- #How to scan wifi channels mac driver
- #How to scan wifi channels mac code
- #How to scan wifi channels mac free
This is especially true when the AP doesn’t exist, and you still try reconnection after ESP32 received disconnect event with the reason code WIFI_REASON_NO_AP_FOUND. If you want to do reconnection after ESP32 received disconnect event, remember to add the maximum retry time, otherwise the called scan will not work. If ESP32 is scanning and connecting at the same time, ESP32 will abort scanning and return a warning message and error number ESP_ERR_WIFI_STATE. The scanning triggered by esp_wifi_start_scan() will not be effective until connection between ESP32 and the AP is established. If the ESP32 is connected to an AP, call esp_wifi_disconnect to disconnect. This API only impact WIFI_MODE_STA or WIFI_MODE_APSTA mode AttentionĢ. This function will reset settings made using the following APIs:Ĭonnect the ESP32 WiFi station to the AP.ġ. Restore WiFi stack persistent settings to default values.
#How to scan wifi channels mac free
Stop WiFi If mode is WIFI_MODE_STA, it stop station and free station control block If mode is WIFI_MODE_AP, it stop soft-AP and free soft-AP control block If mode is WIFI_MODE_APSTA, it stop station/soft-AP and free station/soft-AP control block. Start WiFi according to current configuration If mode is WIFI_MODE_STA, it create station control block and start station If mode is WIFI_MODE_AP, it create soft-AP control block and start soft-AP If mode is WIFI_MODE_APSTA, it create soft-AP and station control block and start soft-AP and station.ĮSP_ERR_WIFI_CONN: WiFi internal error, station or soft-AP control block wrong Įsp_err_t esp_wifi_get_mode ( wifi_mode_t * mode ) ¶ Set the WiFi operating mode as station, soft - AP or station + soft - AP, The default mode is station mode.
#How to scan wifi channels mac driver
This API should be called if you want to remove WiFi driver from the system ReturnĮSP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_initĮsp_err_t esp_wifi_set_mode ( wifi_mode_t mode ) ¶ Please be notified that the field ‘magic’ of wifi_init_config_t should always be WIFI_INIT_CONFIG_MAGIC! ReturnĬonfig: pointer to WiFi initialized configuration structure can point to a temporary variable.ĭeinit WiFi Free all resource allocated in esp_wifi_init and stop WiFi task.ġ. If you want to set your own initial values, overwrite the default values which are set by WIFI_INIT_CONFIG_DEFAULT. Always use WIFI_INIT_CONFIG_DEFAULT macro to initialize the configuration to default values, this can guarantee all the fields get correct value when more fields are added into wifi_init_config_t in future release. This API must be called before all other WiFi API can be called AttentionĢ. Initialize WiFi Allocate resource for WiFi driver, such as WiFi control structure, RX/TX buffer, WiFi NVS structure etc. Functions ¶ esp_err_t esp_wifi_init ( const wifi_init_config_t * config ) ¶
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