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<div class="title">Touch</div> </div>
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Collaboration diagram for Touch:</div>
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<center><table><tr><td><img src="group__touch.png" border="0" alt="" usemap="#group____touch"/>
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<map name="group____touch" id="group____touch">
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<area shape="rect" id="node1" href="group__calibrate.html" title="Calibrate (Screen)" alt="" coords="109,5,236,32"/></map>
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</td></tr></table></center>
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Modules</h2></td></tr>
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<tr class="memitem:group__calibrate"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__calibrate.html">Calibrate (Screen)</a></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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Data Structures</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_p_o_i_n_t___s_t_r_u_c_t.html">POINT_STRUCT</a></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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Typedefs</h2></td></tr>
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<tr class="memitem:ga6150d318348792e4c90c9047f88df158"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#ga6150d318348792e4c90c9047f88df158">TOUCH_CALLBACK</a>) (void *touchArea, <a class="el" href="group__touch.html#gab6037f32eebdf297a7d601a1e6c87768">TOUCH_ACTION</a> triggeredAction)</td></tr>
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<tr class="separator:ga6150d318348792e4c90c9047f88df158"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
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Enumerations</h2></td></tr>
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<tr class="memitem:gaf9cbd5f564fae35ce693c446ca8bdd9e"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#gaf9cbd5f564fae35ce693c446ca8bdd9e">TOUCH_STATE</a> { <a class="el" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea90884c2f9baa25f5107bfa334297fce3">TOUCH_UP</a>,
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<a class="el" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5">TOUCH_DOWN</a>
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}</td></tr>
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<tr class="separator:gaf9cbd5f564fae35ce693c446ca8bdd9e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab6037f32eebdf297a7d601a1e6c87768"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#gab6037f32eebdf297a7d601a1e6c87768">TOUCH_ACTION</a> { <br />
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  <a class="el" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ac157bdf0b85a40d2619cbc8bc1ae5fe2">NONE</a> = 0x00,
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<a class="el" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a> = 0x01,
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<a class="el" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a> = 0x02,
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<a class="el" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a9d178dc5e5feaf072640820c35a3b64a">PEN_ENTER</a> = 0x04,
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<br />
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  <a class="el" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753">PEN_LEAVE</a> = 0x08,
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<a class="el" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768aa0eb05725aefcf4390bf3b9b27260647">PEN_MOVE</a> = 0x10
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<br />
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}</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga0ff491e3e07321fef794d4f07b103c0f"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#ga0ff491e3e07321fef794d4f07b103c0f">touch_init</a> ()</td></tr>
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<tr class="separator:ga0ff491e3e07321fef794d4f07b103c0f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa440ed2415b6d37efa1ecf36cc9637f0"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#gaa440ed2415b6d37efa1ecf36cc9637f0">touch_add_raw_event</a> (uint16_t x, uint16_t y, <a class="el" href="group__touch.html#gaf9cbd5f564fae35ce693c446ca8bdd9e">TOUCH_STATE</a> <a class="el" href="screen__tracking_8c.html#a51d707e6287e315967c1656b68510f25">state</a>)</td></tr>
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<tr class="separator:gaa440ed2415b6d37efa1ecf36cc9637f0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad32e5d122ec3f5f88bc6b2d9f4a629f8"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#gad32e5d122ec3f5f88bc6b2d9f4a629f8">touch_have_empty</a> (unsigned char num)</td></tr>
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<tr class="separator:gad32e5d122ec3f5f88bc6b2d9f4a629f8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga3adc36f55b7475b3f652c38c0e23d741"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#ga3adc36f55b7475b3f652c38c0e23d741">touch_register_area</a> (<a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a> *area)</td></tr>
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<tr class="separator:ga3adc36f55b7475b3f652c38c0e23d741"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa7d6cd569335d0ddfc9eeab479f3a0a8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#gaa7d6cd569335d0ddfc9eeab479f3a0a8">touch_unregister_area</a> (<a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a> *area)</td></tr>
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<tr class="separator:gaa7d6cd569335d0ddfc9eeab479f3a0a8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga42b918ead4f536a63f79601ab2978227"><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_p_o_i_n_t___s_t_r_u_c_t.html">POINT_STRUCT</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#ga42b918ead4f536a63f79601ab2978227">touch_get_last_point</a> ()</td></tr>
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<tr class="memitem:gacc714477cb936ab22e00904a69bbc022"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#gacc714477cb936ab22e00904a69bbc022">touch_set_calibration_values</a> (int xs, int dx, int ys, int dy)</td></tr>
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<tr class="separator:gacc714477cb936ab22e00904a69bbc022"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaba794e030c65354b244dc264ed04dfdd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__touch.html#gaba794e030c65354b244dc264ed04dfdd">touch_set_value_convert_mode</a> (bool <a class="el" href="touch_8c.html#aada9c4e98a37ca59cdbbdbdda4904eb8">use_calibration</a>)</td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>The Touch module provides access to the touch controller, and executes a callback if a certain region is touched </p>
