p-net Profinet device stack

Web resources

Source repository: https://github.com/rtlabs-com/p-net
Documentation: https://rt-labs.com/docs/p-net
Continuous integration: https://travis-ci.org/rtlabs-com/p-net
rt-labs: https://rt-labs.com

p-net

The rt-labs Profinet stack p-net is used for Profinet device implementations. It is easy to use and provides a small footprint. It is especially well suited for embedded systems where resources are limited and efficiency is crucial.

It is written in C and can be run on bare-metal hardware, an RTOS such as rt-kernel, or on Linux. The main requirement is that the platform can send and receive raw Ethernet Layer 2 frames. The p-net stack is supplied with full sources including a porting layer.

rt-labs p-net is developed according to specification 2.3:

Conformance Class A (Class B upon request)
Real Time Class 1

Features:

TCP/IP
RT (real-time)
Address resolution
Parameterization
Process IO data exchange
Alarm handling
Configurable number of modules and sub-modules
Bare-metal or OS
Porting layer provided

Limitations:

IPv4 only
Only a single Ethernet interface (no media redundancy)
Only one stack instance

This software is dual-licensed, with GPL version 3 and a commercial license. See LICENSE.md for more details.

Requirements

The platform must be able to send and receive raw Ethernet Layer 2 frames, and the Ethernet driver must be able to handle full size frames. It should also avoid copying data, for performance reasons.

cmake 3.13 or later

For Linux:

gcc 4.6 or later
See the "Real-time properties of Linux" page in the documentation on how to improve Linux timing

For rt-kernel:

Workbench 2017.1 or later

Contributions

Contributions are welcome. If you want to contribute you will need to sign a Contributor License Agreement and send it to us either by e-mail or by physical mail. More information is available on https://rt-labs.com/contribution.

License

ToSa27/p-net

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