196 lines
8.5 KiB
ObjectPascal
196 lines
8.5 KiB
ObjectPascal
unit mr.drv.usb;
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interface
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uses
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WinApi.Windows,
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System.Classes,
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spring.Collections,
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spring.Collections.Lists,
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mr.drv.usb.types,
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mr.drv;
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type
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TUsbDriver = class;
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TUsbDriverClass= class of TUsbDriver;
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TScanCallback = reference to procedure( DevicePath: string);
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TUsbDeviceInfo = class
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private
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fDriverClass : TUsbDriverClass;
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fDevicePath : string;
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fVendorID : word;
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fProductID : word;
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fLocation : string;
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fDescription : string;
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public
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property DriverClass : TUsbDriverClass read fDriverClass;
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property DevicePath : string read fDevicePath;
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property Location : string read fLocation;
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property Description : string read fDescription;
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property VendorID : word read fVendorID;
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property ProductID : word read fProductID;
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public
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constructor Create( DevicePath: string; DriverClass: TUsbDriverClass);
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destructor Destroy; override;
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end;
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IUsbDriverMap = IDictionary<string, TUsbDeviceInfo>;
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TAnsiStringList = TList<AnsiString>;
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TList = spring.Collections.IList<string>;
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TUsbDriver = class abstract(TDriver)
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public
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class procedure Scan( ScanCallback: TScanCallback); virtual; abstract;
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protected
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fVendorID : word;
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fProductID : word;
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fLocation : string;
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fDescription : string;
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fDeviceSpeed : TusbDeviceSpeed;
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fDeviceDescriptor : TUsbDeviceDescriptor;
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public
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function GetDescriptor( DescriptorType : byte;
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Index : byte;
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LanguageID : word;
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Buffer : pointer;
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BufferLength : cardinal;
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var Transferred : cardinal) : boolean; virtual; abstract;
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function GetAssociatedInterface( InterfaceIndex : byte;
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var InterfaceHandle) : boolean; virtual; abstract;
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function QueryInterfaceSettings( AlternateSettingNumber : byte;
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var AlternateSettingDescriptor : TUsbAlternateSettingDescriptor): boolean; virtual; abstract;
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function QueryPipe( AlternateInterfaceNumber : byte;
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PipeIndex : byte;
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var PipeInformation : TusbPipeInformation): boolean; virtual; abstract;
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function ControlTransfer( SetupPacket : TUsbSetupPacket;
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Buffer : pointer;
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BufferLength : cardinal;
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var Transferred : cardinal;
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Overlapped : POverlapped = nil): boolean; virtual; abstract;
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function AbortPipe( PipeID : byte): boolean; virtual; abstract;
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function FlushPipe( PipeID : byte): boolean; virtual; abstract;
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function ResetPipe( PipeID : byte): boolean; virtual; abstract;
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function ReadPipe( PipeID : byte;
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Buffer : pointer;
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BufferLength : cardinal;
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var Transferred : cardinal;
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Overlapped : POverlapped = nil): boolean; virtual; abstract;
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function WritePipe( PipeID : byte;
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Buffer : pointer;
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BufferLength : cardinal;
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var Transferred : cardinal;
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Overlapped : POverlapped = nil): boolean; virtual; abstract;
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function GetOverlappedResult( Overlapped : POverlapped;
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var Transferred : cardinal;
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Wait : boolean): boolean; virtual; abstract;
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public
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constructor Create( DevicePath: string);
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public
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property VendorID : word read fVendorID;
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property ProductID : word read fProductID;
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property Location : string read fLocation;
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property Description : string read fDescription;
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property DeviceSpeed : TusbDeviceSpeed read fDeviceSpeed;
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end;
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// TUsbDriverClass = class of TUsbDriver;
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implementation
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uses
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mr.dev.usb,
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mr.dev.manager,
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System.Win.Registry,
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System.SysUtils;
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{ TUsbDriver }
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// @@@: Construction / destruction ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//
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// Construction / destruction
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//
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ================================================================================================
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// Create
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// ================================================================================================
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constructor TUsbDriver.Create( DevicePath: string);
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begin
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fDeviceHandle := INVALID_HANDLE_VALUE;
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fDevicePath := DevicePath;
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fDeviceSpeed := LowSpeed;
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ParseDevicePath( fDevicePath, fVendorID, fProductID, fLocation, fDescription);
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end;
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// @@@: INTERNALS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//
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// INTERNALS
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//
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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{ TUsbDeviceInfo }
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// @@@: construction / destruction ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//
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// construction / destruction
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//
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ================================================================================================
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// constructor
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// ================================================================================================
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constructor TUsbDeviceInfo.Create(DevicePath: string; DriverClass: TUsbDriverClass);
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begin
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fDevicePath := DevicePath;
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fDriverClass := DriverClass;
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ParseDevicePath( fDevicePath, fVendorID, fProductID, fLocation, fDescription)
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end;
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// ================================================================================================
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// destructor
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// ================================================================================================
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destructor TUsbDeviceInfo.Destroy;
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begin
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inherited;
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end;
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end.
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