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<section id="matouch-rotary-display">
<h1>MaTouch Rotary Display<a class="headerlink" href="#matouch-rotary-display" title="Permalink to this headline"></a></h1>
<section id="id1">
<h2>Matouch-Rotary-Display<a class="headerlink" href="#id1" title="Permalink to this headline"></a></h2>
<p>The Matouch Rotary Display is a development board for the ESP32-S3 module. It
features a nice touchscreen display, a rotary encoder, a push button behind the
screen, and some expansion headers along with other peripherals like a micro-SD
card.</p>
<p>The <cite>espp::MatouchRotaryDisplay</cite> component provides a singleton hardware
abstraction for initializing the touch, display, and button.</p>
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<h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to this headline"></a></h2>
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<h3>Header File<a class="headerlink" href="#header-file" title="Permalink to this headline"></a></h3>
<ul class="simple">
<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/582c61e0/components/matouch-rotary-display/include/matouch-rotary-display.hpp">components/matouch-rotary-display/include/matouch-rotary-display.hpp</a></p></li>
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<section id="classes">
<h3>Classes<a class="headerlink" href="#classes" title="Permalink to this headline"></a></h3>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplayE">
<span id="_CPPv3N4espp20MatouchRotaryDisplayE"></span><span id="_CPPv2N4espp20MatouchRotaryDisplayE"></span><span id="espp::MatouchRotaryDisplay"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">MatouchRotaryDisplay</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">espp</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="base_component.html#_CPPv4N4espp13BaseComponentE" title="espp::BaseComponent"><span class="n"><span class="pre">BaseComponent</span></span></a><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplayE" title="Permalink to this definition"></a><br /></dt>
<dd><p>The <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay"><span class="std std-ref">MatouchRotaryDisplay</span></a> class provides an interface to the MaTouch Rotary <a class="reference internal" href="display/display.html#classespp_1_1Display"><span class="std std-ref">Display</span></a> 1.28” ESP32-S3 development board (Model MTRO128G).</p>
<p>The class provides access to the following features:<ul class="simple">
<li><p>Touchpad (CST816S)</p></li>
<li><p><a class="reference internal" href="display/display.html#classespp_1_1Display"><span class="std std-ref">Display</span></a> (GC9A01)</p></li>
<li><p>ABI Encoder</p></li>
</ul>
</p>
<p>For more information see: <a class="reference external" href="https://github.com/Makerfabs/MaTouch-ESP32-S3-RotaryIPS-Display1.28-GC9A01">https://github.com/Makerfabs/MaTouch-ESP32-S3-RotaryIPS-Display1.28-GC9A01</a></p>
<p>The class is a singleton and can be accessed using the <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay_1ae677e0387c6146c0c220b573175fa676"><span class="std std-ref">get()</span></a> method.</p>
<section id="classespp_1_1MatouchRotaryDisplay_1matouch_rotary_display_example">
<h4>Example<a class="headerlink" href="#classespp_1_1MatouchRotaryDisplay_1matouch_rotary_display_example" title="Permalink to this headline"></a></h4>
<div class="highlight-cpp notranslate" id="classespp_1_1MatouchRotaryDisplay_1matouch_rotary_display_example"><div class="highlight"><pre><span></span><span class="w"> </span><span class="n">espp</span><span class="o">::</span><span class="n">MatouchRotaryDisplay</span><span class="w"> </span><span class="o">&</span><span class="n">mt_display</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">espp</span><span class="o">::</span><span class="n">MatouchRotaryDisplay</span><span class="o">::</span><span class="n">get</span><span class="p">();</span>
<span class="w"> </span><span class="n">mt_display</span><span class="p">.</span><span class="n">set_log_level</span><span class="p">(</span><span class="n">espp</span><span class="o">::</span><span class="n">Logger</span><span class="o">::</span><span class="n">Verbosity</span><span class="o">::</span><span class="n">INFO</span><span class="p">);</span>
<span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">on_button_pressed</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[</span><span class="o">&</span><span class="p">](</span><span class="k">const</span><span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="o">&</span><span class="n">event</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">event</span><span class="p">.</span><span class="n">active</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">logger</span><span class="p">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Button pressed!"</span><span class="p">);</span>
<span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">logger</span><span class="p">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Button released!"</span><span class="p">);</span>
<span class="w"> </span><span class="c1">// clear the screen</span>
<span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">lock_guard</span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="n">recursive_mutex</span><span class="o">></span><span class="w"> </span><span class="n">lock</span><span class="p">(</span><span class="n">lvgl_mutex</span><span class="p">);</span>
<span class="w"> </span><span class="n">clear_circles</span><span class="p">();</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="p">};</span>
<span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">on_touch</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[</span><span class="o">&</span><span class="p">](</span><span class="k">const</span><span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="o">&</span><span class="n">touch</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="c1">// NOTE: since we're directly using the touchpad data, and not using the</span>
<span class="w"> </span><span class="c1">// TouchpadInput + LVGL, we'll need to ensure the touchpad data is</span>
<span class="w"> </span><span class="c1">// converted into proper screen coordinates instead of simply using the</span>
<span class="w"> </span><span class="c1">// raw values.</span>
<span class="w"> </span><span class="k">static</span><span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">previous_touchpad_data</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">mt_display</span><span class="p">.</span><span class="n">touchpad_convert</span><span class="p">(</span><span class="n">touch</span><span class="p">);</span>
<span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">touchpad_data</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">mt_display</span><span class="p">.</span><span class="n">touchpad_convert</span><span class="p">(</span><span class="n">touch</span><span class="p">);</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">touchpad_data</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="n">previous_touchpad_data</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">logger</span><span class="p">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Touch: {}"</span><span class="p">,</span><span class="w"> </span><span class="n">touchpad_data</span><span class="p">);</span>
<span class="w"> </span><span class="n">previous_touchpad_data</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">touchpad_data</span><span class="p">;</span>
<span class="w"> </span><span class="c1">// if there is a touch point, draw a circle</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">touchpad_data</span><span class="p">.</span><span class="n">num_touch_points</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">lock_guard</span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="n">recursive_mutex</span><span class="o">></span><span class="w"> </span><span class="n">lock</span><span class="p">(</span><span class="n">lvgl_mutex</span><span class="p">);</span>
