MicroPython Forum (Archive)

As it usually goes, talking about stuff gives you ideas... So for future reference: just creating a symbolic link from build-GENERIC to build is enough to pacify the monitory. I get a nice stack trace, see: MicroPython v1.18-146-g7e4995a71-dirty on 2022-02-20; ESP32 module with ESP32 Type "help()" f...

I'm building extensions for the MCPWM and PCNT facilities of the ESP32. While this works in principle, I get a stack trace when using code that IMHO should work. Concretely this works: class LargeCounter: def __init__(self, qdec): self._qdec = qdec qdec = esp32.PCNT(0, Pin(19), Pin(18)) counter = La...

But how can I locate the device then? I know how to register and look for concrete services (e.g. ssh) via avahi-browse etc, but I don't find the ESP even though it's on the same network.

Hi, I'm aware of the existing discussions about mDNS in this forum (e.g. https://forum.micropython.org/viewtopic.php?t=3027) - but this is not about 3rd-party mDNS support. I took a look into the ESP32 port and found this: https://github.com/micropython/micropython/blob/master/ports/esp32/modnetwork...

If you have code in C, why don't you just translate it? It should be pretty straight forward.

What about them? Put the code into a function and try for yourself. The result doesn't change. I don't know what stackoverflow article suggests that there is an optimisation. I just checked, it is actually optimised for the simple case in CPython, but statements about optimizations can't be generali...

Shouldn’t “b” point to the same int object in memory? Same principle c = (255,0,0) d = (255,0,0) Maybe my understanding is wrong. Idk. Send me a link to read if I’m wrong. It is wrong. There are optimizations for smallish integers to point to the same ram, but generally speaking objects are not agg...

I doubt it. I've got no problem running native multi core apps. The configuration of the ESP32 port is what makes this specific.

One insight: the define portNUM_PROCESSORS is depending on CONFIG_FREERTOS_UNICORE which is in turn set by sdkconfig.h in the esp32 port. Removing CONFIG_FREERTOS_UNICORE builds uP, but then I get an endless reset-cycle with this output: /home/deets/softwarets Jun 8 2016 00:22:57 rst:0x8 (TG1WDT_SYS...

I'm a happy ESP32/MicroPython user. I know that uP currently does not support multi-threading, and don't want to change this. But for my current project I could use a bit of extra CPU cycles on the second core for a MPU sensor fusion algorithm. So I thought I create a task bound to core 1 to just do...