (1999, 12, 31, 23, 59, 59, 4, 365)...

> The proper solution is probably to add an extra setting `MP_SUPPORT_Y1969_AND_BEFORE`, that provides a similar extension of the supported timerange to older date. OK, that sounds reasonable. If you...

I'm not sure that this is the best way to do it, because it adds a method, code size, and differs to other Vfs filesystems that don't support a label....

Thanks for this. The "TODO" for this feature has definitely been there a long time, more than 11 years! It would be nice to see this take up less code...

It's now preferred to use non-u module names, eg `import ssl` should work. (And `ussl` is gone because the underlying module is actually `tls` and `ssl` is just a wrapper...

@TrekMax please can you rebase this PR on the latest master, because there have been a lot of changes to the esp32 port, in particular support for IDF v5.3.

Current status of this PR: it needs rebasing on latest master, and resolving the few questions above left by @projectgus .

Thanks @projectgus for getting this working, and tweaking the RAM for WiFi/BLE. That's really good, and this PR is relatively simple. Just a few minor comments above, but otherwise I...

What is the PC side, is it a Windows, Linux, Mac or other? Windows is known to have bad serial drivers.