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data-v-b8d55f3b>Setup</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_building_firmware" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Building Your First Firmware</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_flashing" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Flashing Firmware</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/support" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Getting Help/Support</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_external_userspace" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>External Userspace</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_learn_more_resources" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Other Resources</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/syllabus" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Syllabus</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="group" data-v-575e6a36><section class="VPSidebarItem level-0" data-v-575e6a36 data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h2 class="text" data-v-b8d55f3b>FAQs</h2><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/faq_general" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>General FAQ</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/faq_build" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Build/Compile QMK</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/faq_misc" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Troubleshooting QMK</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/faq_debug" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Debugging QMK</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/faq_keymap" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Keymap FAQ</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/squeezing_avr" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Squeezing Space from AVR</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/reference_glossary" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Glossary</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="group" data-v-575e6a36><section class="VPSidebarItem level-0" data-v-575e6a36 data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h2 class="text" data-v-b8d55f3b>Configurator</h2><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_building_firmware_configurator" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Overview</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/configurator_step_by_step" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Step by Step</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/configurator_troubleshooting" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Troubleshooting</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/configurator_architecture" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Architecture</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>QMK API</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/api_overview" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Overview</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/api_docs" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>API Documentation</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/reference_configurator_support" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Keyboard Support</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/configurator_default_keymaps" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Adding Default Keymaps</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><div class="group" data-v-575e6a36><section class="VPSidebarItem level-0" data-v-575e6a36 data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h2 class="text" data-v-b8d55f3b>CLI</h2><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/cli" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Overview</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/cli_configuration" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Configuration</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/cli_commands" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Commands</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/cli_tab_complete" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Tab Completion</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><div class="group" data-v-575e6a36><section class="VPSidebarItem level-0 has-active" data-v-575e6a36 data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h2 class="text" data-v-b8d55f3b>Using QMK</h2><!----></div><div class="items" data-v-b8d55f3b><!--[--><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Guides</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/custom_quantum_functions" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Customizing Functionality</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/driver_installation_zadig" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Driver Installation with Zadig</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/keymap" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Keymap Overview</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-2" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h4 class="text" data-v-b8d55f3b>Development Environments</h4><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/getting_started_docker" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Docker Guide</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/flashing" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Flashing</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-2" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h4 class="text" data-v-b8d55f3b>IDEs</h4><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/other_eclipse" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Using Eclipse with QMK</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/other_vscode" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Using VSCode with QMK</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-2" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h4 class="text" data-v-b8d55f3b>Git Best Practices</h4><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_git_best_practices" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Introduction</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_git_using_your_master_branch" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Your Fork</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_git_resolving_merge_conflicts" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Merge Conflicts</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/newbs_git_resynchronize_a_branch" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Fixing Your Branch</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Simple Keycodes</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/keycodes" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Full List</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/keycodes_basic" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Basic Keycodes</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/reference_keymap_extras" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Language-Specific Keycodes</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/feature_advanced_keycodes" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Modifier Keys</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/quantum_keycodes" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Quantum Keycodes</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/keycodes_magic" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Magic Keycodes</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Advanced Keycodes</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/command" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Command</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/dynamic_macros" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Dynamic Macros</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/grave_esc" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Grave Escape</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/leader_key" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Leader Key</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/mod_tap" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Mod-Tap</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/feature_macros" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Macros</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/mouse_keys" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Mouse Keys</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/programmable_button" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Programmable Button</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/repeat_key" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Repeat Key</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/space_cadet" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Space Cadet