In this post, we will explain the possible solutions to fix the Unknown USB Device (Descriptor Request Failed) error. USB Device Descriptor contains information about ...
Last time we discussed how to create a simple USB driver that controlled a USB LED device manufactured by Delcom Engineering [LJ, April 2004]. I would like to thank all of the readers who have given ...
The difficulty of writing device drivers is one of the major barriers to the adoption of the USB. A typical embedded-device engineer who can comfortably design embedded systems all day long can get ...