<span class="w"> </span><span class="n">draw_circle</span><span class="p">(</span><span class="n">touchpad_data</span><span class="p">.</span><span class="n">x</span><span class="p">,</span><span class="w"> </span><span class="n">touchpad_data</span><span class="p">.</span><span class="n">y</span><span class="p">,</span><span class="w"> </span><span class="mi">10</span><span class="p">);</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="n">previous_touchpad_data</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">touchpad_data</span><span class="p">;</span>
<span class="w"> </span><span class="p">};</span>
<span class="w"> </span><span class="c1">// initialize the LCD</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">mt_display</span><span class="p">.</span><span class="n">initialize_lcd</span><span class="p">())</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">logger</span><span class="p">.</span><span class="n">error</span><span class="p">(</span><span class="s">"Failed to initialize LCD!"</span><span class="p">);</span>
<span class="w"> </span><span class="k">return</span><span class="p">;</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="c1">// set the pixel buffer to be 50 lines high</span>
<span class="w"> </span><span class="k">static</span><span class="w"> </span><span class="k">constexpr</span><span class="w"> </span><span class="kt">size_t</span><span class="w"> </span><span class="n">pixel_buffer_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">mt_display</span><span class="p">.</span><span class="n">lcd_width</span><span class="p">()</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mi">50</span><span class="p">;</span>
<span class="w"> </span><span class="c1">// initialize the LVGL display for the Matouch-Rotary-Display</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">mt_display</span><span class="p">.</span><span class="n">initialize_display</span><span class="p">(</span><span class="n">pixel_buffer_size</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">logger</span><span class="p">.</span><span class="n">error</span><span class="p">(</span><span class="s">"Failed to initialize display!"</span><span class="p">);</span>
<span class="w"> </span><span class="k">return</span><span class="p">;</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="c1">// initialize the touchpad</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">mt_display</span><span class="p">.</span><span class="n">initialize_touch</span><span class="p">(</span><span class="n">on_touch</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">logger</span><span class="p">.</span><span class="n">error</span><span class="p">(</span><span class="s">"Failed to initialize touchpad!"</span><span class="p">);</span>
<span class="w"> </span><span class="k">return</span><span class="p">;</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="c1">// initialize the rotary encoder</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">mt_display</span><span class="p">.</span><span class="n">initialize_encoder</span><span class="p">())</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">logger</span><span class="p">.</span><span class="n">error</span><span class="p">(</span><span class="s">"Failed to initialize rotary encoder!"</span><span class="p">);</span>
<span class="w"> </span><span class="k">return</span><span class="p">;</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="c1">// initialize the button</span>
<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="n">mt_display</span><span class="p">.</span><span class="n">initialize_button</span><span class="p">(</span><span class="n">on_button_pressed</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">logger</span><span class="p">.</span><span class="n">error</span><span class="p">(</span><span class="s">"Failed to initialize button!"</span><span class="p">);</span>
<span class="w"> </span><span class="k">return</span><span class="p">;</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="c1">// set the background color to black</span>
<span class="w"> </span><span class="n">lv_obj_t</span><span class="w"> </span><span class="o">*</span><span class="n">bg</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_obj_create</span><span class="p">(</span><span class="n">lv_screen_active</span><span class="p">());</span>
<span class="w"> </span><span class="n">lv_obj_set_size</span><span class="p">(</span><span class="n">bg</span><span class="p">,</span><span class="w"> </span><span class="n">mt_display</span><span class="p">.</span><span class="n">lcd_width</span><span class="p">(),</span><span class="w"> </span><span class="n">mt_display</span><span class="p">.</span><span class="n">lcd_height</span><span class="p">());</span>
<span class="w"> </span><span class="n">lv_obj_set_style_bg_color</span><span class="p">(</span><span class="n">bg</span><span class="p">,</span><span class="w"> </span><span class="n">lv_color_make</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">),</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
<span class="w"> </span><span class="c1">// add text in the center of the screen</span>
<span class="w"> </span><span class="n">lv_obj_t</span><span class="w"> </span><span class="o">*</span><span class="n">label</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_label_create</span><span class="p">(</span><span class="n">lv_screen_active</span><span class="p">());</span>
<span class="w"> </span><span class="n">lv_label_set_text</span><span class="p">(</span><span class="n">label</span><span class="p">,</span><span class="w"> </span><span class="s">"Touch the screen!</span><span class="se">\n</span><span class="s">Press the button to clear circles."</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_obj_align</span><span class="p">(</span><span class="n">label</span><span class="p">,</span><span class="w"> </span><span class="n">LV_ALIGN_CENTER</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_obj_set_style_text_align</span><span class="p">(</span><span class="n">label</span><span class="p">,</span><span class="w"> </span><span class="n">LV_TEXT_ALIGN_CENTER</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
<span class="w"> </span><span class="c1">// add a button in the top left which (when pressed) will rotate the display</span>
<span class="w"> </span><span class="c1">// through 0, 90, 180, 270 degrees</span>
<span class="w"> </span><span class="n">lv_obj_t</span><span class="w"> </span><span class="o">*</span><span class="n">btn</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_btn_create</span><span class="p">(</span><span class="n">lv_screen_active</span><span class="p">());</span>
<span class="w"> </span><span class="n">lv_obj_set_size</span><span class="p">(</span><span class="n">btn</span><span class="p">,</span><span class="w"> </span><span class="mi">50</span><span class="p">,</span><span class="w"> </span><span class="mi">50</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_obj_align</span><span class="p">(</span><span class="n">btn</span><span class="p">,</span><span class="w"> </span><span class="n">LV_ALIGN_TOP_MID</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_obj_t</span><span class="w"> </span><span class="o">*</span><span class="n">label_btn</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_label_create</span><span class="p">(</span><span class="n">btn</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_label_set_text</span><span class="p">(</span><span class="n">label_btn</span><span class="p">,</span><span class="w"> </span><span class="n">LV_SYMBOL_REFRESH</span><span class="p">);</span>
<span class="w"> </span><span class="c1">// center the text in the button</span>
<span class="w"> </span><span class="n">lv_obj_align</span><span class="p">(</span><span class="n">label_btn</span><span class="p">,</span><span class="w"> </span><span class="n">LV_ALIGN_CENTER</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_obj_add_event_cb</span><span class="p">(</span>
<span class="w"> </span><span class="n">btn</span><span class="p">,</span>
<span class="w"> </span><span class="p">[](</span><span class="k">auto</span><span class="w"> </span><span class="n">event</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">lock_guard</span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="n">recursive_mutex</span><span class="o">></span><span class="w"> </span><span class="n">lock</span><span class="p">(</span><span class="n">lvgl_mutex</span><span class="p">);</span>
