![]() ![]() ![]() ![]() The corresponding host controller driver would pick and translate the low-level physical layer information into higher-level USB protocol-specific information. Hardware-space detection is done by the USB host controller - typically a native bus device, like a PCI device on x86 systems. Whether a driver for a USB device is there or not on a Linux system, a valid USB device will always be detected at the hardware and kernel spaces of a USB-enabled Linux system, since it is designed (and detected) as per the USB protocol specifications. USB stick) that was at hand - a JetFlash from Transcend, with vendor ID 0x058f and product ID 0圆387. ![]() The fastest way to get the hang of it, and Pugs’ usual way, was to pick up a USB device, and write a driver for it, to experiment with. Pugs’ pen drive was the device Shweta was playing with, when both of them sat down to explore the world of USB drivers in Linux. This article, which is part of the series on Linux device drivers, gets you started with writing your first USB driver in Linux. ![]()
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