diff options
| author | Keith Packard <keithp@keithp.com> | 2014-07-10 17:07:48 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2014-07-10 17:35:44 -0700 |
| commit | 34d5be68ca23e8beb05db9a480faef63ecc911d0 (patch) | |
| tree | bcf27108a1680f6c081f583f25b831fc192ac256 /src/kernel/ao_log.h | |
| parent | 0d044af0c5025a63026d05adcab68f265f179668 (diff) | |
altos: Extend GPS altitudes to at least 24 bits everywhere
Telemetry gets a special 'mode' flag indicating that 24-bit data is
present; log files get new data and log readers are expected to detect
that via the firmware version number.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/kernel/ao_log.h')
| -rw-r--r-- | src/kernel/ao_log.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/src/kernel/ao_log.h b/src/kernel/ao_log.h index 33cda3eb..080cfb02 100644 --- a/src/kernel/ao_log.h +++ b/src/kernel/ao_log.h @@ -176,8 +176,8 @@ struct ao_log_record { int32_t gps_latitude; int32_t gps_longitude; struct { - int16_t altitude; - uint16_t unused; + uint16_t altitude_low; + int16_t altitude_high; } gps_altitude; struct { uint16_t svid; @@ -246,7 +246,7 @@ struct ao_log_mega { struct { int32_t latitude; /* 4 */ int32_t longitude; /* 8 */ - int16_t altitude; /* 12 */ + uint16_t altitude_low; /* 12 */ uint8_t hour; /* 14 */ uint8_t minute; /* 15 */ uint8_t second; /* 16 */ @@ -261,7 +261,8 @@ struct ao_log_mega { uint8_t hdop; /* 27 */ uint8_t vdop; /* 28 */ uint8_t mode; /* 29 */ - } gps; /* 30 */ + int16_t altitude_high; /* 30 */ + } gps; /* 32 */ /* AO_LOG_GPS_SAT */ struct { uint16_t channels; /* 4 */ @@ -273,6 +274,11 @@ struct ao_log_mega { } u; }; +#define AO_LOG_MEGA_GPS_ALTITUDE(l) ((int32_t) ((l)->u.gps.altitude_high << 16) | ((l)->u.gps.altitude_low)) +#define AO_LOG_MEGA_SET_GPS_ALTITUDE(l,a) (((l)->u.gps.mode |= AO_GPS_MODE_ALTITUDE_24), \ + ((l)->u.gps.altitude_high = (a) >> 16), \ + (l)->u.gps.altitude_low = (a)) + struct ao_log_metrum { char type; /* 0 */ uint8_t csum; /* 1 */ @@ -306,8 +312,9 @@ struct ao_log_metrum { struct { int32_t latitude; /* 4 */ int32_t longitude; /* 8 */ - int16_t altitude; /* 12 */ - } gps; /* 14 */ + uint16_t altitude_low; /* 12 */ + int16_t altitude_high; /* 14 */ + } gps; /* 16 */ /* AO_LOG_GPS_TIME */ struct { uint8_t hour; /* 4 */ @@ -381,7 +388,7 @@ struct ao_log_gps { struct { int32_t latitude; /* 4 */ int32_t longitude; /* 8 */ - int16_t altitude; /* 12 */ + uint16_t altitude_low; /* 12 */ uint8_t hour; /* 14 */ uint8_t minute; /* 15 */ uint8_t second; /* 16 */ @@ -396,7 +403,7 @@ struct ao_log_gps { uint8_t hdop; /* 27 */ uint8_t vdop; /* 28 */ uint8_t mode; /* 29 */ - uint8_t state; /* 30 */ + int16_t altitude_high; /* 30 */ } gps; /* 31 */ /* AO_LOG_GPS_SAT */ struct { |