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You're reading from  Linux Device Driver Development - Second Edition

Product typeBook
Published inApr 2022
PublisherPackt
ISBN-139781803240060
Edition2nd Edition
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Author (1)
John Madieu
John Madieu
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John Madieu

John Madieu is an embedded Linux and kernel engineer living in Paris, France. His main activities consist of developing device drivers and Board Support Packages (BSPs) for companies in domains such as IoT, automation, transport, healthcare, energy, and the military. John is the founder and chief consultant at LABCSMART, a company that provides training and services for embedded Linux and Linux kernel engineering. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that we can learn more. He is passionate about boxing, which he practiced for 6 years professionally, and continues to channel this passion through training sessions that he provides voluntarily.
Read more about John Madieu

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Walking through user-space IIO tools

Though we have already gone through the steps required to capture IIO data, it might be tedious and confusing since each step must be performed manually. There are some useful tools you can use to ease and speed up your app development dealing with IIO devices. These are all from the libiio package, developed by Analog Devices, Inc. to interface IIO devices, available here: https://github.com/analogdevicesinc/libiio.

User-space applications can easily use the libiio library, which under the hood is a wrapper that relies on the following interfaces:

  • /sys/bus/iio/devices, the IIO sysfs interface, which is mainly used for configuration/settings
  • The /dev/iio/deviceX character device, for data/acquisitions

The preceding are exactly what we have manually dealt with so far. The tool's source code can be found under the library's tests directory: https://github.com/analogdevicesinc/libiio/tree/master/tests offers tools such...

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Linux Device Driver Development - Second Edition
Published in: Apr 2022Publisher: PacktISBN-13: 9781803240060

Author (1)

author image
John Madieu

John Madieu is an embedded Linux and kernel engineer living in Paris, France. His main activities consist of developing device drivers and Board Support Packages (BSPs) for companies in domains such as IoT, automation, transport, healthcare, energy, and the military. John is the founder and chief consultant at LABCSMART, a company that provides training and services for embedded Linux and Linux kernel engineering. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that we can learn more. He is passionate about boxing, which he practiced for 6 years professionally, and continues to channel this passion through training sessions that he provides voluntarily.
Read more about John Madieu