:github_url: https://github.com/nyx-org/gaia


.. _program_listing_file_dev_console_ps2.hpp:

Program Listing for File ps2.hpp
================================

|exhale_lsh| :ref:`Return to documentation for file <file_dev_console_ps2.hpp>` (``dev/console/ps2.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /* SPDX-License-Identifier: BSD-2-Clause */
   #pragma once
   #include <amd64/idt.hpp>
   #include <dev/acpi/device.hpp>
   #include <dev/devkit/registry.hpp>
   #include <dev/devkit/service.hpp>
   #include <vm/heap.hpp>
   
   namespace Gaia::Dev {
   
   class Ps2Controller : public Service {
   public:
     static void int_handler(Hal::InterruptFrame *frame, void *arg);
   
     void start(Service *provider) override;
   
     static Vm::UniquePtr<Service> init();
   
     const char *class_name() override { return "Ps2Controller"; }
   
     const char *name() override { return name_str.data(); }
   
   private:
     AcpiDevice *acpi_device;
     frg::string<Vm::HeapAllocator> name_str = "";
     Hal::InterruptEntry int_entry;
   
     bool shift = false, capslock = false, ctrl = false;
   
     enum Scancode {
       MAX = 0x57,
       CTRL = 0x1d,
       CTRL_REL = 0x9d,
       SHIFT_RIGHT = 0x36,
       SHIFT_RIGHT_REL = 0xb6,
       SHIFT_LEFT = 0x2a,
       SHIFT_LEFT_REL = 0xaa,
       ALT_LEFT = 0x38,
       ALT_LEFT_REL = 0xb8,
       CAPSLOCK = 0x3a,
       NUMLOCK = 0x45,
     };
   
     static constexpr auto CAPS_LOCK_LED_ENABLE = (1 << 2);
   };
   
   void ps2_driver_register();
   
   } // namespace Gaia::Dev