<span class="w"> </span><span class="n">clear_circles</span><span class="p">();</span>
<span class="w"> </span><span class="k">static</span><span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">rotation</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">LV_DISPLAY_ROTATION_0</span><span class="p">;</span>
<span class="w"> </span><span class="n">rotation</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">static_cast</span><span class="o"><</span><span class="n">lv_display_rotation_t</span><span class="o">></span><span class="p">((</span><span class="k">static_cast</span><span class="o"><</span><span class="kt">int</span><span class="o">></span><span class="p">(</span><span class="n">rotation</span><span class="p">)</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="mi">4</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_display_t</span><span class="w"> </span><span class="o">*</span><span class="n">disp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_display_get_default</span><span class="p">();</span>
<span class="w"> </span><span class="n">lv_disp_set_rotation</span><span class="p">(</span><span class="n">disp</span><span class="p">,</span><span class="w"> </span><span class="n">rotation</span><span class="p">);</span>
<span class="w"> </span><span class="p">},</span>
<span class="w"> </span><span class="n">LV_EVENT_PRESSED</span><span class="p">,</span><span class="w"> </span><span class="k">nullptr</span><span class="p">);</span>
<span class="w"> </span><span class="c1">// disable scrolling on the screen (so that it doesn't behave weirdly when</span>
<span class="w"> </span><span class="c1">// rotated and drawing with your finger)</span>
<span class="w"> </span><span class="n">lv_obj_set_scrollbar_mode</span><span class="p">(</span><span class="n">lv_screen_active</span><span class="p">(),</span><span class="w"> </span><span class="n">LV_SCROLLBAR_MODE_OFF</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_obj_clear_flag</span><span class="p">(</span><span class="n">lv_screen_active</span><span class="p">(),</span><span class="w"> </span><span class="n">LV_OBJ_FLAG_SCROLLABLE</span><span class="p">);</span>
<span class="w"> </span><span class="c1">// start a simple thread to do the lv_task_handler every 16ms</span>
<span class="w"> </span><span class="n">espp</span><span class="o">::</span><span class="n">Task</span><span class="w"> </span><span class="nf">lv_task</span><span class="p">({.</span><span class="n">callback</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[](</span><span class="n">std</span><span class="o">::</span><span class="n">mutex</span><span class="w"> </span><span class="o">&</span><span class="n">m</span><span class="p">,</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">condition_variable</span><span class="w"> </span><span class="o">&</span><span class="n">cv</span><span class="p">)</span><span class="w"> </span><span class="o">-></span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">lock_guard</span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="n">recursive_mutex</span><span class="o">></span><span class="w"> </span><span class="n">lock</span><span class="p">(</span><span class="n">lvgl_mutex</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_task_handler</span><span class="p">();</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">unique_lock</span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="n">mutex</span><span class="o">></span><span class="w"> </span><span class="n">lock</span><span class="p">(</span><span class="n">m</span><span class="p">);</span>
<span class="w"> </span><span class="n">cv</span><span class="p">.</span><span class="n">wait_for</span><span class="p">(</span><span class="n">lock</span><span class="p">,</span><span class="w"> </span><span class="mi">16</span><span class="n">ms</span><span class="p">);</span>
<span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nb">false</span><span class="p">;</span>
<span class="w"> </span><span class="p">},</span>
<span class="w"> </span><span class="p">.</span><span class="n">task_config</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="p">.</span><span class="n">name</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"lv_task"</span><span class="p">,</span>
<span class="w"> </span><span class="p">}});</span>
<span class="w"> </span><span class="n">lv_task</span><span class="p">.</span><span class="n">start</span><span class="p">();</span>
<span class="w"> </span><span class="c1">// set the display brightness to be 75%</span>
<span class="w"> </span><span class="n">mt_display</span><span class="p">.</span><span class="n">brightness</span><span class="p">(</span><span class="mf">75.0f</span><span class="p">);</span>
<span class="w"> </span><span class="k">while</span><span class="w"> </span><span class="p">(</span><span class="nb">true</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">start</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">esp_timer_get_time</span><span class="p">();</span>
<span class="w"> </span><span class="c1">// get the encoder count and update the label with it</span>
<span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">lock_guard</span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="n">recursive_mutex</span><span class="o">></span><span class="w"> </span><span class="n">lock</span><span class="p">(</span><span class="n">lvgl_mutex</span><span class="p">);</span>
<span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">encoder_count</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">mt_display</span><span class="p">.</span><span class="n">encoder_value</span><span class="p">();</span>
<span class="w"> </span><span class="n">lv_label_set_text_fmt</span><span class="p">(</span><span class="n">label</span><span class="p">,</span>
<span class="w"> </span><span class="s">"Touch the screen!</span><span class="se">\n</span><span class="s">Press the button to clear circles.</span><span class="se">\n</span><span class="s">Encoder: %d"</span><span class="p">,</span>
<span class="w"> </span><span class="n">encoder_count</span><span class="p">);</span>
<span class="w"> </span><span class="p">}</span>
<span class="w"> </span><span class="c1">// sleep for the remaining time</span>
<span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">end</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">esp_timer_get_time</span><span class="p">();</span>
<span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">elapsed</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">end</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">start</span><span class="p">;</span>
<span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">this_thread</span><span class="o">::</span><span class="n">sleep_for</span><span class="p">(</span><span class="mi">50</span><span class="n">ms</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">std</span><span class="o">::</span><span class="n">chrono</span><span class="o">::</span><span class="n">microseconds</span><span class="p">(</span><span class="n">elapsed</span><span class="p">));</span>
<span class="w"> </span><span class="p">}</span>
</pre></div>
</div>
</section>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-types">Public Types</p>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay5PixelE">
<span id="_CPPv3N4espp20MatouchRotaryDisplay5PixelE"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay5PixelE"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1af7a4d8ce1a6cbb66eb8287a574609083"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Pixel</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">lv_color16_t</span></span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay5PixelE" title="Permalink to this definition"></a><br /></dt>
<dd><p>Alias for the pixel type used by the Matouch display. </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay13DisplayDriverE">
