This application note describes the required actions for porting the syn1588® PTP Stack to any other operating system or platform.
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Oregano Systems‘ syn1588® PTP Stack offers a complete implementation of the protocol stack for the IEEE1588-2008 standard. The syn1588® PTP Stack is a well proven, reliable and portable software. Its outstanding functionality is verified regularly on ISPCS plugfests and SMPTE Interops.
Oregano Systems offers a protocol stack - the syn1588® PTP Stack - which is fully compatible to the IEEE1588 Standard for the Precision Clock Synchronization Protocol. The syn1588® PTP Stack is tested for compatibility in environments with stacks of other proveniences on several IEEE1588 plugfests.
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syn1588® PTP Stack – The Big Picture
Every IEEE1588 implementation requires two parts:
- hardware real-time task
- software complex protocol task
The hardware performs in real-time the follwing basic functions:
- packet matching
- timestamping
- accurate clock
The software performs without any real-time constraints the follwing basic functions:
- protocol handling
- user interface
- configuration of modes
The syn1588® PTP Stack is such an implementation.
- proven
- configureable
- portable
- reliable
The syn1588® PTP Stack’s software architecture is partitioned into the PTP library and the PTP application. The library executes a protocol engine which processes PTP messages and drives a control loop to synchronize a (hardware) clock. The engine is designed as a state machine according to the full master/slave state protocol of the IEEE1588-2008 standard.
The PTP application incorporates all parts outside the IEEE1588-2008 standard as well as all platform/operating system dependent functions (logging, network access, configuration, user interaction). The complete syn1588® PTP Stack is implemented in native C/C++ with a focus on using almost only platform independent functions and libraries (Portable Operating System Interface- POSIX, Adaptive Communication Environment – ACE). Thus, reusing the library or porting it to new platforms is easy and straightforward.
syn1588® PTP Stack - FAQ
This FAQ document summarizes frequently asked questions and their answers when using the syn1588® PTP Stack for the first time. Please check this document in case of any issues or unintended behaviour of your system prior contacting the syn1588® support.
syn1588® PTP Stack – System Features
- high precision clock synchronization using IEEE 1588-2008
- first IEEE1588-2019 (aka PTP version 2.1) functions already available
- hardware and software timestamping support
- native support for many IEEE 1588 hardware clock implementations
- support for different PTP profiles
- Default Profile
- Broadcasting Profile (SMPTE)
- Power Profiles
- Telecom Profiles
- configurable via PTP management messages or via an API
- support for multiple platforms
- system clock synchronization on desktop PCs (using an additional software tool)
- high portability due to platform independent implementation
syn1588® PTP Stack – Application Notes
General
Porting the syn1588® PTP Stack
Supported PTP Profiles
The syn1588® PTP Stack supports a large variety of PTP profiles used in the industry. We continuously maintain existing and add new PTP profiles. This application note summarizes the PTP profiles currently supported by the syn1588® PTP Stack.
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802.1AS Supported Features
The syn1588® PTP Stack supports the great majority of the features defined in the IEEE 802.1AS-2011 standard (Timing and Synchronization for Time-Sensitive Applications in Bridged Local Area Networks). This application note describes in detail the supportes 802.1AS functions.
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PTP Servo Control Loop Parameter Settings
The syn1588® PTP Stack supports many PTP profiles with different sync rates and varying requirements for the operation as PTP slaves. The application note "Choosing PTP servo control loop parameters" helps selecting the appropriate basic parameter sets depending on the application and the requirements.
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Using the syn1588® PTP Stack Shared Memory API
This application note describes the shared memory API for the syn1588® PTP Stack allowing access to many parameters defined in IEEE 1588-2008 as well as other relevant data during run-time. This API can be used to configure, control, and monitor the operation and status of the syn1588® PTP-Stack.
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Running the syn1588® PTP Stack as Windows Service
This application note describes how to run the syn1588® PTP Stack as Windows Service.
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easyn1588® – a GUI for the syn1588® PTP Stack
This application note describes the easyn1588®, a graphical user interface (GUI) the syn1588® PTP Stack that is currently available just for Linux OS.
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Evaluating the syn1588® PTP Stack
Yet, there is no power without control, The syn1588® PTP Stack has an impressive number of command line options allowing the user to select a wide range of configurations. Knowing that the best way to get familiar with the syn1588® PTP Stack is by evaluating it at your own pace, we offer our software as an evaluation version. This application note describes the underlying procedure.
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Security in PTP v2.1
This application note describes the use and configuration of Security in PTP v2.1 as specified in the IEEE1588-2019 standard. Portions of the security functions are already implemented in the syn1588® PTP Stack while the rest will follow soon.
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Applications
IEEE 1588 Slave
The syn1588® PTP Stack may be used to act as an IEEE 1588 slave within a PTP network. The Stack will automatically choose the best IEEE 1588 master in the network and will synchronize to its clock. The achievable accuracy depends on different parameters like the used timestamping mechanism (hardware or software), the local oscillator (standard crystal oscillator up to high-quality OCXOs), the network topology and the traffic load within the network. PTP aware network infrastructure like the syn1588® Gbit Switch can dramatically improve synchronization results.
