Type Definition esp_idf_bindgen::system_event_cb_t

type system_event_cb_t = Option<unsafe extern "C" fn(ctx: *mut c_void, event: *mut system_event_t) -> esp_err_t>;

@brief Application specified event callback function

@note This API is part of the legacy event system. New code should use event library API in esp_event.h

@param ctx reserved for user @param event event type defined in this file

@return

• ESP_OK: succeed
• others: fail