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<title>Sensor Watch: watch-library/shared/watch/watch_gpio.h Source File</title>
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<div id="projectname">Sensor Watch<span id="projectnumber"> 0.0.0</span>
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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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<li class="navelem"><a class="el" href="dir_f1a087a6659d970f5756e21fc1ac4961.html">watch-library</a></li><li class="navelem"><a class="el" href="dir_3351a3556ab4b770be21f3a77a6d7b80.html">shared</a></li><li class="navelem"><a class="el" href="dir_280ec1f3fe74f12cdd5c78898ed1ca3c.html">watch</a></li> </ul>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * MIT License</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * Copyright (c) 2020 Joey Castillo</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> *</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * of this software and associated documentation files (the "Software"), to deal</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * in the Software without restriction, including without limitation the rights</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * copies of the Software, and to permit persons to whom the Software is</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * furnished to do so, subject to the following conditions:</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * copies or substantial portions of the Software.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> *</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment"> * SOFTWARE.</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment"> */</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#ifndef _WATCH_GPIO_H_INCLUDED</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#define _WATCH_GPIO_H_INCLUDED</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="watch_8h.html">watch.h</a>"</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="group__gpio.html#ga8f6035dc4a5226fa34504e8a5a930e0c"> 37</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__gpio.html#ga8f6035dc4a5226fa34504e8a5a930e0c">watch_enable_digital_input</a>(<span class="keyword">const</span> uint8_t pin);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="group__gpio.html#gae58e015e96f9e9c42a664b69185265b9"> 42</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__gpio.html#gae58e015e96f9e9c42a664b69185265b9">watch_disable_digital_input</a>(<span class="keyword">const</span> uint8_t pin);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="group__gpio.html#ga55a16884f634ee0eb2c981d1b9a06a4d"> 47</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__gpio.html#ga55a16884f634ee0eb2c981d1b9a06a4d">watch_enable_pull_up</a>(<span class="keyword">const</span> uint8_t pin);</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="group__gpio.html#gae974fce4ac5d38ffe256186a84c63ff9"> 52</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__gpio.html#gae974fce4ac5d38ffe256186a84c63ff9">watch_enable_pull_down</a>(<span class="keyword">const</span> uint8_t pin);</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="group__gpio.html#gacc7c5e867c05cd03f5955e8e8036b879"> 58</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="group__gpio.html#gacc7c5e867c05cd03f5955e8e8036b879">watch_get_pin_level</a>(<span class="keyword">const</span> uint8_t pin);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="group__gpio.html#gaf73a6405eb90bc6de32fb66f512fe4a9"> 63</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__gpio.html#gaf73a6405eb90bc6de32fb66f512fe4a9">watch_enable_digital_output</a>(<span class="keyword">const</span> uint8_t pin);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"><a class="line" href="group__gpio.html#ga15b40170b4225ac6a927da1d76e4fd3d"> 68</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__gpio.html#ga15b40170b4225ac6a927da1d76e4fd3d">watch_disable_digital_output</a>(<span class="keyword">const</span> uint8_t pin);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="group__gpio.html#ga2e781c7e15045d2270f0cb3f87d619d6"> 74</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__gpio.html#ga2e781c7e15045d2270f0cb3f87d619d6">watch_set_pin_level</a>(<span class="keyword">const</span> uint8_t pin, <span class="keyword">const</span> <span class="keywordtype">bool</span> level);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="agroup__gpio_html_ga15b40170b4225ac6a927da1d76e4fd3d"><div class="ttname"><a href="group__gpio.html#ga15b40170b4225ac6a927da1d76e4fd3d">watch_disable_digital_output</a></div><div class="ttdeci">void watch_disable_digital_output(const uint8_t pin)</div><div class="ttdoc">Disables digital output on the selected pin.</div></div>
<div class="ttc" id="agroup__gpio_html_ga2e781c7e15045d2270f0cb3f87d619d6"><div class="ttname"><a href="group__gpio.html#ga2e781c7e15045d2270f0cb3f87d619d6">watch_set_pin_level</a></div><div class="ttdeci">void watch_set_pin_level(const uint8_t pin, const bool level)</div><div class="ttdoc">Sets the level of the selected pin.</div></div>
<div class="ttc" id="agroup__gpio_html_ga55a16884f634ee0eb2c981d1b9a06a4d"><div class="ttname"><a href="group__gpio.html#ga55a16884f634ee0eb2c981d1b9a06a4d">watch_enable_pull_up</a></div><div class="ttdeci">void watch_enable_pull_up(const uint8_t pin)</div><div class="ttdoc">Enables a pull-up resistor on the selected pin.</div></div>
<div class="ttc" id="agroup__gpio_html_ga8f6035dc4a5226fa34504e8a5a930e0c"><div class="ttname"><a href="group__gpio.html#ga8f6035dc4a5226fa34504e8a5a930e0c">watch_enable_digital_input</a></div><div class="ttdeci">void watch_enable_digital_input(const uint8_t pin)</div><div class="ttdoc">Configures the selected pin for digital input.</div></div>
<div class="ttc" id="agroup__gpio_html_gacc7c5e867c05cd03f5955e8e8036b879"><div class="ttname"><a href="group__gpio.html#gacc7c5e867c05cd03f5955e8e8036b879">watch_get_pin_level</a></div><div class="ttdeci">bool watch_get_pin_level(const uint8_t pin)</div><div class="ttdoc">Gets the level of the selected pin.</div></div>
<div class="ttc" id="agroup__gpio_html_gae58e015e96f9e9c42a664b69185265b9"><div class="ttname"><a href="group__gpio.html#gae58e015e96f9e9c42a664b69185265b9">watch_disable_digital_input</a></div><div class="ttdeci">void watch_disable_digital_input(const uint8_t pin)</div><div class="ttdoc">Disables any digital input, along with any pull-up or pull-down configuration.</div></div>
<div class="ttc" id="agroup__gpio_html_gae974fce4ac5d38ffe256186a84c63ff9"><div class="ttname"><a href="group__gpio.html#gae974fce4ac5d38ffe256186a84c63ff9">watch_enable_pull_down</a></div><div class="ttdeci">void watch_enable_pull_down(const uint8_t pin)</div><div class="ttdoc">Enables a pull-down resistor on the selected pin.</div></div>
<div class="ttc" id="agroup__gpio_html_gaf73a6405eb90bc6de32fb66f512fe4a9"><div class="ttname"><a href="group__gpio.html#gaf73a6405eb90bc6de32fb66f512fe4a9">watch_enable_digital_output</a></div><div class="ttdeci">void watch_enable_digital_output(const uint8_t pin)</div><div class="ttdoc">Configures the selected pin for digital output.</div></div>
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