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Use Linux to control USB test instruments

Posted: 02 Feb 2009     Print Version  Bookmark and Share

Keywords:Agilent Open  Linux  kernel 

The move to PC standard I/O interfaces is a key element of Agilent Open, which is a combination of hardware, I/O, and software tools that allow creation, enhancement and maintenance of systems. You can take advantage of this strategy, especially if you are using Linux as the operating system for your test solution, because support for LAN and USB interfaces is built into the operating system. This application note is designed to explain how to control your test instruments under Linux.

Basic support for USB is built into Linux kernels in the form of low-level USB drivers (kernel modules) that control the computer's USB chipset. However, these drivers do not offer a low-level programming interface to the user (applications running in user space). Instead, they are typically called by other kernel modules (in kernel space) that support certain types of USB devices, such as pointing devices (like mice) or USB disc drives. In most cases, to be able to use a USB device, you need a kernel driver that supports its corresponding device class.

View the PDF document for more information.

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