[sdiy] Some Audio DSP prototypes

Mike Bryant mbryant at futurehorizons.com
Sat Apr 16 01:37:13 CEST 2022


> Installing, wiring and using these is well described in the RPi Pico documentation and the user experience is very similar to debugging with ST-Link on an STM32.

Except the STM32 system works well on Windows and the RP2040 system barely even works unless you develop on a Pi with Linux.   Okay for a small project but not for anything large or needing long term support.


-----Original Message-----
From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Eric Brombaugh via Synth-diy
Sent: 15 April 2022 23:56
To: ackolonges fds; synth-diy at synth-diy.org
Subject: Re: [sdiy] Some Audio DSP prototypes

The RPi Foundation provides a few options for doing SWD debugging on the
RP2040:

1) An customized OpenOCD running on a standard Raspberry Pi board that uses GPIO to implement an SWD interface.

2) An installable binary for the RPi Pico devboard which turns it into a USB <> SWD adapter that works with a customized build of OpenOCD.

Installing, wiring and using these is well described in the RPi Pico documentation and the user experience is very similar to debugging with ST-Link on an STM32.

Eric

On 4/15/22 15:39, ackolonges fds wrote:
> 
> I've been thinking of converting a design to RP2040 from STM32 because 
> of the shortage. It's not heavy on DSP, just controls a couple of I2C 
> DACs, GPIOs, and uses an Input Compare timer. I have been using the 
> STM32CubeIDE with an ST-LINK V2 programmer, and have found it very 
> good, and debugging very convenient via SWD. From what I've searched 
> on the
> RP2040 so far, the debugging is much less convenient than this. Would 
> you please be able to comment on your programming/debugging setup for 
> it? Is it possible to get something comparable to the 
> STM32CubeIDE/ST-LINK/SWD workflow?
> 
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