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ITEADLIB_Arduino_Nextion/doc/Documentation/_comp_gpio_8ino-example.html
huangxiaoming 268d352abd update example version and doc
2017-01-06 14:06:28 +08:00

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div class="title">CompGpio.ino</div> </div>
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<dl class="section user"><dt>How to Use</dt><dd>This example shows that In nextion screen displays the current IO mouth level change, to show how to use the API.</dd></dl>
<dl class="section author"><dt>Author</dt><dd>huangxiaoming (email:<a href="#" onclick="location.href='mai'+'lto:'+'xia'+'om'+'ing'+'.h'+'uan'+'g@'+'ite'+'ad'+'.cc'; return false;">xiaom<span style="display: none;">.nosp@m.</span>ing.<span style="display: none;">.nosp@m.</span>huang<span style="display: none;">.nosp@m.</span>@ite<span style="display: none;">.nosp@m.</span>ad.cc</a>) </dd></dl>
<dl class="section date"><dt>Date</dt><dd>2016/12/8 </dd></dl>
<dl class="section copyright"><dt>Copyright</dt><dd>Copyright (C) 2014-2015 ITEAD Intelligent Systems Co., Ltd. <br />
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.</dd></dl>
<div class="fragment"><div class="line"></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="_nextion_8h.html">Nextion.h</a>&quot;</span></div>
<div class="line"></div>
<div class="line"><a name="_a0"></a><a class="code" href="class_nex_gpio.html">NexGpio</a> gpio;</div>
<div class="line"><a name="_a1"></a><a class="code" href="class_nex_number.html">NexNumber</a> n0 = <a class="code" href="class_nex_number.html">NexNumber</a>(0,1,<span class="stringliteral">&quot;n0&quot;</span>);</div>
<div class="line"><a class="code" href="class_nex_number.html">NexNumber</a> n1 = <a class="code" href="class_nex_number.html">NexNumber</a>(0,3,<span class="stringliteral">&quot;n1&quot;</span>);</div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#define GPIO_PUSH_PORT 1</span></div>
<div class="line"><span class="preprocessor">#define GPIO_PWM_PORT 2</span></div>
<div class="line"><span class="preprocessor">#define GPIO_PUSH_OUTPUT_MODE 2</span></div>
<div class="line"><span class="preprocessor">#define GPIO_PWM_OUT_MODE 3</span></div>
<div class="line"><span class="preprocessor">#define CONTROLS_ID 0 //when the modeel is 1 to be valid</span></div>
<div class="line"></div>
<div class="line">uint32_t pwm_value = 0;</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">void</span> setup() </div>
<div class="line">{ </div>
<div class="line"> <a name="a2"></a><a class="code" href="group___configuration.html#ga2738b05a77cd5052e440af5b00b0ecbd">nexSerial</a>.begin(115200);</div>
<div class="line"> gpio.<a name="a3"></a><a class="code" href="class_nex_gpio.html#adbe08eb11827d75c6b2e9c935d9da19a">pin_mode</a>(GPIO_PUSH_PORT,GPIO_PUSH_OUTPUT_MODE,CONTROLS_ID);</div>
<div class="line"> gpio.<a class="code" href="class_nex_gpio.html#adbe08eb11827d75c6b2e9c935d9da19a">pin_mode</a>(GPIO_PWM_PORT,GPIO_PWM_OUT_MODE,CONTROLS_ID);</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">void</span> loop() </div>
<div class="line">{</div>
<div class="line"> <span class="keywordflow">if</span>(gpio.<a name="a4"></a><a class="code" href="class_nex_gpio.html#a36386b97898f0960abda51c6010378eb">digital_read</a>(1) == 0)</div>
<div class="line"> {</div>
<div class="line"> gpio.<a name="a5"></a><a class="code" href="class_nex_gpio.html#aaea4cb428fa0a2e26927073c20ed64ac">digital_write</a>(GPIO_PUSH_PORT,HIGH);</div>
<div class="line"> n0.<a name="a6"></a><a class="code" href="class_nex_number.html#a9cef51f6b76b4ba03a31b2427ffd4526">setValue</a>(1);</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> {</div>
<div class="line"> gpio.<a class="code" href="class_nex_gpio.html#aaea4cb428fa0a2e26927073c20ed64ac">digital_write</a>(GPIO_PUSH_PORT,LOW);</div>
<div class="line"> n0.<a class="code" href="class_nex_number.html#a9cef51f6b76b4ba03a31b2427ffd4526">setValue</a>(0);</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> </div>
<div class="line"> gpio.<a name="a7"></a><a class="code" href="class_nex_gpio.html#af21eb91b041d149193bc716202d4a462">analog_write</a>(GPIO_PWM_PORT,pwm_value);</div>
<div class="line"> n1.<a class="code" href="class_nex_number.html#a9cef51f6b76b4ba03a31b2427ffd4526">setValue</a>(pwm_value);</div>
<div class="line"> <span class="keywordflow">if</span>(pwm_value == 100)</div>
<div class="line"> {</div>
<div class="line"> pwm_value = 0;</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> {</div>
<div class="line"> pwm_value += 20;</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> delay(1000);</div>
<div class="line">}</div>
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