Started work on database handling.

include/ehs/io/UsbBase.h

@@ -0,0 +1,48 @@
+#pragma once
+
+#include "ehs/Types.h"
+
+namespace ehs
+{
+    class UsbBase
+    {
+    private:
+        UInt_32 bus;
+        UInt_32 address;
+
+    public:
+        virtual ~UsbBase() = default;
+
+        UsbBase();
+
+        UsbBase(UInt_32 bus, UInt_32 address);
+
+        UsbBase(UsbBase&& usb) noexcept;
+
+        UsbBase(const UsbBase& usb);
+
+        UsbBase& operator=(UsbBase&& usb) noexcept;
+
+        UsbBase& operator=(const UsbBase& usb);
+
+        virtual void Initialize() = 0;
+
+        virtual void Release() = 0;
+
+        virtual bool IsInitialized() const = 0;
+
+        virtual Size Send(const Byte* data, Size size) = 0;
+
+        void BulkSend(const Byte* data, Size size);
+
+        virtual Size Receive(Byte* data, Size size) = 0;
+
+        void BulkReceive(Byte** data, Size* size);
+
+        UInt_32 GetBus() const;
+
+        UInt_32 GetAddress() const;
+
+        bool IsValid() const;
+    };
+}

include/ehs/io/Usb_LNX.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "UsbBase.h"
+#include "File.h"
+
+namespace ehs
+{
+    class Usb final : public UsbBase
+    {
+    private:
+        int hdl;
+
+    public:
+        ~Usb() override;
+
+        Usb();
+
+        Usb(UInt_32 bus, UInt_32 address);
+
+        Usb(Usb&& usb) noexcept;
+
+        Usb(const Usb& usb);
+
+        Usb& operator=(Usb&& usb) noexcept;
+
+        Usb& operator=(const Usb& usb);
+
+        void Initialize() override;
+
+        void Release() override;
+
+        bool IsInitialized() const override;
+    };
+}