USB issues #26
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I have a newly assembled RP6502 which is mostly working as expected but I've had a few issues with USB. First, depending on which ports on my USB hub I use some devices will not be recognized. For example, I will have 1 USB drive and 1 keyboard on the hub. When I run the status command I will get: |
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Replies: 9 comments 6 replies
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I removed the "Couldn't find..." message; it was a placeholder for figuring out joysticks which none of my keyboards triggered. I regularly swap USB drives but you can't swap SD cards in a reader (yet). The TinyUSB and RP6502 projects need contributors who know USB at a very low level. |
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I built the RIA firmware using the latest in the vga branch and that did indeed make the message go away. BTW, I also replaced the vga firmware with the build from the latest vga branch but that doesn't seem likely to have affected the USB issues. Side question: I built this as a debug build, a release build and a release build with debug symbols but for all three the ria uf2 file was significantly smaller than the one included in the zip file. The zip file version is 1255 KB and all of mine have been around 210 -250 KB (even the main branch). The vga uf2 is about the same size. Is my firmware being built incorrectly or has the size significantly changed or is something else going on? |
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What hub do you recommend ? |
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So far I have tried the Pi keyboard with hub and that works ok including a basic usb storage device, but no controllers worked. Also the caps lock is not working at all. Next I tried an old mister otg hub lead that was very cheap with a usb keyboard and this did not work at all. The keyboard did work with a otg - usb converter, but again no caps lock function. I am going to dig out my old Mister powered usb hub and give that a try. So the caps lock is a firmware issue ? |
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Does anyone know which USB hubs do work? So far I have failed to find one that does, but several that don't. |
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Thanks Lee - I've ordered one.
Regards
Geoff
…----------------------------------------
From: "lee smith" ***@***.***>
Sent: 8/22/23 4:29 PM
To: picocomputer/discussions ***@***.***>
Cc: Nordlaw-tech ***@***.***>, Comment ***@***.***>
Subject: Re: [picocomputer/discussions] USB issues (Discussion #26)
this is working for me
https://amzn.to/3YMlLpT
also the pi keyboard
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Thanks for your help.
regards
Geoff
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From: "brentward" ***@***.***>
Sent: 8/22/23 6:51 PM
To: picocomputer/discussions ***@***.***>
Cc: Nordlaw-tech ***@***.***>, Comment ***@***.***>
Subject: Re: [picocomputer/discussions] USB issues (Discussion #26)
I've tried two and had issues with both where depending on which port I use the USB won't mount the file system.
This one works more reliably: https://www.amazon.com/gp/product/B01HYJLZH6/ref=ppx_yo_dt_b_asin_title_o02_s01?ie=UTF8&psc=1
I can also use this: https://www.amazon.com/gp/product/B00L2442H0/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&th=1 with this OTG adapter: https://www.amazon.com/gp/product/B083KJ1B5H/ref=ppx_yo_dt_b_asin_title_o07_s01?ie=UTF8&psc=1
Perhaps try switching around which ports you are plugging into with the hubs you do have.
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My favorite ANKER wireless keyboard mostly works, but generates "(0 0 0) ---" messages quite often on the screen. |
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I have had major slowness (~200 bytes per second loads) issues with a couple HP branded USB2 thumb drives (v115w, 4GB and v165w 8GB) and a generic I got as swag at a conference. I eventually found a USB-SD card adapter that worked "normally". Also a SanDisk Cruzer Glide 16GB works. I am wondering if people can report which USB drives worked for them. doesn't work:
works:
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I removed the "Couldn't find..." message; it was a placeholder for figuring out joysticks which none of my keyboards triggered. I regularly swap USB drives but you can't swap SD cards in a reader (yet). The TinyUSB and RP6502 projects need contributors who know USB at a very low level.