<span id="_CPPv3N4espp20MatouchRotaryDisplay13DisplayDriverE"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay13DisplayDriverE"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ae68f0213543aba41cc042f39054ae7eb"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DisplayDriver</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">espp</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="display/display_drivers.html#_CPPv4N4espp6Gc9a01E" title="espp::Gc9a01"><span class="n"><span class="pre">Gc9a01</span></span></a><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay13DisplayDriverE" title="Permalink to this definition"></a><br /></dt>
<dd><p>Alias for the display driver used by the Matouch display. </p>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay12internal_i2cEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay12internal_i2cEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay12internal_i2cEv"></span><span id="espp::MatouchRotaryDisplay::internal_i2c"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a3f12dce3b0520793d56bdd89590da528"></span><a class="reference internal" href="i2c.html#_CPPv4N4espp3I2cE" title="espp::I2c"><span class="n"><span class="pre">I2c</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">internal_i2c</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay12internal_i2cEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get a reference to the internal I2C bus </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The internal I2C bus is used for the touchscreen </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>A reference to the internal I2C bus </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay10interruptsEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay10interruptsEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay10interruptsEv"></span><span id="espp::MatouchRotaryDisplay::interrupts"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ae8bd9ae4a3b167080fb76371d44b3251"></span><span class="n"><span class="pre">espp</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="interrupt.html#_CPPv4N4espp9InterruptE" title="espp::Interrupt"><span class="n"><span class="pre">Interrupt</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">interrupts</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay10interruptsEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get a reference to the interrupts </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>A reference to the interrupts </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay18initialize_encoderEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay18initialize_encoderEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay18initialize_encoderEv"></span><span id="espp::MatouchRotaryDisplay::initialize_encoder"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ab453135efff8576bab8f206bd9277417"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">initialize_encoder</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay18initialize_encoderEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Initialize the encoder </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>true if the encoder was successfully initialized, false otherwise </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay7encoderEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay7encoderEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay7encoderEv"></span><span id="espp::MatouchRotaryDisplay::encoderC"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a7ea544ef80f14aecbe888ace855cc45e"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">Encoder</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">encoder</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay7encoderEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the encoder </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>A shared pointer to the encoder </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay13encoder_valueEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay13encoder_valueEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay13encoder_valueEv"></span><span id="espp::MatouchRotaryDisplay::encoder_value"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ac62c2cd4fb9d145df25db9847187e776"></span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">encoder_value</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay13encoder_valueEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the encoder value </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The encoder value </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay17initialize_buttonERK17button_callback_t">
<span id="_CPPv3N4espp20MatouchRotaryDisplay17initialize_buttonERK17button_callback_t"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay17initialize_buttonERK17button_callback_t"></span><span id="espp::MatouchRotaryDisplay::initialize_button__button_callback_tCR"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a5a520ad2b5904954cede1ff5e4d35016"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">initialize_button</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">button_callback_t</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">callback</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="k"><span class="pre">nullptr</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay17initialize_buttonERK17button_callback_t" title="Permalink to this definition"></a><br /></dt>
<dd><p>Initialize the button </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>callback</strong> – The callback function to call when the button is pressed </p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>true if the button was successfully initialized, false otherwise </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay12button_stateEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay12button_stateEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay12button_stateEv"></span><span id="espp::MatouchRotaryDisplay::button_stateC"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a507ddf1e90effc1e99e1641c5da15b5e"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">button_state</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay12button_stateEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the button state </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The button state (true = button pressed, false = button released) </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay16initialize_touchERK16touch_callback_t">
<span id="_CPPv3N4espp20MatouchRotaryDisplay16initialize_touchERK16touch_callback_t"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay16initialize_touchERK16touch_callback_t"></span><span id="espp::MatouchRotaryDisplay::initialize_touch__touch_callback_tCR"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a71aae759bf41dee1c31567131a9a6d7e"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">initialize_touch</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">touch_callback_t</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">callback</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="k"><span class="pre">nullptr</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay16initialize_touchERK16touch_callback_t" title="Permalink to this definition"></a><br /></dt>
<dd><p>Initialize the touchpad </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This will also register an interrupt for the touchpad which will automatically update the touchpad data when the touchpad is touched </p>