Shift</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/keycodes_us_ansi_shifted" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>US ANSI Shifted Keys</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Software Features</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/auto_shift" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Auto Shift</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/autocorrect" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Autocorrect</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/caps_word" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Caps Word</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/combo" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Combos</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/feature_debounce_type" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Debounce API</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/digitizer" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Digitizer</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/feature_eeprom" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>EEPROM</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/key_lock" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Key Lock</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/key_overrides" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Key Overrides</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/feature_layers" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Layers</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/one_shot_keys" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>One Shot Keys</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/os_detection" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>OS Detection</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/rawhid" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Raw HID</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/secure" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Secure</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/send_string" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Send String</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/sequencer" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Sequencer</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/swap_hands" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Swap Hands</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/tap_dance" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Tap Dance</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/tap_hold" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Tap-Hold Configuration</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/tri_layer" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Tri Layer</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/unicode" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Unicode</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/feature_userspace" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Userspace</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/wpm" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>WPM Calculation</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1 has-active" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Hardware Features</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><section class="VPSidebarItem level-2 has-active" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h4 class="text" data-v-b8d55f3b>Displays</h4><!----></div><div class="items" data-v-b8d55f3b><!--[--><section class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/quantum_painter" data-v-b8d55f3b><!--[--><h5 class="text" data-v-b8d55f3b>Quantum Painter</h5><!--]--></a><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-4 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/quantum_painter_lvgl" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Quantum Painter LVGL Integration</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/hd44780" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>HD44780 LCD Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/st7565" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>ST7565 LCD Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/oled_driver" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>OLED Driver</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-2" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h4 class="text" data-v-b8d55f3b>Lighting</h4><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/backlight" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Backlight</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/led_matrix" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>LED Matrix</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/rgblight" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>RGB Lighting</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/rgb_matrix" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>RGB Matrix</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/audio" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Audio</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/bluetooth" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Bluetooth</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/bootmagic" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Bootmagic Lite</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/feature_converters" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Converters</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/custom_matrix" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Custom Matrix</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/dip_switch" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>DIP Switch</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/encoders" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Encoders</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/haptic_feedback" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Haptic Feedback</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/joystick" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Joystick</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/led_indicators" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>LED Indicators</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/midi" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>MIDI</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/pointing_device" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Pointing Device</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/ps2_mouse" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>PS/2 Mouse</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/split_keyboard" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Split Keyboard</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/features/stenography" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Stenography</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Keyboard Building</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/easy_maker" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Easy Maker for One Offs</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/porting_your_keyboard_to_qmk" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Porting Keyboards</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/hand_wire" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Hand Wiring Guide</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/isp_flashing_guide" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>ISP Flashing Guide</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><div class="group" data-v-575e6a36><section class="VPSidebarItem level-0" data-v-575e6a36 data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h2 class="text" data-v-b8d55f3b>Developing QMK</h2><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/pr_checklist" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>PR Checklist</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Breaking Changes</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/breaking_changes" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Overview</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/breaking_changes_instructions" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>My Pull Request Was Flagged</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/ChangeLog/20240825" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Most Recent ChangeLog</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/breaking_changes_history" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Past Breaking Changes</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/support_deprecation_policy" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Deprecation Policy</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>C Development</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/arm_debugging" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>ARM Debugging Guide</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/coding_conventions_c" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Coding Conventions</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/compatible_microcontrollers" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Compatible Microcontrollers</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/hardware_drivers" data-v-b8d55f3b><!