+= caget
This commit is contained in:
Ralph Lange
@@ -4,6 +4,10 @@
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<title>EPICS R3.14 Channel Access Reference Manual</title>
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<link href="CommandTools">
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<link href="#CommandTools">
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<style type="text/css">
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</style>
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</head>
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<body lang="en" bgcolor="#FFFFFF">
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@@ -56,7 +60,7 @@ height="31" width="88"></a></p>
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<li><a href="#Configurin2">Configuring a CA server</a></li>
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</ul>
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<h3><a href="#Command">Command Line Utilities</a></h3>
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<h3><a href="#CommandUtils">Command Line Utilities</a></h3>
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<ul>
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<li><a href="#acctst">acctst - CA client library regression test</a></li>
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<li><a href="#caEventRat">caEventRate - PV event rate logging</a></li>
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@@ -66,6 +70,20 @@ height="31" width="88"></a></p>
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data type to the console</a></li>
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</ul>
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<h3 style=""><a href="#CommandTools">Command Line Tools <span
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style="color: #FF5F00">(under development)</span></a></h3>
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<ul style="">
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<li><a href="#caget">caget - Get and print value for PVs</a></li>
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<li><a href="#camonitor">camonitor - Set up monitor and continuously print
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incoming values for PVs <span style="color: #FF5F00">(not implemented
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yet)</span></a></li>
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<li><a href="#caput">caput - Put value to a PV <span
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style="color: #FF5F00">(not implemented yet)</span></a></li>
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<li><a href="#cainfo">cainfo - Print all available channel status and
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information for a PV <span style="color: #FF5F00">(not implemented
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yet)</span></a></li>
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</ul>
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<h3><a href="#Troublesho">Troubleshooting</a></h3>
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<ul>
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<li><a href="#When">When Clients Do Not Connect to Their Server</a>
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@@ -735,7 +753,7 @@ implemet this feature.</em></p>
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<p>See also <a href="#Routing">Routing Restrictions on vxWorks
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Systems</a>.</p>
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<h2><a name="Command">Command Line Utilities</a></h2>
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<h2><a name="CommandUtils">Command Line Utilities</a></h2>
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<h3><a name="acctst">acctst</a></h3>
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<pre>acctst <PV name> [progress logging level] [channel duplication count]
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@@ -810,6 +828,262 @@ of the PV is converted to each of the many external data type that can be
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specified at the CA client library interface, and each of these is formated
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and then output to the console.</p>
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<h2><a name="CommandTools">Command Line Tools <span
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style="color: #FF5F00">(under development)</span></a></h2>
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<p><span style="color: #FF5F00">Note: The CA Command Line Tools are currently
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under development. Thus only the first of the tools is included in EPICS Base
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R3.14.5, while the others are still being worked on. These tools have not yet
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proven to be stable and reliable. The user interface might still change, so
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please be careful relying on these early versions in scripts and other
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crucial places. Please report any bugs or unexpected behaviour to the author:
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Ralph.Lange@bessy.de</span></p>
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<h3><a name="caget">caget</a></h3>
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<pre>caget [options] <PV name> ...</pre>
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<h4>Description</h4>
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<p>Get and print value for PV(s).</p>
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<p>The values for one or multiple PVs are read and printed to stdout. The
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DBR_... format in which the data is read, the output format, and a number of
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details of how integer and float values are represented can be controlled
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using command line options.</p>
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<table border="1">
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<caption></caption>
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<thead>
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<tr>
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<th>Option</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><p>-h</p>
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</td>
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<td>Print usage information</td>
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</tr>
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<tr>
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<td></td>
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<td></td>
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</tr>
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<tr>
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<td>-w <sec></td>
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<td>Wait time, specifies longer CA timeout, default is 1.0 second</td>
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</tr>
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<tr>
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<td>-c</td>
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<td>Asynchronous get (use ca_get_callback instead of ca_get)</td>
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</tr>
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<tr>
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<td></td>
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<td>Format options:</td>
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</tr>
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<tr>
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<td></td>
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<td>Default output format is "name value"</td>
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</tr>
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<tr>
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<td>-t</td>
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<td>Terse mode - print only value, without name</td>
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</tr>
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<tr>
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<td>-a</td>
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<td>Wide mode "name timestamp value stat sevr" (read PVs as
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DBR_TIME_xxx)</td>
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</tr>
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<tr>
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<td>-n</td>
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<td>Print DBF_ENUM values as number (default are enum string
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values)</td>
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</tr>
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<tr>
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<td>-d <type></td>
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<td>Request specific dbr type; use string (DBR_ prefix may be omitted)
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<p>or number of one of the following types:</p>
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<table border="1">
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<tbody>
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<tr>
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<td>DBR_STRING</td>
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<td>0</td>
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<td>DBR_STS_FLOAT</td>
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<td>9</td>
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<td>DBR_TIME_LONG</td>
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<td>19</td>
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<td>DBR_CTRL_SHORT</td>
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<td>29</td>
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</tr>
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<tr>
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<td>DBR_INT</td>
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<td>1</td>
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<td>DBR_STS_ENUM</td>
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<td>10</td>
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<td>DBR_TIME_DOUBLE</td>
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<td>20</td>
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<td>DBR_CTRL_INT</td>
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<td>29</td>
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</tr>
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<tr>
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<td>DBR_SHORT</td>
