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<h3>
Matt Selsky pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/6748704a730c7ee744dc2066ddeabbfe5b3130fb">6748704a</a></strong>
<div>
<span>by Paul Theodoropoulos</span>
<i>at 2018-10-17T17:02:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove redundant wording.
</pre>
</li>
</ul>
<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#d2f8d7b7681146ceb028d0ecf24456534ff27c0a">
docs/driver_howto.txt
</a>
</li>
</ul>
<h4>Changes:</h4>
<li id="d2f8d7b7681146ceb028d0ecf24456534ff27c0a">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/6748704a730c7ee744dc2066ddeabbfe5b3130fb#d2f8d7b7681146ceb028d0ecf24456534ff27c0a"><strong>docs/driver_howto.txt</strong></a>
<hr>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -177,7 +177,7 @@ decidedly beyond the scope of this page.</td>
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<pre style="margin: 0;"> <span id="LC177" class="line" lang="plaintext">== Interface Routine Overview ==</span>
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<pre style="margin: 0;"> <span id="LC178" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC179" class="line" lang="plaintext">+refclock_newpeer+ - initialize and start a reference clock.::</span>
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<pre style="margin: 0;">-<span id="LC180" class="line" lang="plaintext">  <span class="idiff left right">This routine a</span>llocates and initializes the interface structure which</span>
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<pre style="margin: 0;">+<span id="LC180" class="line" lang="plaintext">  <span class="idiff left right">A</span>llocates and initializes the interface structure which</span>
</pre>
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<pre style="margin: 0;"> <span id="LC181" class="line" lang="plaintext">  supports a reference clock in the form of an ordinary NTP peer. A</span>
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<pre style="margin: 0;"> <span id="LC182" class="line" lang="plaintext">  driver-specific support routine completes the initialization, if used.</span>
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<pre style="margin: 0;"> <span id="LC183" class="line" lang="plaintext">  Default peer variables which identify the clock and establish its</span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -185,22 +185,21 @@ decidedly beyond the scope of this page.</td>
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<pre style="margin: 0;"> <span id="LC185" class="line" lang="plaintext">  zero if the clock address is invalid or already running, insufficient</span>
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<pre style="margin: 0;"> <span id="LC186" class="line" lang="plaintext">  resources are available or the driver declares a bum rap.</span>
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<pre style="margin: 0;"> <span id="LC187" class="line" lang="plaintext">+refclock_unpeer+ - shut down a clock::</span>
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<pre style="margin: 0;">-<span id="LC188" class="line" lang="plaintext">  This routine is used to shut down a clock and return its resources to</span>
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<pre style="margin: 0;">-<span id="LC189" class="line" lang="plaintext">  the system.</span>
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<pre style="margin: 0;">+<span id="LC188" class="line" lang="plaintext">  Shuts down a clock and returns its resources to the system.</span>
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<pre style="margin: 0;"> <span id="LC189" class="line" lang="plaintext">+refclock_transmit+ - simulate the transmit procedure::</span>
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<pre style="margin: 0;">-<span id="LC191" class="line" lang="plaintext">  <span class="idiff left right">This routine i</span>mplements the NTP transmit procedure for a reference</span>
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<pre style="margin: 0;">+<span id="LC190" class="line" lang="plaintext">  <span class="idiff left right">I</span>mplements the NTP transmit procedure for a reference</span>
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<pre style="margin: 0;"> <span id="LC191" class="line" lang="plaintext">  clock. This provides a mechanism to call the driver at the NTP poll</span>
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<pre style="margin: 0;"> <span id="LC192" class="line" lang="plaintext">  interval, as well as provides a reachability mechanism to detect a</span>
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193
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<pre style="margin: 0;"> <span id="LC193" class="line" lang="plaintext">  broken radio or other madness.</span>
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194
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<pre style="margin: 0;"> <span id="LC194" class="line" lang="plaintext">+refclock_process+ - insert a sample in the circular buffer::</span>
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<pre style="margin: 0;">-<span id="LC196" class="line" lang="plaintext">  <span class="idiff left right">This routine s</span>aves the offset computed from the on-time timestamp and</span>
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<pre style="margin: 0;">+<span id="LC195" class="line" lang="plaintext">  <span class="idiff left right">S</span>aves the offset computed from the on-time timestamp and</span>
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<pre style="margin: 0;"> <span id="LC196" class="line" lang="plaintext">  the days, hours, minutes, seconds and nanoseconds in the circular</span>
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<pre style="margin: 0;"> <span id="LC197" class="line" lang="plaintext">  buffer. Note that no provision is included for the year, as provided</span>
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<pre style="margin: 0;"> <span id="LC198" class="line" lang="plaintext">  by some (but not all) radio clocks. Ordinarily, the year is implicit</span>
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<pre style="margin: 0;"> <span id="LC199" class="line" lang="plaintext">  in the Unix file system and hardware/software clock support, so this</span>
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<pre style="margin: 0;"> <span id="LC200" class="line" lang="plaintext">  is ordinarily not a problem.</span>
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<pre style="margin: 0;"> <span id="LC201" class="line" lang="plaintext">+refclock_receive+ - simulate the receive and packet procedures::</span>
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<pre style="margin: 0;">-<span id="LC203" class="line" lang="plaintext">  <span class="idiff left right">This routine s</span>imulates the NTP receive and packet procedures for a</span>
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<pre style="margin: 0;">+<span id="LC202" class="line" lang="plaintext">  <span class="idiff left right">S</span>imulates the NTP receive and packet procedures for a</span>
</pre>
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<pre style="margin: 0;"> <span id="LC203" class="line" lang="plaintext">  reference clock. This provides a mechanism in which the ordinary NTP</span>
</pre>
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<pre style="margin: 0;"> <span id="LC204" class="line" lang="plaintext">  filter, selection and combining algorithms can be used to suppress</span>
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<pre style="margin: 0;"> <span id="LC205" class="line" lang="plaintext">  misbehaving radios and to mitigate between them when more than one is</span>
