Difference between revisions of "Unit Mouse"

Revision as of 05:25, 9 May 2019

`MOUSE_FLAG_NONE = $00000000;`
`MOUSE_FLAG_NON_BLOCK = $00000001;`	If set device reads are non blocking (Also supported in Flags parameter of MouseReadEx)
`MOUSE_FLAG_DIRECT_READ = $00000002;`	If set device writes mouse data to its local buffer and which must be read using MouseDeviceRead
`MOUSE_FLAG_SWAP_BUTTONS = $00000004;`	If set left and right mouse buttons will be swapped in mouse data
`MOUSE_FLAG_PEEK_BUFFER = $00000008;`	Peek at the buffer to see if any data is available, don't remove it. (Used only in Flags parameter of MouseReadEx)

Flags supported by MOUSE_CONTROL_GET/SET/CLEAR_FLAG
`MOUSE_FLAG_MASK = MOUSE_FLAG_NON_BLOCK or MOUSE_FLAG_DIRECT_READ or MOUSE_FLAG_SWAP_BUTTONS;`

Mouse device control code MOUSE_CONTROL_*

`MOUSE_CONTROL_GET_FLAG = 1;`	Get Flag
`MOUSE_CONTROL_SET_FLAG = 2;`	Set Flag
`MOUSE_CONTROL_CLEAR_FLAG = 3;`	Clear Flag
`MOUSE_CONTROL_FLUSH_BUFFER = 4;`	Flush Buffer
`MOUSE_CONTROL_GET_SAMPLE_RATE = 5;`	Get Sample Rate
`MOUSE_CONTROL_SET_SAMPLE_RATE = 6;`	Set Sample Rate
`MOUSE_CONTROL_GET_MAX_X = 7;`	Get Maximum X value (Only applies to Absolute X values)
`MOUSE_CONTROL_GET_MAX_Y = 8;`	Get Maximum Y value (Only applies to Absolute Y values)
`MOUSE_CONTROL_GET_MAX_WHEEL = 9;`	Get Maximum Wheel value (Only applies to Absolute Wheel values)
`MOUSE_CONTROL_GET_MAX_BUTTONS = 10;`	Get Maximum Buttons mask (eg MOUSE_LEFT_BUTTON or MOUSE_RIGHT_BUTTON etc)
`MOUSE_CONTROL_GET_ROTATION = 11;`	Get Rotation value (0, 90, 180, 270) (Only where supported by the driver)
`MOUSE_CONTROL_SET_ROTATION = 12;`	Set Rotation value (0, 90, 180, 270) (Only where supported by the driver)

Mouse buffer size MOUSE_BUFFER_*

`MOUSE_BUFFER_SIZE = 512;`

Mouse sampling rate MOUSE_SAMPLE_*

`MOUSE_SAMPLE_RATE = 100;`	100 samples/sec

Mouse data definition MOUSE_LEFT_*, MOUSE_RIGHT_*

Values for TMouseData.Buttons

`MOUSE_LEFT_BUTTON = $0001;`	The Left mouse button is pressed
`MOUSE_RIGHT_BUTTON = $0002;`	The Right mouse button is pressed
`MOUSE_MIDDLE_BUTTON = $0004;`	The Middle mouse button is pressed
`MOUSE_SIDE_BUTTON = $0008;`	The Side mouse button is pressed
`MOUSE_EXTRA_BUTTON = $0010;`	The Extra mouse button is pressed
`MOUSE_TOUCH_BUTTON = $0020;`	The Touch screen is being touched
`MOUSE_ABSOLUTE_X = $0040;`	The OffsetX value is absolute not relative
`MOUSE_ABSOLUTE_Y = $0080;`	The OffsetY value is absolute not relative
`MOUSE_ABSOLUTE_WHEEL = $0100;`	The OffsetWheel value is absolute not relative

Mouse rotation MOUSE_ROTATION_*

`MOUSE_ROTATION_0 = FRAMEBUFFER_ROTATION_0;`	No rotation
`MOUSE_ROTATION_90 = FRAMEBUFFER_ROTATION_90;`	90 degree rotation
`MOUSE_ROTATION_180 = FRAMEBUFFER_ROTATION_180;`	180 degree rotation
`MOUSE_ROTATION_270 = FRAMEBUFFER_ROTATION_270;`	270 degree rotation

Mouse logging MOUSE_LOG_*

`MOUSE_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;`	Mouse debugging messages
`MOUSE_LOG_LEVEL_INFO = LOG_LEVEL_INFO;`	Mouse informational messages, such as a device being attached or detached
`MOUSE_LOG_LEVEL_WARN = LOG_LEVEL_WARN;`	Mouse warning messages
`MOUSE_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;`	Mouse error messages
`MOUSE_LOG_LEVEL_NONE = LOG_LEVEL_NONE;`	No Mouse messages

USB mouse specific constants USBMOUSE_*

`USBMOUSE_DRIVER_NAME = 'USB Mouse Driver (HID boot protocol)';`	Name of USB mouse driver

