Replies: 10 comments 9 replies
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Have you also flashed the Tang Nano 20k? Is the Atari booting? It should even boot without the M0S. If it boots, does the RGB led on the Tang Nano 20K light up? If it doesn't the M0S doesn't work. At startup the M0S will tell the TN20K to change the LED color first to blue then to green. |
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Yes, the Tang Nano 20k is flashed and working. Atari is booting up and shows our beloved green desktop. Its only the M0S which refuses to work. |
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Photos of my wiring
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At a first glance looks good to me. Please follow these instructions: https://github.com/harbaum/MiSTeryNano/blob/main/TROUBLESHOOTING.md |
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Na immerhin :)
Correct, the RGB LED on the Tang turns up blue, then green. |
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I'm using a simple NoName USB-C -> USB-A adapter with a standard USB keyboard. No mouse tested, but I should have tried it. |
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The two new adapter arrived, but still no joy. Neither keyboard nor mouse is getting powered. No light on device and only a single bright orange LED on M0S. |
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They don't get powered? There's imho nothing that would prevent 5V from going from the M0S to USB. The M0S is powered but the USB is not? |
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Have a look at the video. You can see that the USB device (an old simple standard mouse) is getting power for a glimpse, then nothing more. https://drive.google.com/file/d/1OBcuySJfMfPRF0ycs-XTLhQFS8F2_MlD/view?usp=sharing |
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I would not be too sure that this means the mouse is not getting power. It may simply not be happy with the communication and switch the led off. Still I have no idea what exactly fails here ... It's actually hard to debug without any debug interface connected to the m0s. Did you try some different mice? I actually doubt that the M0S is broken. |
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I also have my doubts that it is broken. We'll see today/tomorrow when another M0S arrives. |
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Oh, and I just used my USB measuring device (with and w/o connected USB device) and it is showing power on the USB pins!
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Holy cow! The new M0S arrived some minutes ago, I have the flashed the firmware and - it works! |
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How surprising ... Hopefully you'll find something. You may set the 'erase entire flash' setting in the cfg.ini I supply with the firmware to see if that changes anything. |
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Yeah, I'll try that as the next step before returning it for replacement. Stay tuned. |
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I am pretty sure it's not physically defective. There's just something that's different and I'd like to understand what. The same may happen to other devices as well. |
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Just rewrote the firmware with |
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Please sent me an email |
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According to BLFlashCube I successfully flashed the firmware to the M0S Dock, but when connected to the Tang Nano 20k the M0S gives me only a single LED light. No USB device is working. The USB-C to USB-A adapter is working fine on a normal PC.
I've triple checked the wiring between M0S and the 20k and it is looking error free to me. I could take photos of the wiring if it helps to help me ;)
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