</pre>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -213,17 +212,17 @@ decidedly beyond the scope of this page.</td>
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<pre style="margin: 0;"> <span id="LC212" class="line" lang="plaintext">  and returns all the characters up to and including the line</span>
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<pre style="margin: 0;"> <span id="LC213" class="line" lang="plaintext">  terminator. Either routine returns the number of characters delivered.</span>
</pre>
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<pre style="margin: 0;"> <span id="LC214" class="line" lang="plaintext">+refclock_open+ - open a serial port for reference clock::</span>
</pre>
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<pre style="margin: 0;">-<span id="LC216" class="line" lang="plaintext">  <span class="idiff left right">This routine o</span>pens a serial port for I/O and sets default options. It</span>
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<td class="diff-line-num new old_line" data-linenumber="217" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
215
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<pre style="margin: 0;">+<span id="LC215" class="line" lang="plaintext">  <span class="idiff left right">O</span>pens a serial port for I/O and sets default options. It</span>
</pre>
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217
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216
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<pre style="margin: 0;"> <span id="LC216" class="line" lang="plaintext">  returns the file descriptor if success and zero if failure.</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="218" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
218
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<td class="diff-line-num new_line" data-linenumber="217" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
217
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<pre style="margin: 0;"> <span id="LC217" class="line" lang="plaintext">+refclock_ioctl+ - set serial port control functions::</span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="219" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
219
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<td class="diff-line-num new_line old" data-linenumber="218" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC219" class="line" lang="plaintext">  <span class="idiff left right">This routine a</span>ttempts to hide the internal, system-specific details of</span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="220" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="218" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
218
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<pre style="margin: 0;">+<span id="LC218" class="line" lang="plaintext">  <span class="idiff left right">A</span>ttempts to hide the internal, system-specific details of</span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="220" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
220
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<pre style="margin: 0;"> <span id="LC219" class="line" lang="plaintext">  serial ports. It can handle POSIX (+termios+), SYSV (+termio+) and BSD</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="221" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
221
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220
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<pre style="margin: 0;"> <span id="LC220" class="line" lang="plaintext">  (+sgtty+) interfaces with varying degrees of success. The routine</span>
</pre>
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222
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<td class="diff-line-num new_line" data-linenumber="221" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
221
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<pre style="margin: 0;"> <span id="LC221" class="line" lang="plaintext">  returns one if success and zero if failure.</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="223" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
223
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<td class="diff-line-num new_line" data-linenumber="222" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC222" class="line" lang="plaintext">+refclock_ppsapi+::</span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="224" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
224
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<td class="diff-line-num new_line old" data-linenumber="223" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC224" class="line" lang="plaintext">  <span class="idiff left right">This routine i</span>nitializes the Pulse-per-Second interface (see below).</span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="225" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="223" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
223
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<td class="line_content new noteable_line" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC223" class="line" lang="plaintext">  <span class="idiff left right">I</span>nitializes the Pulse-per-Second interface (see below).</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="225" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
225
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<td class="diff-line-num new_line" data-linenumber="224" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
224
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC224" class="line" lang="plaintext">+refclock_pps+::</span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="226" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
226
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<td class="diff-line-num new_line old" data-linenumber="225" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC226" class="line" lang="plaintext">  <span class="idiff left right">This routine is c</span>alled once per second to read the latest PPS offset</span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="227" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="225" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
225
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<pre style="margin: 0;">+<span id="LC225" class="line" lang="plaintext">  <span class="idiff left right">C</span>alled once per second to read the latest PPS offset</span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="227" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
227
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<td class="diff-line-num new_line" data-linenumber="226" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
226
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<pre style="margin: 0;"> <span id="LC226" class="line" lang="plaintext">  and save it in the circular buffer (see below).</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="228" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
228
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<td class="diff-line-num new_line" data-linenumber="227" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
227
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC227" class="line" lang="plaintext"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="229" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="228" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC228" class="line" lang="plaintext">[[pps]]</span>
</pre>
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