diff options
Diffstat (limited to 'gpsmon.xml')
-rw-r--r-- | gpsmon.xml | 34 |
1 files changed, 21 insertions, 13 deletions
@@ -91,23 +91,29 @@ in the SiRF firmware.</para> <varlistentry> <term>i</term> <listitem> -<para>Probe subtype. In normal operation, -<application>gpsmon</application> does not send configuration strings -to the device (except for wakeup strings needed to get it to send -data, if any). This command causes it to send the same sequence of -subtype probes that <application>gpsd</application> would. This might -flip the device into another mode; in particular, it will flip a -SiRF chip into binary mode as if you had used the <quote>n</quote> command.</para> -<para></para> +<para>Enable/disable subtype probing and reinitialize the driver. In +normal operation, <application>gpsmon</application> does not send +configuration strings to the device (except for wakeup strings needed +to get it to send data, if any). The command 'i1' causes it to send +the same sequence of subtype probes that +<application>gpsd</application> would. The command 'i0' turns off +probing; 'i' alone toggles the bit. In either case, the current driver +is re-selected; if the probe bit is enabled, probes will begin to be +issued immediately.</para> + +<para>Note that enabling probing might flip the device into another +mode; in particular, it will flip a SiRF chip into binary mode as if +you had used the <quote>n</quote> command. This is due to a +limitation in the SiRF firmware that we can't fix.</para> </listitem> </varlistentry> <varlistentry> <term>n</term> <listitem> -<para>With an argument of 0, switch device to NMEA mode at current -speed; with an argument of 1, change to binary (native) mode. Will -show an error if the device doesn't have such modes.</para> -<para></para> +<para>With an argument of 0, switch device to NMEA mode at current +speed; with an argument of 1, change to binary (native) mode. With no +argument, toggle the setting. Will show an error if the device doesn't +have such modes.</para> <para></para> </listitem> </varlistentry> <varlistentry> @@ -206,7 +212,9 @@ mode. --> <para>This tool used to be called 'sirfmon', and worked only on SiRF devices. It now has support for generic NMEA devices; -support for other device types is a work in progress,</para> +support for other device types is a work in progress. It will behave +sanely, just dumping packets, when connected to a GPS type it knows +nothing about.</para> </refsect1> <refsect1 id='see_also'><title>SEE ALSO</title> |