</div>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>This method should be called after the display has been initialized if you want the touchpad to be recognized and used with LVGL and its objects. </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>callback</strong> – The callback function to call when the touchpad is touched. This callback will be called after the touchpad data has been updated and will be passed the updated touchpad data. </p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>true if the touchpad was successfully initialized, false otherwise </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay14touchpad_inputEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay14touchpad_inputEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay14touchpad_inputEv"></span><span id="espp::MatouchRotaryDisplay::touchpad_inputC"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a92221f985b2248889bc979b888294ee9"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="input/touchpad_input.html#_CPPv4N4espp13TouchpadInputE" title="espp::TouchpadInput"><span class="n"><span class="pre">TouchpadInput</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">touchpad_input</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay14touchpad_inputEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the touchpad input </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>A shared pointer to the touchpad input </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay13touchpad_dataEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay13touchpad_dataEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay13touchpad_dataEv"></span><span id="espp::MatouchRotaryDisplay::touchpad_dataC"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ad8bc48fe807d1d8dbbb707f8c48864be"></span><span class="n"><span class="pre">TouchpadData</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">touchpad_data</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay13touchpad_dataEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the most recent touchpad data </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The touchpad data </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay13touchpad_readEP7uint8_tP8uint16_tP8uint16_tP7uint8_t">
<span id="_CPPv3N4espp20MatouchRotaryDisplay13touchpad_readEP7uint8_tP8uint16_tP8uint16_tP7uint8_t"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay13touchpad_readEP7uint8_tP8uint16_tP8uint16_tP7uint8_t"></span><span id="espp::MatouchRotaryDisplay::touchpad_read__uint8_tP.uint16_tP.uint16_tP.uint8_tP"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1aaf7d4182522f817dfdcc14b6cfa092ff"></span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">touchpad_read</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">uint8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">num_touch_points</span></span>, <span class="n"><span class="pre">uint16_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">x</span></span>, <span class="n"><span class="pre">uint16_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">y</span></span>, <span class="n"><span class="pre">uint8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">btn_state</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay13touchpad_readEP7uint8_tP8uint16_tP8uint16_tP7uint8_t" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the most recent touchpad data <div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay_1ad8bc48fe807d1d8dbbb707f8c48864be"><span class="std std-ref">touchpad_data()</span></a></p>
</div>
</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This method is a convenience method for integrating with LVGL, the data it returns is identical to the data returned by the <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay_1ad8bc48fe807d1d8dbbb707f8c48864be"><span class="std std-ref">touchpad_data()</span></a> method </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>num_touch_points</strong> – The number of touch points </p></li>
<li><p><strong>x</strong> – The x coordinate </p></li>
<li><p><strong>y</strong> – The y coordinate </p></li>
<li><p><strong>btn_state</strong> – The button state (0 = button released, 1 = button pressed) </p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay16touchpad_convertERK12TouchpadData">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay16touchpad_convertERK12TouchpadData"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay16touchpad_convertERK12TouchpadData"></span><span id="espp::MatouchRotaryDisplay::touchpad_convert__TouchpadDataCRC"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a30393bcb1a6cd5b1623f061ec55a675d"></span><span class="n"><span class="pre">TouchpadData</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">touchpad_convert</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">TouchpadData</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">data</span></span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay16touchpad_convertERK12TouchpadData" title="Permalink to this definition"></a><br /></dt>
<dd><p>Convert touchpad data from raw reading to display coordinates </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Uses the touch_invert_x and touch_invert_y settings to determine if the x and y coordinates should be inverted </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>data</strong> – The touchpad data to convert </p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The converted touchpad data </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay14initialize_lcdEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay14initialize_lcdEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay14initialize_lcdEv"></span><span id="espp::MatouchRotaryDisplay::initialize_lcd"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a8e6ff944b5684806187ad3d2cfe17980"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">initialize_lcd</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay14initialize_lcdEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Initialize the LCD (low level display driver) </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>true if the LCD was successfully initialized, false otherwise </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay18initialize_displayE6size_t">
<span id="_CPPv3N4espp20MatouchRotaryDisplay18initialize_displayE6size_t"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay18initialize_displayE6size_t"></span><span id="espp::MatouchRotaryDisplay::initialize_display__s"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a8023f6d4cf277d73e3f9e48a17716fc2"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">initialize_display</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">size_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">pixel_buffer_size</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay18initialize_displayE6size_t" title="Permalink to this definition"></a><br /></dt>
<dd><p>Initialize the display (lvgl display driver) </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This will also allocate two full frame buffers in the SPIRAM </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>pixel_buffer_size</strong> – The size of the pixel buffer </p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>true if the display was successfully initialized, false otherwise </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay7displayEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay7displayEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay7displayEv"></span><span id="espp::MatouchRotaryDisplay::displayC"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a08f41b740e95e9facdc249a85176ec93"></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="display/display.html#_CPPv4I0EN4espp7DisplayE" title="espp::Display"><span class="n"><span class="pre">Display</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N4espp20MatouchRotaryDisplay5PixelE" title="espp::MatouchRotaryDisplay::Pixel"><span class="n"><span class="pre">Pixel</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">display</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay7displayEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get a shared pointer to the display </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>A shared pointer to the display </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay10brightnessEf">
<span id="_CPPv3N4espp20MatouchRotaryDisplay10brightnessEf"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay10brightnessEf"></span><span id="espp::MatouchRotaryDisplay::brightness__float"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1adc619260688c0e741f32382d8cd980ee"></span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">brightness</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">brightness</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay10brightnessEf" title="Permalink to this definition"></a><br /></dt>