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<h2 class="groupheader">Typedef Documentation</h2>
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<a class="anchor" id="ga6150d318348792e4c90c9047f88df158"></a>
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<td class="memname">typedef void(* TOUCH_CALLBACK) (void *touchArea, <a class="el" href="group__touch.html#gab6037f32eebdf297a7d601a1e6c87768">TOUCH_ACTION</a> triggeredAction)</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Prototype for Event Listeners (called for every occurring, hooked action) </p><dl class="section note"><dt>Note</dt><dd>You should NOT execute long running things in this callback nor should you update the gui. But you can call <a class="el" href="group__screen.html#gad4473a16eaf48dab405d23f5f63af3aa">gui_screen_navigate()</a> for instance. </dd></dl>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">touchArea</td><td>The pointer to the <a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a> in which the event occurred </td></tr>
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<tr><td class="paramname">triggeredAction</td><td>The Action which occurred </td></tr>
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</table>
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</dd>
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<p>Definition at line <a class="el" href="touch_8h_source.html#l00067">67</a> of file <a class="el" href="touch_8h_source.html">touch.h</a>.</p>
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</div>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<a class="anchor" id="gab6037f32eebdf297a7d601a1e6c87768"></a>
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<td class="memname">enum <a class="el" href="group__touch.html#gab6037f32eebdf297a7d601a1e6c87768">TOUCH_ACTION</a></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Enum to describe the hooked actions for which you want to receive events for. You can OR-combine them. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="group__touch.html#ga3adc36f55b7475b3f652c38c0e23d741">touch_register_area</a> </dd></dl>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="ggab6037f32eebdf297a7d601a1e6c87768ac157bdf0b85a40d2619cbc8bc1ae5fe2"></a>NONE </td><td class="fielddoc">
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<p>Do not receive any events. </p>
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d"></a>PEN_DOWN </td><td class="fielddoc">
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<p>Receive an event when the pen goes down inside the region. </p>
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810"></a>PEN_UP </td><td class="fielddoc">
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<p>Receive an event when the pen goes up inside the region. </p>
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="ggab6037f32eebdf297a7d601a1e6c87768a9d178dc5e5feaf072640820c35a3b64a"></a>PEN_ENTER </td><td class="fielddoc">
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<p>Receive an event when the pen enters the region (pen was down before) </p>
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753"></a>PEN_LEAVE </td><td class="fielddoc">
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<p>Receive an event when the pen leaves the region (pen was inside region before) </p>
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="ggab6037f32eebdf297a7d601a1e6c87768aa0eb05725aefcf4390bf3b9b27260647"></a>PEN_MOVE </td><td class="fielddoc">
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<p>Receive an event when the pen moves inside the region (pen is down) </p>
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</td></tr>
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</table>
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<p>Definition at line <a class="el" href="touch_8h_source.html#l00052">52</a> of file <a class="el" href="touch_8h_source.html">touch.h</a>.</p>
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<div class="fragment"><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ac157bdf0b85a40d2619cbc8bc1ae5fe2">NONE</a> = 0x00, </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a> = 0x01, </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a> = 0x02, </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a9d178dc5e5feaf072640820c35a3b64a">PEN_ENTER</a> = 0x04, </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753">PEN_LEAVE</a> = 0x08, </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768aa0eb05725aefcf4390bf3b9b27260647">PEN_MOVE</a> = 0x10 </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> } <a class="code" href="group__touch.html#gab6037f32eebdf297a7d601a1e6c87768">TOUCH_ACTION</a>;</div>
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<div class="ttc" id="group__touch_html_gab6037f32eebdf297a7d601a1e6c87768"><div class="ttname"><a href="group__touch.html#gab6037f32eebdf297a7d601a1e6c87768">TOUCH_ACTION</a></div><div class="ttdeci">TOUCH_ACTION</div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00052">touch.h:52</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768aa0eb05725aefcf4390bf3b9b27260647"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768aa0eb05725aefcf4390bf3b9b27260647">PEN_MOVE</a></div><div class="ttdoc">Receive an event when the pen moves inside the region (pen is down) </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00058">touch.h:58</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a></div><div class="ttdoc">Receive an event when the pen goes down inside the region. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00054">touch.h:54</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a></div><div class="ttdoc">Receive an event when the pen goes up inside the region. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00055">touch.h:55</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768a9d178dc5e5feaf072640820c35a3b64a"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a9d178dc5e5feaf072640820c35a3b64a">PEN_ENTER</a></div><div class="ttdoc">Receive an event when the pen enters the region (pen was down before) </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00056">touch.h:56</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768ac157bdf0b85a40d2619cbc8bc1ae5fe2"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ac157bdf0b85a40d2619cbc8bc1ae5fe2">NONE</a></div><div class="ttdoc">Do not receive any events. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00053">touch.h:53</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753">PEN_LEAVE</a></div><div class="ttdoc">Receive an event when the pen leaves the region (pen was inside region before) </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00057">touch.h:57</a></div></div>
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</div><!-- fragment -->
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</div>
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</div>