--[--><h4 class="text" data-v-b8d55f3b>Drivers</h4><!--]--></a><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/adc" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>ADC Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/apa102" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>APA102 Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/audio" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Audio Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/eeprom" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>EEPROM Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/flash" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Flash Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/i2c" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>I2C Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/serial" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>'serial' Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/spi" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>SPI Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/uart" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>UART Driver</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/ws2812" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>WS2812 Driver</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/drivers/gpio" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>GPIO Controls</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/hardware_keyboard_guidelines" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Keyboard Guidelines</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Python Development</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/coding_conventions_python" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Coding Conventions</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/cli_development" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>QMK CLI Development</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Configurator Development</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><section class="VPSidebarItem level-2" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h4 class="text" data-v-b8d55f3b>QMK API</h4><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/api_development_environment" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Development Environment</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/api_development_overview" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Architecture Overview</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>Hardware Platform Development</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><section class="VPSidebarItem level-2" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h4 class="text" data-v-b8d55f3b>Arm/ChibiOS</h4><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/platformdev_selecting_arm_mcu" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Selecting an MCU</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/platformdev_chibios_earlyinit" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Early initialization</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/platformdev_rp2040" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Raspberry Pi RP2040</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/platformdev_proton_c" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Proton C</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/platformdev_blackpill_f4x1" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>WeAct Blackpill F4x1</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>QMK Reference</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/contributing" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Contributing to QMK</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/config_options" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Config Options</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/data_driven_config" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Data Driven Configuration</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/getting_started_make_guide" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Make Documentation</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/documentation_best_practices" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Documentation Best Practices</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/documentation_templates" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Documentation Templates</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/feature_layouts" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Community Layouts</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/unit_testing" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Unit Testing</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/ref_functions" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Useful Functions</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/reference_info_json" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>info.json Format</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-1" data-v-b8d55f3b data-v-b8d55f3b><div class="item" role="button" tabindex="0" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><h3 class="text" data-v-b8d55f3b>For a Deeper Understanding</h3><!----></div><div class="items" data-v-b8d55f3b><!--[--><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/how_keyboards_work" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>How Keyboards Work</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/how_a_matrix_works" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>How a Matrix Works</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-b8d55f3b data-v-b8d55f3b><div class="item" data-v-b8d55f3b><div class="indicator" data-v-b8d55f3b></div><a class="VPLink link link" href="/understanding_qmk" data-v-b8d55f3b><!--[--><p class="text" data-v-b8d55f3b>Understanding QMK</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-5d98c3a5 data-v-1428d186><div class="VPDoc has-sidebar has-aside" data-v-1428d186 data-v-39a288b8><!--[--><!--]--><div class="container" data-v-39a288b8><div class="aside" data-v-39a288b8><div class="aside-curtain" data-v-39a288b8></div><div class="aside-container" data-v-39a288b8><div class="aside-content" data-v-39a288b8><div class="VPDocAside" data-v-39a288b8 data-v-3f215769><!--[--><!--]--><!--[--><!--]--><div class="VPDocAsideOutline" role="navigation" data-v-3f215769 data-v-935f8a84><div class="content" data-v-935f8a84><div class="outline-marker" data-v-935f8a84></div><div class="outline-title" role="heading" aria-level="2" data-v-935f8a84>On this page</div><nav aria-labelledby="doc-outline-aria-label" data-v-935f8a84><span class="visually-hidden" id="doc-outline-aria-label" data-v-935f8a84> Table of Contents for current page </span><ul class="VPDocOutlineItem root" data-v-935f8a84 data-v-b933a997><!--[--><!--]--></ul></nav></div></div><!--[--><!--]--><div class="spacer" data-v-3f215769></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-39a288b8><div class="content-container" data-v-39a288b8><!--[--><!--]--><main class="main" data-v-39a288b8><div style="position:relative;" class="vp-doc _features_oled_driver" data-v-39a288b8><div><h1 id="oled-driver" tabindex="-1">OLED Driver <a class="header-anchor" href="#oled-driver" aria-label="Permalink to &quot;OLED Driver&quot;"></a></h1><h2 id="supported-hardware" tabindex="-1">Supported Hardware <a class="header-anchor" href="#supported-hardware" aria-label="Permalink to &quot;Supported Hardware&quot;"></a></h2><p>OLED modules using SSD1306, SH1106 or SH1107 driver ICs, communicating over I2C or SPI. Tested combinations:</p><table><thead><tr><th>IC</th><th>Size</th><th>Platform</th><th>Notes</th></tr></thead><tbody><tr><td>SSD1306</td><td>128x32</td><td>AVR</td><td>Primary support</td></tr><tr><td>SSD1306</td><td>128x64</td><td>AVR</td><td>Verified working</td></tr><tr><td>SSD1306</td><td>128x32</td><td>Arm</td><td></td></tr><tr><td>SSD1306</td><td>128x64</td><td>Arm</td><td>Verified working</td></tr><tr><td>SH1106</td><td>128x64</td><td>AVR</td><td>No scrolling</td></tr><tr><td>SH1107</td><td>64x128</td><td>AVR</td><td>No scrolling</td></tr><tr><td>SH1107</td><td>64x128</td><td>Arm</td><td>No scrolling</td></tr><tr><td>SH1107</td><td>128x128</td><td>Arm</td><td>No scrolling</td></tr></tbody></table><p>Hardware configurations using Arm-based microcontrollers or different sizes of OLED modules may be compatible, but are untested.