Wi-Fi R-Mesh Function Verification

This section demonstrates how to establish an R-Mesh network and achieve data communication between nodes. This example will help you become familiar with the basic usage of R-Mesh.

Please first enable R-Mesh and Socket according to the instructions in SDK Configuration , then compile and flash the firmware.

Gravitation(Visualization Tool)

To visually display R-Mesh node topology, we provide the Gravitation tool. Please refer to Gravitation for configuration.

Join the Network

  • Method 1: Use ATCMD to add all nodes to the network.

AT+WLCONN=ssid,rmesh_test,pw,12345678

  • Method 2: Use RPP (R-mesh Provision Protocol) to join network. Please refer to ZRPP

Topology Display

After joining the network, nodes automatically send information to the Gravitation tool. The following figure shows 4 nodes successfully connected to the AP.

Basic information appears above each node is: MAC_Addr[5]:IP(update_time).

Example: The node in the top-left corner shows: 1A:192.168.2.102(2:26) which means:

  • MAC Address: XX:XX:XX:XX:0x1A

  • IP Address: 192.168.2.102

../../_images/rmesh_tool_nodes_connect_ap.png

For more details, please refer to Gravitation .

Note

While the tool displays node connection relationships, it cannot reflect physical locations. You may:

  • Disable Auto Layout in the bottom-right corner

  • Manually drag nodes to match their real-world positions

Switch Verification

To verify switch behavior:

  • Physically move two nodes away from the AP (e.g., node 62 and node 6D shown on the right)

  • Observe that node 6D automatically switches its connection to node 62 when AP’s RSSI is worse than node 62

../../_images/rmesh_tool_nodes_switch.png

Communication Verification

  • Method 1: Execute the Ping command on any node

AT+PING=192.168.2.102

  • Method 2: Use Gravitation Tool’s Ping Test Function

The tool conveniently initiates ping tests for all nodes:

../../_images/rmesh_tool_ping.png

Ping log appears above each node is: Ping: Successful packets/Failed packets - Packet loss rate/RTT

Example: The node in the down-left corner shows: P:29/2-6.5%/20 which means:

  • 29 successful packets

  • 2 failed packets

  • 6.5% packet loss rate

  • RTT of 20 ms