19.10. lwip_ptp_v2_slave
19.10.1. Overview
This example shows a functionality of PTP V2 Slave
Master communicates with slave via the PTP protocol.
19.10.2. Board Settings
Connect a USB port on PC to the PWR DEBUG port on the development board with a USB Type-C cable
Connect an Ethernet RGMII port or RMII port on a development board with an Ethernet RGMII port or RMII port on another development board
19.10.3. Project Configurations
Ethernet Port Settings: Refer to Ethernet common project settings
Ethernet DHCP Configurations
the configurations in the CMakeLists.txt as follows:
sdk_compile_definitions(-DLWIP_DHCP=0): Disable DHCP feature
sdk_compile_definitions(-DLWIP_DHCP=1): Enable DHCP feature
19.10.4. Run Example
Compiling and Downloading
Running log is shown in the serial terminal as follows:
This is an ethernet demo: PTP V2 Slave LwIP Version: 2.1.2 Enet phy init passed ! Link Status: Down Link Status: Up Link Speed: 1000Mbps Link Duplex: Full duplex IPv4 Address: 192.168.100.11 IPv4 Netmask: 255.255.255.0 IPv4 Gateway: 192.168.100.1 (D 1651074123.993909840) event POWER UP (D 1651074123.997502600) state PTP_INITIALIZING (D 1651074124.001787280) manufacturerIdentity: PTPd;2.0.1 (D 1651074124.006950560) netShutdown (D 1651074124.010272080) netInit (D 1651074124.013374440) initData (D 1651074124.016455720) initTimer (D 1651074124.019601720) initClock (D 1651074124.022784800) state PTP_SLAVE (D 1651074124.026452480) state PTP_SLAVE (D 1651074124.030542480) event MASTER_CLOCK_CHANGED (D 1651074124.035176560) state PTP_UNCALIBRATED (D 1651074145.022257800) setTime: resetting system clock to 1651074145s 22257480ns (D 1651074145.029618800) initClock (D 1651074145.032771360) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074145.041164960) updateClock: offset from master: -20s -640741560ns (D 1651074145.049030320) updateClock: observed drift: 0 (D 1651074146.022215720) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074146.030607960) updateClock: offset from master: 0s -62740ns (D 1651074146.038472200) updateClock: observed drift: -4182 (D 1651074147.022173020) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074147.030572400) updateClock: offset from master: 0s -74250ns (D 1651074147.038430060) updateClock: observed drift: -9132 (D 1651074148.022165680) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074148.030558440) updateClock: offset from master: 0s -86155ns (D 1651074148.038422620) updateClock: observed drift: -14875 (D 1651074149.022161780) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074149.030566320) updateClock: offset from master: 0s -92408ns (D 1651074149.038425520) updateClock: observed drift: -21035 (D 1651074150.022157260) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074150.030543480) updateClock: offset from master: 0s -91184ns (D 1651074150.038401400) updateClock: observed drift: -27113 (D 1651074151.022188300) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074151.030574040) updateClock: offset from master: 0s -83492ns (D 1651074151.038432060) updateClock: observed drift: -32679 (D 1651074152.022195680) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074152.030590380) updateClock: offset from master: 0s -71696ns (D 1651074152.038448800) updateClock: observed drift: -37458 (D 1651074153.022204460) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074153.030589580) updateClock: offset from master: 0s -58398ns (D 1651074153.038446540) updateClock: observed drift: -41351 (D 1651074154.022225420) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074154.030617660) updateClock: offset from master: 0s -45739ns (D 1651074154.038475240) updateClock: observed drift: -44400 (D 1651074155.022231280) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074155.030622340) updateClock: offset from master: 0s -35019ns (D 1651074155.038479320) updateClock: observed drift: -46734 (D 1651074156.022216200) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074156.030599680) updateClock: offset from master: 0s -26790ns (D 1651074156.038456660) updateClock: observed drift: -48520 (D 1651074157.022209360) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074157.030596340) updateClock: offset from master: 0s -20965ns (D 1651074157.038453780) updateClock: observed drift: -49917 (D 1651074158.022215400) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074158.030610660) updateClock: offset from master: 0s -17102ns (D 