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<td>1</td>
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<td>DBR_STS_CHAR</td>
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<td>11</td>
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<td>DBR_GR_STRING</td>
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<td>21</td>
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<td>DBR_CTRL_FLOAT</td>
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<td>30</td>
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</tr>
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<tr>
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<td>DBR_FLOAT</td>
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<td>2</td>
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<td>DBR_STS_LONG</td>
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<td>12</td>
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<td>DBR_GR_SHORT</td>
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<td>22</td>
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<td>DBR_CTRL_ENUM</td>
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<td>31</td>
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</tr>
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<tr>
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<td>DBR_ENUM</td>
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<td>3</td>
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<td>DBR_STS_DOUBLE</td>
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<td>13</td>
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<td>DBR_GR_INT</td>
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<td>22</td>
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<td>DBR_CTRL_CHAR</td>
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<td>32</td>
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</tr>
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<tr>
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<td>DBR_CHAR</td>
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<td>4</td>
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<td>DBR_TIME_STRING</td>
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<td>14</td>
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<td>DBR_GR_FLOAT</td>
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<td>23</td>
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<td>DBR_CTRL_LONG</td>
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<td>33</td>
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</tr>
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<tr>
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<td>DBR_LONG</td>
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<td>5</td>
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<td>DBR_TIME_INT</td>
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<td>15</td>
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<td>DBR_GR_ENUM</td>
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<td>24</td>
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<td>DBR_CTRL_DOUBLE</td>
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<td>34</td>
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</tr>
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<tr>
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<td>DBR_DOUBLE</td>
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<td>6</td>
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<td>DBR_TIME_SHORT</td>
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<td>15</td>
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<td>DBR_GR_CHAR</td>
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<td>25</td>
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<td>DBR_STSACK_STRING</td>
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<td>37</td>
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</tr>
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<tr>
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<td>DBR_STS_STRING</td>
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<td>7</td>
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<td>DBR_TIME_FLOAT</td>
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<td>16</td>
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<td>DBR_GR_LONG</td>
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<td>26</td>
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<td>DBR_CLASS_NAME</td>
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<td>38</td>
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</tr>
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<tr>
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<td>DBR_STS_SHORT</td>
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<td>8</td>
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<td>DBR_TIME_ENUM</td>
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<td>17</td>
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<td>DBR_GR_DOUBLE</td>
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<td>27</td>
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<td></td>
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<td></td>
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</tr>
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<tr>
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<td>DBR_STS_INT</td>
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<td>8</td>
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<td>DBR_TIME_CHAR</td>
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<td>18</td>
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<td>DBR_CTRL_STRING</td>
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<td>28</td>
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<td></td>
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<td></td>
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</tr>
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</tbody>
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</table>
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</td>
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</tr>
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<tr>
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<td></td>
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<td>Arrays:</td>
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</tr>
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<tr>
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<td></td>
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<td>Value format: Print number of requested values, then list of
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values</td>
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</tr>
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<tr>
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<td>Default:</td>
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<td>Print all values</td>
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</tr>
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<tr>
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<td>-# <count></td>
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<td>Print first <count> elements of an array</td>
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</tr>
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<tr>
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<td></td>
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<td>Floating point type format:</td>
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</tr>
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<tr>
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<td>Default:</td>
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<td>Use %g format</td>
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</tr>
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<tr>
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<td>-f <nr></td>
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<td>Use %f format, with <nr> digits after the decimal point</td>
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</tr>
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<tr>
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<td>-e <nr></td>
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<td>Use e format, with <nr> digits after the decimal point</td>
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</tr>
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<tr>
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<td></td>
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<td>Integer number format:</td>
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</tr>
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<tr>
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<td>Default:</td>
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<td>Print as decimal number</td>
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</tr>
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<tr>
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<td>-0x</td>
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<td>Print as hex number</td>
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</tr>
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<tr>
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<td>-0o</td>
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<td>Print as octal number</td>
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</tr>
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<tr>
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<td>-0b</td>
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<td>Print as binary number</td>
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</tr>
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</tbody>
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</table>
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<h3><a name="camonitor">camonitor</a></h3>
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<pre>camonitor [options] <PV name> ...</pre>
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<h4>Description</h4>
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<p><span style="color: #FF5F00">Not implemented.</span></p>
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<h2><a name="Troublesho">Troubleshooting</a></h2>
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<h3><a name="When">When Clients Do Not Connect to Their Server</a></h3>
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@@ -3054,6 +3328,7 @@ void * PDBR );</code></p>
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bytes</dd>
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</dl>
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<p><small>$Id$</small></p>
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<p><small>$Id: CAref.html,v 1.58.2.1 2003/09/03 22:31:48 jhill Exp
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$</small></p>
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</body>
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||||
</html>
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Reference in New Issue
Block a user