Espressif ESP32-S2 Programming Manual page 152

Chapter 2. API Reference
• Release resources and stop the mesh
Return
• ESP_OK
• ESP_FAIL
esp_err_t esp_mesh_start(void)
Start mesh.
• Initialize mesh IE.
• Start mesh network management service.
• Create TX and RX queues according to the configuration.
• Register mesh packets receive callback.
Attention This API shall be called after mesh initialization and configuration.
Return
• ESP_OK
• ESP_FAIL
• ESP_ERR_MESH_NOT_INIT
• ESP_ERR_MESH_NOT_CONFIG
• ESP_ERR_MESH_NO_MEMORY
esp_err_t esp_mesh_stop(void)
Stop mesh.
• Deinitialize mesh IE.
• Disconnect with current parent.
• Disassociate all currently associated children.
• Stop mesh network management service.
• Unregister mesh packets receive callback.
• Delete TX and RX queues.
• Release resources.
• Restore Wi-Fi softAP to default settings if Wi-Fi dual mode is enabled.
• Set Wi-Fi Power Save type to WIFI_PS_NONE.
Return
• ESP_OK
• ESP_FAIL
esp_err_t esp_mesh_send(const
Send a packet over the mesh network.
• Send a packet to any device in the mesh network.
• Send a packet to external IP network.
Attention This API is not reentrant.
Return
• ESP_OK
• ESP_FAIL
• ESP_ERR_MESH_ARGUMENT
• ESP_ERR_MESH_NOT_START
• ESP_ERR_MESH_DISCONNECTED
• ESP_ERR_MESH_OPT_UNKNOWN
• ESP_ERR_MESH_EXCEED_MTU
• ESP_ERR_MESH_NO_MEMORY
• ESP_ERR_MESH_TIMEOUT
• ESP_ERR_MESH_QUEUE_FULL
• ESP_ERR_MESH_NO_ROUTE_FOUND
• ESP_ERR_MESH_DISCARD
Parameters
• [in] to: the address of the final destination of the packet
– If the packet is to the root, set this parameter to NULL.
Espressif Systems
mesh_addr_t *to, const
mesh_opt_t opt[], int opt_count)
141
Submit Document Feedback
mesh_data_t *data, int flag, const
Release v4.4