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OMAP-L138 problem with USB Keyboard and mouse

John Wilkes
Expert 1315 points

Hello,

I am having problems running the default 'Matrix Application Launcher' with both keyboard and mouse connected via a USB hub. If only one of these devices is connected it works fine. However, if both are connected, neither works properly and I get the following message constantly (every couple of seconds) appearing on the debug port:

usb 1-1.5: reset low speed USB device using musb_hdrc and address 4

The messages stop if I stop the matrix application or disconnect one of the devices. I am using SDK V4.2.0.6 and matrix gui v1.3. The hardware is a Logic PD L138 SOM plugged into our own motherboard which is heavily based upon that of Logic PD.

Any help would be appreciated.

Cheers,

John.