<dd><p>Set the brightness of the backlight </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>brightness</strong> – The brightness of the backlight as a percentage (0 - 100) </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay10brightnessEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay10brightnessEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay10brightnessEv"></span><span id="espp::MatouchRotaryDisplay::brightnessC"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ab4d3ff50378d12bc0188fd0c167b87fb"></span><span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">brightness</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay10brightnessEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the brightness of the backlight </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The brightness of the backlight as a percentage (0 - 100) </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay5vram0Ev">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay5vram0Ev"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay5vram0Ev"></span><span id="espp::MatouchRotaryDisplay::vram0C"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a5c5e5b879f9d832cf585f0ee91a805fe"></span><a class="reference internal" href="#_CPPv4N4espp20MatouchRotaryDisplay5PixelE" title="espp::MatouchRotaryDisplay::Pixel"><span class="n"><span class="pre">Pixel</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">vram0</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay5vram0Ev" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the VRAM 0 pointer (DMA memory used by LVGL) </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is the memory used by LVGL for rendering </p>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is null unless <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay_1a8023f6d4cf277d73e3f9e48a17716fc2"><span class="std std-ref">initialize_display()</span></a> has been called </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The VRAM 0 pointer </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay5vram1Ev">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay5vram1Ev"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay5vram1Ev"></span><span id="espp::MatouchRotaryDisplay::vram1C"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a523fd37f98df562695fd517d4e435bf3"></span><a class="reference internal" href="#_CPPv4N4espp20MatouchRotaryDisplay5PixelE" title="espp::MatouchRotaryDisplay::Pixel"><span class="n"><span class="pre">Pixel</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">vram1</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay5vram1Ev" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the VRAM 1 pointer (DMA memory used by LVGL) </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is the memory used by LVGL for rendering </p>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is null unless <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay_1a8023f6d4cf277d73e3f9e48a17716fc2"><span class="std std-ref">initialize_display()</span></a> has been called </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The VRAM 1 pointer </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay13frame_buffer0Ev">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay13frame_buffer0Ev"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay13frame_buffer0Ev"></span><span id="espp::MatouchRotaryDisplay::frame_buffer0C"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ae8d9fd548cd78d862d4c62139cd9e5f3"></span><span class="n"><span class="pre">uint8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">frame_buffer0</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay13frame_buffer0Ev" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the frame buffer 0 pointer </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This memory is designed to be used by the application developer and is provided as a convenience. It is not used by the display driver. </p>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is null unless <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay_1a8023f6d4cf277d73e3f9e48a17716fc2"><span class="std std-ref">initialize_display()</span></a> has been called </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The frame buffer 0 pointer </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay13frame_buffer1Ev">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay13frame_buffer1Ev"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay13frame_buffer1Ev"></span><span id="espp::MatouchRotaryDisplay::frame_buffer1C"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ade09ab964f84a86eb78ef831808a1069"></span><span class="n"><span class="pre">uint8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">frame_buffer1</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay13frame_buffer1Ev" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the frame buffer 1 pointer </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This memory is designed to be used by the application developer and is provided as a convenience. It is not used by the display driver. </p>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is null unless <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay_1a8023f6d4cf277d73e3f9e48a17716fc2"><span class="std std-ref">initialize_display()</span></a> has been called </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The frame buffer 1 pointer </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay13write_commandE7uint8_tNSt4spanIK7uint8_tEE8uint32_t">
<span id="_CPPv3N4espp20MatouchRotaryDisplay13write_commandE7uint8_tNSt4spanIK7uint8_tEE8uint32_t"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay13write_commandE7uint8_tNSt4spanIK7uint8_tEE8uint32_t"></span><span id="espp::MatouchRotaryDisplay::write_command__uint8_t.std::span:uint8_tC:.uint32_t"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a05f22c17e13431a7eb5ebdfbcadb6549"></span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">write_command</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">uint8_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">command</span></span>, <span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">span</span></span><span class="p"><span class="pre"><</span></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">uint8_t</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">parameters</span></span>, <span class="n"><span class="pre">uint32_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">user_data</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay13write_commandE7uint8_tNSt4spanIK7uint8_tEE8uint32_t" title="Permalink to this definition"></a><br /></dt>
<dd><p>Write command and optional parameters to the LCD </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This method is designed to be used by the display driver </p>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This method queues the data to be written to the LCD, only blocking if there is an ongoing SPI transaction </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>command</strong> – The command to write </p></li>
<li><p><strong>parameters</strong> – The command parameters to write </p></li>
<li><p><strong>user_data</strong> – User data to pass to the spi transaction callback </p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay15write_lcd_frameEK8uint16_tK8uint16_tK8uint16_tK8uint16_tP7uint8_t">
<span id="_CPPv3N4espp20MatouchRotaryDisplay15write_lcd_frameEK8uint16_tK8uint16_tK8uint16_tK8uint16_tP7uint8_t"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay15write_lcd_frameEK8uint16_tK8uint16_tK8uint16_tK8uint16_tP7uint8_t"></span><span id="espp::MatouchRotaryDisplay::write_lcd_frame__uint16_tC.uint16_tC.uint16_tC.uint16_tC.uint8_tP"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a89533d03038a509142d539b2d500f2ca"></span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">write_lcd_frame</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">uint16_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">x</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">uint16_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">y</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">uint16_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">width</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">uint16_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">height</span></span>, <span class="n"><span class="pre">uint8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">data</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay15write_lcd_frameEK8uint16_tK8uint16_tK8uint16_tK8uint16_tP7uint8_t" title="Permalink to this definition"></a><br /></dt>
