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authorEric S. Raymond <esr@thyrsus.com>2015-04-15 08:14:19 -0400
committerEric S. Raymond <esr@thyrsus.com>2015-04-15 08:14:19 -0400
commit7aa3dbf2a85357baa554f87cdc48e5a3461a7c34 (patch)
tree8e737b260ba672392fa391031aa7c7d6de6fd9ae /gpsmon.xml
parent03d95bbd51ded9f1975c698a02f9c0da3ea505e4 (diff)
downloadgpsd-7aa3dbf2a85357baa554f87cdc48e5a3461a7c34.tar.gz
Make gpsmon's behavor on extended NMEA devices a bit less obscure.
Diffstat (limited to 'gpsmon.xml')
-rw-r--r--gpsmon.xml8
1 files changed, 8 insertions, 0 deletions
diff --git a/gpsmon.xml b/gpsmon.xml
index 876b486f..c1370937 100644
--- a/gpsmon.xml
+++ b/gpsmon.xml
@@ -61,6 +61,14 @@ particular, this tool does not do any interpolation or modeling
to derive climb/sink or error estimates. Nor does it discard
altitude reports when the fix quality is too low.</para>
+<para>Unlike <application>gpsd</application>,
+<application>gpsmon</application> never writes control or probe
+strings to the device unless you explicitly tell it to. Thus, while
+it will auto-sync to binary packet types, it won't automatically
+reecognize a device shipping an extended NMEA protocol as anything
+other than a plain NMEA device. Use the <option>-t</option> option or
+the <command>t</command> to work around this.</para>
+
<para><application>gpsmon</application> is a designed to run in a
terminal emulator with a minimum 25x80 size; the non-GUI interface is
a design choice made to accommodate users operating in constrained