bugfix(button): only install isr service once

components/button/example/main/button_example.cpp

@@ -63,6 +63,20 @@ extern "C" void app_main(void) {
       });
   logger.info("Subscribed: {}", did_sub);
 
+  // create another button
+  espp::Button button_2({
+      .gpio_num = GPIO_NUM_37,
+      .callback =
+          [&](const espp::Button::Event &event) {
+            logger.info("Button {} state changed to: {}", event.gpio_num, event.pressed);
+          },
+      .active_level = espp::Button::ActiveLevel::HIGH,
+      .interrupt_type = espp::Button::InterruptType::ANY_EDGE,
+      .pullup_enabled = false,
+      .pulldown_enabled = false,
+      .log_level = espp::Logger::Verbosity::WARN,
+  });
+
   while (true) {
     std::this_thread::sleep_for(1s);
   }

components/button/include/button.hpp

@@ -85,7 +85,11 @@ class Button {
         .gpio_num = gpio_num_,
         .event_queue = event_queue_,
     };
-    gpio_install_isr_service(0);
+    static bool isr_service_installed = false;
+    if (!isr_service_installed) {
+      gpio_install_isr_service(0);
+      isr_service_installed = true;
+    }
     gpio_isr_handler_add(static_cast<gpio_num_t>(gpio_num_), isr_handler, &handler_args_);
 
     // make the task

docs/adc/adc_types.html

@@ -141,7 +141,7 @@
           <li><a href="index.html">ADC APIs</a> &raquo;</li>
       <li>ADC Types</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/adc/adc_types.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/adc/adc_types.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>

docs/adc/ads1x15.html

@@ -142,7 +142,7 @@
           <li><a href="index.html">ADC APIs</a> &raquo;</li>
       <li>ADS1x15 I2C ADC</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/adc/ads1x15.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/adc/ads1x15.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -159,7 +159,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/ads1x15/include/ads1x15.hpp">components/ads1x15/include/ads1x15.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/ads1x15/include/ads1x15.hpp">components/ads1x15/include/ads1x15.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">

docs/adc/ads7138.html

@@ -142,7 +142,7 @@
           <li><a href="index.html">ADC APIs</a> &raquo;</li>
       <li>ADS7138 I2C ADC</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/adc/ads7138.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/adc/ads7138.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -164,7 +164,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/ads7138/include/ads7138.hpp">components/ads7138/include/ads7138.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/ads7138/include/ads7138.hpp">components/ads7138/include/ads7138.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">

docs/adc/continuous_adc.html

@@ -142,7 +142,7 @@
           <li><a href="index.html">ADC APIs</a> &raquo;</li>
       <li>Continuous ADC</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/adc/continuous_adc.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/adc/continuous_adc.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -164,7 +164,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/adc/include/continuous_adc.hpp">components/adc/include/continuous_adc.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/adc/include/continuous_adc.hpp">components/adc/include/continuous_adc.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">

docs/adc/index.html

@@ -134,7 +134,7 @@
       <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
       <li>ADC APIs</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/adc/index.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/adc/index.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>

docs/adc/oneshot_adc.html

@@ -142,7 +142,7 @@
           <li><a href="index.html">ADC APIs</a> &raquo;</li>
       <li>Oneshot ADC</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/adc/oneshot_adc.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/adc/oneshot_adc.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -163,7 +163,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/adc/include/oneshot_adc.hpp">components/adc/include/oneshot_adc.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/adc/include/oneshot_adc.hpp">components/adc/include/oneshot_adc.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">

docs/bldc/bldc_driver.html

@@ -139,7 +139,7 @@
           <li><a href="index.html">BLDC APIs</a> &raquo;</li>
       <li>BLDC Driver</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/bldc/bldc_driver.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/bldc/bldc_driver.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -156,7 +156,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/bldc_driver/include/bldc_driver.hpp">components/bldc_driver/include/bldc_driver.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/bldc_driver/include/bldc_driver.hpp">components/bldc_driver/include/bldc_driver.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">

docs/bldc/bldc_motor.html

@@ -141,7 +141,7 @@
           <li><a href="index.html">BLDC APIs</a> &raquo;</li>
       <li>BLDC Motor</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/bldc/bldc_motor.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/bldc/bldc_motor.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -172,7 +172,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/bldc_motor/include/bldc_motor.hpp">components/bldc_motor/include/bldc_motor.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/bldc_motor/include/bldc_motor.hpp">components/bldc_motor/include/bldc_motor.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">
@@ -561,13 +561,13 @@ <h4>Example Usage<a class="headerlink" href="#classespp_1_1_bldc_motor_1bldc_mot
 <section id="id1">
 <h3>Header File<a class="headerlink" href="#id1" title="Permalink to this headline"></a></h3>
 <ul class="simple">
-<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/3016379/components/bldc_motor/include/bldc_types.hpp">components/bldc_motor/include/bldc_types.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/bldc_motor/include/bldc_types.hpp">components/bldc_motor/include/bldc_types.hpp</a></p></li>
 </ul>
 </section>
 <section id="id2">
 <h3>Header File<a class="headerlink" href="#id2" title="Permalink to this headline"></a></h3>
 <ul class="simple">
-<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/3016379/components/bldc_motor/include/sensor_direction.hpp">components/bldc_motor/include/sensor_direction.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/bldc_motor/include/sensor_direction.hpp">components/bldc_motor/include/sensor_direction.hpp</a></p></li>
 </ul>
 </section>
 </section>

docs/bldc/index.html

@@ -131,7 +131,7 @@
       <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
       <li>BLDC APIs</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/bldc/index.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/bldc/index.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>

docs/button.html

@@ -134,7 +134,7 @@
       <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
       <li>Button APIs</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/button.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/button.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -160,7 +160,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/button/include/button.hpp">components/button/include/button.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/button/include/button.hpp">components/button/include/button.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">
@@ -223,6 +223,20 @@ <h4>Button Example<a class="headerlink" href="#classespp_1_1_button_1button_ex1"
 <span class="w">      </span><span class="p">});</span><span class="w"></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">&quot;Subscribed: {}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">did_sub</span><span class="p">);</span><span class="w"></span>
 