<dd><p>Write a frame to the LCD </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This method queues the data to be written to the LCD, only blocking if there is an ongoing SPI transaction </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>x</strong> – The x coordinate </p></li>
<li><p><strong>y</strong> – The y coordinate </p></li>
<li><p><strong>width</strong> – The width of the frame, in pixels </p></li>
<li><p><strong>height</strong> – The height of the frame, in pixels </p></li>
<li><p><strong>data</strong> – The data to write </p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay15write_lcd_linesEiiiiPK7uint8_t8uint32_t">
<span id="_CPPv3N4espp20MatouchRotaryDisplay15write_lcd_linesEiiiiPK7uint8_t8uint32_t"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay15write_lcd_linesEiiiiPK7uint8_t8uint32_t"></span><span id="espp::MatouchRotaryDisplay::write_lcd_lines__i.i.i.i.uint8_tCP.uint32_t"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1a3ef27d69cefadd8d5c0add6e9faa7a7b"></span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">write_lcd_lines</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">xs</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">ys</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">xe</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">ye</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">uint8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n sig-param"><span class="pre">data</span></span>, <span class="n"><span class="pre">uint32_t</span></span><span class="w"> </span><span class="n sig-param"><span class="pre">user_data</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay15write_lcd_linesEiiiiPK7uint8_t8uint32_t" title="Permalink to this definition"></a><br /></dt>
<dd><p>Write lines to the LCD </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This method queues the data to be written to the LCD, only blocking if there is an ongoing SPI transaction </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>xs</strong> – The x start coordinate </p></li>
<li><p><strong>ys</strong> – The y start coordinate </p></li>
<li><p><strong>xe</strong> – The x end coordinate </p></li>
<li><p><strong>ye</strong> – The y end coordinate </p></li>
<li><p><strong>data</strong> – The data to write </p></li>
<li><p><strong>user_data</strong> – User data to pass to the spi transaction callback </p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay8get_nameEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay8get_nameEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay8get_nameEv"></span><span id="espp::MatouchRotaryDisplay::get_nameC"></span><span class="target" id="classespp_1_1BaseComponent_1ad3813fa0c9c026e217163c4e2fdfc4a2"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">get_name</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay8get_nameEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the name of the component </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is the tag of the logger </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>A const reference to the name of the component </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay11set_log_tagERKNSt11string_viewE">
<span id="_CPPv3N4espp20MatouchRotaryDisplay11set_log_tagERKNSt11string_viewE"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay11set_log_tagERKNSt11string_viewE"></span><span id="espp::MatouchRotaryDisplay::set_log_tag__std::string_viewCR"></span><span class="target" id="classespp_1_1BaseComponent_1af83083445936081581ffbddd93634b90"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">set_log_tag</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string_view</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">tag</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay11set_log_tagERKNSt11string_viewE" title="Permalink to this definition"></a><br /></dt>
<dd><p>Set the tag for the logger </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>tag</strong> – The tag to use for the logger </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay13get_log_levelEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay13get_log_levelEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay13get_log_levelEv"></span><span id="espp::MatouchRotaryDisplay::get_log_levelC"></span><span class="target" id="classespp_1_1BaseComponent_1a54f34a70b117486a7055e4a6f1d4d7a8"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="n"><span class="pre">espp</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="logger.html#_CPPv4N4espp6LoggerE" title="espp::Logger"><span class="n"><span class="pre">Logger</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="logger.html#_CPPv4N4espp6Logger9VerbosityE" title="espp::Logger::Verbosity"><span class="n"><span class="pre">Verbosity</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">get_log_level</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay13get_log_levelEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the log level for the logger <div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1ac6c63313236b0ae6ff44f3f94a6f99cb"><span class="std std-ref">Logger::Verbosity</span></a></p>
</div>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1aa8c260085619fd42e17b92c41a638741"><span class="std std-ref">Logger::set_verbosity</span></a></p>
</div>
</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The verbosity level of the logger </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay13set_log_levelEN4espp6Logger9VerbosityE">
<span id="_CPPv3N4espp20MatouchRotaryDisplay13set_log_levelEN4espp6Logger9VerbosityE"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay13set_log_levelEN4espp6Logger9VerbosityE"></span><span id="espp::MatouchRotaryDisplay::set_log_level__espp::Logger::Verbosity"></span><span class="target" id="classespp_1_1BaseComponent_1a3159df4e466f93ebb6cca7e685d27243"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">set_log_level</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">espp</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="logger.html#_CPPv4N4espp6LoggerE" title="espp::Logger"><span class="n"><span class="pre">Logger</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="logger.html#_CPPv4N4espp6Logger9VerbosityE" title="espp::Logger::Verbosity"><span class="n"><span class="pre">Verbosity</span></span></a><span class="w"> </span><span class="n sig-param"><span class="pre">level</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay13set_log_levelEN4espp6Logger9VerbosityE" title="Permalink to this definition"></a><br /></dt>
<dd><p>Set the log level for the logger <div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1ac6c63313236b0ae6ff44f3f94a6f99cb"><span class="std std-ref">Logger::Verbosity</span></a></p>
</div>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1aa8c260085619fd42e17b92c41a638741"><span class="std std-ref">Logger::set_verbosity</span></a></p>
</div>
</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>level</strong> – The verbosity level to use for the logger </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay17set_log_verbosityEN4espp6Logger9VerbosityE">
<span id="_CPPv3N4espp20MatouchRotaryDisplay17set_log_verbosityEN4espp6Logger9VerbosityE"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay17set_log_verbosityEN4espp6Logger9VerbosityE"></span><span id="espp::MatouchRotaryDisplay::set_log_verbosity__espp::Logger::Verbosity"></span><span class="target" id="classespp_1_1BaseComponent_1abb459bcd55b41471e201475fbf1a1b1f"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">set_log_verbosity</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">espp</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="logger.html#_CPPv4N4espp6LoggerE" title="espp::Logger"><span class="n"><span class="pre">Logger</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="logger.html#_CPPv4N4espp6Logger9VerbosityE" title="espp::Logger::Verbosity"><span class="n"><span class="pre">Verbosity</span></span></a><span class="w"> </span><span class="n sig-param"><span class="pre">level</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay17set_log_verbosityEN4espp6Logger9VerbosityE" title="Permalink to this definition"></a><br /></dt>
