Revision 241
Updated libdragonfly documentation.
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<title>libdragonfly: Digital Input / Output</title> |
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<h1>Digital Input / Output</h1>Controls digital input and output. |
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<a href="#_details">More...</a><table border="0" cellpadding="0" cellspacing="0"> |
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The pin number can be found by doing portpin & 0b111.<br> |
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<p> |
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Include <a class="el" href="dio_8h.html">dio.h</a> to access these functions. <hr><h2>Function Documentation</h2> |
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<a class="anchor" name="g1f8648caa59384d58fc157d8933f4be5"></a><!-- doxytag: member="dio.h::button1_click" ref="g1f8648caa59384d58fc157d8933f4be5" args="(void)" --><p> |
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Include <a class="el" href="dio_8h.html" title="Definitions for digital input / output.">dio.h</a> to access these functions. <hr><h2>Function Documentation</h2> |
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<a class="anchor" name="g1f8648caa59384d58fc157d8933f4be5"></a><!-- doxytag: member="dio.h::button1_click" ref="g1f8648caa59384d58fc157d8933f4be5" args="(void)" --> |
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<td class="md" nowrap valign="top">int button1_click </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">void </td>
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<td class="md" valign="top"> ) </td>
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<td class="memname">int button1_click </td>
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<td class="paramtype">void </td>
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Check if button1 is clicked. |
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If button1 is pressed, waits until it is released before returning. Otherwise, the function returns immediately.<p> |
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<dl compact><dt><b>Returns:</b></dt><dd>1 if button1 has been pressed, 0 otherwise</dd></dl> |
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#gedac5cd2a11710ab4294de2ae4efe989">button1_read</a>, <a class="el" href="group__dio.html#g63755dc896b16e09d5223cada174d87b">button1_wait</a> </dd></dl> |
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<a class="anchor" name="gedac5cd2a11710ab4294de2ae4efe989"></a><!-- doxytag: member="dio.h::button1_read" ref="gedac5cd2a11710ab4294de2ae4efe989" args="(void)" --><p> |
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if button1 has been pressed, 0 otherwise</dd></dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#gedac5cd2a11710ab4294de2ae4efe989" title="Check if button1 is pressed.">button1_read</a>, <a class="el" href="group__dio.html#g63755dc896b16e09d5223cada174d87b" title="Wait until button1 is pressed.">button1_wait</a> </dd></dl> |
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<a class="anchor" name="gedac5cd2a11710ab4294de2ae4efe989"></a><!-- doxytag: member="dio.h::button1_read" ref="gedac5cd2a11710ab4294de2ae4efe989" args="(void)" --> |
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<td class="md" nowrap valign="top">int button1_read </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">void </td>
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<td class="memname">int button1_read </td>
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Check if button1 is pressed. |
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Checks if button1 is currently pressed.<p> |
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<dl compact><dt><b>Returns:</b></dt><dd>1 if button1 is pressed, 0 otherwise</dd></dl> |
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#g63755dc896b16e09d5223cada174d87b">button1_wait</a>, <a class="el" href="group__dio.html#g1f8648caa59384d58fc157d8933f4be5">button1_click</a> </dd></dl> |
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<a class="anchor" name="g63755dc896b16e09d5223cada174d87b"></a><!-- doxytag: member="dio.h::button1_wait" ref="g63755dc896b16e09d5223cada174d87b" args="(void)" --><p> |
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if button1 is pressed, 0 otherwise</dd></dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#g63755dc896b16e09d5223cada174d87b" title="Wait until button1 is pressed.">button1_wait</a>, <a class="el" href="group__dio.html#g1f8648caa59384d58fc157d8933f4be5" title="Check if button1 is clicked.">button1_click</a> </dd></dl> |
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<a class="anchor" name="g63755dc896b16e09d5223cada174d87b"></a><!-- doxytag: member="dio.h::button1_wait" ref="g63755dc896b16e09d5223cada174d87b" args="(void)" --> |
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<td class="md" nowrap valign="top">void button1_wait </td>
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<td class="md" valign="top">( </td>
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<td class="memname">void button1_wait </td>
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Wait until button1 is pressed. |
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Delays execution until button1 is pressed.<p> |
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#gedac5cd2a11710ab4294de2ae4efe989">button1_read</a>, <a class="el" href="group__dio.html#g1f8648caa59384d58fc157d8933f4be5">button1_click</a> </dd></dl> |
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<a class="anchor" name="g4147c347b473bd41c0a0f02af4dd39f2"></a><!-- doxytag: member="dio.h::button2_click" ref="g4147c347b473bd41c0a0f02af4dd39f2" args="(void)" --><p> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#gedac5cd2a11710ab4294de2ae4efe989" title="Check if button1 is pressed.">button1_read</a>, <a class="el" href="group__dio.html#g1f8648caa59384d58fc157d8933f4be5" title="Check if button1 is clicked.">button1_click</a> </dd></dl> |
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<a class="anchor" name="g4147c347b473bd41c0a0f02af4dd39f2"></a><!-- doxytag: member="dio.h::button2_click" ref="g4147c347b473bd41c0a0f02af4dd39f2" args="(void)" --> |
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Check if button2 is clicked. |
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If button2 is pressed, waits until it is released before returning. Otherwise, the function returns immediately.<p> |
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<dl compact><dt><b>Returns:</b></dt><dd>1 if button2 has been pressed, 0 otherwise</dd></dl> |
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#g65e4c13e999fdfa9da3394d0175f17aa">button2_read</a>, <a class="el" href="group__dio.html#g4971f4473e759bcff2e2758e75bcdbe8">button2_wait</a> </dd></dl> |