`USBMOUSE_MOUSE_DESCRIPTION = 'USB HID Mouse';`	Description of USB mouse device

HID Interface Subclass types (See USB HID v1.11 specification)
`USB_HID_SUBCLASS_NONE = 0;`	Section 4.2
`USB_HID_SUBCLASS_BOOT = 1;`	Section 4.2

HID Interface Protocol types (See USB HID v1.11 specification)
`USB_HID_BOOT_PROTOCOL_NONE = 0;`	Section 4.3
`USB_HID_BOOT_PROTOCOL_KEYBOARD = 1;`	Section 4.3
`USB_HID_BOOT_PROTOCOL_MOUSE = 2;`	Section 4.3

HID Class Descriptor Types (See USB HID v1.11 specification)
`USB_HID_DESCRIPTOR_TYPE_HID = $21;`	Section 7.1
`USB_HID_DESCRIPTOR_TYPE_REPORT = $22;`	Section 7.1
`USB_HID_DESCRIPTOR_TYPE_PHYSICAL_DESCRIPTOR = $23;`	Section 7.1

HID Request types
`USB_HID_REQUEST_GET_REPORT = $01;`
`USB_HID_REQUEST_GET_IDLE = $02;`
`USB_HID_REQUEST_GET_PROTOCOL = $03;`	Section 7.2
`USB_HID_REQUEST_SET_REPORT = $09;`
`USB_HID_REQUEST_SET_IDLE = $0A;`
`USB_HID_REQUEST_SET_PROTOCOL = $0B;`	Section 7.2

HID Protocol types
`USB_HID_PROTOCOL_BOOT = 0;`	Section 7.2.5
`USB_HID_PROTOCOL_REPORT = 1;`	Section 7.2.5

HID Report types
`USB_HID_REPORT_INPUT = 1;`	Section 7.2.1
`USB_HID_REPORT_OUTPUT = 2;`	Section 7.2.1
`USB_HID_REPORT_FEATURE = 3;`	Section 7.2.1

HID Report IDs
`USB_HID_REPORTID_NONE = 0;`	Section 7.2.1

HID Boot Protocol Button bits
`USB_HID_BOOT_LEFT_BUTTON = (1 shl 0);`
`USB_HID_BOOT_RIGHT_BUTTON = (1 shl 1);`
`USB_HID_BOOT_MIDDLE_BUTTON = (1 shl 2);`
`USB_HID_BOOT_SIDE_BUTTON = (1 shl 3);`
`USB_HID_BOOT_EXTRA_BUTTON = (1 shl 4);`

HID Boot Protocol Report data
`USB_HID_BOOT_REPORT_SIZE = 3;`	Appendix B of HID Device Class Definition 1.11
`USB_HID_BOOT_DATA_SIZE = 8;`	Allocate more than the minimum to allow for extra data

Type definitions

Mouse data

PMouseData = ^TMouseData;

TMouseData = record

`Buttons:Word;`	The bitmap of current button values (eg MOUSE_LEFT_BUTTON or MOUSE_RIGHT_BUTTON)
`OffsetX:SmallInt;`	The X offset of the mouse pointer (May be negative, read as absolute if Buttons includes MOUSE_ABSOLUTE_X)
`OffsetY:SmallInt;`	The Y offset of the mouse pointer (May be negative, read as absolute if Buttons includes MOUSE_ABSOLUTE_Y)
`OffsetWheel:SmallInt;`	The X offset of the mouse pointer (May be negative, read as absolute if Buttons includes MOUSE_ABSOLUTE_WHEEL)
`MaximumX:Word;`	The maximum X value of the mouse (Only applicable if Buttons includes MOUSE_ABSOLUTE_X, otherwise must be 0)
`MaximumY:Word;`	The maximum Y value of the mouse (Only applicable if Buttons includes MOUSE_ABSOLUTE_Y, otherwise must be 0)
`MaximumWheel:Word;`	The maximum Wheel value of the mouse (Only applicable if Buttons includes MOUSE_ABSOLUTE_WHEEL, otherwise must be 0)
`Reserved:Word;`	Reserved field (Round structure to 16 bytes)

Mouse buffer

PMouseBuffer = ^TMouseBuffer;

TMouseBuffer = record

`Wait:TSemaphoreHandle;`	Buffer ready semaphore
`Start:LongWord;`	Index of first buffer ready
`Count:LongWord;`	Number of entries ready in buffer
`Buffer:array[0..(MOUSE_BUFFER_SIZE - 1)] of TMouseData;`

Mouse enumeration callback

`TMouseEnumerate = function(Mouse:PMouseDevice; Data:Pointer):LongWord;`

Mouse notification callback

`TMouseNotification = function(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;`

Mouse device read

`TMouseDeviceRead = function(Mouse:PMouseDevice; Buffer:Pointer; Size:LongWord; var Count:LongWord):LongWord;`

Mouse device control

`TMouseDeviceControl = function(Mouse:PMouseDevice; Request:Integer; Argument1:LongWord; var Argument2:LongWord):LongWord;`