<dd><p>Set the log verbosity for the logger <div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="wrover_kit.html#classespp_1_1BaseComponent_1a3159df4e466f93ebb6cca7e685d27243"><span class="std std-ref">set_log_level</span></a></p>
</div>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1ac6c63313236b0ae6ff44f3f94a6f99cb"><span class="std std-ref">Logger::Verbosity</span></a></p>
</div>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1aa8c260085619fd42e17b92c41a638741"><span class="std std-ref">Logger::set_verbosity</span></a></p>
</div>
</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is a convenience method that calls set_log_level </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>level</strong> – The verbosity level to use for the logger </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK4espp20MatouchRotaryDisplay17get_log_verbosityEv">
<span id="_CPPv3NK4espp20MatouchRotaryDisplay17get_log_verbosityEv"></span><span id="_CPPv2NK4espp20MatouchRotaryDisplay17get_log_verbosityEv"></span><span id="espp::MatouchRotaryDisplay::get_log_verbosityC"></span><span class="target" id="classespp_1_1BaseComponent_1ac9cda1ea5d5321040ca13a827057ff79"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="n"><span class="pre">espp</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="logger.html#_CPPv4N4espp6LoggerE" title="espp::Logger"><span class="n"><span class="pre">Logger</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="logger.html#_CPPv4N4espp6Logger9VerbosityE" title="espp::Logger::Verbosity"><span class="n"><span class="pre">Verbosity</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">get_log_verbosity</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK4espp20MatouchRotaryDisplay17get_log_verbosityEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the log verbosity for the logger <div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="wrover_kit.html#classespp_1_1BaseComponent_1a54f34a70b117486a7055e4a6f1d4d7a8"><span class="std std-ref">get_log_level</span></a></p>
</div>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1ac6c63313236b0ae6ff44f3f94a6f99cb"><span class="std std-ref">Logger::Verbosity</span></a></p>
</div>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1a6ed0028b750b3e4aae21d2ecb3670c55"><span class="std std-ref">Logger::get_verbosity</span></a></p>
</div>
</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is a convenience method that calls get_log_level </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The verbosity level of the logger </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay18set_log_rate_limitENSt6chrono8durationIfEE">
<span id="_CPPv3N4espp20MatouchRotaryDisplay18set_log_rate_limitENSt6chrono8durationIfEE"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay18set_log_rate_limitENSt6chrono8durationIfEE"></span><span id="espp::MatouchRotaryDisplay::set_log_rate_limit__std::chrono::duration:float:"></span><span class="target" id="classespp_1_1BaseComponent_1a8b95d7a8a87f22a989f3654a238774a0"></span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">set_log_rate_limit</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">chrono</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">duration</span></span><span class="p"><span class="pre"><</span></span><span class="kt"><span class="pre">float</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="n sig-param"><span class="pre">rate_limit</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay18set_log_rate_limitENSt6chrono8durationIfEE" title="Permalink to this definition"></a><br /></dt>
<dd><p>Set the rate limit for the logger <div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="logger.html#classespp_1_1Logger_1a9ce0c51e1bf43e63235c6ddf3280b15d"><span class="std std-ref">Logger::set_rate_limit</span></a></p>
</div>
</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Only calls to the logger that have _rate_limit suffix will be rate limited </p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>rate_limit</strong> – The rate limit to use for the logger </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay3getEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay3getEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay3getEv"></span><span id="espp::MatouchRotaryDisplay::get"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1ae677e0387c6146c0c220b573175fa676"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N4espp20MatouchRotaryDisplayE" title="espp::MatouchRotaryDisplay"><span class="n"><span class="pre">MatouchRotaryDisplay</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">get</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay3getEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Access the singleton instance of the <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay"><span class="std std-ref">MatouchRotaryDisplay</span></a> class. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>Reference to the singleton instance of the <a class="reference internal" href="#classespp_1_1MatouchRotaryDisplay"><span class="std std-ref">MatouchRotaryDisplay</span></a> class </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay9lcd_widthEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay9lcd_widthEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay9lcd_widthEv"></span><span id="espp::MatouchRotaryDisplay::lcd_widthCE"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1aabf1d5bfeb58eb085d41ee39503f2c94"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="k"><span class="pre">constexpr</span></span><span class="w"> </span><span class="n"><span class="pre">size_t</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">lcd_width</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay9lcd_widthEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the width of the LCD in pixels </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The width of the LCD in pixels </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay10lcd_heightEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay10lcd_heightEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay10lcd_heightEv"></span><span id="espp::MatouchRotaryDisplay::lcd_heightCE"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1aff7e15c02c6da622062c878b27fcf585"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="k"><span class="pre">constexpr</span></span><span class="w"> </span><span class="n"><span class="pre">size_t</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">lcd_height</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay10lcd_heightEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the height of the LCD in pixels </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The height of the LCD in pixels </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N4espp20MatouchRotaryDisplay15get_lcd_dc_gpioEv">
<span id="_CPPv3N4espp20MatouchRotaryDisplay15get_lcd_dc_gpioEv"></span><span id="_CPPv2N4espp20MatouchRotaryDisplay15get_lcd_dc_gpioEv"></span><span id="espp::MatouchRotaryDisplay::get_lcd_dc_gpioCE"></span><span class="target" id="classespp_1_1MatouchRotaryDisplay_1aec4a2e8d65add4422dab2abe1d576694"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">inline</span></span><span class="w"> </span><span class="k"><span class="pre">constexpr</span></span><span class="w"> </span><span class="kt"><span class="pre">auto</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">get_lcd_dc_gpio</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N4espp20MatouchRotaryDisplay15get_lcd_dc_gpioEv" title="Permalink to this definition"></a><br /></dt>
<dd><p>Get the GPIO pin for the LCD data/command signal </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The GPIO pin for the LCD data/command signal </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
</section>
</section>
</section>
</div>
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