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<a class="anchor" id="gaf9cbd5f564fae35ce693c446ca8bdd9e"></a>
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<tr>
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<td class="memname">enum <a class="el" href="group__touch.html#gaf9cbd5f564fae35ce693c446ca8bdd9e">TOUCH_STATE</a></td>
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<p>Enum to describe the current Touch State. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="group__touch.html#gaa440ed2415b6d37efa1ecf36cc9637f0">touch_add_raw_event</a> </dd></dl>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="ggaf9cbd5f564fae35ce693c446ca8bdd9ea90884c2f9baa25f5107bfa334297fce3"></a>TOUCH_UP </td><td class="fielddoc">
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<p>The display is currently not touched. </p>
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5"></a>TOUCH_DOWN </td><td class="fielddoc">
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<p>The display is currently touched at some point. </p>
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</td></tr>
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</table>
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<p>Definition at line <a class="el" href="touch_8h_source.html#l00043">43</a> of file <a class="el" href="touch_8h_source.html">touch.h</a>.</p>
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<div class="fragment"><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea90884c2f9baa25f5107bfa334297fce3">TOUCH_UP</a>, </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5">TOUCH_DOWN</a> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> } <a class="code" href="group__touch.html#gaf9cbd5f564fae35ce693c446ca8bdd9e">TOUCH_STATE</a> ;</div>
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<div class="ttc" id="group__touch_html_ggaf9cbd5f564fae35ce693c446ca8bdd9ea90884c2f9baa25f5107bfa334297fce3"><div class="ttname"><a href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea90884c2f9baa25f5107bfa334297fce3">TOUCH_UP</a></div><div class="ttdoc">The display is currently not touched. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00044">touch.h:44</a></div></div>
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<div class="ttc" id="group__touch_html_ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5"><div class="ttname"><a href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5">TOUCH_DOWN</a></div><div class="ttdoc">The display is currently touched at some point. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00045">touch.h:45</a></div></div>
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<div class="ttc" id="group__touch_html_gaf9cbd5f564fae35ce693c446ca8bdd9e"><div class="ttname"><a href="group__touch.html#gaf9cbd5f564fae35ce693c446ca8bdd9e">TOUCH_STATE</a></div><div class="ttdeci">TOUCH_STATE</div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00043">touch.h:43</a></div></div>
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</div><!-- fragment -->
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</div>
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</div>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="gaa440ed2415b6d37efa1ecf36cc9637f0"></a>
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<td class="memname">bool touch_add_raw_event </td>
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<td>(</td>
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<td class="paramtype">uint16_t </td>
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<td class="paramname"><em>x</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint16_t </td>
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<td class="paramname"><em>y</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__touch.html#gaf9cbd5f564fae35ce693c446ca8bdd9e">TOUCH_STATE</a> </td>
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<td class="paramname"><em>state</em> </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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<td></td><td></td>
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</div><div class="memdoc">
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<p>Processes a native touch event. Call this function when the pen goes down (<a class="el" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5">TOUCH_DOWN</a>), when it moves (<a class="el" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5">TOUCH_DOWN</a>) and also when it goes up again (<a class="el" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea90884c2f9baa25f5107bfa334297fce3">TOUCH_UP</a>)! It's safe to call this function from an (SPI)-Interrupt. </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>The x-Coordinate of the touch event </td></tr>
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<tr><td class="paramname">y</td><td>The y-Coordinate of the touch event </td></tr>
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<tr><td class="paramname">state</td><td>Whether the pen is up or down </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>True on success </dd></dl>
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<p>Definition at line <a class="el" href="touch_8c_source.html#l00072">72</a> of file <a class="el" href="touch_8c_source.html">touch.c</a>.</p>
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<div class="fragment"><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">//Update current and old position/state</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">bool</span> penDown = (<a class="code" href="screen__photomode__save_8c.html#a5b355141d49e5da4140613bd88d73549">state</a> == <a class="code" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5">TOUCH_DOWN</a>);</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">bool</span> oldPenDown = (<a class="code" href="touch_8c.html#a0426dedaaca3b21d6346e9415f524a12">oldState</a> == <a class="code" href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5">TOUCH_DOWN</a>);</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="touch_8c.html#a0426dedaaca3b21d6346e9415f524a12">oldState</a> = <a class="code" href="screen__photomode__save_8c.html#a5b355141d49e5da4140613bd88d73549">state</a>;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#a8e440e007cdbbff7dc9442993266bcf0">calibration</a>) { <span class="comment">//If in Calibration mode</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (penDown) {</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a>.<a class="code" href="struct_p_o_i_n_t___s_t_r_u_c_t.html#a4dde988b1b2adba65ae3efa69f65d960">x</a> = touchX;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a>.<a class="code" href="struct_p_o_i_n_t___s_t_r_u_c_t.html#ab0580f504a7428539be299fa71565f30">y</a> = touchY;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (oldPenDown) { <span class="comment">//Run only if we got at least one pen down</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="touch_8c.html#a8e440e007cdbbff7dc9442993266bcf0">calibration</a> = 0; <span class="comment">//Calibration finish (Touch X and Y are the values from the last measure, where the pen was down)</span></div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">//If we reach this point we're not in calibration mode and we need to process the event and call the registred handlers..