# lwip_ping_freertos_socket

## Overview

This example shows the usage of ping  on FreeRTOS.

- MCU pings the specified network device( Enter IP or URL)

## 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 port on PC to a RGMII port or a RMII port on the development board with an Ethernet cable

## 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: Ping With Socket API On FreeRTOS
  LwIP Version: 2.1.2
  Enet phy init passed !
  Link Status: Down
  Link Status: Up
  Link Speed:  1000Mbps
  Link Duplex: Full duplex
  DHCP State: SELECTING
  DHCP State: CHECKING
  DHCP State: BOUND
  IPv4 Address: 192.168.11.25
  IPv4 Netmask: 255.255.255.0
  IPv4 Gateway: 192.168.11.254
  Please enter a target name(IP or URL):
  ```

- Enter an IP or URL, and then press "Enter" to confirm

  ```console
  www.hpmicro.com
  ```

- View log:

  ```console
  Pinging www.hpmicro.com [47.108.71.172] ..................
  from 47.108.71.172 bytes=60 icmp_seq=0 ttl=48 time=33 ms
  from 47.108.71.172 bytes=60 icmp_seq=1 ttl=48 time=33 ms
  from 47.108.71.172 bytes=60 icmp_seq=2 ttl=48 time=33 ms
  from 47.108.71.172 bytes=60 icmp_seq=3 ttl=48 time=33 ms
  ```