13.6. lwip_ptp_v1_master

13.6.1. Overview

This example shows a functionality of PTP V1 Master

  • Master communicates with slave via the PTP protocol.

13.6.2. 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

13.6.3. 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

13.6.4. Run Example

  • Compiling and Downloading

  • Running log is shown in the serial terminal as follows:

    This is an ethernet demo: PTP V1 Master
LwIP Version: 2.1.2
Enet phy init passed !
Link Status: Up
Link Speed:  1000Mbps
Link Duplex: Full duplex
IPv4 Address: 192.168.100.10
IPv4 Netmask: 255.255.255.0
IPv4 Gateway: 192.168.100.1
(D 1651074124.010753180) event POWER UP
(D 1651074124.014336740) initClock
(D 1651074124.017499900) state PTP_INITIALIZING
(D 1651074124.021785540) manufacturerIdentity: PTPd;1.0.1
(D 1651074124.026943940) netShutdown
(D 1651074124.030266580) netInit
(D 1651074124.033355900) initData
(D 1651074124.036429900) initTimer
(D 1651074124.039572540) initClock
(D 1651074124.042730740) sync message interval: 1000
(D 1651074124.047452300) clock identifier: DFLT
(D 1651074124.051735060) 256*log2(clock variance): -4000
(D 1651074124.056798180) clock stratum: 4
(D 1651074124.060553660) clock preferred?: no
(D 1651074124.064655900) bound interface name:
(D 1651074124.068934340) communication technology: 1
(D 1651074124.073648380) uuid: cc:00:00:00:80:85
(D 1651074124.078024060) PTP subdomain name: _DFLT
(D 1651074124.082563780) subdomain address: 224.0.1.129
(D 1651074124.087540660) event port address: 3f 1
(D 1651074124.091993740) general port address: 40 1
(D 1651074124.096623660) initClock
(D 1651074124.099763180) state PTP_LISTENING
(D 1651074124.103781220) initClock
(D 1651074124.106920900) state PTP_MASTER