sebastian
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CoffeePi


			
				
					
						
						
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   <div id="projectbrief">Coffee machine control for Raspberry Pi</div>
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<a href="#enum-members">Enumerations</a> &#124;
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  <div class="headertitle">
<div class="title">database.h File Reference</div>  </div>
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<div class="contents">
<div class="textblock"><code>#include &lt;string&gt;</code><br />
<code>#include &lt;stdexcept&gt;</code><br />
<code>#include &lt;cstdio&gt;</code><br />
<code>#include &lt;stdlib.h&gt;</code><br />
<code>#include &lt;inttypes.h&gt;</code><br />
<code>#include &lt;cstdarg&gt;</code><br />
<code>#include &quot;sqlite/sqlite3.h&quot;</code><br />
</div>
<p><a href="database_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:ae1822373f950fb4881633b7ec843f4df"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4df">config_key_t</a> { <a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4dfa4be4c7f723934d3333a26575662e916e">CFGbrewcounter</a> = 1, 
<a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4dfa3c1d629019edc36dce2a7852d3d65968">CFGHeatingTime</a> = 2, 
<a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4dfab9f0f19359d390e5602d46e39949ede4">CFGdisplaylang</a> = 3
 }<tr class="separator:ae1822373f950fb4881633b7ec843f4df"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a1885a74e6af3ee510f30f98e60372e3e"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#a1885a74e6af3ee510f30f98e60372e3e">sqlOpen</a> ()</td></tr>
<tr class="memdesc:a1885a74e6af3ee510f30f98e60372e3e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Opens and initializes a sqlite3 database connection.  <a href="#a1885a74e6af3ee510f30f98e60372e3e">More...</a><br /></td></tr>
<tr class="separator:a1885a74e6af3ee510f30f98e60372e3e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7264f51f982e908b32635e91e6dc0062"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#a7264f51f982e908b32635e91e6dc0062">sqlClose</a> ()</td></tr>
<tr class="memdesc:a7264f51f982e908b32635e91e6dc0062"><td class="mdescLeft">&#160;</td><td class="mdescRight">Closes the database connection.  <a href="#a7264f51f982e908b32635e91e6dc0062">More...</a><br /></td></tr>
<tr class="separator:a7264f51f982e908b32635e91e6dc0062"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aaed3fb776c9dc76d262df026803d3b8c"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#aaed3fb776c9dc76d262df026803d3b8c">sqlSetup</a> ()</td></tr>
<tr class="memdesc:aaed3fb776c9dc76d262df026803d3b8c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets up the database and creates the needed structure.  <a href="#aaed3fb776c9dc76d262df026803d3b8c">More...</a><br /></td></tr>
<tr class="separator:aaed3fb776c9dc76d262df026803d3b8c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afd88a963f835215b8dad9ee9e49866dc"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#afd88a963f835215b8dad9ee9e49866dc">sqlExecute</a> (string query)</td></tr>
<tr class="memdesc:afd88a963f835215b8dad9ee9e49866dc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Executes a SQL statement.  <a href="#afd88a963f835215b8dad9ee9e49866dc">More...</a><br /></td></tr>
<tr class="separator:afd88a963f835215b8dad9ee9e49866dc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a437086982a7400d7205f3ab6600e6dcf"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#a437086982a7400d7205f3ab6600e6dcf">inttochar</a> (uint8_t *guid)</td></tr>
<tr class="memdesc:a437086982a7400d7205f3ab6600e6dcf"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the GUID from int to char array.  <a href="#a437086982a7400d7205f3ab6600e6dcf">More...</a><br /></td></tr>
<tr class="separator:a437086982a7400d7205f3ab6600e6dcf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad2d2a73c367513b8b71aff5546276a3c"><td class="memItemLeft" align="right" valign="top">uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#ad2d2a73c367513b8b71aff5546276a3c">chartoint</a> (const unsigned char *guid)</td></tr>
