+#endif
+
+/*
+ * ao_spi.c
+ */
+
+void
+ao_spi_send(void __xdata *block, uint16_t len) __reentrant;
+
+void
+ao_spi_recv(void __xdata *block, uint16_t len) __reentrant;
+
+void
+ao_spi_init(void);
+
+/*
+ * ao_telemetry.c
+ */
+#define AO_MAX_CALLSIGN 8
+#define AO_MAX_VERSION 8
+#define AO_MAX_TELEMETRY 128
+
+struct ao_telemetry_generic {
+ uint16_t serial; /* 0 */
+ uint16_t tick; /* 2 */
+ uint8_t type; /* 4 */
+ uint8_t payload[27]; /* 5 */
+ /* 32 */
+};
+
+#define AO_TELEMETRY_SENSOR_TELEMETRUM 0x01
+#define AO_TELEMETRY_SENSOR_TELEMINI 0x02
+#define AO_TELEMETRY_SENSOR_TELENANO 0x03
+
+struct ao_telemetry_sensor {
+ uint16_t serial; /* 0 */
+ uint16_t tick; /* 2 */
+ uint8_t type; /* 4 */
+
+ uint8_t state; /* 5 flight state */
+ int16_t accel; /* 6 accelerometer (TM only) */
+ int16_t pres; /* 8 pressure sensor */
+ int16_t temp; /* 10 temperature sensor */
+ int16_t v_batt; /* 12 battery voltage */
+ int16_t sense_d; /* 14 drogue continuity sense (TM/Tm) */
+ int16_t sense_m; /* 16 main continuity sense (TM/Tm) */
+
+ int16_t acceleration; /* 18 m/s² * 16 */
+ int16_t speed; /* 20 m/s * 16 */
+ int16_t height; /* 22 m */
+
+ int16_t ground_pres; /* 24 average pres on pad */
+ int16_t ground_accel; /* 26 average accel on pad */
+ int16_t accel_plus_g; /* 28 accel calibration at +1g */
+ int16_t accel_minus_g; /* 30 accel calibration at -1g */
+ /* 32 */
+};
+
+#define AO_TELEMETRY_CONFIGURATION 0x04
+
+struct ao_telemetry_configuration {
+ uint16_t serial; /* 0 */
+ uint16_t tick; /* 2 */
+ uint8_t type; /* 4 */
+
+ uint8_t device; /* 5 device type */
+ uint16_t flight; /* 6 flight number */
+ uint8_t config_major; /* 8 Config major version */
+ uint8_t config_minor; /* 9 Config minor version */
+ uint16_t apogee_delay; /* 10 Apogee deploy delay in seconds */
+ uint16_t main_deploy; /* 12 Main deploy alt in meters */
+ uint16_t flight_log_max; /* 14 Maximum flight log size in kB */
+ char callsign[AO_MAX_CALLSIGN]; /* 16 Radio operator identity */
+ char version[AO_MAX_VERSION]; /* 24 Software version */
+ /* 32 */
+};
+
+#define AO_TELEMETRY_LOCATION 0x05
+
+#define AO_GPS_MODE_NOT_VALID 'N'
+#define AO_GPS_MODE_AUTONOMOUS 'A'
+#define AO_GPS_MODE_DIFFERENTIAL 'D'
+#define AO_GPS_MODE_ESTIMATED 'E'
+#define AO_GPS_MODE_MANUAL 'M'
+#define AO_GPS_MODE_SIMULATED 'S'
+
+struct ao_telemetry_location {
+ uint16_t serial; /* 0 */
+ uint16_t tick; /* 2 */
+ uint8_t type; /* 4 */
+
+ uint8_t flags; /* 5 Number of sats and other flags */
+ int16_t altitude; /* 6 GPS reported altitude (m) */
+ int32_t latitude; /* 8 latitude (degrees * 10⁷) */
+ int32_t longitude; /* 12 longitude (degrees * 10⁷) */
+ uint8_t year; /* 16 (- 2000) */
+ uint8_t month; /* 17 (1-12) */
+ uint8_t day; /* 18 (1-31) */
+ uint8_t hour; /* 19 (0-23) */
+ uint8_t minute; /* 20 (0-59) */
+ uint8_t second; /* 21 (0-59) */
+ uint8_t pdop; /* 22 (m * 5) */
+ uint8_t hdop; /* 23 (m * 5) */
+ uint8_t vdop; /* 24 (m * 5) */
+ uint8_t mode; /* 25 */
+ uint16_t ground_speed; /* 26 cm/s */
+ int16_t climb_rate; /* 28 cm/s */
+ uint8_t course; /* 30 degrees / 2 */
+ uint8_t unused[1]; /* 31 */
+ /* 32 */
+};
+
+#define AO_TELEMETRY_SATELLITE 0x06
+
+struct ao_telemetry_satellite_info {
+ uint8_t svid;
+ uint8_t c_n_1;
+};
+
+struct ao_telemetry_satellite {
+ uint16_t serial; /* 0 */
+ uint16_t tick; /* 2 */
+ uint8_t type; /* 4 */
+ uint8_t channels; /* 5 number of reported sats */
+
+ struct ao_telemetry_satellite_info sats[12]; /* 6 */
+ uint8_t unused[2]; /* 30 */
+ /* 32 */
+};
+
+union ao_telemetry_all {
+ struct ao_telemetry_generic generic;
+ struct ao_telemetry_sensor sensor;
+ struct ao_telemetry_configuration configuration;
+ struct ao_telemetry_location location;
+ struct ao_telemetry_satellite satellite;
+};