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Read, write register values before driver is available

Posted: 24 Feb 2009     Print Version  Bookmark and Share

Keywords:registers  PCI/PCI-X Exerciser  GUI 

When designing a device, you may need to read values from (peek) and write values into (poke) its registers or memory before a driver is available. Agilent PCI/PCI-X Exerciser, a combination of testcard and software, performs this task. The testcard makes it possible to peek and poke the registers of the device under test either via an external host or via PCI within the control PC. The testcard can be easily programmed by entering specific commands in the Command Line Interface of the Agilent's Exerciser GUI.

This application note aims to show how to access registers of a device before a driver is available by using the Exerciser's Command Line Interface (CLI). All available commands used to access registers of PCI and PCI-X devices are introduced in the examples provided in this document. Note that not all the available parameter settings can be shown.

View the PDF document for more information.





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