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| author | Eric S. Raymond <esr@thyrsus.com> | 2011-04-21 02:10:37 -0400 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2011-04-21 02:10:37 -0400 |
| commit | 9fa0d5a5f41dd298d73051458189536dfe8f4ccd (patch) | |
| tree | db8c47b8f8a14dd4200bdf4714ad5f862290fbe8 /devtools/ais.py | |
| parent | d997f1d753e4768b1ba38edc2f3188c0e7842f16 (diff) | |
| download | gpsd-9fa0d5a5f41dd298d73051458189536dfe8f4ccd.tar.gz | |
Explain some limitations.
Diffstat (limited to 'devtools/ais.py')
| -rwxr-xr-x | devtools/ais.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/devtools/ais.py b/devtools/ais.py index 37d38330..8b032612 100755 --- a/devtools/ais.py +++ b/devtools/ais.py @@ -16,7 +16,9 @@ # addressed field is located *after* the variant parts. Grrrr... # * Message type 26 is presently unsupported. It hasn't been observed # in the wild yet as of Jan 2010; not a lot of point in trying util -# we have test data. +# we have test data. We'd need new machinery to constrain how many +# bits the data spec eats in order to recover the radio bits after it. +# * No support for IMO236 and IMO289 special messages in types 6 and 8 yet. # # Decoding for 1-15, 18-21, and 24 have been tested against live data. # Decoding for 16-17, 22-23, and 25-27 have not. @@ -669,8 +671,7 @@ type25 = ( bitfield("data", None, 'raw', None, "Data"), ) -# No type 26 handling yet, we'd need new machinery to constrain how many -# bits the data spec eats in order to recover the radio bits after it. +# No type 26 handling yet, type27 = ( bitfield("accuracy", 1, 'unsigned', None, "Position Accuracy"), |