Function esp_idf_sys::esp_now_unregister_recv_cb

source · 
pub unsafe extern "C" fn esp_now_unregister_recv_cb() -> esp_err_t
Expand description

@brief Unregister callback function of receiving ESPNOW data

@return - ESP_OK : succeed - ESP_ERR_ESPNOW_NOT_INIT : ESPNOW is not initialized