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Forum Index : Microcontroller and PC projects : RP2040 potentially useful USB sniffer

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robert.rozee
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Joined: 31/12/2012
Location: New Zealand
Posts: 2434
Posted: 07:29am 21 Jan 2023
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just happened upon the following:
https://www.eevblog.com/forum/projects/usb-sniffer-using-rp2040/

it uses just a PICO and a USB extension cable to monitor Full Speed and Low Speed traffic. looks like it could be useful in diagnosing issues with USB devices.

there is also a link to a nice RP2040 PCB that brings out all 30 GPIO lines:
https://github.com/ataradov/breakout-boards/tree/master/rp2040


cheers,
rob   :-)
 
JohnS
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Joined: 18/11/2011
Location: United Kingdom
Posts: 4036
Posted: 11:22am 21 Jan 2023
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Good find!

John
 
Grogster

Admin Group

Joined: 31/12/2012
Location: New Zealand
Posts: 9591
Posted: 11:58pm 21 Jan 2023
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Yes, that looks like it could be useful if you are working with USB coding.
I'm far to scared of USB technically speaking, so I leave that to others who know what they are doing, and stick to my old-school UART.
Smoke makes things work. When the smoke gets out, it stops!
 
Quazee137

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Joined: 07/08/2016
Location: United States
Posts: 593
Posted: 02:38am 22 Jan 2023
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Here's something done in forth on the pico.

SPLAT - A Logic Analyzer for the RPi Pico RP2040
 
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