</p><h2 id="usage" tabindex="-1">Usage <a class="header-anchor" href="#usage" aria-label="Permalink to &quot;Usage&quot;"></a></h2><p>To enable the OLED feature, there are two steps. First, when compiling your keyboard, you&#39;ll need to add the following to your <code>rules.mk</code>:</p><div class="language-make vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">make</span><pre class="shiki shiki-themes github-light github-dark vp-code"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">OLED_ENABLE = yes</span></span></code></pre></div><h2 id="oled-type" tabindex="-1">OLED type <a class="header-anchor" href="#oled-type" aria-label="Permalink to &quot;OLED type&quot;"></a></h2><table><thead><tr><th>OLED Driver</th><th>Supported Device</th></tr></thead><tbody><tr><td><code>ssd1306</code> (default)</td><td>For both SSD1306, SH1106, and SH1107</td></tr></tbody></table><p>e.g.</p><div class="language-make vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">make</span><pre class="shiki shiki-themes github-light github-dark vp-code"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">OLED_DRIVER = ssd1306</span></span></code></pre></div><table><thead><tr><th>OLED Transport</th><th></th></tr></thead><tbody><tr><td><code>i2c</code> (default)</td><td>Uses I2C for communication with the OLED panel</td></tr><tr><td><code>spi</code></td><td>Uses SPI for communication with the OLED panel</td></tr></tbody></table><p>e.g.</p><div class="language-make vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">make</span><pre class="shiki shiki-themes github-light github-dark vp-code"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">OLED_TRANSPORT = i2c</span></span></code></pre></div><p>Then in your <code>keymap.c</code> file, implement the OLED task call. This example assumes your keymap has three layers named <code>_QWERTY</code>, <code>_FN</code> and <code>_ADJ</code>:</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:#D73A49;--shiki-dark:#F97583;">#ifdef</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> OLED_ENABLE</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_task_user</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Host Keyboard Layer Status</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Layer: &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> switch</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">get_highest_layer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(layer_state)) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> _QWERTY:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Default</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> _FN:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;FN</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> _ADJ:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;ADJ</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> default</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Or use the write_ln shortcut over adding &#39;\n&#39; to the end of your string</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_ln_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Undefined&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Host Keyboard LED Status</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> led_t</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> led_state </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> host_keyboard_led_state</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(led_state.num_lock </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;NUM &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot; &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(led_state.caps_lock </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;CAP &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot; &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(led_state.scroll_lock </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;SCR &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot; &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#endif</span></span></code></pre></div><h2 id="logo-example" tabindex="-1">Logo Example <a class="header-anchor" href="#logo-example" aria-label="Permalink to &quot;Logo Example&quot;"></a></h2><p>In the default font, certain ranges of characters are reserved for a QMK logo. To render this logo to the OLED screen, use the following code example:</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:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> render_logo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> PROGMEM qmk_logo</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> 0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">80</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">81</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">82</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">83</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">84</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">85</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">86</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">87</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">88</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">89</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8A</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8B</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8C</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8D</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8E</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8F</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">90</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">91</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">92</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">93</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">94</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> 0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A3</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A4</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A5</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A6</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A7</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A8</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">A9</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">AA</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">AB</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">AC</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">AD</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">AE</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">AF</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">B0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">B1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">B2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">B3</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">B4</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> 0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C3</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C4</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C5</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C6</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C7</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C8</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">C9</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">CA</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">CB</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">CC</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">CD</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">CE</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">CF</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">D0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">D1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">D2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">D3</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">D4</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">0x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">00</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> };</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(qmk_logo, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_task_user</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> render_logo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="tip custom-block"><p class="custom-block-title">TIP</p><p>The default font file is located at <code>drivers/oled/glcdfont.c</code> and its location can be overwritten with the <code>OLED_FONT_H</code> configuration option. Font file content can be edited with external tools such as <a href="https://helixfonteditor.netlify.app/" target="_blank" rel="noreferrer">Helix Font Editor</a> and <a href="https://joric.github.io/qle/" target="_blank" rel="noreferrer">Logo Editor</a>.</p></div><h2 id="buffer-read-example" tabindex="-1">Buffer Read Example <a class="header-anchor" href="#buffer-read-example" aria-label="Permalink to &quot;Buffer Read Example&quot;"></a></h2><p>For some purposes, you may need to read the current state of the OLED display buffer. The <code>oled_read_raw</code> function can be used to safely read bytes from the buffer.</p><p>In this example, calling <code>fade_display</code> in the <code>oled_task_user</code> function will slowly fade away whatever is on the screen by turning random pixels black over time.