Chapter 2. API Reference
MESH_REASON_LEAF
the connected device is changed to a leaf
MESH_REASON_DIFF_ID
in different mesh ID
MESH_REASON_ROOTS
root conflict is detected
MESH_REASON_PARENT_STOPPED
parent has stopped the mesh
MESH_REASON_SCAN_FAIL
scan fail
MESH_REASON_IE_UNKNOWN
unknown IE
MESH_REASON_WAIVE_ROOT
waive root
MESH_REASON_PARENT_WORSE
parent with very poor RSSI
MESH_REASON_EMPTY_PASSWORD
use an empty password to connect to an encrypted parent
MESH_REASON_PARENT_UNENCRYPTED
connect to an unencrypted parent/router
enum esp_mesh_topology_t
Mesh topology.
Values:
MESH_TOPO_TREE
tree topology
MESH_TOPO_CHAIN
chain topology
enum mesh_event_toDS_state_t
The reachability of the root to a DS (distribute system)
Values:
MESH_TODS_UNREACHABLE
the root isn’t able to access external IP network
MESH_TODS_REACHABLE
the root is able to access external IP network
Wi-Fi Easy Connect
TM
(DPP)
Wi-Fi Easy Connect
TM
, also known as Device Provisioning Protocol (DPP) or Easy Connect, is a provisioning pro-
tocol certified by Wi-Fi Alliance. It is a secure and standardized provisioning protocol for configuration of Wi-Fi
Devices. With Easy Connect adding a new device to a network is as simple as scanning a QR Code. This reduces
complexity and enhances user experience while onboarding devices without UI like Smart Home and IoT products.
Unlike old protocols like WiFi Protected Setup (WPS), Wi-Fi Easy Connect incorporates strong encryption through
public key cryptography to ensure networks remain secure as new devices are added. Easy Connect brings many
benefits in the User Experience:
• Simple and intuitive to use; no lengthy instructions to follow for new device setup
• No need to remember and enter passwords into the device being provisioned
• Works with electronic or printed QR codes, or human-readable strings
• Supports both WPA2 and WPA3 networks
Espressif Systems 167
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