</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aada9c4e98a37ca59cdbbdbdda4904eb8">use_calibration</a>) { <span class="comment">//the underlying touch hardware uses calibration</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">//Calculate the real touch position out of the passed ones, and the calibration values</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a>.<a class="code" href="struct_p_o_i_n_t___s_t_r_u_c_t.html#a4dde988b1b2adba65ae3efa69f65d960">x</a> = touchX = (((long)(<a class="code" href="screen__calibrate_8h.html#a7f32e26ea2ffbc0c5408e65b30d4f0c8">DWIDTH</a> - 2 * <a class="code" href="screen__calibrate_8h.html#acc17d86219605385a23782e12bc3899c">CCENTER</a>) * 2 * (long)((<span class="keywordtype">long</span>)touchX - <a class="code" href="touch_8c.html#ac89d8cc45a359143969e1232f4bae557">cal_xs</a>) / <a class="code" href="touch_8c.html#a731459fdc248eebcd6715040f1d36c44">cal_dx</a> + 1) >> 1) + <a class="code" href="screen__calibrate_8h.html#acc17d86219605385a23782e12bc3899c">CCENTER</a>;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a>.<a class="code" href="struct_p_o_i_n_t___s_t_r_u_c_t.html#ab0580f504a7428539be299fa71565f30">y</a> = touchY = (((long)(<a class="code" href="screen__calibrate_8h.html#a2c0e9cadedb91327295c0249e8a3ad6f">DHEIGHT</a> - 2 * <a class="code" href="screen__calibrate_8h.html#acc17d86219605385a23782e12bc3899c">CCENTER</a>) * 2 * (long)((<span class="keywordtype">long</span>)touchY - <a class="code" href="touch_8c.html#ae7dfacb1205c5fc478a64afbc466327d">cal_ys</a>) / <a class="code" href="touch_8c.html#a259e19774ad99bcb76a40bfa9a8a9e7e">cal_dy</a> + 1) >> 1) + <a class="code" href="screen__calibrate_8h.html#acc17d86219605385a23782e12bc3899c">CCENTER</a>;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  } <span class="keywordflow">else</span> { <span class="comment">//no conversion needed for the underlying hardware</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a>.<a class="code" href="struct_p_o_i_n_t___s_t_r_u_c_t.html#a4dde988b1b2adba65ae3efa69f65d960">x</a> = touchX;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a>.<a class="code" href="struct_p_o_i_n_t___s_t_r_u_c_t.html#ab0580f504a7428539be299fa71565f30">y</a> = touchY;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (penDown) { <span class="comment">//pen is down now</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">//tft_draw_pixel(touchX,touchY,WHITE);</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (!oldPenDown) { <span class="comment">//pen wasn't down before (positive edge) => First Touch</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> z = 0; z < <a class="code" href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a>; z++) { <span class="comment">// For every touch area</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">//Check if pos is inside area</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z] != NULL && touchX >= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->x1 && touchX <= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->x2 && touchY >= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->y1 && touchY <= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->y2) {</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa2585d779da0ab21273a8d92de9a0ebe">flags</a> = 1; <span class="comment">//Save PenInside=1</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->hookedActions & <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a>) { <span class="comment">//The user wants to receive pen down events</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4b44f431c154678005298b0f0618cd37">callback</a>(<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z], PEN_DOWN); <span class="comment">//Send event to user callback</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  } <span class="keywordflow">else</span> { <span class="comment">//Pen was down before => Second, Third event in row</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> z = 0; z < <a class="code" href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a>; z++) { <span class="comment">// For every touch area</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z] != NULL) {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">//Check if pos is inside area</span></div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> (touchX >= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->x1 && touchX <= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->x2 && touchY >= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->y1 && touchY <= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->y2) {</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->flags == 0) { <span class="comment">//Pen was not inside before (PenInside==0)</span></div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa2585d779da0ab21273a8d92de9a0ebe">flags</a> = 1; <span class="comment">//Pen is inside now (PenInside=1)</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->hookedActions & <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a9d178dc5e5feaf072640820c35a3b64a">PEN_ENTER</a>) { <span class="comment">//The user wants to receive pen enter events</span></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4b44f431c154678005298b0f0618cd37">callback</a>(<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z], PEN_ENTER);</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->flags) { <span class="comment">//Pos not inside area, but it was before (PenInside==1)</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa2585d779da0ab21273a8d92de9a0ebe">flags</a> = 0; <span class="comment">//Pen is no longer inside (PenInside=0)</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->hookedActions & <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753">PEN_LEAVE</a>) { <span class="comment">//The user wants to receive pen leave events</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4b44f431c154678005298b0f0618cd37">callback</a>(<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z], PEN_LEAVE);</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> z = 0; z < <a class="code" href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a>; z++) { <span class="comment">// For every touch area</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z] != NULL && (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->hookedActions & <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768aa0eb05725aefcf4390bf3b9b27260647">PEN_MOVE</a>)) { <span class="comment">//User want's to receive pen move events</span></div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">//Check if pos is inside