339 lines
16 KiB
HTML
339 lines
16 KiB
HTML
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<title>Sensor Watch: Digital Input and Output</title>
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<div id="projectname">Sensor Watch<span id="projectnumber"> 0.0.2</span>
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</div>
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<div id="projectbrief">A board replacement for the classic Casio F-91W wristwatch, powered by a Microchip SAM L22 microcontroller.</div>
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</td>
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<div class="header">
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<div class="summary">
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle"><div class="title">Digital Input and Output</div></div>
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</div><!--header-->
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<div class="contents">
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<p>This section covers functions related to general-purpose input and output signals.
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<a href="#details">More...</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga8f6035dc4a5226fa34504e8a5a930e0c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio.html#ga8f6035dc4a5226fa34504e8a5a930e0c">watch_enable_digital_input</a> (const uint8_t pin)</td></tr>
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<tr class="memdesc:ga8f6035dc4a5226fa34504e8a5a930e0c"><td class="mdescLeft"> </td><td class="mdescRight">Configures the selected pin for digital input. <a href="group__gpio.html#ga8f6035dc4a5226fa34504e8a5a930e0c">More...</a><br /></td></tr>
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<tr class="separator:ga8f6035dc4a5226fa34504e8a5a930e0c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae58e015e96f9e9c42a664b69185265b9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio.html#gae58e015e96f9e9c42a664b69185265b9">watch_disable_digital_input</a> (const uint8_t pin)</td></tr>
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<tr class="memdesc:gae58e015e96f9e9c42a664b69185265b9"><td class="mdescLeft"> </td><td class="mdescRight">Disables any digital input, along with any pull-up or pull-down configuration. <a href="group__gpio.html#gae58e015e96f9e9c42a664b69185265b9">More...</a><br /></td></tr>
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<tr class="separator:gae58e015e96f9e9c42a664b69185265b9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga55a16884f634ee0eb2c981d1b9a06a4d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio.html#ga55a16884f634ee0eb2c981d1b9a06a4d">watch_enable_pull_up</a> (const uint8_t pin)</td></tr>
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<tr class="memdesc:ga55a16884f634ee0eb2c981d1b9a06a4d"><td class="mdescLeft"> </td><td class="mdescRight">Enables a pull-up resistor on the selected pin. <a href="group__gpio.html#ga55a16884f634ee0eb2c981d1b9a06a4d">More...</a><br /></td></tr>
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<tr class="separator:ga55a16884f634ee0eb2c981d1b9a06a4d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae974fce4ac5d38ffe256186a84c63ff9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio.html#gae974fce4ac5d38ffe256186a84c63ff9">watch_enable_pull_down</a> (const uint8_t pin)</td></tr>
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<tr class="memdesc:gae974fce4ac5d38ffe256186a84c63ff9"><td class="mdescLeft"> </td><td class="mdescRight">Enables a pull-down resistor on the selected pin. <a href="group__gpio.html#gae974fce4ac5d38ffe256186a84c63ff9">More...</a><br /></td></tr>
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<tr class="separator:gae974fce4ac5d38ffe256186a84c63ff9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gacc7c5e867c05cd03f5955e8e8036b879"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio.html#gacc7c5e867c05cd03f5955e8e8036b879">watch_get_pin_level</a> (const uint8_t pin)</td></tr>
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<tr class="memdesc:gacc7c5e867c05cd03f5955e8e8036b879"><td class="mdescLeft"> </td><td class="mdescRight">Gets the level of the selected pin. <a href="group__gpio.html#gacc7c5e867c05cd03f5955e8e8036b879">More...</a><br /></td></tr>
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<tr class="separator:gacc7c5e867c05cd03f5955e8e8036b879"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf73a6405eb90bc6de32fb66f512fe4a9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio.html#gaf73a6405eb90bc6de32fb66f512fe4a9">watch_enable_digital_output</a> (const uint8_t pin)</td></tr>
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<tr class="memdesc:gaf73a6405eb90bc6de32fb66f512fe4a9"><td class="mdescLeft"> </td><td class="mdescRight">Configures the selected pin for digital output. <a href="group__gpio.html#gaf73a6405eb90bc6de32fb66f512fe4a9">More...</a><br /></td></tr>
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<tr class="separator:gaf73a6405eb90bc6de32fb66f512fe4a9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga15b40170b4225ac6a927da1d76e4fd3d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio.html#ga15b40170b4225ac6a927da1d76e4fd3d">watch_disable_digital_output</a> (const uint8_t pin)</td></tr>
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<tr class="memdesc:ga15b40170b4225ac6a927da1d76e4fd3d"><td class="mdescLeft"> </td><td class="mdescRight">Disables digital output on the selected pin. <a href="group__gpio.html#ga15b40170b4225ac6a927da1d76e4fd3d">More...</a><br /></td></tr>
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<tr class="separator:ga15b40170b4225ac6a927da1d76e4fd3d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2e781c7e15045d2270f0cb3f87d619d6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio.html#ga2e781c7e15045d2270f0cb3f87d619d6">watch_set_pin_level</a> (const uint8_t pin, const bool level)</td></tr>
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<tr class="memdesc:ga2e781c7e15045d2270f0cb3f87d619d6"><td class="mdescLeft"> </td><td class="mdescRight">Sets the level of the selected pin. <a href="group__gpio.html#ga2e781c7e15045d2270f0cb3f87d619d6">More...</a><br /></td></tr>
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<tr class="separator:ga2e781c7e15045d2270f0cb3f87d619d6"><td class="memSeparator" colspan="2"> </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 >This section covers functions related to general-purpose input and output signals. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="gae58e015e96f9e9c42a664b69185265b9" name="gae58e015e96f9e9c42a664b69185265b9"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gae58e015e96f9e9c42a664b69185265b9">◆ </a></span>watch_disable_digital_input()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void watch_disable_digital_input </td>
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<td>(</td>
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<td class="paramtype">const uint8_t </td>
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<td class="paramname"><em>pin</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Disables any digital input, along with any pull-up or pull-down configuration. </p>
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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">pin</td><td>The pin that you wish to disable. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="ga15b40170b4225ac6a927da1d76e4fd3d" name="ga15b40170b4225ac6a927da1d76e4fd3d"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga15b40170b4225ac6a927da1d76e4fd3d">◆ </a></span>watch_disable_digital_output()</h2>
