+/* ao_aes.c */
+
+__xdata uint8_t ao_aes_mutex;
+
+/* AES keys and blocks are 128 bits */
+
+enum ao_aes_mode {
+ ao_aes_mode_cbc_mac
+};
+
+#if HAS_AES
+void
+ao_aes_isr(void) __interrupt 4;
+#endif
+
+void
+ao_aes_set_mode(enum ao_aes_mode mode);
+
+void
+ao_aes_set_key(__xdata uint8_t *in);
+
+void
+ao_aes_zero_iv(void);
+
+void
+ao_aes_run(__xdata uint8_t *in,
+ __xdata uint8_t *out);
+
+void
+ao_aes_init(void);
+
+/* ao_radio_cmac.c */
+
+int8_t
+ao_radio_cmac_send(__xdata void *packet, uint8_t len) __reentrant;
+
+#define AO_RADIO_CMAC_OK 0
+#define AO_RADIO_CMAC_LEN_ERROR -1
+#define AO_RADIO_CMAC_CRC_ERROR -2
+#define AO_RADIO_CMAC_MAC_ERROR -3
+#define AO_RADIO_CMAC_TIMEOUT -4
+
+int8_t
+ao_radio_cmac_recv(__xdata void *packet, uint8_t len, uint16_t timeout) __reentrant;
+
+void
+ao_radio_cmac_init(void);
+
+/* ao_launch.c */
+
+struct ao_launch_command {
+ uint16_t tick;
+ uint16_t serial;
+ uint8_t cmd;
+ uint8_t channel;
+ uint16_t unused;
+};
+
+#define AO_LAUNCH_QUERY 1
+
+struct ao_launch_query {
+ uint16_t tick;
+ uint16_t serial;
+ uint8_t channel;
+ uint8_t valid;
+ uint8_t arm_status;
+ uint8_t igniter_status;
+};
+
+#define AO_LAUNCH_ARM 2
+#define AO_LAUNCH_FIRE 3
+
+void
+ao_launch_init(void);
+