area</span></div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (touchX >= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->x1 && touchX <= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->x2 && touchY >= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->y1 && touchY <= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->y2) {</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4b44f431c154678005298b0f0618cd37">callback</a>(<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z], PEN_MOVE);</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  } <span class="keywordflow">else</span> { <span class="comment">//pen is not down now</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (oldPenDown) { <span class="comment">//but it was down before (negative edge)</span></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> z = 0; z < <a class="code" href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a>; z++) { <span class="comment">// For every touch area</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">//Check if pos is inside area</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z] != NULL && touchX >= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->x1 && touchX <= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->x2 && touchY >= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->y1 && touchY <= <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->y2) {</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa2585d779da0ab21273a8d92de9a0ebe">flags</a> = 0; <span class="comment">//The pen is no longer inside (PenInside = 0);</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]->hookedActions & <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a>) { <span class="comment">//user want's to receive pen up events</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z]-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4b44f431c154678005298b0f0618cd37">callback</a>(<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[z], PEN_UP);</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> }</div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768aa0eb05725aefcf4390bf3b9b27260647"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768aa0eb05725aefcf4390bf3b9b27260647">PEN_MOVE</a></div><div class="ttdoc">Receive an event when the pen moves inside the region (pen is down) </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00058">touch.h:58</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a></div><div class="ttdoc">Receive an event when the pen goes down inside the region. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00054">touch.h:54</a></div></div>
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<div class="ttc" id="screen__calibrate_8h_html_acc17d86219605385a23782e12bc3899c"><div class="ttname"><a href="screen__calibrate_8h.html#acc17d86219605385a23782e12bc3899c">CCENTER</a></div><div class="ttdeci">#define CCENTER</div><div class="ttdef"><b>Definition:</b> <a href="screen__calibrate_8h_source.html#l00042">screen_calibrate.h:42</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a></div><div class="ttdoc">Receive an event when the pen goes up inside the region. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00055">touch.h:55</a></div></div>
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<div class="ttc" id="struct_p_o_i_n_t___s_t_r_u_c_t_html_ab0580f504a7428539be299fa71565f30"><div class="ttname"><a href="struct_p_o_i_n_t___s_t_r_u_c_t.html#ab0580f504a7428539be299fa71565f30">POINT_STRUCT::y</a></div><div class="ttdeci">uint16_t y</div><div class="ttdoc">The Y-Coordinate of the point. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00088">touch.h:88</a></div></div>
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<div class="ttc" id="touch_8c_html_ae7dfacb1205c5fc478a64afbc466327d"><div class="ttname"><a href="touch_8c.html#ae7dfacb1205c5fc478a64afbc466327d">cal_ys</a></div><div class="ttdeci">int cal_ys</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00047">touch.c:47</a></div></div>
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<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_aa2585d779da0ab21273a8d92de9a0ebe"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa2585d779da0ab21273a8d92de9a0ebe">TOUCH_AREA_STRUCT::flags</a></div><div class="ttdeci">uint8_t flags</div><div class="ttdoc">For internal use, don't change, don't initialize. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00079">touch.h:79</a></div></div>
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<div class="ttc" id="struct_p_o_i_n_t___s_t_r_u_c_t_html_a4dde988b1b2adba65ae3efa69f65d960"><div class="ttname"><a href="struct_p_o_i_n_t___s_t_r_u_c_t.html#a4dde988b1b2adba65ae3efa69f65d960">POINT_STRUCT::x</a></div><div class="ttdeci">uint16_t x</div><div class="ttdoc">The X-Coordinate of the point. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00087">touch.h:87</a></div></div>
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<div class="ttc" id="screen__calibrate_8h_html_a2c0e9cadedb91327295c0249e8a3ad6f"><div class="ttname"><a href="screen__calibrate_8h.html#a2c0e9cadedb91327295c0249e8a3ad6f">DHEIGHT</a></div><div class="ttdeci">#define DHEIGHT</div><div class="ttdef"><b>Definition:</b> <a href="screen__calibrate_8h_source.html#l00047">screen_calibrate.h:47</a></div></div>
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<div class="ttc" id="group__touch_html_ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5"><div class="ttname"><a href="group__touch.html#ggaf9cbd5f564fae35ce693c446ca8bdd9ea9b9626b3c6c2fb5d2731f3751a0f42d5">TOUCH_DOWN</a></div><div class="ttdoc">The display is currently touched at some point. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00045">touch.h:45</a></div></div>
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<div class="ttc" id="screen__photomode__save_8c_html_a5b355141d49e5da4140613bd88d73549"><div class="ttname"><a href="screen__photomode__save_8c.html#a5b355141d49e5da4140613bd88d73549">state</a></div><div class="ttdeci">static enum @0 state</div></div>
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<div class="ttc" id="touch_8c_html_a364699025317e6e6ff3d1411802b37e6"><div class="ttname"><a href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a></div><div class="ttdeci">volatile POINT_STRUCT pos</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00038">touch.c:38</a></div></div>
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<div class="ttc" id="touch_8c_html_a0426dedaaca3b21d6346e9415f524a12"><div class="ttname"><a href="touch_8c.html#a0426dedaaca3b21d6346e9415f524a12">oldState</a></div><div class="ttdeci">volatile TOUCH_STATE oldState</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00039">touch.c:39</a></div></div>
