# lwip_ptp_v2_master

## Overview

This example shows a functionality of PTP V2 Master

- Master communicates with slave via the PTP protocol.

## 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

## Project Configurations

- Ethernet Port Settings: Refer to [Ethernet common project settings](../../../doc/Ethernet_Common_Project_Settings_en.md)
- 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


## Run Example

- Compiling and Downloading
- Running log is shown in the serial terminal as follows:

  ```console
  This is an ethernet demo: PTP V2 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 1651074124.010746860) event POWER UP
  (D 1651074124.014339620) state PTP_INITIALIZING
  (D 1651074124.018623220) manufacturerIdentity: PTPd;2.0.1
  (D 1651074124.023781780) netShutdown
  (D 1651074124.027104980) netInit
  (D 1651074124.030203300) initData
  (D 1651074124.033282940) initTimer
  (D 1651074124.036426580) initClock
  (D 1651074124.039606060) state PTP_SLAVE
  (D 1651074124.043276300) initClock
(D 1651074124.046417700) state PTP_MASTER
  (D 1651074124.050168420) SYNC INTERVAL TIMER : 1000
  ```