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<a class="anchor" name="g65e4c13e999fdfa9da3394d0175f17aa"></a><!-- doxytag: member="dio.h::button2_read" ref="g65e4c13e999fdfa9da3394d0175f17aa" args="(void)" --><p> |
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if button2 has been pressed, 0 otherwise</dd></dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#g65e4c13e999fdfa9da3394d0175f17aa" title="Check if button2 is pressed.">button2_read</a>, <a class="el" href="group__dio.html#g4971f4473e759bcff2e2758e75bcdbe8" title="Wait until button2 is pressed.">button2_wait</a> </dd></dl> |
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<a class="anchor" name="g65e4c13e999fdfa9da3394d0175f17aa"></a><!-- doxytag: member="dio.h::button2_read" ref="g65e4c13e999fdfa9da3394d0175f17aa" args="(void)" --> |
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Check if button2 is pressed. |
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Checks if button2 is currently pressed.<p> |
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<dl compact><dt><b>Returns:</b></dt><dd>1 if button2 is pressed, 0 otherwise</dd></dl> |
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#g4971f4473e759bcff2e2758e75bcdbe8">button2_wait</a>, <a class="el" href="group__dio.html#g4147c347b473bd41c0a0f02af4dd39f2">button2_click</a> </dd></dl> |
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<a class="anchor" name="g4971f4473e759bcff2e2758e75bcdbe8"></a><!-- doxytag: member="dio.h::button2_wait" ref="g4971f4473e759bcff2e2758e75bcdbe8" args="(void)" --><p> |
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if button2 is pressed, 0 otherwise</dd></dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#g4971f4473e759bcff2e2758e75bcdbe8" title="Wait until button2 is pressed.">button2_wait</a>, <a class="el" href="group__dio.html#g4147c347b473bd41c0a0f02af4dd39f2" title="Check if button2 is clicked.">button2_click</a> </dd></dl> |
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<a class="anchor" name="g4971f4473e759bcff2e2758e75bcdbe8"></a><!-- doxytag: member="dio.h::button2_wait" ref="g4971f4473e759bcff2e2758e75bcdbe8" args="(void)" --> |
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Wait until button2 is pressed. |
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Delays execution until button2 is pressed.<p> |
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#g65e4c13e999fdfa9da3394d0175f17aa">button2_read</a>, <a class="el" href="group__dio.html#g4147c347b473bd41c0a0f02af4dd39f2">button2_click</a> </dd></dl> |
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<a class="anchor" name="g6202143ed6d0f809095c21bfac32acdd"></a><!-- doxytag: member="dio.h::digital_input" ref="g6202143ed6d0f809095c21bfac32acdd" args="(int)" --><p> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__dio.html#g65e4c13e999fdfa9da3394d0175f17aa" title="Check if button2 is pressed.">button2_read</a>, <a class="el" href="group__dio.html#g4147c347b473bd41c0a0f02af4dd39f2" title="Check if button2 is clicked.">button2_click</a> </dd></dl> |
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<a class="anchor" name="g6202143ed6d0f809095c21bfac32acdd"></a><!-- doxytag: member="dio.h::digital_input" ref="g6202143ed6d0f809095c21bfac32acdd" args="(int)" --> |
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<td class="md" nowrap valign="top">int digital_input </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">int </td>
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<td class="mdname1" valign="top" nowrap> <em>portpin</em> </td>
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<td class="md" valign="top"> ) </td>
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<td class="memname">int digital_input </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>portpin</em> </td>
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<td> ) </td> |
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Read a portpin. |
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<tr><td valign="top"></td><td valign="top"><em>portpin</em> </td><td>The portpin to be read. See the general description for a description of portpins.</td></tr> |
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<dl compact><dt><b>Returns:</b></dt><dd>1 or 0, depending on the value of the portpin. </dd></dl> |
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<a class="anchor" name="g67967857dcc26aeea8cdd0a53a9e138d"></a><!-- doxytag: member="dio.h::digital_output" ref="g67967857dcc26aeea8cdd0a53a9e138d" args="(int bit, int val)" --><p> |
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 or 0, depending on the value of the portpin. </dd></dl> |
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<a class="anchor" name="g67967857dcc26aeea8cdd0a53a9e138d"></a><!-- doxytag: member="dio.h::digital_output" ref="g67967857dcc26aeea8cdd0a53a9e138d" args="(int bit, int val)" --> |
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<td class="md" nowrap valign="top">void digital_output </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">int </td>
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<td class="memname">void digital_output </td>
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<td class="paramtype">int </td>
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<td class="md">) </td>
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<td>)</td>
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Output to a portpin. |
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<tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>the value to set the portpin to. 0 for off, nonzero for on. </td></tr> |
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<a class="anchor" name="g6bcadb9200f988ae733a51aa70467978"></a><!-- doxytag: member="dio.h::digital_pull_up" ref="g6bcadb9200f988ae733a51aa70467978" args="(int)" --><p> |
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<a class="anchor" name="g6bcadb9200f988ae733a51aa70467978"></a><!-- doxytag: member="dio.h::digital_pull_up" ref="g6bcadb9200f988ae733a51aa70467978" args="(int)" --> |
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<td class="md" nowrap valign="top">int </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>portpin</em> </td>
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Pullup a portpin. |
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<tr><td valign="top"></td><td valign="top"><em>portpin</em> </td><td>the pin to enable pullup on. See the general description for a discussion of portpins. </td></tr> |
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<hr size="1"><address style="align: right;"><small>Generated on Wed Sep 26 17:39:30 2007 for libdragonfly by
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<hr size="1"><address style="text-align: right;"><small>Generated on Thu Nov 8 23:15:40 2007 for libdragonfly by
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<a href="http://www.doxygen.org/index.html"> |
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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