Raspberry Pi 4 For Beginners by Rincon Jack V

Author:Rincon, Jack V.
Language: eng
Format: epub, pdf
Published: 2021-12-01T16:00:00+00:00

Programming GPIO in C/C++: Standard Kernel Interface

To interact with the Raspberry Pi GPIO using C/C++, you can use the standard kernel interface. There are also third-party libraries such as pigpio, which you can use to interact with the pi.

However, since Linux kernel 4.8, the sysfs interface has become deprecated and can be very hard to use.

Building

We can build this project manually. However, you require autoconf version 2.61 and the standard C libraries with GNU extensions. This is a simple and straightforward Autotools compile.

https://linkfy.to/l850I

Grab the files from the Linux kernel git repo provided below.

https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git

Next, we need to build and install the project, which also includes command-line utilities.

Enter the commands:

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