IEEE 1588 Master
The syn1588® PTP Stack may act as an IEEE 1588 grandmaster in a network. Multicast mode is supported as well as unicast mode allowing to synchronize hundreds of slaves. Oregano Systems recommends using PTP aware hardware with high-quality oscillators for all master applications (like the syn1588® PCIe NIC with OCXO).
Hardware timestamping using a syn1588® PCIe NIC
The syn1588® PTP Stack is designed to be used with a syn588® hardware like the syn1588® PCIe NIC and offers a seamless and straightforward user experience. Some features like external synchronization to a GPS receiver is only supported in combination with a syn1588® PCIe NIC.
Hardware timestamping using an Intel® Ethernet Controller I350
When using the syn1588® PTP Stack on a Linux PC (kernel 3.0 required) a standard Ethernet Controller with PTP support (like the Intel® Ethernet Controller I350) may be used for time-critical operations like timestamping and clock adjusting.
Synchronizing the system clock to the syn1588® Hardware Clock
When using a PC for high precision clock synchronization with IEEE1588 capable hardware it is often required to synchronize the PC's system clock as well. This can be achieved by using the syn1588® PTP Stack in combination with the utility lSync.
Using redSync - PTP redundancy
This application note describes the function and usage of the redSync utility. This utilty allows to create PTP nodes with redundancy.
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PTP for camera systems
Since industrial camera systems started using Ethernet for image transfer they now require PTP to have a common understanding of time for all related cameras as well as the image processing system.
This application note describes the architectural considerations when adding PTP to such systems.
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syn1588® PTP Stack – Technical Information
- fully compliant with IEEE 1588-2008
- IEEE1588-2019 support is added step-by-step
- full master and slave capability
- Support for end-to-end (E2E), peer-to-peer (P2P) and pure syntonization mechanism
- one-step (syn1588® hardware required) and two-step clock support
- IPv4, IPv6, and Layer 2 (802.3, Linux only) transport
- IEEE1588 management mechanism
- support for unicast operation
- supported PTP profiles:
- Broadcasting Profile (SMPTE ST2059-2)
- Default Profile (IEEE1588-2008, Annex J3)
- Power Profiles (C37.238-2011, C37.238-2014)
- Telecom Profiles (G.8265.1, G.8275.1, G8275.2)
- check Application Note for full specification
- optional: boundary clock operation
- natively supported hardware:
- any syn1588® hardware with hardware timestamping support
- Network Interface Cards supporting the Linux PHC interface and the Linux SO_TIMESTAMPING feature with hardware timestamping support
- natively supported operating systems:
- Linux (32/64 bit)
- Windows 7, Windows 10 (32/64 bit)
- Windows Server 2003, 2008, 2012, 2016 (32/64 bit)
- 8051 (8-bit microcontroller) implementation with lightweight IP stack
- easily portable to any other platform or operating system
- well structured C++ code
- API for controlling and monitoring the syn1588® PTP Stack
- Support for IEEE 1588-2002 available as separate executable
- supports command line options
- fine-grained configuration via configuration files
- support for multiple instances on a single node
- statistics
- support for Meinberg's NetSync Monitor
- add-ons
- lSync: synchronizes local system clock (syn1588® hardware required)
- eSync: synchronizes time to an external reference like a GPS receiver (syn1588® hardware required)
syn1588® PTP Stack – Release Information
In this section one finds a list of useful documents for the latest release of the syn1588® Software Suite. The release will be made available to all our source code licensees with an upright maintenance agreement.
OS Support
This document describes in detail the supported operating systems (OS) versions supported by the syn1588® Software Suite.
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Release Overview
This document gives an overview of this and the latest releases of the syn1588® Software Suite
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Release Notes
This document summarizes in detail all release changes of this release of the syn1588® Software Suite.
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syn1588® Software Suite Release Notes
Road Map
This document highlights the currently planned road map for our syn1588® Software Suite.
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syn1588® PTP Stack– Ordering & Support
More Information
For additional information on our syn1588® products or a detailed quotation please contact us.
License Options
The syn1588® PTP Stack is available as source code license only. There is a single, one-time license fee. There are no royalties nor project restrictions. Optionally an annual maintenance contract may be ordered as well. Note, other licnesing schemes are available upon request.
Evaluation
The syn1588® PTP Stack can be tested without any cost and risk. We can provide you an evaluation version of the syn1588® PTP Stack whose function is limited to a given amount of time.
Ordering Information
You may directly contact Oregano Systems for a quotation or for placing an order. If required we will forward your order or request for quotation to our regional distributor.
Contact Support
Contact us
contact@oregano.at
PHONE
+43 676 84 31 04 -200
+43 676 84 31 04 -300
ADDRESS
Franzosengraben 8
1030 Vienna
