14.6. lwip_ping_freertos_socket

14.6.1. Overview

This example shows the usage of ping on FreeRTOS.

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

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

14.6.3. 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

14.6.4. Run Example

Compiling and Downloading

Running log is shown in the serial terminal as follows:

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
```
www.hpmicro.com
```

View log:

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