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<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_a4b44f431c154678005298b0f0618cd37"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4b44f431c154678005298b0f0618cd37">TOUCH_AREA_STRUCT::callback</a></div><div class="ttdeci">TOUCH_CALLBACK callback</div><div class="ttdoc">Callback which is executed when an event occurred in this Area. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00078">touch.h:78</a></div></div>
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<div class="ttc" id="touch_8c_html_ac1695162cb728d8095129dad396baa0d"><div class="ttname"><a href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a></div><div class="ttdeci">#define NUM_AREAS</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00035">touch.c:35</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768a9d178dc5e5feaf072640820c35a3b64a"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a9d178dc5e5feaf072640820c35a3b64a">PEN_ENTER</a></div><div class="ttdoc">Receive an event when the pen enters the region (pen was down before) </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00056">touch.h:56</a></div></div>
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<div class="ttc" id="touch_8c_html_a8e440e007cdbbff7dc9442993266bcf0"><div class="ttname"><a href="touch_8c.html#a8e440e007cdbbff7dc9442993266bcf0">calibration</a></div><div class="ttdeci">volatile bool calibration</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00040">touch.c:40</a></div></div>
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<div class="ttc" id="touch_8c_html_aada9c4e98a37ca59cdbbdbdda4904eb8"><div class="ttname"><a href="touch_8c.html#aada9c4e98a37ca59cdbbdbdda4904eb8">use_calibration</a></div><div class="ttdeci">bool use_calibration</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00042">touch.c:42</a></div></div>
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<div class="ttc" id="touch_8c_html_ac89d8cc45a359143969e1232f4bae557"><div class="ttname"><a href="touch_8c.html#ac89d8cc45a359143969e1232f4bae557">cal_xs</a></div><div class="ttdeci">int cal_xs</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00045">touch.c:45</a></div></div>
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<div class="ttc" id="screen__calibrate_8h_html_a7f32e26ea2ffbc0c5408e65b30d4f0c8"><div class="ttname"><a href="screen__calibrate_8h.html#a7f32e26ea2ffbc0c5408e65b30d4f0c8">DWIDTH</a></div><div class="ttdeci">#define DWIDTH</div><div class="ttdef"><b>Definition:</b> <a href="screen__calibrate_8h_source.html#l00046">screen_calibrate.h:46</a></div></div>
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<div class="ttc" id="touch_8c_html_aaba6bfdc5ad487ac3b0a000c04f00caf"><div class="ttname"><a href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a></div><div class="ttdeci">TOUCH_AREA_STRUCT * areas[NUM_AREAS]</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00036">touch.c:36</a></div></div>
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<div class="ttc" id="touch_8c_html_a259e19774ad99bcb76a40bfa9a8a9e7e"><div class="ttname"><a href="touch_8c.html#a259e19774ad99bcb76a40bfa9a8a9e7e">cal_dy</a></div><div class="ttdeci">int cal_dy</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00048">touch.c:48</a></div></div>
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<div class="ttc" id="touch_8c_html_a731459fdc248eebcd6715040f1d36c44"><div class="ttname"><a href="touch_8c.html#a731459fdc248eebcd6715040f1d36c44">cal_dx</a></div><div class="ttdeci">int cal_dx</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00046">touch.c:46</a></div></div>
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<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753">PEN_LEAVE</a></div><div class="ttdoc">Receive an event when the pen leaves the region (pen was inside region before) </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00057">touch.h:57</a></div></div>
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<td class="memname"><a class="el" href="struct_p_o_i_n_t___s_t_r_u_c_t.html">POINT_STRUCT</a> touch_get_last_point </td>
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<p>Gets the last touched point </p><dl class="section return"><dt>Returns</dt><dd>The Coordinates of the last touched points </dd></dl>
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<p>Definition at line <a class="el" href="touch_8c_source.html#l00211">211</a> of file <a class="el" href="touch_8c_source.html">touch.c</a>.</p>
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<div class="fragment"><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> {</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> <a class="code" href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a>;</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> }</div>
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<div class="ttc" id="touch_8c_html_a364699025317e6e6ff3d1411802b37e6"><div class="ttname"><a href="touch_8c.html#a364699025317e6e6ff3d1411802b37e6">pos</a></div><div class="ttdeci">volatile POINT_STRUCT pos</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00038">touch.c:38</a></div></div>
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<td class="memname">bool touch_have_empty </td>
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<p>Checks whether or not we have memory to manage and track additional <code>num</code> <a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a>s </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">num</td><td>The number of touch areas you would like to allocate </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>True if there's enough memory to allocate num TOUCH_AREAs </dd></dl>
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<p>Definition at line <a class="el" href="touch_8c_source.html#l00165">165</a> of file <a class="el" href="touch_8c_source.html">touch.c</a>.</p>
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<div class="fragment"><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> {</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">//go through pointer array and check for free spaces</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i = 0; i < <a class="code" href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a>; i++) {</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[i] == NULL) {</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  num--; <span class="comment">//a free space was found, we need one less</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (num == 0) {</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">//enough free spaces found</span></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">//not enough free spaces found</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> }</div>
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<div class="ttc" id="touch_8c_html_ac1695162cb728d8095129dad396baa0d"><div class="ttname"><a href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a></div><div class="ttdeci">#define NUM_AREAS</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00035">touch.c:35</a></div></div>
