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<li class="toctree-l1"><a class="reference internal" href="../overview.html">Tallies Overview</a></li>
<li class="toctree-l1 current"><a class="current reference internal" href="#">Hardware Setup</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#build-a-tally">Build a Tally</a></li>
<li class="toctree-l2"><a class="reference internal" href="#build-the-firmware">Build the firmware</a></li>
<li class="toctree-l2"><a class="reference internal" href="#flash-the-firmware">Flash the firmware</a></li>
<li class="toctree-l2"><a class="reference internal" href="#flash-the-application">Flash the Application</a></li>
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<section id="hardware-setup">
<h1>Hardware Setup<a class="headerlink" href="#hardware-setup" title="Permalink to this heading"></a></h1>
<p>This page describes the hardware setup for the tallies.
How to build the tallies and how to build and flash new firmware to the tallies.</p>
<section id="build-a-tally">
<h2>Build a Tally<a class="headerlink" href="#build-a-tally" title="Permalink to this heading"></a></h2>
<p>For the tallies a classic <code class="docutils literal notranslate"><span class="pre">RGB</span></code> ledstrip is used instead of the more modern <code class="docutils literal notranslate"><span class="pre">WS2812B</span></code> standard. This ledstrip is connected as follows:</p>
<img alt="../_images/tally-schematics-simple.png" src="../_images/tally-schematics-simple.png" />
</section>
<section id="build-the-firmware">
<h2>Build the firmware<a class="headerlink" href="#build-the-firmware" title="Permalink to this heading"></a></h2>
<p>In order to build the firmware a <code class="docutils literal notranslate"><span class="pre">Toolchain</span></code> for cross compilation is required.
This toolchain is provided in the repository in <code class="docutils literal notranslate"><span class="pre">nodemcu-firmware/</span></code>.
To build the code for the tallies, navigate to <code class="docutils literal notranslate"><span class="pre">wifi-tally/tally/</span></code> and run <code class="docutils literal notranslate"><span class="pre">make</span></code>.</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>make
<span class="gp"># </span><span class="k">if</span> it compiles it is syntactically valid
<span class="go">../../nodemcu-firmware/luac.cross -o /dev/null src/init.lua</span>
<span class="go">&quot;busted&quot;</span>
<span class="go">●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●</span>
<span class="go">91 successes / 0 failures / 0 errors / 0 pending : 0.23373 seconds</span>
</pre></div>
</div>
<p>The resulting files are in the <code class="docutils literal notranslate"><span class="pre">out/</span></code> folder.</p>
</section>
<section id="flash-the-firmware">
<h2>Flash the firmware<a class="headerlink" href="#flash-the-firmware" title="Permalink to this heading"></a></h2>
<p>To flash the firmware, first put the device in flash mode.
You can do this by pressing and hodling the <code class="docutils literal notranslate"><span class="pre">FLASH</span></code> button and presing the <code class="docutils literal notranslate"><span class="pre">RST</span></code> button.
After that you can release the <code class="docutils literal notranslate"><span class="pre">FLASH</span></code> button.
Next, navigate to <code class="docutils literal notranslate"><span class="pre">../wifi-tally/firmware</span></code> and run <code class="docutils literal notranslate"><span class="pre">install_firmware.sh</span></code>.</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>./install_firmware.sh
<span class="go">esptool.py v4.4</span>
<span class="go">Serial port /dev/ttyUSB0</span>
<span class="go">Connecting....</span>
<span class="go">Detecting chip type... Unsupported detection protocol, switching and trying again...</span>
<span class="go">Connecting....</span>
<span class="go">Detecting chip type... ESP8266</span>
<span class="go">Chip is ESP8266EX</span>
<span class="go">Features: WiFi</span>
<span class="go">Crystal is 26MHz</span>
<span class="go">MAC: 50:02:91:fd:ca:0a</span>
<span class="go">Uploading stub...</span>
<span class="go">Running stub...</span>
<span class="go">Stub running...</span>
<span class="go">Configuring flash size...</span>
<span class="go">Flash will be erased from 0x00000000 to 0x00070fff...</span>
<span class="go">Flash params set to 0x0020</span>
<span class="go">Compressed 462848 bytes to 301339...</span>
<span class="go">Wrote 462848 bytes (301339 compressed) at 0x00000000 in 26.7 seconds (effective 138.9 kbit/s)...</span>
<span class="go">Hash of data verified.</span>
<span class="go">Leaving...</span>
</pre></div>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>If you receive an error about permissions, run <code class="docutils literal notranslate"><span class="pre">sudo</span> <span class="pre">-E</span> <span class="pre">./install_firmware.sh</span></code> to mitigate permissions for the USB device. Also look in the <code class="docutils literal notranslate"><span class="pre">troubleshooting</span></code> section if you keep having issues.</p>
</div>
</section>
<section id="flash-the-application">
<h2>Flash the Application<a class="headerlink" href="#flash-the-application" title="Permalink to this heading"></a></h2>
<p>Navigate to <code class="docutils literal notranslate"><span class="pre">wifi-tally/tally</span></code> and run <code class="docutils literal notranslate"><span class="pre">install_application.sh</span></code>.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Make sure to edit the <code class="docutils literal notranslate"><span class="pre">out/tally-settings.ini</span></code> for the correct wifi SSID and password.</p>
</div>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>./install_application.sh
<span class="go">opening port /dev/ttyUSB0 with 115200 baud</span>
<span class="go">Preparing esp for transfer.</span>
<span class="go">Transferring out/my-app.lc as out/my-app.lc</span>
<span class="go">Transferring out/my-led.lc as out/my-led.lc</span>
<span class="go">Transferring out/my-log-buffer.lc as out/my-log-buffer.lc</span>
<span class="go">Transferring out/my-log.lc as out/my-log.lc</span>
<span class="go">Transferring out/my-settings.lc as out/my-settings.lc</span>
<span class="go">Transferring out/my-tally.lc as out/my-tally.lc</span>
<span class="go">Transferring out/my-wifi.lc as out/my-wifi.lc</span>
<span class="go">Transferring out/tally-settings.ini as out/tally-settings.ini</span>
<span class="go">All done!</span>
</pre></div>
</div>
<div class="admonition caution">
<p class="admonition-title">Caution</p>
<p>Make sure to also upload the <code class="docutils literal notranslate"><span class="pre">src/`init.lua</span></code> file!</p>
</div>
<p>The tally is ready!</p>
</section>
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