MicroPython Forum (Archive)

This is more clean: def siglam(p,q): return (apply(range(p), lambda i: (apply(range(q), lambda j: C(i)*C(j)*C(p+q-i-j-1) )) )) Returns nested tuples >>> catalan.siglam2(3,2) ((14, 5), (5, 2), (4, 2)) >>> which "sum()" cannot handle -- but "sumit()" can: def sumit(t): return t if isinstance(t, (int,f...

Cosmetics, easier to read, does not use that much space horizontally, equivalent to previous code:

Today I stumbled over this identity for Catalan numbers: https://oeis.org/A000108 C(p+q)-C(p)*C(q) = Sum_{i=0..p-1, j=0..q-1} C(i)*C(j)*C(p+q-i-j-1). - Groux Roland, Nov 13 2009 Normally I use "bc" tool for arbitrary precision calculations, but realized that MicroPython allows for that as well. And ...

"micropython/py/dynruntime.mk" does not know about "Pico" (cortex-m0plus) archtecture. I did hijack "armv7m" for the Pico and added support for Pico with 1line change commit on my micropython fork, that provides "string" example module with multiple member functions and multiple (int+str) arguments,...

Can you help on MicroPython networking client examples (with and without ssl) only working with google. com? https://forum.micropython.org/viewtopic.php?f=15&t=10318 I identified root cause -- Micropython network http[s] examples are too sloppy, most webservers need "Host" header presented. I commi...

I identified root cause: google.com is a bit sloppy, other http[s] servers need at least "Host" header presented! I fixed both network http[s] client examples, see this commit on my micropython fork for details: https://github.com/Hermann-SW/micropython/commit/bd5dfd1546ee091c30cf7dd7be293acf85fbb86...

pythoncoder wrote: ↑

Thu Apr 22, 2021 7:19 am

Light dawns

I hope so

Can you help on MicroPython networking client examples (with and without ssl) only working with google. com?
viewtopic.php?f=15&t=10318

Why not use an Esp32 for the network? I connected ESP01 to Pico for enabling Pico to do HTTPS GET requests over ESP01's Wifi -- but that was not real networking between Pico and ESP01. See thread pointed to in my signature. This looks like a lot of development effort and it's great that it works, b...

I am done with cleanup and commited+pushed the changes to my micropython fork with this commit (it shows nicely what all needed to be changed and where): https://github.com/Hermann-SW/micropython/commit/f782c8b5a6d6e9f65c2a4feeaaa95a192ab2a123 In case you just want to try without building MicroPytho...

Default system clock is 125MHz. USB+UART+GPIO works fine for 250MHz. You can overclock to >=420MHz with GPIO still working. My first 3 Picos maxed out with working GPIO at 426/428/436MHz. I was able to run Pico at 10MHz, but all frequencies below did not work. In case you overclock with >400MHz, you...