pub unsafe extern "C" fn esp_wifi_set_vendor_ie_cb(
    cb: Option<unsafe extern "C" fn(_: *mut c_void, _: u32, _: *const u8, _: *const vendor_ie_data_t, _: i32)>,
    ctx: *mut c_void
) -> i32
Expand description

@brief Register Vendor-Specific Information Element monitoring callback.

@param cb Callback function @param ctx Context argument, passed to callback function.

@return

  • ESP_OK: succeed
  • ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init