1651074158.038469560) updateClock: observed drift: -51057 (D 1651074159.022216480) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074159.030613420) updateClock: offset from master: 0s -14591ns (D 1651074159.038481220) updateClock: observed drift: -52029 (D 1651074160.022239220) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074160.030635280) updateClock: offset from master: 0s -12916ns (D 1651074160.038492220) updateClock: observed drift: -52890 (D 1651074161.022236600) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074161.030630460) updateClock: offset from master: 0s -11638ns (D 1651074161.038487360) updateClock: observed drift: -53665 (D 1651074162.022237960) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074162.030627780) updateClock: offset from master: 0s -10479ns (D 1651074162.038484740) updateClock: observed drift: -54363 (D 1651074163.022225960) updateClock: one-way delay averaged (P2P): 0s 0ns (D 1651074163.030616940) updateClock: offset from master: 0s -9329ns (D 1651074163.038473980) updateClock: observed drift: -54984 (D 1651074163.045091880) event MASTER_CLOCK_SELECTED (D 1651074163.049810980) state PTP_SLAVE (D 1651074164.022247500) updateClock: one-way delay averaged (P2P): 0s 580ns (D 1651074164.030643680) updateClock: offset from master: 0s -8425ns (D 1651074164.038501340) updateClock: observed drift: -55545 (D 1651074165.022273420) updateClock: one-way delay averaged (P2P): 0s 580ns (D 1651074165.030673040) updateClock: offset from master: 0s -7312ns (D 1651074165.038530700) updateClock: observed drift: -56032 (D 1651074166.022266140) updateClock: one-way delay averaged (P2P): 0s 580ns (D 1651074166.030668040) updateClock: offset from master: 0s -6126ns (D 1651074166.038528020) updateClock: observed drift: -56440 (D 1651074167.022257640) updateClock: one-way delay averaged (P2P): 0s 580ns (D 1651074167.030654260) updateClock: offset from master: 0s -4993ns (D 1651074167.038514120) updateClock: observed drift: -56772 (D 1651074168.022248260) updateClock: one-way delay averaged (P2P): 0s 575ns (D 1651074168.030650640) updateClock: offset from master: 0s -4004ns (D 1651074168.038507940) updateClock: observed drift: -57038 (D 1651074169.022241420) updateClock: one-way delay averaged (P2P): 0s 572ns (D 1651074169.030641960) updateClock: offset from master: 0s -3188ns (D 1651074169.038500660) updateClock: observed drift: -57250 (D 1651074170.022244560) updateClock: one-way delay averaged (P2P): 0s 572ns (D 1651074170.030641640) updateClock: offset from master: 0s -2560ns (D 1651074170.038498540) updateClock: observed drift: -57420 (D 1651074171.022264540) updateClock: one-way delay averaged (P2P): 0s 572ns (D 1651074171.030662980) updateClock: offset from master: 0s -2096ns (D 1651074171.038520240) updateClock: observed drift: -57559 (D 1651074172.022243100) updateClock: one-way delay averaged (P2P): 0s 572ns (D 1651074172.030629780) updateClock: offset from master: 0s -1754ns (D 1651074172.038486880) updateClock: observed drift: -57675 (D 1651074173.022254420) updateClock: one-way delay averaged (P2P): 0s 571ns (D 1651074173.030659540) updateClock: offset from master: 0s -1503ns (D 1651074173.038516640) updateClock: observed drift: -57775 (D 1651074174.022237580) updateClock: one-way delay averaged (P2P): 0s 571ns (D 1651074174.030639900) updateClock: offset from master: 0s -1307ns (D 1651074174.038497120) updateClock: observed drift: -57862 (D 1651074175.022241580) updateClock: one-way delay averaged (P2P): 0s 571ns (D 1651074175.030633620) updateClock: offset from master: 0s -1139ns (D 1651074175.038490920) updateClock: observed drift: -57937 (D 1651074176.022270480) updateClock: one-way delay averaged (P2P): 0s 568ns (D 1651074176.030673920) updateClock: offset from master: 0s -983ns (D 1651074176.038530780) updateClock: observed drift: -58002 (D 1651074177.022269220) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074177.030671580) updateClock: offset from master: 0s -845ns (D 1651074177.038528440) updateClock: observed drift: -58058 (D 1651074178.022242680) updateClock: one-way delay averaged (P2P): 0s 566ns (D 1651074178.030641980) updateClock: offset from master: 0s -706ns (D 1651074178.038500320) updateClock: observed drift: -58105 (D 1651074179.022261020) updateClock: one-way delay averaged (P2P): 0s 566ns (D 1651074179.030658200) updateClock: offset from master: 0s -586ns (D 1651074179.038515820) updateClock: observed