uint8_t wireless_send_frame(uint8_t* frame, uint16_t length) {
	uint8_t result;

	// rendi il task non interrompibile (la trasmissione non deve essere interrotta dallo scheduler)
	vTaskSuspendAll();

	TM_NRF24L01_SendPacket(frame, length);

	// riabilita lo scheduling
	xTaskResumeAll();

	return result;
}