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yocto image on riotboard with no keyboard detection

nico.b over 7 years ago

Hi all,

When i boot my riotboard from sd with yocto image. there is no keyboard detection. i tryed wuth 3 diffrent keyboards

but all 3 not working ... cant write anything on

riotboard login:

can anybody help plz?

edit: in android also no keyboard and mouse working

regards

nico

stmorgan over 7 years ago

Here are a few things that you might try:

1. Make sure you are using a power supply rated for sufficient voltage (5V) and current (1A according to the User Manual, but I use 4A-5A) for the RIoTboard.
2. Even if the power supply is rated correctly, use a voltmeter to test the output voltage of the power supply to make sure it is not faulty.
3. Use a serial-to-USB cable connected to the J18 Serial Debug Port to view the console output during boot. If there is an issue with USB (or something else) on the board, you may see something in the output that can give a clue as to the problem. While the UART8000-U cable is the recommended serial cable for the board, you can probably use just about any serial cable provided it is intended for use at 3.3V levels. Here are some references for using a serial-to-USB cable on RIoTboard:

https://www.element14.com/community/message/112418/l/re-how-do-i-access-the-terminal#112418
https://www.dropbox.com/sh/d5f94x49lnzjzxv/AACgr2sY7-yAAXFnpwXlSMtja/RIoTboard%20UART8000-U%20Quick%20Start%20Guide.pdf
http%3A%2F%2Fmcuoneclipse.com%2F2014%2F07%2F21%2Fterminal-con…
JBtek Serial TTY to USB Cable Setup on RIoTboard

Good luck on the troubleshooting!
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