In Part I of this article, I briefly mentioned the generic USB driver in the context of getting a USB device to communicate through it easily, with no custom kernel programming. Unfortunately, I ...
With the introduction of Microchip’s microcontrollers with the USB OTG peripheral, microcontroller applications can easily support USB embedded host functionality. Many devices fall under one of the ...
I have an old Toshiba laptop with a USB slot and Windows95 OSR2 (or it may be Win95B, I'm not certain) installed. I downloaded and installed the USB drivers for it, it detects the slot. However, when ...
In most cases, device drivers are written with both higher level logic and hardware specific code within the same functions. This means that each time a given physical device is used on multiple ...
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 ...
In my last column [see LJ December 2002], we covered the serial layer in the 2.5 (hopefully soon to be 2.6) kernel tree. We mentioned in passing that a USB-to-serial driver layer in the kernel helps ...