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<div class="ttc" id="touch_8c_html_aaba6bfdc5ad487ac3b0a000c04f00caf"><div class="ttname"><a href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a></div><div class="ttdeci">TOUCH_AREA_STRUCT * areas[NUM_AREAS]</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00036">touch.c:36</a></div></div>
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<td class="memname">bool touch_init </td>
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<td>(</td>
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<p>Initializes the Touch Controller. Call this method before using any touch_* functions </p><dl class="section return"><dt>Returns</dt><dd>true on success </dd></dl>
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<p>Definition at line <a class="el" href="touch_8c_source.html#l00061">61</a> of file <a class="el" href="touch_8c_source.html">touch.c</a>.</p>
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<div class="fragment"><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> <a class="code" href="group__ll__touch.html#ga91ec460ea9b170c352be4173da2eaf48">ll_touch_init</a>();</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div>
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<div class="ttc" id="group__ll__touch_html_ga91ec460ea9b170c352be4173da2eaf48"><div class="ttname"><a href="group__ll__touch.html#ga91ec460ea9b170c352be4173da2eaf48">ll_touch_init</a></div><div class="ttdeci">bool ll_touch_init()</div></div>
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<td class="memname">bool touch_register_area </td>
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<td class="paramtype"><a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a> * </td>
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<p>Registers a new touch Area. You will receive events for this area from now on. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">area</td><td>A pointer to the configured <a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a> </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>True if everything was successful and the corresponding Touch Area will be monitored from now on </dd></dl>
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<p>Definition at line <a class="el" href="touch_8c_source.html#l00181">181</a> of file <a class="el" href="touch_8c_source.html">touch.c</a>.</p>
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<div class="fragment"><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> {</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">//go through pointer array and check for free space</span></div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i = 0; i < <a class="code" href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a>; i++) {</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[i] == NULL) { <span class="comment">//free space found</span></div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  area-><a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa2585d779da0ab21273a8d92de9a0ebe">flags</a> = 0; <span class="comment">//we start with empty flags (PenInside=0)</span></div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[i] = area; <span class="comment">//save pointer into list</span></div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">//no free space found</span></div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div>
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<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_aa2585d779da0ab21273a8d92de9a0ebe"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa2585d779da0ab21273a8d92de9a0ebe">TOUCH_AREA_STRUCT::flags</a></div><div class="ttdeci">uint8_t flags</div><div class="ttdoc">For internal use, don't change, don't initialize. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00079">touch.h:79</a></div></div>
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<div class="ttc" id="touch_8c_html_ac1695162cb728d8095129dad396baa0d"><div class="ttname"><a href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a></div><div class="ttdeci">#define NUM_AREAS</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00035">touch.c:35</a></div></div>
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<div class="ttc" id="touch_8c_html_aaba6bfdc5ad487ac3b0a000c04f00caf"><div class="ttname"><a href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a></div><div class="ttdeci">TOUCH_AREA_STRUCT * areas[NUM_AREAS]</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00036">touch.c:36</a></div></div>
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<td class="memname">void touch_set_calibration_values </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>xs</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>dx</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>ys</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>dy</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Set's the new calibration values </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">xs</td><td>x offset (to calibration point 1) </td></tr>
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<tr><td class="paramname">dx</td><td>x difference (between calibration point 1 and 2) </td></tr>
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<tr><td class="paramname">ys</td><td>y offset (to calibration point 1) </td></tr>
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<tr><td class="paramname">dy</td><td>y difference (between calibration point 1 and 2) </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="touch_8c_source.html#l00051">51</a> of file <a class="el" href="touch_8c_source.html">touch.c</a>.</p>
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<div class="fragment"><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="touch_8c.html#ac89d8cc45a359143969e1232f4bae557">cal_xs</a> = xs;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="touch_8c.html#ae7dfacb1205c5fc478a64afbc466327d">cal_ys</a> = ys;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="touch_8c.html#a731459fdc248eebcd6715040f1d36c44">cal_dx</a> = dx;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="touch_8c.html#a259e19774ad99bcb76a40bfa9a8a9e7e">cal_dy</a> = dy;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div>
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<div class="ttc" id="touch_8c_html_ae7dfacb1205c5fc478a64afbc466327d"><div class="ttname"><a href="touch_8c.html#ae7dfacb1205c5fc478a64afbc466327d">cal_ys</a></div><div class="ttdeci">int cal_ys</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00047">touch.c:47</a></div></div>
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<div class="ttc" id="touch_8c_html_ac89d8cc45a359143969e1232f4bae557"><div class="ttname"><a href="touch_8c.html#ac89d8cc45a359143969e1232f4bae557">cal_xs</a></div><div class="ttdeci">int cal_xs</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00045">touch.c:45</a></div></div>