+<span class="w">  </span><span class="c1">// create another button</span>
+<span class="w">  </span><span class="n">espp</span><span class="o">::</span><span class="n">Button</span><span class="w"> </span><span class="nf">button_2</span><span class="p">({</span><span class="w"></span>
+<span class="w">      </span><span class="p">.</span><span class="n">gpio_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">GPIO_NUM_37</span><span class="p">,</span><span class="w"></span>
+<span class="w">      </span><span class="p">.</span><span class="n">callback</span><span class="w"> </span><span class="o">=</span><span class="w"></span>
+<span class="w">          </span><span class="p">[</span><span class="o">&amp;</span><span class="p">](</span><span class="k">const</span><span class="w"> </span><span class="n">espp</span><span class="o">::</span><span class="n">Button</span><span class="o">::</span><span class="n">Event</span><span class="w"> </span><span class="o">&amp;</span><span class="n">event</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></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">&quot;Button {} state changed to: {}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">event</span><span class="p">.</span><span class="n">gpio_num</span><span class="p">,</span><span class="w"> </span><span class="n">event</span><span class="p">.</span><span class="n">pressed</span><span class="p">);</span><span class="w"></span>
+<span class="w">          </span><span class="p">},</span><span class="w"></span>
+<span class="w">      </span><span class="p">.</span><span class="n">active_level</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">Button</span><span class="o">::</span><span class="n">ActiveLevel</span><span class="o">::</span><span class="n">HIGH</span><span class="p">,</span><span class="w"></span>
+<span class="w">      </span><span class="p">.</span><span class="n">interrupt_type</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">Button</span><span class="o">::</span><span class="n">InterruptType</span><span class="o">::</span><span class="n">ANY_EDGE</span><span class="p">,</span><span class="w"></span>
+<span class="w">      </span><span class="p">.</span><span class="n">pullup_enabled</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">false</span><span class="p">,</span><span class="w"></span>
+<span class="w">      </span><span class="p">.</span><span class="n">pulldown_enabled</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">false</span><span class="p">,</span><span class="w"></span>
+<span class="w">      </span><span class="p">.</span><span class="n">log_level</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">Logger</span><span class="o">::</span><span class="n">Verbosity</span><span class="o">::</span><span class="n">WARN</span><span class="p">,</span><span class="w"></span>
+<span class="w">  </span><span class="p">});</span><span class="w"></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="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">1</span><span class="n">s</span><span class="p">);</span><span class="w"></span>
 <span class="w">  </span><span class="p">}</span><span class="w"></span>

docs/cli.html

@@ -137,7 +137,7 @@
       <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
       <li>Command Line Interface (CLI) APIs</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/cli.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/cli.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -180,7 +180,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/cli/include/cli.hpp">components/cli/include/cli.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/cli/include/cli.hpp">components/cli/include/cli.hpp</a></p></li>
 </ul>
 </section>
 <section id="macros">
@@ -344,7 +344,7 @@ <h4>Oneshot CLI Example<a class="headerlink" href="#classespp_1_1_cli_1cli_ex1"
 <section id="id1">
 <h3>Header File<a class="headerlink" href="#id1" title="Permalink to this headline"></a></h3>
 <ul class="simple">
-<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/3016379/components/cli/include/line_input.hpp">components/cli/include/line_input.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/cli/include/line_input.hpp">components/cli/include/line_input.hpp</a></p></li>
 </ul>
 </section>
 <section id="id2">

docs/color.html

@@ -134,7 +134,7 @@
       <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
       <li>Color APIs</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/color.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/color.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -157,7 +157,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/color/include/color.hpp">components/color/include/color.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/color/include/color.hpp">components/color/include/color.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">

docs/controller.html

@@ -134,7 +134,7 @@
       <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
       <li>Controller APIs</li>
       <li class="wy-breadcrumbs-aside">
-              <a href="https://github.com/esp-cpp/espp/blob/3016379/docs/en/controller.rst" class="fa fa-github"> Edit on GitHub</a>
+              <a href="https://github.com/esp-cpp/espp/blob/a5a07c6/docs/en/controller.rst" class="fa fa-github"> Edit on GitHub</a>
       </li>
   </ul>
   <hr/>
@@ -155,7 +155,7 @@ <h2>API Reference<a class="headerlink" href="#api-reference" title="Permalink to
 <section id="header-file">
 <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/3016379/components/controller/include/controller.hpp">components/controller/include/controller.hpp</a></p></li>
+<li><p><a class="reference external" href="https://github.com/esp-cpp/espp/blob/a5a07c6/components/controller/include/controller.hpp">components/controller/include/controller.hpp</a></p></li>
 </ul>
 </section>
 <section id="classes">