sebastian
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CoffeePi


			
				
					
						
						
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   <div id="projectbrief">Coffee machine control for Raspberry Pi</div>
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  <div class="summary">
<a href="#func-members">Functions</a> &#124;
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<div class="title">display.cpp File Reference</div>  </div>
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<div class="textblock"><code>#include &lt;stdlib.h&gt;</code><br />
<code>#include &lt;pthread.h&gt;</code><br />
<code>#include &lt;time.h&gt;</code><br />
<code>#include &lt;unistd.h&gt;</code><br />
<code>#include &lt;string.h&gt;</code><br />
<code>#include &quot;<a class="el" href="global_8h_source.html">global.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="display_8h_source.html">display.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="logger_8h_source.html">logger.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="database_8h_source.html">database.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="timer_8h_source.html">timer.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="lcd_8h_source.html">lcd.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="coffee_8h_source.html">coffee.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="hal_8h_source.html">hal.h</a>&quot;</code><br />
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Functions</h2></td></tr>
<tr class="memitem:aad3b4a291f0ad570bb1035a133ec46aa"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#aad3b4a291f0ad570bb1035a133ec46aa">displayPrintTime</a> (int line)</td></tr>
<tr class="memdesc:aad3b4a291f0ad570bb1035a133ec46aa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prints out the current time in a centered position.  <a href="#aad3b4a291f0ad570bb1035a133ec46aa">More...</a><br /></td></tr>
<tr class="separator:aad3b4a291f0ad570bb1035a133ec46aa"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae552c34299838e4f57e3516553ed566f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#ae552c34299838e4f57e3516553ed566f">displayPrintFlow</a> (int line)</td></tr>
<tr class="memdesc:ae552c34299838e4f57e3516553ed566f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prints out the total volume flow.  <a href="#ae552c34299838e4f57e3516553ed566f">More...</a><br /></td></tr>
<tr class="separator:ae552c34299838e4f57e3516553ed566f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2e4f853ea431989d2adc2aeb7a8e46b5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#a2e4f853ea431989d2adc2aeb7a8e46b5">displayPrintLn</a> (int line, const char *str, bool centered)</td></tr>
<tr class="memdesc:a2e4f853ea431989d2adc2aeb7a8e46b5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prints a string to a specific line, optionally centered.  <a href="#a2e4f853ea431989d2adc2aeb7a8e46b5">More...</a><br /></td></tr>
<tr class="separator:a2e4f853ea431989d2adc2aeb7a8e46b5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab2db422e214d76776b8a375787d1384c"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#ab2db422e214d76776b8a375787d1384c">displayThread</a> (void *threadid)</td></tr>
<tr class="memdesc:ab2db422e214d76776b8a375787d1384c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Main thread to handle display data.  <a href="#ab2db422e214d76776b8a375787d1384c">More...</a><br /></td></tr>
<tr class="separator:ab2db422e214d76776b8a375787d1384c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab5eb6b80aca0f751332c47c410d06a2a"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#ab5eb6b80aca0f751332c47c410d06a2a">displayTimerHandler</a> (void *threadid)</td></tr>
<tr class="memdesc:ab5eb6b80aca0f751332c47c410d06a2a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Timer handler for display update.  <a href="#ab5eb6b80aca0f751332c47c410d06a2a">More...</a><br /></td></tr>
<tr class="separator:ab5eb6b80aca0f751332c47c410d06a2a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8c548751802c5960b3092be28cc56d9f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#a8c548751802c5960b3092be28cc56d9f">displayInit</a> (void)</td></tr>
<tr class="memdesc:a8c548751802c5960b3092be28cc56d9f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initializes display.  <a href="#a8c548751802c5960b3092be28cc56d9f">More...</a><br /></td></tr>
<tr class="separator:a8c548751802c5960b3092be28cc56d9f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abfd367c63541be192cdc63d6e8b38a79"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#abfd367c63541be192cdc63d6e8b38a79">displayTerminate</a> (void)</td></tr>
<tr class="memdesc:abfd367c63541be192cdc63d6e8b38a79"><td class="mdescLeft">&#160;</td><td class="mdescRight">Handles cleanup before program termination.  <a href="#abfd367c63541be192cdc63d6e8b38a79">More...</a><br /></td></tr>