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<div class="memitem">
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<div class="memproto">
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<td class="memname">void watch_disable_digital_output </td>
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<td>(</td>
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<td class="paramtype">const uint8_t </td>
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<td class="paramname"><em>pin</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Disables digital output on the selected pin. </p>
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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">pin</td><td>The pin that you wish disable. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="ga8f6035dc4a5226fa34504e8a5a930e0c" name="ga8f6035dc4a5226fa34504e8a5a930e0c"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8f6035dc4a5226fa34504e8a5a930e0c">◆ </a></span>watch_enable_digital_input()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void watch_enable_digital_input </td>
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<td>(</td>
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<td class="paramtype">const uint8_t </td>
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<td class="paramname"><em>pin</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Configures the selected pin for digital input. </p>
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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">pin</td><td>The pin that you wish to act as an input. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="gaf73a6405eb90bc6de32fb66f512fe4a9" name="gaf73a6405eb90bc6de32fb66f512fe4a9"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf73a6405eb90bc6de32fb66f512fe4a9">◆ </a></span>watch_enable_digital_output()</h2>
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<div class="memitem">
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<table class="memname">
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<tr>
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<td class="memname">void watch_enable_digital_output </td>
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<td>(</td>
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<td class="paramtype">const uint8_t </td>
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<td class="paramname"><em>pin</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Configures the selected pin for digital output. </p>
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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">pin</td><td>The pin that you wish to act as an output. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="gae974fce4ac5d38ffe256186a84c63ff9" name="gae974fce4ac5d38ffe256186a84c63ff9"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gae974fce4ac5d38ffe256186a84c63ff9">◆ </a></span>watch_enable_pull_down()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void watch_enable_pull_down </td>
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<td>(</td>
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<td class="paramtype">const uint8_t </td>
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<td class="paramname"><em>pin</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Enables a pull-down resistor on the selected pin. </p>
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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">pin</td><td>The pin that you wish to configure. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="ga55a16884f634ee0eb2c981d1b9a06a4d" name="ga55a16884f634ee0eb2c981d1b9a06a4d"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga55a16884f634ee0eb2c981d1b9a06a4d">◆ </a></span>watch_enable_pull_up()</h2>
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<div class="memitem">
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<td class="memname">void watch_enable_pull_up </td>
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<td>(</td>
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<td class="paramtype">const uint8_t </td>
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<td class="paramname"><em>pin</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Enables a pull-up resistor on the selected pin. </p>
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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">pin</td><td>The pin that you wish to configure. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="gacc7c5e867c05cd03f5955e8e8036b879" name="gacc7c5e867c05cd03f5955e8e8036b879"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gacc7c5e867c05cd03f5955e8e8036b879">◆ </a></span>watch_get_pin_level()</h2>
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<div class="memitem">
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<td class="memname">bool watch_get_pin_level </td>
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<td>(</td>
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<td class="paramtype">const uint8_t </td>
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<td class="paramname"><em>pin</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Gets the level of the selected pin. </p>
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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">pin</td><td>The pin whose value you wish to read. </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 if the pin was logic high; otherwise, false. </dd></dl>
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</div>
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</div>
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<a id="ga2e781c7e15045d2270f0cb3f87d619d6" name="ga2e781c7e15045d2270f0cb3f87d619d6"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2e781c7e15045d2270f0cb3f87d619d6">◆ </a></span>watch_set_pin_level()</h2>
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<div class="memitem">
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<td class="memname">void watch_set_pin_level </td>
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<td>(</td>
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<td class="paramtype">const uint8_t </td>
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<td class="paramname"><em>pin</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">const bool </td>
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<td class="paramname"><em>level</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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</tr>
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</table>
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</div><div class="memdoc">
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<p>Sets the level of the selected pin. </p>
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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">pin</td><td>The pin whose value you wish to set. </td></tr>
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<tr><td class="paramname">level</td><td>The level you wish to set: true for high, false for low. </td></tr>
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</table>
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</dd>
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</dl>
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</div><!-- contents -->
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