Dynon Avionics SkyView Classic - DYNON ADAHRS Serial Data Format

Appendix E: Serial Data Output
25-2 SkyView System Installation Guide - Revision AA
DYNON ADAHRS Serial Data Format
The following section details the format of DYNON ADAHRS serial output data:
Position
Width
Name
Description
1
1
Start
Character/Data
Type
'!'
2
1
Data Type
1 = ADAHRS data. Other Dynon Avionics
formats look similar, and may be interleaved.
This bit tells you what kind of data will follow.
3
1
Data Version
Currently 1. This is the version of the data
represented below and will change if there is a
future version that changes data. Has not
changed to date.
4
8
System Time
HHMMSSFF, current Zulu time according to
SkyView's internal clock which is synchronized
with GPS time if GPS is available. HH is the hour
from 00 to 23. MM is the minute from 00 to 59.
SS is the second from 00 to 59. HHMMSS are '--
------' if GPS time has never been available. FF is
the 1/16-second fraction counter from 00 to
15, and may skip digits if baud rate is too low to
send data at 16Hz.
12
4
Pitch (deg)
+/- then 000 to 900, pitch up or down from
level flight in degrees * 10 (900 = 90°), positive
meaning the aircraft is pitched up. XXXX when
not available.
16
5
Roll (deg)
+/- then 0000 to 1800, roll left or right from
level flight in degrees * 10 (1800 = 180°),
positive meaning the aircraft is banked right.
XXXXX when not available.
21
3
Magnetic Heading
(deg)
000 to 359 in degrees. XXX when not available.
24
4
Indicated Airspeed
(knots)
0000 to 9999, indicated airspeed in units of
knots * 10 (1234 = 123.4 knots). XXXX when not
available.
28
6
Pressure Altitude
(ft.)
+/- then 00000 to 99999, altitude in units of
feet, at a baro setting of 29.92" Hg, positive
meaning altitude is above sea-level. XXXXXX
when not available.