<tr class="memdesc:ad2d2a73c367513b8b71aff5546276a3c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the GUID from char to int array.  <a href="#ad2d2a73c367513b8b71aff5546276a3c">More...</a><br /></td></tr>
<tr class="separator:ad2d2a73c367513b8b71aff5546276a3c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a28dbbb9e24e2035535645629105aea46"><td class="memItemLeft" align="right" valign="top">uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#a28dbbb9e24e2035535645629105aea46">int64to8bit</a> (sqlite_int64 guid)</td></tr>
<tr class="memdesc:a28dbbb9e24e2035535645629105aea46"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the GUID from int64 to int8 array.  <a href="#a28dbbb9e24e2035535645629105aea46">More...</a><br /></td></tr>
<tr class="separator:a28dbbb9e24e2035535645629105aea46"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a99cc529fd785c752cd4b73ea7989521d"><td class="memItemLeft" align="right" valign="top">sqlite_int64&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#a99cc529fd785c752cd4b73ea7989521d">int8to64bit</a> (uint8_t *guid)</td></tr>
<tr class="separator:a99cc529fd785c752cd4b73ea7989521d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5d0363e5d886e2c3e4bb5ca46d265ba7"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#a5d0363e5d886e2c3e4bb5ca46d265ba7">sqltest</a> ()</td></tr>
<tr class="separator:a5d0363e5d886e2c3e4bb5ca46d265ba7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6c0bc3256310fd400a26243d8a8f1652"><td class="memItemLeft" align="right" valign="top">std::string&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#a6c0bc3256310fd400a26243d8a8f1652">string_sprintf</a> (const char *format,...)</td></tr>
<tr class="memdesc:a6c0bc3256310fd400a26243d8a8f1652"><td class="mdescLeft">&#160;</td><td class="mdescRight">Allows the format of printf but returns a string Source: <a href="http://codereview.stackexchange.com/questions/52522/mimic-sprintf-with-stdstring-output">http://codereview.stackexchange.com/questions/52522/mimic-sprintf-with-stdstring-output</a>.  <a href="#a6c0bc3256310fd400a26243d8a8f1652">More...</a><br /></td></tr>
<tr class="separator:a6c0bc3256310fd400a26243d8a8f1652"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aad0e803eda7a440a6063a447cfeca0cd"><td class="memItemLeft" align="right" valign="top">uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#aad0e803eda7a440a6063a447cfeca0cd">sqlGetConf</a> (<a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4df">config_key_t</a> id)</td></tr>
<tr class="memdesc:aad0e803eda7a440a6063a447cfeca0cd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads a configuration key from the database.  <a href="#aad0e803eda7a440a6063a447cfeca0cd">More...</a><br /></td></tr>
<tr class="separator:aad0e803eda7a440a6063a447cfeca0cd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1ce0ac0c58916c138a92d3282f569784"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="database_8h.html#a1ce0ac0c58916c138a92d3282f569784">sqlSetConf</a> (<a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4df">config_key_t</a> id, uint64_t value)</td></tr>
<tr class="memdesc:a1ce0ac0c58916c138a92d3282f569784"><td class="mdescLeft">&#160;</td><td class="mdescRight">Saves a configuration key to the database.  <a href="#a1ce0ac0c58916c138a92d3282f569784">More...</a><br /></td></tr>
<tr class="separator:a1ce0ac0c58916c138a92d3282f569784"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Enumeration Type Documentation</h2>
<a class="anchor" id="ae1822373f950fb4881633b7ec843f4df"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">enum <a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4df">config_key_t</a></td>
        </tr>
      </table>
</div><div class="memdoc">
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="ae1822373f950fb4881633b7ec843f4dfa4be4c7f723934d3333a26575662e916e"></a>CFGbrewcounter&#160;</td><td class="fielddoc">
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="ae1822373f950fb4881633b7ec843f4dfa3c1d629019edc36dce2a7852d3d65968"></a>CFGHeatingTime&#160;</td><td class="fielddoc">
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="ae1822373f950fb4881633b7ec843f4dfab9f0f19359d390e5602d46e39949ede4"></a>CFGdisplaylang&#160;</td><td class="fielddoc">
</td></tr>
</table>

