Changes between Version 1 and Version 2 of Yocto/GPS


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Timestamp:
01/09/2018 10:17:03 PM (7 years ago)
Author:
Tim Harvey
Comment:

convert restored html to wiki markup

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  • Yocto/GPS

    v1 v2  
    1 {{{#!html
    2           <div id="wikipage" class="trac-content"><p>
    3 </p><div class="wiki-toc">
    4 <ol>
    5   <li>
    6     <a href="#Goal">Goal</a>
    7   </li>
    8   <li>
    9     <a href="#GPS"><b style="color:#000;background:#66ffff">GPS</b></a>
    10   </li>
    11 </ol>
    12 </div><p>
    13 </p>
    14 <p>
    15 Please visit <a class="wiki" href="/wiki/gps">this page</a> for an overview of <b style="color:#000;background:#66ffff">GPS</b> and hardware mappings for your particular SBC.
    16 </p>
    17 <h1 id="Goal">Goal</h1>
    18 <p>
    19 The goal of this page is to detail <b style="color:#000;background:#66ffff">GPS</b> usage on the <b style="color:#000;background:#ffff66">Yocto</b> BSP.
    20 </p>
    21 <h1 id="GPS"><b style="color:#000;background:#66ffff">GPS</b></h1>
    22 <p>
    23 <tt>gpsd</tt> is the daemon service that Gateworks recommends (and is preinstalled) in order to communicate effectively with an optionally loaded <b style="color:#000;background:#66ffff">GPS</b> module. There exist several clients that can talk to <tt>gpsd</tt> such as <tt>xgps</tt>.
    24 </p>
    25 <p>
    26 <tt>gpsd</tt> runs as a service in our <b style="color:#000;background:#ffff66">Yocto</b> BSPs. By default, we have opted to disable starting it on boot so it does not 'stomp' on another processes TTY device.
    27 </p>
    28 <p>
    29 In order to configure and enable <tt>gpsd</tt>, you will have to touch the <tt>/etc/default/gpsd</tt> file and enable the <a class="wiki" href="/wiki/Yocto/GPS#Yocto/service">service</a>. The default configuration is as follows:
    30 </p>
    31 <div class="code"><pre>root@ventana:~# cat /etc/default/gpsd
    32 <span class="c"># If you must specify a non-NMEA driver, uncomment and modify the next line
    33 </span><span class="nv">GPSD_SOCKET</span><span class="o">=</span><span class="s2">"/var/run/gpsd.sock"</span>
    34 <span class="nv">GPSD_OPTIONS</span><span class="o">=</span><span class="s2">""</span>
    35 <span class="nv"><b style="color:#000;background:#66ffff">GPS</b>_DEVICES</span><span class="o">=</span><span class="s2">""</span>
    36 </pre></div><p>
    37 <tt><b style="color:#000;background:#66ffff">GPS</b>_DEVICES</tt> and <tt>GPSD_OPTIONS</tt> should be set to the device you would like <tt>gpsd</tt> to monitor. For example, on a GW400:
    38 </p>
    39 <div class="code"><pre><span class="nv">GPSD_SOCKET</span><span class="o">=</span><span class="s2">"/var/run/gpsd.sock"</span>
    40 <span class="nv">GPSD_OPTIONS</span><span class="o">=</span><span class="s2">"-b -n"</span>
    41 <span class="nv"><b style="color:#000;background:#66ffff">GPS</b>_DEVICES</span><span class="o">=</span><span class="s2">"/dev/ttymxc4"</span>
    42 </pre></div><p>
    43 To enable <tt>gpsd</tt> on boot, please execute the following:
    44 </p>
    45 <div class="code"><pre>root@ventana:~# update-rc.d gpsd start 35 5 .
    46  Adding system startup <span class="k">for</span> /etc/init.d/gpsd.
    47 </pre></div><p>
    48 For more information, please visit <a class="wiki" href="/wiki/gps">this page</a>.
    49 </p>
     1[[PageOutline]]
     2
     3Please visit this page for an overview of GPS and hardware mappings for your particular SBC.
     4
     5The goal of this page is to detail GPS usage on the Yocto BSP.
     6
     7= GPS =
     8{{{gpsd}}} is the daemon service that Gateworks recommends (and is preinstalled) in order to communicate effectively with an optionally loaded GPS module. There exist several clients that can talk to {{{gpsd}}} such as {{{xgps}}}.
     9
     10{{{gpsd}}} runs as a service in our Yocto BSPs. By default, we have opted to disable starting it on boot so it does not 'stomp' on another processes TTY device.
     11
     12In order to configure and enable {{{gpsd}}}, you will have to touch the {{{/etc/default/gpsd}}} file and enable the service. The default configuration is as follows:
     13{{{#!bash
     14root@ventana:~# cat /etc/default/gpsd
     15# If you must specify a non-NMEA driver, uncomment and modify the next line
     16GPSD_SOCKET="/var/run/gpsd.sock"
     17GPSD_OPTIONS=""
     18GPS_DEVICES=""
    5019}}}
     20
     21{{{GPS_DEVICES}}} and {{{GPSD_OPTIONS}}} should be set to the device you would like gpsd to monitor. For example, on a GW400:
     22{{{#!bash
     23GPSD_SOCKET="/var/run/gpsd.sock"
     24GPSD_OPTIONS="-b -n"
     25GPS_DEVICES="/dev/ttymxc4"
     26}}}
     27
     28To enable {{{gpsd}}} on boot, please execute the following:
     29{{{#!bash
     30root@ventana:~# update-rc.d gpsd start 35 5 .
     31 Adding system startup for /etc/init.d/gpsd.
     32}}}
     33
     34For more information, please visit [wiki:gps the gps page].