MicroPython Forum (Archive)

I have a C++ code that I can compile as Cpp module following the upy 1.18 documentation, but Im not sure how to "link" New and Delete operators with micropython garbage collector. Im wondering if this is the correct way: void *operator new(size_t size) { return gc_alloc(size, 0); } void *operator ne...

Recently I found pioemu python package to simulate basic PIO programs on PC. The new trick here is that you can add the rp2 code to assemble programs directly on your PC too:

Im wondering if rp2.PIOASMEmit can be modified to handle simple C statements to use under @asm_pio as @asm_pio( set_init=rp2.PIO.OUT_LOW ) def prog(): if_( x ) set( pins, 1 ) else_() set( pins, 0 ) endif_() To do this, you need to add such funcions in PIOASMEmit and handle during different passes. d...

I have an F745 based board that runs code from the MCU's internal flash memory and uses an external SPI flash memory for File System storage. Now I want to remotely update the board by storing the compressed dfu file in the FS (on the external SPI flash) and then calling mboot to do the upgrade, but...

Recently I discover sys.settreace functionality and it is really amazing. I also using an android trace visualization https://ui.perfetto.dev/#!/ that takes a json data like {"name":foo, "time start":0.1, "duration":0.4} and generates a cool interactive visualizations. It is easy generate such data ...

After some work I here is an experimental upy C module generator, useful for beginners who want compile new modules in C. This generator takes a python api interface as an input and generates complete C template that can be compiled with the kernel. The input can be any python function or class defi...

I am not sure if it is a bug, but I cant configure the CAN filters properly. In this example, the expected result is only receive the "ok" messages, but some "fail" messages are received also... import pyb import time can = pyb.CAN( 1, pyb.CAN.LOOPBACK ) can.init( pyb.CAN.LOOPBACK, extframe=True ) f...