</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:#6A737D;--shiki-dark:#6A737D;">//Setup some mask which can be or&#39;d with bytes to turn off pixels</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> single_bit_masks</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">] </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">127</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">191</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">223</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">239</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">247</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">251</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">253</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">254</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">};</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> fade_display</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> //Define the reader structure</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> oled_buffer_reader_t</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> reader;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> uint8_t</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> buff_char;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">random</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">%</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 30</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> srand</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">timer_read</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">());</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Fetch a pointer for the buffer byte at index 0. The return structure</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // will have the pointer and the number of bytes remaining from this</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // index position if we want to perform a sequential read by</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // incrementing the buffer pointer</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> reader </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_read_raw</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> //Loop over the remaining buffer and erase pixels as we go</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint16_t</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> i </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; i </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> reader.remaining_element_count; i</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> //Get the actual byte in the buffer by dereferencing the pointer</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> buff_char </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">reader.current_element;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (buff_char </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_raw_byte</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(buff_char </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> single_bit_masks</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">rand</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">%</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 8</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">], i);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> //increment the pointer to fetch a new byte during the next loop</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> reader.current_element</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><h2 id="other-examples" tabindex="-1">Other Examples <a class="header-anchor" href="#other-examples" aria-label="Permalink to &quot;Other Examples&quot;"></a></h2><p>In split keyboards, it is very common to have two OLED displays that each render different content and are oriented or flipped differently. You can do this by switching which content to render by using the return value from <code>is_keyboard_master()</code> or <code>is_keyboard_left()</code> found in <code>split_util.h</code>, e.g:</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:#D73A49;--shiki-dark:#F97583;">#ifdef</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> OLED_ENABLE</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_init_user</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> rotation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">is_keyboard_master</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_180;</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // flips the display 180 degrees if offhand</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> rotation;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_task_user</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">is_keyboard_master</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()) {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> render_status</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Renders the current keyboard state (layer, lock, caps, scroll, etc)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">else</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> render_logo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Renders a static logo</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_scroll_left</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Turns on scrolling</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#endif</span></span></code></pre></div><p>Render a message before booting into bootloader mode.</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:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_render_boot</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> bootloader</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_clear</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">int</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> i </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; i </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 16</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; i</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_set_cursor</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, i);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (bootloader) {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Awaiting New Firmware &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">else</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PSTR</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Rebooting &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_render_dirty</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</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;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> shutdown_user</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> jump_to_bootloader</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_render_boot</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(jump_to_bootloader);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><h2 id="basic-configuration" tabindex="-1">Basic Configuration <a class="header-anchor" href="#basic-configuration" aria-label="Permalink to &quot;Basic Configuration&quot;"></a></h2><p>These configuration options should be placed in <code>config.h</code>. Example:</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:#D73A49;--shiki-dark:#F97583;">#define</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> OLED_BRIGHTNESS</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 128</span></span></code></pre></div><table><thead><tr><th>Define</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>OLED_BRIGHTNESS</code></td><td><code>255</code></td><td>The default brightness level of the OLED, from 0 to 255.</td></tr><tr><td><code>OLED_COLUMN_OFFSET</code></td><td><code>0</code></td><td>Shift output to the right this many pixels.<br>Useful for 128x64 displays centered on a 132x64 SH1106 IC.</td></tr><tr><td><code>OLED_DISPLAY_CLOCK</code></td><td><code>0x80</code></td><td>Set the display clock divide ratio/oscillator frequency.</td></tr><tr><td><code>OLED_FONT_H</code></td><td><code>&quot;glcdfont.c&quot;</code></td><td>The font code file to use for custom fonts</td></tr><tr><td><code>OLED_FONT_START</code></td><td><code>0</code></td><td>The starting character index for custom fonts</td></tr><tr><td><code>OLED_FONT_END</code></td><td><code>223</code></td><td>The ending character index for custom fonts</td></tr><tr><td><code>OLED_FONT_WIDTH</code></td><td><code>6</code></td><td>The font width</td></tr><tr><td><code>OLED_FONT_HEIGHT</code></td><td><code>8</code></td><td>The font height (untested)</td></tr><tr><td><code>OLED_IC</code></td><td><code>OLED_IC_SSD1306</code></td><td>Set to <code>OLED_IC_SH1106</code> or <code>OLED_IC_SH1107</code> if the corresponding controller chip is used.</td></tr><tr><td><code>OLED_FADE_OUT</code></td><td><em>Not defined</em></td><td>Enables fade out animation. Use together with <code>OLED_TIMEOUT</code>.</td></tr><tr><td><code>OLED_FADE_OUT_INTERVAL</code></td><td><code>0</code></td><td>The speed of fade out animation, from 0 to 15. Larger values are slower.