<tr class="separator:abfd367c63541be192cdc63d6e8b38a79"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9b10d2d49414256ef745f7e910748fee"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#a9b10d2d49414256ef745f7e910748fee">displaySetLang</a> (<a class="el" href="display_8h.html#a681b0c0e7b9408f4c70f8e76da34d080">display_lang_t</a> lang)</td></tr>
<tr class="memdesc:a9b10d2d49414256ef745f7e910748fee"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the language of the display text.  <a href="#a9b10d2d49414256ef745f7e910748fee">More...</a><br /></td></tr>
<tr class="separator:a9b10d2d49414256ef745f7e910748fee"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac750de2337343c08e5fd88d08316adb2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#ac750de2337343c08e5fd88d08316adb2">displayRefresh</a> (void)</td></tr>
<tr class="memdesc:ac750de2337343c08e5fd88d08316adb2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Refreshed the display content and outputs it.  <a href="#ac750de2337343c08e5fd88d08316adb2">More...</a><br /></td></tr>
<tr class="separator:ac750de2337343c08e5fd88d08316adb2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab2661cdbd686f7d3389a3d9c2cf98f47"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#ab2661cdbd686f7d3389a3d9c2cf98f47">displayGetString</a> (<a class="el" href="display_8h.html#a4984755f821d9f0c49acdcac62f4c907">display_strings_t</a> string)</td></tr>
<tr class="memdesc:ab2661cdbd686f7d3389a3d9c2cf98f47"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the matching translation of a string.  <a href="#ab2661cdbd686f7d3389a3d9c2cf98f47">More...</a><br /></td></tr>
<tr class="separator:ab2661cdbd686f7d3389a3d9c2cf98f47"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adf85c9537e38ffe3f1ee356a4638880e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#adf85c9537e38ffe3f1ee356a4638880e">displayPushState</a> (int <a class="el" href="coffee_8cpp.html#a89f234133d3efe315836311cbf21c64b">state</a>)</td></tr>
<tr class="memdesc:adf85c9537e38ffe3f1ee356a4638880e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Updates the display state to the matching coffee state.  <a href="#adf85c9537e38ffe3f1ee356a4638880e">More...</a><br /></td></tr>
<tr class="separator:adf85c9537e38ffe3f1ee356a4638880e"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:ae110c5cc57190b02aaa0d543a80cdc20"><td class="memItemLeft" align="right" valign="top"><a class="el" href="display_8h.html#a681b0c0e7b9408f4c70f8e76da34d080">display_lang_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#ae110c5cc57190b02aaa0d543a80cdc20">displayLang</a></td></tr>
<tr class="separator:ae110c5cc57190b02aaa0d543a80cdc20"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afebf5c16da7043af9cbd74ef9f489ea7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classtimer.html">timer</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#afebf5c16da7043af9cbd74ef9f489ea7">displayTimer</a> (<a class="el" href="display_8h.html#ab5eb6b80aca0f751332c47c410d06a2a">displayTimerHandler</a>)</td></tr>
<tr class="separator:afebf5c16da7043af9cbd74ef9f489ea7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9d1129916cfa4cbd7489638ce470c3a4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#a9d1129916cfa4cbd7489638ce470c3a4">lcd</a> = 0</td></tr>
<tr class="separator:a9d1129916cfa4cbd7489638ce470c3a4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adf977b563dc485f1d1c4e601a9b31b68"><td class="memItemLeft" align="right" valign="top">volatile int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#adf977b563dc485f1d1c4e601a9b31b68">timerScaler</a> = 0</td></tr>
<tr class="separator:adf977b563dc485f1d1c4e601a9b31b68"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a01cd2b69770b3c4cd7adc6e27d48c28a"><td class="memItemLeft" align="right" valign="top">volatile int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#a01cd2b69770b3c4cd7adc6e27d48c28a">elapsedCnt</a> = 0</td></tr>
<tr class="separator:a01cd2b69770b3c4cd7adc6e27d48c28a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8f3437c133bc4d1be650cbbc5128f1a8"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="display_8cpp.html#a8f3437c133bc4d1be650cbbc5128f1a8">coffeeState</a> = <a class="el" href="coffee_8h.html#a0cc0d45e13bc83065d45df9d3d1dc887">STATE_OFF</a></td></tr>
<tr class="separator:a8f3437c133bc4d1be650cbbc5128f1a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ab2661cdbd686f7d3389a3d9c2cf98f47"></a>
<div class="memitem">
<div class="memproto">
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        <tr>
          <td class="memname">const char* displayGetString </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="display_8h.html#a4984755f821d9f0c49acdcac62f4c907">display_strings_t</a>&#160;</td>
          <td class="paramname"><em>string</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Returns the matching translation of a string. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">string</td><td>Requested string </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Translated string </dd></dl>

