+struct ao_log_metrum {
+ char type; /* 0 */
+ uint8_t csum; /* 1 */
+ uint16_t tick; /* 2 */
+ union { /* 4 */
+ /* AO_LOG_FLIGHT */
+ struct {
+ uint16_t flight; /* 4 */
+ int16_t ground_accel; /* 6 */
+ uint32_t ground_pres; /* 8 */
+ uint32_t ground_temp; /* 12 */
+ } flight; /* 16 */
+ /* AO_LOG_STATE */
+ struct {
+ uint16_t state; /* 4 */
+ uint16_t reason; /* 6 */
+ } state; /* 8 */
+ /* AO_LOG_SENSOR */
+ struct {
+ uint32_t pres; /* 4 */
+ uint32_t temp; /* 8 */
+ int16_t accel; /* 12 */
+ } sensor; /* 14 */
+ /* AO_LOG_TEMP_VOLT */
+ struct {
+ int16_t v_batt; /* 4 */
+ int16_t sense_a; /* 6 */
+ int16_t sense_m; /* 8 */
+ } volt; /* 10 */
+ /* AO_LOG_GPS_POS */
+ struct {
+ int32_t latitude; /* 4 */
+ int32_t longitude; /* 8 */
+ int16_t altitude; /* 12 */
+ } gps; /* 14 */
+ /* AO_LOG_GPS_TIME */
+ struct {
+ uint8_t hour; /* 4 */
+ uint8_t minute; /* 5 */
+ uint8_t second; /* 6 */
+ uint8_t flags; /* 7 */
+ uint8_t year; /* 8 */
+ uint8_t month; /* 9 */
+ uint8_t day; /* 10 */
+ uint8_t pad; /* 11 */
+ } gps_time; /* 12 */
+ /* AO_LOG_GPS_SAT (up to three packets) */
+ struct {
+ uint8_t channels; /* 4 */
+ uint8_t more; /* 5 */
+ struct {
+ uint8_t svid;
+ uint8_t c_n;
+ } sats[4]; /* 6 */
+ } gps_sat; /* 14 */
+ uint8_t raw[12]; /* 4 */
+ } u; /* 16 */
+};
+
+struct ao_log_mini {
+ char type; /* 0 */
+ uint8_t csum; /* 1 */
+ uint16_t tick; /* 2 */
+ union { /* 4 */
+ /* AO_LOG_FLIGHT */
+ struct {
+ uint16_t flight; /* 4 */
+ uint16_t r6;
+ uint32_t ground_pres; /* 8 */
+ } flight;
+ /* AO_LOG_STATE */
+ struct {
+ uint16_t state; /* 4 */
+ uint16_t reason; /* 6 */
+ } state;
+ /* AO_LOG_SENSOR */
+ struct {
+ uint8_t pres[3]; /* 4 */
+ uint8_t temp[3]; /* 7 */
+ int16_t sense_a; /* 10 */
+ int16_t sense_m; /* 12 */
+ int16_t v_batt; /* 14 */
+ } sensor; /* 16 */
+ } u; /* 16 */
+}; /* 16 */
+
+#define ao_log_pack24(dst,value) do { \
+ (dst)[0] = (value); \
+ (dst)[1] = (value) >> 8; \
+ (dst)[2] = (value) >> 16; \
+ } while (0)
+