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<div id="app"><div class="Layout" data-v-5d98c3a5><!--[--><!--]--><!--[--><span tabindex="-1" data-v-0f60ec36></span><a href="#VPContent" class="VPSkipLink visually-hidden" data-v-0f60ec36> Skip to content </a><!--]--><!----><header class="VPNav" data-v-5d98c3a5 data-v-ae24b3ad><div class="VPNavBar has-sidebar top" data-v-ae24b3ad data-v-ccf7ddec><div class="wrapper" data-v-ccf7ddec><div class="container" data-v-ccf7ddec><div class="title" data-v-ccf7ddec><div class="VPNavBarTitle has-sidebar" data-v-ccf7ddec data-v-ab179fa1><a class="title" href="/" data-v-ab179fa1><!--[--><!--]--><!--[--><!--[--><!--[--><img class="VPImage dark logo" src="/qmk-logo-dark.svg" alt data-v-8426fc1a><!--]--><!--[--><img class="VPImage light logo" src="/qmk-logo-light.svg" alt data-v-8426fc1a><!--]--><!--]--><!--]--><span data-v-ab179fa1>QMK Firmware</span><!--[--><!--]--></a></div></div><div class="content" data-v-ccf7ddec><div class="content-body" data-v-ccf7ddec><!--[--><!--]--><div class="VPNavBarSearch search" data-v-ccf7ddec><!--[--><!----><div id="local-search"><button type="button" class="DocSearch DocSearch-Button" aria-label="Search"><span class="DocSearch-Button-Container"><span class="vp-icon DocSearch-Search-Icon"></span><span class="DocSearch-Button-Placeholder">Search</span></span><span class="DocSearch-Button-Keys"><kbd class="DocSearch-Button-Key"></kbd><kbd class="DocSearch-Button-Key">K</kbd></span></button></div><!--]--></div><nav aria-labelledby="main-nav-aria-label" class="VPNavBarMenu menu" data-v-ccf7ddec data-v-7f418b0f><span id="main-nav-aria-label" class="visually-hidden" data-v-7f418b0f>Main Navigation</span><!--[--><!--[--><a class="VPLink link VPNavBarMenuLink" href="/" tabindex="0" data-v-7f418b0f data-v-9c663999><!--[--><span data-v-9c663999>Home</span><!--]--></a><!--]--><!--]--></nav><!----><div class="VPNavBarAppearance appearance" data-v-ccf7ddec data-v-e6aabb21><button class="VPSwitch VPSwitchAppearance" type="button" role="switch" title="Switch to dark theme" aria-checked="false" data-v-e6aabb21 data-v-d1f28634 data-v-1d5665e3><span class="check" data-v-1d5665e3><span class="icon" data-v-1d5665e3><!--[--><span class="vpi-sun sun" data-v-d1f28634></span><span class="vpi-moon moon" data-v-d1f28634></span><!--]--></span></span></button></div><div class="VPSocialLinks VPNavBarSocialLinks social-links" data-v-ccf7ddec data-v-0394ad82 data-v-7bc22406><!--[--><a class="VPSocialLink no-icon" href="https://reddit.com/r/olkb" aria-label target="_blank" rel="noopener" data-v-7bc22406 data-v-eee4e7cb><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 50" width="50px" height="50px"><path d="M 29 3 C 28.0625 3 27.164063 3.382813 26.5 4 C 25.835938 4.617188 25.363281 5.433594 25 6.40625 C 24.355469 8.140625 24.085938 10.394531 24.03125 13.03125 C 19.234375 13.179688 14.820313 14.421875 11.28125 16.46875 C 10.214844 15.46875 8.855469 14.96875 7.5 14.96875 C 6.089844 14.96875 4.675781 15.511719 3.59375 16.59375 C 1.425781 18.761719 1.425781 22.238281 3.59375 24.40625 L 3.84375 24.65625 C 3.3125 26.035156 3 27.488281 3 29 C 3 33.527344 5.566406 37.585938 9.5625 40.4375 C 13.558594 43.289063 19.007813 45 25 45 C 30.992188 45 36.441406 43.289063 40.4375 40.4375 C 44.433594 37.585938 47 33.527344 47 29 C 47 27.488281 46.6875 26.035156 46.15625 24.65625 L 46.40625 24.40625 C 48.574219 22.238281 48.574219 18.761719 46.40625 16.59375 C 45.324219 15.511719 43.910156 14.96875 42.5 14.96875 C 41.144531 14.96875 39.785156 15.46875 38.71875 16.46875 C 35.195313 14.433594 30.800781 13.191406 26.03125 13.03125 C 26.09375 10.546875 26.363281 8.46875 26.875 7.09375 C 27.164063 6.316406 27.527344 5.757813 27.875 5.4375 C 28.222656 5.117188 28.539063 5 29 5 C 29.460938 5 29.683594 5.125 30.03125 5.40625 C 30.378906 5.6875 30.785156 6.148438 31.3125 6.6875 C 32.253906 7.652344 33.695313 8.714844 36.09375 8.9375 C 36.539063 11.238281 38.574219 13 41 13 C 43.75 13 46 10.75 46 8 C 46 5.25 43.75 3 41 3 C 38.605469 3 36.574219 4.710938 36.09375 6.96875 C 34.3125 6.796875 33.527344 6.109375 32.75 5.3125 C 32.300781 4.851563 31.886719 4