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<div class="ttc" id="touch_8c_html_a259e19774ad99bcb76a40bfa9a8a9e7e"><div class="ttname"><a href="touch_8c.html#a259e19774ad99bcb76a40bfa9a8a9e7e">cal_dy</a></div><div class="ttdeci">int cal_dy</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00048">touch.c:48</a></div></div>
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<div class="ttc" id="touch_8c_html_a731459fdc248eebcd6715040f1d36c44"><div class="ttname"><a href="touch_8c.html#a731459fdc248eebcd6715040f1d36c44">cal_dx</a></div><div class="ttdeci">int cal_dx</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00046">touch.c:46</a></div></div>
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</div><!-- fragment -->
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<p><div class="dynheader">
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Here is the caller graph for this function:</div>
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<div class="center"><img src="group__touch_gacc714477cb936ab22e00904a69bbc022_icgraph.png" border="0" usemap="#group__touch_gacc714477cb936ab22e00904a69bbc022_icgraph" alt=""/></div>
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<area shape="rect" id="node2" href="screen__calibrate_8c.html#a5e8f84ee8ff4bf827775c38ae6752509" title="update" alt="" coords="199,13,260,39"/></map>
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<td class="memname">void touch_set_value_convert_mode </td>
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<td>(</td>
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<td class="paramtype">bool </td>
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<td class="paramname"><em>use_calibration</em></td><td>)</td>
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<td></td>
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<p>Set's the new value convert mode. Per default use_calibration is false. </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">use_calibration</td><td>whether or not the current platform needs display calibration </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="touch_8c_source.html#l00066">66</a> of file <a class="el" href="touch_8c_source.html">touch.c</a>.</p>
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<div class="fragment"><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="touch_8c.html#aada9c4e98a37ca59cdbbdbdda4904eb8">use_calibration</a> = uc;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="ttc" id="touch_8c_html_aada9c4e98a37ca59cdbbdbdda4904eb8"><div class="ttname"><a href="touch_8c.html#aada9c4e98a37ca59cdbbdbdda4904eb8">use_calibration</a></div><div class="ttdeci">bool use_calibration</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00042">touch.c:42</a></div></div>
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</div><!-- fragment -->
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<td class="memname">void touch_unregister_area </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a> * </td>
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<td class="paramname"><em>area</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Unregisters a touch area. You will no longer receive events for this area </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">area</td><td>A pointer to the <a class="el" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a> instance </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="touch_8c_source.html#l00195">195</a> of file <a class="el" href="touch_8c_source.html">touch.c</a>.</p>
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<div class="fragment"><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> {</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (area == NULL) {</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">//go through pointer array and find the area to remove</span></div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i = 0; i < <a class="code" href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a>; i++) {</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">if</span> (<a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[i] == area) { <span class="comment">//area found in pointer array at pos i</span></div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a>[i] = NULL; <span class="comment">//set pointer in list to NULL again</span></div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> }</div>
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<div class="ttc" id="touch_8c_html_ac1695162cb728d8095129dad396baa0d"><div class="ttname"><a href="touch_8c.html#ac1695162cb728d8095129dad396baa0d">NUM_AREAS</a></div><div class="ttdeci">#define NUM_AREAS</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00035">touch.c:35</a></div></div>
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<div class="ttc" id="touch_8c_html_aaba6bfdc5ad487ac3b0a000c04f00caf"><div class="ttname"><a href="touch_8c.html#aaba6bfdc5ad487ac3b0a000c04f00caf">areas</a></div><div class="ttdeci">TOUCH_AREA_STRUCT * areas[NUM_AREAS]</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00036">touch.c:36</a></div></div>
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</div><!-- fragment -->
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Here is the caller graph for this function:</div>
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<div class="center"><img src="group__touch_gaa7d6cd569335d0ddfc9eeab479f3a0a8_icgraph.png" border="0" usemap="#group__touch_gaa7d6cd569335d0ddfc9eeab479f3a0a8_icgraph" alt=""/></div>
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<map name="group__touch_gaa7d6cd569335d0ddfc9eeab479f3a0a8_icgraph" id="group__touch_gaa7d6cd569335d0ddfc9eeab479f3a0a8_icgraph">
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<area shape="rect" id="node2" href="screen__guitest_8c.html#acd1409088e83cf2a8ba2cf96dd9b52f8" title="leave" alt="" coords="593,164,644,191"/><area shape="rect" id="node3" href="screen__photomode__save_8c.html#a3d1decbb81b0f181eb0561c0f5f8fe3c" title="touchCB" alt="" coords="233,63,305,89"/><area shape="rect" id="node5" href="screen__tracking_8c.html#a5e8f84ee8ff4bf827775c38ae6752509" title="update" alt="" coords="239,113,300,140"/><area shape="rect" id="node6" href="group__button.html#ga39e6ec07616381a15f276cd821dad4fd" title="gui_button_remove" alt="" coords="204,164,335,191"/><area shape="rect" id="node9" href="group__checkbox.html#ga86fc603e59c7a723138b77f4a8f39e76" title="gui_checkbox_remove" alt="" coords="389,215,539,241"/><area shape="rect" id="node4" href="screen__photomode__save_8c.html#a5e8f84ee8ff4bf827775c38ae6752509" title="update" alt="" coords="433,63,495,89"/><area shape="rect" id="node7" href="screen__filetest_8c.html#acd1409088e83cf2a8ba2cf96dd9b52f8" title="leave" alt="" coords="439,113,489,140"/><area shape="rect" id="node8" href="group__numupdown.html#ga9470a5c6f0ffbbda7c56e1b8a59f4b97" title="gui_numupdown_remove" alt="" coords="383,164,545,191"/></map>
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