</td></tr><tr><td><code>OLED_SCROLL_TIMEOUT</code></td><td><code>0</code></td><td>Scrolls the OLED screen after 0ms of OLED inactivity. Helps reduce OLED Burn-in. Set to 0 to disable.</td></tr><tr><td><code>OLED_SCROLL_TIMEOUT_RIGHT</code></td><td><em>Not defined</em></td><td>Scroll timeout direction is right when defined, left when undefined.</td></tr><tr><td><code>OLED_TIMEOUT</code></td><td><code>60000</code></td><td>Turns off the OLED screen after 60000ms of screen update inactivity. Helps reduce OLED Burn-in. Set to 0 to disable.</td></tr><tr><td><code>OLED_UPDATE_INTERVAL</code></td><td><code>0</code> (<code>50</code> for split keyboards)</td><td>Set the time interval for updating the OLED display in ms. This will improve the matrix scan rate.</td></tr><tr><td><code>OLED_UPDATE_PROCESS_LIMIT</code></td><td><code>1</code></td><td>Set the number of dirty blocks to render per loop. Increasing may degrade performance.</td></tr></tbody></table><h3 id="i2c-configuration" tabindex="-1">I2C Configuration <a class="header-anchor" href="#i2c-configuration" aria-label="Permalink to &quot;I2C Configuration&quot;"></a></h3><table><thead><tr><th>Define</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>OLED_DISPLAY_ADDRESS</code></td><td><code>0x3C</code></td><td>The i2c address of the OLED Display</td></tr></tbody></table><h3 id="spi-configuration" tabindex="-1">SPI Configuration <a class="header-anchor" href="#spi-configuration" aria-label="Permalink to &quot;SPI Configuration&quot;"></a></h3><table><thead><tr><th>Define</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>OLED_DC_PIN</code></td><td>Required</td><td>The pin used for the DC connection of the OLED Display.</td></tr><tr><td><code>OLED_CS_PIN</code></td><td>Required</td><td>The pin used for the CS connection of the OLED Display.</td></tr><tr><td><code>OLED_RST_PIN</code></td><td><em>Not defined</em></td><td>The pin used for the RST connection of the OLED Display (may be left undefined if the RST pin is not connected).</td></tr><tr><td><code>OLED_SPI_MODE</code></td><td><code>3</code> (default)</td><td>The SPI Mode for the OLED Display (not typically changed).</td></tr><tr><td><code>OLED_SPI_DIVISOR</code></td><td><code>2</code> (default)</td><td>The SPI Multiplier to use for the OLED Display.</td></tr></tbody></table><h2 id="_128x64-custom-sized-oled-displays" tabindex="-1">128x64 &amp; Custom sized OLED Displays <a class="header-anchor" href="#_128x64-custom-sized-oled-displays" aria-label="Permalink to &quot;128x64 &amp; Custom sized OLED Displays&quot;"></a></h2><p>The default display size for this feature is 128x32, and the defaults are set with that in mind. However, there are a number of additional presets for common sizes that we have added. You can define one of these values to use the presets. If your display doesn&#39;t match one of these presets, you can define <code>OLED_DISPLAY_CUSTOM</code> to manually specify all of the values.</p><table><thead><tr><th>Define</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>OLED_DISPLAY_128X64</code></td><td><em>Not defined</em></td><td>Changes the display defines for use with 128x64 displays.</td></tr><tr><td><code>OLED_DISPLAY_64X32</code></td><td><em>Not defined</em></td><td>Changes the display defines for use with 64x32 displays.</td></tr><tr><td><code>OLED_DISPLAY_64X48</code></td><td><em>Not defined</em></td><td>Changes the display defines for use with 64x48 displays.</td></tr><tr><td><code>OLED_DISPLAY_64X128</code></td><td><em>Not defined</em></td><td>Changes the display defines for use with 64x128 displays.</td></tr><tr><td><code>OLED_DISPLAY_128X128</code></td><td><em>Not defined</em></td><td>Changes the display defines for use with 128x128 displays.</td></tr><tr><td><code>OLED_DISPLAY_CUSTOM</code></td><td><em>Not defined</em></td><td>Changes the display defines for use with custom displays.<br>Requires user to implement the below defines.</td></tr></tbody></table><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>64x128 and 128x128 displays default to the SH1107 IC type, as these heights are not supported by the other IC types.</p></div><table><thead><tr><th>Define</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>OLED_DISPLAY_WIDTH</code></td><td><code>128</code></td><td>The width of the OLED display.</td></tr><tr><td><code>OLED_DISPLAY_HEIGHT</code></td><td><code>32</code></td><td>The height of the OLED display.</td></tr><tr><td><code>OLED_MATRIX_SIZE</code></td><td><code>512</code></td><td>The local buffer size to allocate.<br><code>(OLED_DISPLAY_HEIGHT / 8 * OLED_DISPLAY_WIDTH)</code>.</td></tr><tr><td><code>OLED_BLOCK_TYPE</code></td><td><code>uint16_t</code></td><td>The unsigned integer type to use for dirty rendering.</td></tr><tr><td><code>OLED_BLOCK_COUNT</code></td><td><code>16</code></td><td>The number of blocks the display is divided into for dirty rendering.<br><code>(sizeof(OLED_BLOCK_TYPE) * 8)</code>.</td></tr><tr><td><code>OLED_BLOCK_SIZE</code></td><td><code>32</code></td><td>The size of each block for dirty rendering<br><code>(OLED_MATRIX_SIZE / OLED_BLOCK_COUNT)</code>.</td></tr><tr><td><code>OLED_COM_PINS</code></td><td><code>COM_PINS_SEQ</code></td><td>How the SSD1306 chip maps it&#39;s memory to display.<br>Options are <code>COM_PINS_SEQ</code>, <code>COM_PINS_ALT</code>, <code>COM_PINS_SEQ_LR</code>, &amp; <code>COM_PINS_ALT_LR</code>.</td></tr><tr><td><code>OLED_COM_PIN_COUNT</code></td><td><em>Not defined</em></td><td>Number of COM pins supported by the controller.<br>If not defined, the value appropriate for the defined <code>OLED_IC</code> is used.</td></tr><tr><td><code>OLED_COM_PIN_OFFSET</code></td><td><code>0</code></td><td>Number of the first COM pin used by the OLED matrix.</td></tr><tr><td><code>OLED_SOURCE_MAP</code></td><td><code>{ 0, ... N }</code></td><td>Precalculated source array to use for mapping source buffer to target OLED memory in 90 degree rendering.</td></tr><tr><td><code>OLED_TARGET_MAP</code></td><td><code>{ 24, ... N }</code></td><td>Precalculated target array to use for mapping source buffer to target OLED memory in 90 degree rendering.</td></tr></tbody></table><h3 id="_90-degree-rotation-technical-mumbo-jumbo" tabindex="-1">90 Degree Rotation - Technical Mumbo Jumbo <a class="header-anchor" href="#_90-degree-rotation-technical-mumbo-jumbo" aria-label="Permalink to &quot;90 Degree Rotation - Technical Mumbo Jumbo&quot;"></a></h3><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:#6A737D;--shiki-dark:#6A737D;">// OLED Rotation enum values are flags</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">typedef</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> enum</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_0 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_90 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_180 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_270 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 3</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // OLED_ROTATION_90 | OLED_ROTATION_180</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">} </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span></code></pre></div><p>OLED displays driven by SSD1306, SH1106 or SH1107 drivers only natively support in hardware 0 degree and 180 degree rendering. This feature is done in software and not free. Using this feature will increase the time to calculate what data to send over i2c to the OLED. If you are strapped for cycles, this can cause keycodes to not register. In testing however, the rendering time on an ATmega32U4 board only went from 2ms to 5ms and keycodes not registering was only noticed once we hit 15ms.</p><p>90 degree rotation is achieved by using bitwise operations to rotate each 8 block of memory and uses two precalculated arrays to remap buffer memory to OLED memory. The memory map defines are precalculated for remap performance and are calculated based on the display height, width, and block size. For example, in the 128x32 implementation with a <code>uint8_t</code> block type, we have a 64 byte block size. This gives us eight 8 byte blocks that need to be rotated and rendered. The OLED renders horizontally two 8 byte blocks before moving down a page, e.g:</p><table><thead><tr><th></th><th></th><th></th><th></th><th></th><th></th></tr></thead><tbody><tr><td>0</td><td>1</td><td></td><td></td><td></td><td></td></tr><tr><td>2</td><td>3</td><td></td><td></td><td></td><td></td></tr><tr><td>4</td><td>5</td><td></td><td></td><td></td><td></td></tr><tr><td>6</td><td>7</td><td></td><td></td><td></td><td></td></tr></tbody></table><p>However the local buffer is stored as if it was Height x Width display instead of Width x Height, e.g:</p><table><thead><tr><th></th><th></th><th></th><th></th><th></th><th></th></tr></thead><tbody><tr><td>3</td><td>7</td><td></td><td></td><td></td><td></td></tr><tr><td>2</td><td>6</td><td></td><td></td><td></td><td></td></tr><tr><td>1</td><td>5</td><td></td><td></td><td></td><td></td></tr><tr><td>0</td><td>4</td><td></td><td></td><td></td><td></td></tr></tbody></table><p>So those precalculated arrays just index the memory offsets in the order in which each one iterates its data.