linux-userspace-examples | repository provides linux application demos

by Digilent C Version: Current License: No License

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kandi X-RAY | linux-userspace-examples Summary

linux-userspace-examples is a C library. linux-userspace-examples has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

This repository provides linux application demos for common communication protocols: SPI, I2C, UART. The Vivado 2019.1 projects are posted on Vivado configurations for Linux Userspace examples repository (separate branch for each example). The Petalinux 2019.1 projects are posted on Petalinux project for Linux Userspace examples repository (separate branch for each example). The demos are provided as sources files. In order to use the demos, create in SDK a new linux application project and copy the provided demo sources into the new project sources folder, and then refresh the project sources. The demos are further described as used with Digilent Pmods specific to the demonstrated communication (PmodACL2 for SPI, PmodTMP3 for I2C, PmodUSBUART for UART). Still, if these Pmods are not available, the demos can be started and the protocols can be visualized over the specific communication lines.

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Support

linux-userspace-examples has a low active ecosystem.

It has 40 star(s) with 24 fork(s). There are 7 watchers for this library.

It had no major release in the last 6 months.

There are 2 open issues and 0 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of linux-userspace-examples is current.

Quality

linux-userspace-examples has no bugs reported.

Security

linux-userspace-examples has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

linux-userspace-examples does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

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linux-userspace-examples releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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linux-userspace-examples Key Features

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linux-userspace-examples Examples and Code Snippets

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Community Discussions

Trending Discussions on linux-userspace-examples

Trying to select an i2c address throws ioctl failed: invalid argument

QUESTION

Trying to select an i2c address throws ioctl failed: invalid argument

Asked 2021-Jan-04 at 22:09

I am building a program in Common Lisp, which communicates via i2c to a pca9685 using sysfs on a raspberry pi 3B+.

When initializing the device, I need to select the pca by using (ioctl fd +i2c-slave+ addr) where +i2c-slave+ = xf0703 (command for selecting slave) and addr = 0x40 (for pca9685)

However from the call I get an error:

...

ANSWER

Answered 2021-Jan-04 at 22:09

Your supposition is correct, this wrapper function that you are using calls ioctl with a pointer to your value instead of the value.

Have you tried simply (sb-unix:unix-ioctl fd cl-i2c-lli:+i2c-slave+ addr)?

Source https://stackoverflow.com/questions/65555533

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

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