</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ad2d2a73c367513b8b71aff5546276a3c"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">uint8_t* chartoint </td>
          <td>(</td>
          <td class="paramtype">const unsigned char *&#160;</td>
          <td class="paramname"><em>guid</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Converts the GUID from char to int array. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">*guid</td><td>Pointer to the char GUID </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>pointer to the converted int array </dd></dl>

</div>
</div>
<a class="anchor" id="a28dbbb9e24e2035535645629105aea46"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">uint8_t* int64to8bit </td>
          <td>(</td>
          <td class="paramtype">sqlite_int64&#160;</td>
          <td class="paramname"><em>guid</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Converts the GUID from int64 to int8 array. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">guid</td><td>64bit GUID </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>pointer to the converted int array </dd></dl>

</div>
</div>
<a class="anchor" id="a99cc529fd785c752cd4b73ea7989521d"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">sqlite_int64 int8to64bit </td>
          <td>(</td>
          <td class="paramtype">uint8_t *&#160;</td>
          <td class="paramname"><em>guid</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

</div>
</div>
<a class="anchor" id="a437086982a7400d7205f3ab6600e6dcf"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">char* inttochar </td>
          <td>(</td>
          <td class="paramtype">uint8_t *&#160;</td>
          <td class="paramname"><em>guid</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Converts the GUID from int to char array. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">*guid</td><td>Pointer to the uint8_t GUID </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>pointer to the converted string </dd></dl>

</div>
</div>
<a class="anchor" id="a7264f51f982e908b32635e91e6dc0062"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void sqlClose </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Closes the database connection. </p>

</div>
</div>
<a class="anchor" id="afd88a963f835215b8dad9ee9e49866dc"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int sqlExecute </td>
          <td>(</td>
          <td class="paramtype">string&#160;</td>
          <td class="paramname"><em>query</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Executes a SQL statement. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">*query</td><td>SQL query string </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success </dd></dl>

</div>
</div>
<a class="anchor" id="aad0e803eda7a440a6063a447cfeca0cd"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">uint64_t sqlGetConf </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4df">config_key_t</a>&#160;</td>
          <td class="paramname"><em>id</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Reads a configuration key from the database. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">id</td><td>Config ID key </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>value as integer (up to 64bit), 0 for not found </dd></dl>

</div>
</div>
<a class="anchor" id="a1885a74e6af3ee510f30f98e60372e3e"></a>
<div class="memitem">
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          <td class="memname">int sqlOpen </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Opens and initializes a sqlite3 database connection. </p>
<dl class="section return"><dt>Returns</dt><dd>0 on success </dd></dl>

</div>
</div>
<a class="anchor" id="a1ce0ac0c58916c138a92d3282f569784"></a>
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          <td class="memname">int sqlSetConf </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="database_8h.html#ae1822373f950fb4881633b7ec843f4df">config_key_t</a>&#160;</td>
          <td class="paramname"><em>id</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint64_t&#160;</td>
          <td class="paramname"><em>value</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
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<p>Saves a configuration key to the database. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">id</td><td>Config ID key </td></tr>
    <tr><td class="paramname">value</td><td>Integer value </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success </dd></dl>

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          <td class="memname">int sqlSetup </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<p>Sets up the database and creates the needed structure. </p>
<dl class="section return"><dt>Returns</dt><dd>0 on success </dd></dl>

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          <td class="memname">void sqltest </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
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</div>
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          <td class="memname">std::string string_sprintf </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>format</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>...</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>Allows the format of printf but returns a string Source: <a href="http://codereview.stackexchange.com/questions/52522/mimic-sprintf-with-stdstring-output">http://codereview.stackexchange.com/questions/52522/mimic-sprintf-with-stdstring-output</a>. </p>
<dl class="section return"><dt>Returns</dt><dd>printf formatted string </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">format</td><td>input string as char array </td></tr>
  </table>
  </dd>
</dl>

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