</p><p>Rotation on SH1106 and SH1107 is noticeably less efficient than on SSD1306, because these controllers do not support the “horizontal addressing mode”, which allows transferring the data for the whole rotated block at once; instead, separate address setup commands for every page in the block are required. The screen refresh time for SH1107 is therefore about 45% higher than for a same size screen with SSD1306 when using STM32 MCUs (on AVR the slowdown is about 20%, because the code which actually rotates the bitmap consumes more time).</p><h2 id="oled-api" tabindex="-1">OLED API <a class="header-anchor" href="#oled-api" aria-label="Permalink to &quot;OLED API&quot;"></a></h2><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:#6A737D;--shiki-dark:#6A737D;">// OLED Rotation enum values are flags</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">typedef</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> enum</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_0 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_90 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_180 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OLED_ROTATION_270 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 3</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // OLED_ROTATION_90 | OLED_ROTATION_180</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">} </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
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<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Initialize the oled display, rotating the rendered output based on the define passed in.</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the OLED was initialized successfully</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_init</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> rotation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Called at the start of oled_init, weak function overridable by the user</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// rotation - the value passed into oled_init</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Return new oled_rotation_t if you want to override default rotation</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_init_kb</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> rotation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_init_user</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_rotation_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> rotation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Send commands/data to screen</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_send_cmd</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> uint8_t</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint16_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> size</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_send_cmd_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> uint8_t</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint16_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> size</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_send_data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> uint8_t</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint16_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> size</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Clears the display buffer, resets cursor position to 0, and sets the buffer to dirty for rendering</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_clear</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Alias to oled_render_dirty to avoid a change in api.</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#define</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_render</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">oled_render_dirty</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Renders all dirty blocks to the display at one time or a subset depending on the value of</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// all.</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_render_dirty</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> all</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Moves cursor to character position indicated by column and line, wraps if out of bounds</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Max column denoted by &#39;oled_max_chars()&#39; and max lines by &#39;oled_max_lines()&#39; functions</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_set_cursor</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> col</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> line</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advances the cursor to the next page, writing &#39; &#39; if true</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Wraps to the beginning when out of bounds</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_advance_page</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> clearPageRemainder</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Moves the cursor forward 1 character length</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advance page if there is not enough room for the next character</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Wraps to the beginning when out of bounds</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_advance_char</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Writes a single character to the buffer at current cursor position</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advances the cursor while writing, inverts the pixels if true</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Main handler that writes character data to the display buffer</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_char</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Writes a string to the buffer at current cursor position</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advances the cursor while writing, inverts the pixels if true</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Writes a string to the buffer at current cursor position</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advances the cursor while writing, inverts the pixels if true</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advances the cursor to the next page, wiring &#39; &#39; to the remainder of the current page</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_ln</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Pans the buffer to the right (or left by passing true) by moving contents of the buffer</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Useful for moving the screen in preparation for new drawing</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_pan</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> left</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns a pointer to the requested start index in the buffer plus remaining</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// buffer length as struct</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">oled_buffer_reader_t</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_read_raw</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint16_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> start_index</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Writes a string to the buffer at current cursor position</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_raw</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint16_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> size</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Writes a single byte into the buffer at the specified index</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_raw_byte</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint16_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> index</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Sets a specific pixel on or off</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Coordinates start at top-left and go right and down for positive x and y</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_pixel</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> x</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> y</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> on</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#if</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> defined</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">__AVR__</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Writes a PROGMEM string to the buffer at current cursor position</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advances the cursor while writing, inverts the pixels if true</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Remapped to call &#39;void oled_write(const char *data, bool invert);&#39; on ARM</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Writes a PROGMEM string to the buffer at current cursor position</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advances the cursor while writing, inverts the pixels if true</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Advances