Function esp_idf_svc::sys::esp_now_unregister_recv_cb
source ยท pub unsafe extern "C" fn esp_now_unregister_recv_cb() -> i32
Expand description
@brief Unregister callback function of receiving ESPNOW data
@return - ESP_OK : succeed - ESP_ERR_ESPNOW_NOT_INIT : ESPNOW is not initialized