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">digitizer_set_position</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0.5</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0.5</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><p>The &quot;in range&quot; indicator is required to be on for the change in coordinates to be taken. It can then be turned off again to signal the end of the digitizer interaction, but it is not strictly required.</p><p>You can also modify the digitizer state directly, if you need to change multiple fields in a single report:</p><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">digitizer_state.in_range </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">digitizer_state.dirty </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">digitizer_flush</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span></code></pre></div><p><code>digitizer_state</code> is a struct of type <code>digitizer_t</code>.</p><h2 id="api" tabindex="-1">API <a class="header-anchor" href="#api" aria-label="Permalink to &quot;API {#api}&quot;"></a></h2><h3 id="api-digitizer-t" tabindex="-1"><code>struct digitizer_t</code> <a class="header-anchor" href="#api-digitizer-t" aria-label="Permalink to &quot;`struct digitizer_t` {#api-digitizer-t}&quot;"></a></h3><p>Contains the state of the digitizer.</p><h4 id="api-digitizer-t-members" tabindex="-1">Members <a class="header-anchor" href="#api-digitizer-t-members" aria-label="Permalink to &quot;Members {#api-digitizer-t-members}&quot;"></a></h4><ul><li><code>bool in_range</code><br> Indicates to the host that the contact is within range (ie. close to or in contact with the digitizer surface).</li><li><code>bool tip</code><br> The state of the tip switch.</li><li><code>bool barrel</code><br> The state of the barrel switch.</li><li><code>float x</code><br> The X coordinate of the digitizer contact.</li><li><code>float y</code><br> The Y coordinate of the digitizer contact.</li><li><code>bool dirty</code><br> Whether the current state needs to be sent to the host.</li></ul><hr><h3 id="api-digitizer-flush" tabindex="-1"><code>void digitizer_flush(void)</code> <a class="header-anchor" href="#api-digitizer-flush" aria-label="Permalink to &quot;`void digitizer_flush(void)` {#api-digitizer-flush}&quot;"></a></h3><p>Send the digitizer report to the host if it is marked as dirty.</p><hr><h3 id="api-digitizer-in-range-on" tabindex="-1"><code>void digitizer_in_range_on(void)</code> <a class="header-anchor" href="#api-digitizer-in-range-on" aria-label="Permalink to &quot;`void digitizer_in_range_on(void)` {#api-digitizer-in-range-on}&quot;"></a></h3><p>Assert the &quot;in range&quot; indicator, and flush the report.</p><hr><h3 id="api-digitizer-in-range-off" tabindex="-1"><code>void digitizer_in_range_off(void)</code> <a class="header-anchor" href="#api-digitizer-in-range-off" aria-label="Permalink to &quot;`void digitizer_in_range_off(void)` {#api-digitizer-in-range-off}&quot;"></a></h3><p>Deassert the &quot;in range&quot; indicator, and flush the report.</p><hr><h3 id="api-digitizer-tip-switch-on" tabindex="-1"><code>void digitizer_tip_switch_on(void)</code> <a class="header-anchor" href="#api-digitizer-tip-switch-on" aria-label="Permalink to &quot;`void digitizer_tip_switch_on(void)` {#api-digitizer-tip-switch-on}&quot;"></a></h3><p>Assert the tip switch, and flush the report.</p><hr><h3 id="api-digitizer-tip-switch-off" tabindex="-1"><code>void digitizer_tip_switch_off(void)</code> <a class="header-anchor" href="#api-digitizer-tip-switch-off" aria-label="Permalink to &quot;`void digitizer_tip_switch_off(void)` {#api-digitizer-tip-switch-off}&quot;"></a></h3><p>Deassert the tip switch, and flush the report.</p><hr><h3 id="api-digitizer-barrel-switch-on" tabindex="-1"><code>void digitizer_barrel_switch_on(void)</code> <a class="header-anchor" href="#api-digitizer-barrel-switch-on" aria-label="Permalink to &quot;`void digitizer_barrel_switch_on(void)` {#api-digitizer-barrel-switch-on}&quot;"></a></h3><p>Assert the barrel switch, and flush the report.</p><hr><h3 id="api-digitizer-barrel-switch-off" tabindex="-1"><code>void digitizer_barrel_switch_off(void)</code> <a class="header-anchor" href="#api-digitizer-barrel-switch-off" aria-label="Permalink to &quot;`void digitizer_barrel_switch_off(void)` {#api-digitizer-barrel-switch-off}&quot;"></a></h3><p>Deassert the barrel switch, and flush the report.</p><hr><h3 id="api-digitizer-set-position" tabindex="-1"><code>void digitizer_set_position(float x, float y)</code> <a class="header-anchor" href="#api-digitizer-set-position" aria-label="Permalink to &quot;`void digitizer_set_position(float x, float y)` {#api-digitizer-set-position}&quot;"></a></h3><p>Set the absolut
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