the cursor to the next page, wiring &#39; &#39; to the remainder of the current page</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Remapped to call &#39;void oled_write_ln(const char *data, bool invert);&#39; on ARM</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_ln_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Writes a PROGMEM string to the buffer at current cursor position</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_raw_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint16_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> size</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#else</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"># define</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">oled_write</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(data, invert)</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"># define</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_ln_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">oled_write_ln</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(data, invert)</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"># define</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_write_raw_P</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">size</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">oled_write_raw</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(data, size)</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#endif</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // defined(__AVR__)</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Can be used to manually turn on the screen if it is off</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the screen was on or turns on</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_on</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Can be used to manually turn off the screen if it is on</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the screen was off or turns off</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_off</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the oled is currently on, false if it is</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// not</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> is_oled_on</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Sets the brightness level of the display</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_set_brightness</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> level</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Gets the current brightness level of the display</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_get_brightness</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Basically it&#39;s oled_render, but with timeout management and oled_task_user calling!</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_task</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Called at the start of oled_task, weak function overridable by the user</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_task_kb</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_task_user</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Set the specific 8 lines rows of the screen to scroll.</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// 0 is the default for start, and 7 for end, which is the entire</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// height of the screen. For 128x32 screens, rows 4-7 are not used.</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_scroll_set_area</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> start_line</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> end_line</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Sets scroll speed, 0-7, fastest to slowest. Default is three.</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Does not take effect until scrolling is either started or restarted</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// the ssd1306 supports 8 speeds with the delay</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// listed below between each frame of the scrolling effect</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// 0=2, 1=3, 2=4, 3=5, 4=25, 5=64, 6=128, 7=256</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_scroll_set_speed</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> speed</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Begin scrolling the entire display right</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the screen was scrolling or starts scrolling</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// NOTE: display contents cannot be changed while scrolling</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_scroll_right</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Begin scrolling the entire display left</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the screen was scrolling or starts scrolling</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// NOTE: display contents cannot be changed while scrolling</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_scroll_left</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Turns off display scrolling</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the screen was not scrolling or stops scrolling</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_scroll_off</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the oled is currently scrolling, false if it is</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// not</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> is_oled_scrolling</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Inverts the display</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns true if the screen was or is inverted</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> invert</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns the maximum number of characters that will fit on a line</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_max_chars</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Returns the maximum number of lines that will fit on the OLED</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">uint8_t</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> oled_max_lines</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>Scrolling is unsupported on the SH1106 and SH1107.</p></div><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>Scrolling does not work properly on the SSD1306 if the display width is smaller than 128.</p></div><h2 id="ssd1306-h-driver-conversion-guide" tabindex="-1">SSD1306.h Driver Conversion Guide <a class="header-anchor" href="#ssd1306-h-driver-conversion-guide" aria-label="Permalink to &quot;SSD1306.h Driver Conversion Guide&quot;"></a></h2><table><thead><tr><th>Old API</th><th>Recommended New API</th></tr></thead><tbody><tr><td><code>struct CharacterMatrix</code></td><td><em>removed - delete all references</em></td></tr><tr><td><code>iota_gfx_init</code></td><td><code>oled_init</code></td></tr><tr><td><code>iota_gfx_on</code></td><td><code>oled_on</code></td></tr><tr><td><code>iota_gfx_off</code></td><td><code>oled_off</code></td></tr><tr><td><code>iota_gfx_flush</code></td><td><code>oled_render</code></td></tr><tr><td><code>iota_gfx_write_char</code></td><td><code>oled_write_char</code></td></tr><tr><td><code>iota_gfx_write</code></td><td><code>oled_write</code></td></tr><tr><td><code>iota_gfx_write_P</code></td><td><code>oled_write_P</code></td></tr><tr><td><code>iota_gfx_clear_screen</code></td><td><code>oled_clear</code></td></tr><tr><td><code>matrix_clear</code></td><td><em>removed - delete all references</em></td></tr><tr><td><code>matrix_write_char_inner</code></td><td><code>oled_write_char</code></td></tr><tr><td><code>matrix_write_char</code></td><td><code>oled_write_char</code></td></tr><tr><td><code>matrix_write</code></td><td><code>oled_write</code></td></tr><tr><td><code>matrix_write_ln</code></td><td><code>oled_write_ln</code></td></tr><tr><td><code>matrix_write_P</code></td><td><code>oled_write_P</code></td></tr><tr><td><code>matrix_write_ln_P</code></td><td><code>oled_write_ln_P</code></td></tr><tr><td><code>matrix_render</code></td><td><code>oled_render</code></td></tr><tr><td><code>iota_gfx_task</code></td><td><code>oled_task</code></td></tr><tr><td><code>iota_gfx_task_user</code></td><td><code>oled_task_user</code></td></tr></tbody></table></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-09de1c0f><!--[--><!--]--><!----><nav class="prev-next" data-v-09de1c0f><div class="pager" data-v-09de1c0f><a class="VPLink link pager-link prev" href="/features/st7565" data-v-09de1c0f><!--[--><span class="desc" data-v-09de1c0f>Previous page</span><span class="title" data-v-09de1c0f>ST7565 LCD Driver</span><!--]--></a></div><div class="pager" data-v-09de1c0f><a class="VPLink link pager-link next" href="/features/backlight" data-v-09de1c0f><!--[--><span class="desc" data-v-09de1c0f>Next page</span><span class="title" data-v-09de1c0f>Backlight</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><!----><!--[--><!--]--></div></div>
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