</div>
</div>
<a class="anchor" id="a8c548751802c5960b3092be28cc56d9f"></a>
<div class="memitem">
<div class="memproto">
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        <tr>
          <td class="memname">void displayInit </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Initializes display. </p>

</div>
</div>
<a class="anchor" id="ae552c34299838e4f57e3516553ed566f"></a>
<div class="memitem">
<div class="memproto">
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        <tr>
          <td class="memname">void displayPrintFlow </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>line</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Prints out the total volume flow. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">line</td><td>Target line in display </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="a2e4f853ea431989d2adc2aeb7a8e46b5"></a>
<div class="memitem">
<div class="memproto">
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          <td class="memname">void displayPrintLn </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>line</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>str</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>centered</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Prints a string to a specific line, optionally centered. </p>
<p>This function also fills out the remaining row of the display with spaces, to ensure there is no old data left. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">line</td><td>Target line in display </td></tr>
    <tr><td class="paramname">*str</td><td>String to print </td></tr>
    <tr><td class="paramname">centered</td><td>Print centered or not </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="aad3b4a291f0ad570bb1035a133ec46aa"></a>
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          <td class="memname">void displayPrintTime </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>line</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Prints out the current time in a centered position. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">line</td><td>Target line in display </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="adf85c9537e38ffe3f1ee356a4638880e"></a>
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          <td class="memname">void displayPushState </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>state</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Updates the display state to the matching coffee state. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">state</td><td>New state </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void displayRefresh </td>
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          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
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<p>Refreshed the display content and outputs it. </p>

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          <td class="memname">void displaySetLang </td>
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          <td class="paramtype"><a class="el" href="display_8h.html#a681b0c0e7b9408f4c70f8e76da34d080">display_lang_t</a>&#160;</td>
          <td class="paramname"><em>lang</em></td><td>)</td>
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<p>Sets the language of the display text. </p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">lang</td><td>New language </td></tr>
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          <td class="memname">void displayTerminate </td>
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<p>Handles cleanup before program termination. </p>

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          <td class="memname">void* displayThread </td>
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          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>threadid</em></td><td>)</td>
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<p>Main thread to handle display data. </p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">*threadid</td><td>Thread ID </td></tr>
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<p>Timer handler for display update. </p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">*threadid</td><td>Thread ID </td></tr>
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<h2 class="groupheader">Variable Documentation</h2>
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          <td class="memname">int coffeeState = <a class="el" href="coffee_8h.html#a0cc0d45e13bc83065d45df9d3d1dc887">STATE_OFF</a></td>
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          <td class="memname"><a class="el" href="display_8h.html#a681b0c0e7b9408f4c70f8e76da34d080">display_lang_t</a> displayLang</td>
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          <td class="memname"><a class="el" href="classtimer.html">timer</a> displayTimer(<a class="el" href="display_8h.html#ab5eb6b80aca0f751332c47c410d06a2a">displayTimerHandler</a>)</td>
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          <td class="memname">volatile int elapsedCnt = 0</td>
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          <td class="memname">int lcd = 0</td>
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          <td class="memname">volatile int timerScaler = 0</td>
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