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View Code? Open in Web Editor NEWopenptp - Precision Time Protocol implementation http://en.wikipedia.org/wiki/Precision_Time_Protocol
License: Other
openptp - Precision Time Protocol implementation http://en.wikipedia.org/wiki/Precision_Time_Protocol
License: Other
Openptp is an opensource implementation of the Precision Time Protocol (PTP) version 2 [IEEE STD1588-2008]. 1. Compilation run "make" in top directory 2. Installation run "make install" in top directory 3. Configuration Configuration is set in ptp_config.xml. A sample file can be found from top directory. XML schema can be found from ptp_config.xsd. Configurable parameters: - <debug>: commanline debugging on/off (1/0) - <custom_clk_if>: custom clock interface on/off (1/0) (used currently to control multicast loopback used for timestamping) - <clock_status_file>: enable/disable (1/0) debug file generation to /tmp (ptp_state.txt: master/slave, ptp_debug.txt: clock adjustment status in slave) - <Interface>: enable/disable interfaces, multiple entries supported. - enable multicast on eth0: <Interface name="eth0"> <multicast>1</multicast> </Interface> - enable unicast only on eth1: <Interface name="eth1"> <multicast>0</multicast> <unicast>10.1.2.3</unicast> <unicast>10.1.2.5</unicast> </Interface> - <one_step_clock>: enable unicast mode, HW SUPPORT REQUIRED! - <Clock>: Clock configurations, see standard and ptp_config.c for possible values. - <Intervals>: message rates, in power of 2, see standard (e.g. -4 means 16 messages per second) 4. Execution run "openptp ptp_config.xml" Features included: - Ordinary clock - Boundary clock - BMC alogorithm - Asymmetry corrections - Adjustable message transmission intervals - Support for domains - Timescale PTP - Layer 3, UDP IPv4 - Unicast transmission Features not included currently: - End-to-end transparent clock - Peer-to-peer transparent clock - Management node - PTP variance support - Unicast negotiation - Unicast discovery - Security protocol
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