+extern __xdata uint8_t ao_radio_dma;
+extern __xdata uint8_t ao_radio_dma_done;
+extern __xdata uint8_t ao_radio_done;
+extern __xdata uint8_t ao_radio_mutex;
+
+void
+ao_radio_general_isr(void) interrupt 16;
+
+void
+ao_radio_set_telemetry(void);
+
+void
+ao_radio_set_packet(void);
+
+void
+ao_radio_set_rdf(void);
+