drift: -58144 (D 1651074180.022256820) updateClock: one-way delay averaged (P2P): 0s 565ns (D 1651074180.030653440) updateClock: offset from master: 0s -475ns (D 1651074180.038510900) updateClock: observed drift: -58175 (D 1651074181.022250000) updateClock: one-way delay averaged (P2P): 0s 565ns (D 1651074181.030641080) updateClock: offset from master: 0s -390ns (D 1651074181.038498260) updateClock: observed drift: -58201 (D 1651074182.022252600) updateClock: one-way delay averaged (P2P): 0s 566ns (D 1651074182.030650880) updateClock: offset from master: 0s -328ns (D 1651074182.038507900) updateClock: observed drift: -58222 (D 1651074183.022269260) updateClock: one-way delay averaged (P2P): 0s 566ns (D 1651074183.030672940) updateClock: offset from master: 0s -267ns (D 1651074183.038529720) updateClock: observed drift: -58239 (D 1651074184.022236380) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074184.030636200) updateClock: offset from master: 0s -227ns (D 1651074184.038493180) updateClock: observed drift: -58254 (D 1651074185.022234240) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074185.030627760) updateClock: offset from master: 0s -187ns (D 1651074185.038484580) updateClock: observed drift: -58266 (D 1651074186.022238520) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074186.030635400) updateClock: offset from master: 0s -147ns (D 1651074186.038492340) updateClock: observed drift: -58275 (D 1651074187.022271020) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074187.030664600) updateClock: offset from master: 0s -127ns (D 1651074187.038522300) updateClock: observed drift: -58283 (D 1651074188.022245000) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074188.030645420) updateClock: offset from master: 0s -97ns (D 1651074188.038502200) updateClock: observed drift: -58289 (D 1651074189.022235340) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074189.030629200) updateClock: offset from master: 0s -72ns (D 1651074189.038486060) updateClock: observed drift: -58293 (D 1651074190.022265520) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074190.030664320) updateClock: offset from master: 0s -50ns (D 1651074190.038521340) updateClock: observed drift: -58296 (D 1651074191.022252920) updateClock: one-way delay averaged (P2P): 0s 566ns (D 1651074191.030654880) updateClock: offset from master: 0s -38ns (D 1651074191.038512460) updateClock: observed drift: -58298 (D 1651074192.022234080) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074192.030633120) updateClock: offset from master: 0s -22ns (D 1651074192.038489860) updateClock: observed drift: -58299 (D 1651074193.022255460) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074193.030654560) updateClock: offset from master: 0s -5ns (D 1651074193.038511360) updateClock: observed drift: -58299 (D 1651074194.022275560) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074194.030672260) updateClock: offset from master: 0s 4ns (D 1651074194.038528920) updateClock: observed drift: -58299 (D 1651074195.022240660) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074195.030633860) updateClock: offset from master: 0s 19ns (D 1651074195.038490760) updateClock: observed drift: -58298 (D 1651074196.022239180) updateClock: one-way delay averaged (P2P): 0s 568ns (D 1651074196.030640640) updateClock: offset from master: 0s 15ns (D 1651074196.038497460) updateClock: observed drift: -58297 (D 1651074197.022277320) updateClock: one-way delay averaged (P2P): 0s 568ns (D 1651074197.030676040) updateClock: offset from master: 0s 24ns (D 1651074197.038533180) updateClock: observed drift: -58296 (D 1651074198.022269720) updateClock: one-way delay averaged (P2P): 0s 568ns (D 1651074198.030669140) updateClock: offset from master: 0s 28ns (D 1651074198.038526320) updateClock: observed drift: -58295 (D 1651074199.022242280) updateClock: one-way delay averaged (P2P): 0s 568ns (D 1651074199.030635460) updateClock: offset from master: 0s 30ns (D 1651074199.038498420) updateClock: observed drift: -58293 (D 1651074200.022241120) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074200.030644840) updateClock: offset from master: 0s 21ns (D 1651074200.038505340) updateClock: observed drift: -58292 (D 1651074201.022265680) updateClock: one-way delay averaged (P2P): 0s 567ns (D 1651074201.030662860) updateClock: offset from master: 0s 27ns (D 1651074201.038520000) updateClock: observed drift: -58291