Running the most basic program on Pico rp2040 resulted in the following error:

[lechenghhh]

In file included from d:\�ҵ��ĵ�\Arduino\libraries\Mozzi/MozziGuts.h:205:0, from d:\�ҵ��ĵ�\Arduino\libraries\Mozzi/Mozzi.h:33, from D:\我的文档\Arduino\Eurorack_PGM\Mozzi2040\Mozzi2040.ino:2: d:\�ҵ��ĵ�\Arduino\libraries\Mozzi/internal/MozziGuts.hpp: In function 'void MozziPrivate::bufferAudioOutput(AudioOutput)': d:\�ҵ��ĵ�\Arduino\libraries\Mozzi/internal/MozziGuts.hpp:85:3: error: 'audioOutput' was not declared in this scope audioOutput(f); ^~~ d:\�ҵ��ĵ�\Arduino\libraries\Mozzi/internal/MozziGuts.hpp:85:3: note: suggested alternative: 'AudioOutput' audioOutput(f); ^~~ AudioOutput d:\�ҵ��ĵ�\Arduino\libraries\Mozzi/internal/MozziGuts.hpp: In function 'void MozziPrivate::audioHook()': d:\�ҵ��ĵ�\Arduino\libraries\Mozzi/internal/MozziGuts.hpp:232:7: error: 'canBufferAudioOutput' was not declared in this scope if (canBufferAudioOutput()) { ^~~~~~~~ d:\�ҵ��ĵ�\Arduino\libraries\Mozzi/internal/MozziGuts.hpp:232:7: note: suggested alternative: 'bufferAudioOutput' if (canBufferAudioOutput()) { ^~~~~~~~ bufferAudioOutput

exit status 1

Compilation error: exit status 1

Excuse me, is it caused by some incorrect configurations of mine? The same program ran normally on Arduino Nano before

[tomcombriat]

Hi!

There is too little information to spot the problem for now, but the answers to these questions should help :) :

• What version of Mozzi are you using (Github, Arduino Library Manager), including the version number.
• Have you tried running some of the examples sketch of Mozzi, with no change?
• Could you provide a minimal non-working code?

[lechenghhh]

Mozzi Version:2.0.1 Pgm: Mozzi/01.Basics/Sinewave.ino Controller: Pico RP2040

[tomcombriat]

Works here with no problem. Are you trying to compile the example with no modification? Have you tried any other examples? Are you using the Arduino IDE with Earle F. Philhower's core for RP2040?

[tomcombriat]

Hi,

Hi got some more comments here by email, but I cannot find them on the thread… Deleted?

In any case, did you manage? From what I saw, I think you were not using the correct core:

boards:Arduino Mbed OS RP2040 Boards by Arduino version 4.1.5

whereas Mozzi has been ported to Earle F. Philhower's core

[lechenghhh]

I am not sure about the relationship between this kernel and the default options I found in the Arduino IDE development board manager. However, how to use Earle F. Philhower's core on Pico rp2040? Maybe I should check out this information

[lechenghhh]

Hello! After I switched to the development board core you mentioned, my rp2040 can now produce sound. Thank you very much for your question