Mouse device types

PMouseDevice = ^TMouseDevice;

TMouseDevice = record

Device Properties
`Device:TDevice;`	The Device entry for this Mouse
Mouse Properties
`MouseId:LongWord;`	Unique Id of this Mouse in the Mouse table
`MouseState:LongWord;`	Mouse state (eg MOUSE_STATE_ATTACHED)
`MouseRate:LongWord;`	Mouse sample rate (Samples per second)
`DeviceRead:TMouseDeviceRead;`	A Device specific DeviceRead method implementing a standard Mouse device interface (Or nil if the default method is suitable)
`DeviceControl:TMouseDeviceControl;`	A Device specific DeviceControl method implementing a standard Mouse device interface (Or nil if the default method is suitable)
Driver Properties
`Lock:TMutexHandle;`	Mouse lock
`Buffer:TMouseBuffer;`	Mouse input buffer
Statistics Properties
`ReceiveCount:LongWord;`
`ReceiveErrors:LongWord;`
`BufferOverruns:LongWord;`
Internal Properties
`Prev:PMouseDevice;`	Previous entry in Mouse table
`Next:PMouseDevice;`	Next entry in Mouse table

USB HID descriptor

PUSBHIDDescriptor = ^TUSBHIDDescriptor;

TUSBHIDDescriptor = packed record

`bLength:Byte;`
`bDescriptorType:Byte;`
`bcdHID:Word;`
`bCountryCode:Byte;`
`bNumDescriptors:Byte;`
`bHIDDescriptorType:Byte;`
`wHIDDescriptorLength:Word;`
Note: Up to two optional bHIDDescriptorType/wHIDDescriptorLength pairs after the Report descriptor details

USB mouse device types

PUSBMouseDevice = ^TUSBMouseDevice;

TUSBMouseDevice = record

Mouse Properties
`Mouse:TMouseDevice;`
USB Properties
`HIDInterface:PUSBInterface;`	USB HID Mouse Interface
`ReportRequest:PUSBRequest;`	USB request for mouse report data
`ReportEndpoint:PUSBEndpointDescriptor;`	USB Mouse Interrupt IN Endpoint
`HIDDescriptor:PUSBHIDDescriptor;`	USB HID Descriptor for mouse
`ReportDescriptor:Pointer;`	USB HID Report Descriptor for mouse
`PendingCount:LongWord;`	Number of USB requests pending for this mouse
`WaiterThread:TThreadId;`	Thread waiting for pending requests to complete (for mouse detachment)

Public variables

Mouse logging

`MOUSE_DEFAULT_LOG_LEVEL:LongWord = MOUSE_LOG_LEVEL_DEBUG;`	Minimum level for Mouse messages. Only messages with level greater than or equal to this will be printed.

`MOUSE_LOG_ENABLED:Boolean;`

Function declarations

Initialization functions

procedure MouseInit;

Description: Initialize the mouse unit, device table and USB mouse driver

Note	Called only during system startup

Mouse functions

function MousePeek:LongWord;

Description: Peek at the global mouse buffer to see if any data packets are ready

Return	ERROR_SUCCESS if packets are ready, ERROR_NO_MORE_ITEMS if not or another error code on failure

function MouseRead(Buffer:Pointer; Size:LongWord; var Count:LongWord):LongWord; inline;

Description: Read mouse data packets from the global mouse buffer

Buffer	Pointer to a buffer to copy the mouse data packets to
Size	The size of the buffer in bytes (Must be at least TMouseData or greater)
Count	The number of mouse data packets copied to the bufferm
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseReadEx(Buffer:Pointer; Size,Flags:LongWord; var Count:LongWord):LongWord;

Description: Read mouse data packets from the global mouse buffer

Buffer	Pointer to a buffer to copy the mouse data packets to
Size	The size of the buffer in bytes (Must be at least TMouseData or greater)
Flags	The flags for the behaviour of the read (eg MOUSE_FLAG_NON_BLOCK)
Count	The number of mouse data packets copied to the buffer
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseWrite(Buffer:Pointer; Size,Count:LongWord):LongWord;

Description: Write mouse data packets to the global mouse buffer

Buffer	Pointer to a buffer to copy the mouse data packets from
Size	The size of the buffer in bytes (Must be at least TMouseData or greater)
Count	The number of mouse data packets to copy from the buffer
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseFlush:LongWord;

Description: Flush the contents of the global mouse buffer

Return	ERROR_SUCCESS if completed or another error code on failure

function MouseDeviceRead(Mouse:PMouseDevice; Buffer:Pointer; Size:LongWord; var Count:LongWord):LongWord;

Description: Read mouse data packets from the buffer of the specified mouse

Mouse	The mouse device to read from
Buffer	Pointer to a buffer to copy the mouse data packets to
Size	The size of the buffer in bytes (Must be at least TMouseData or greater)
Count	The number of mouse data packets copied to the buffer
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseDeviceControl(Mouse:PMouseDevice; Request:Integer; Argument1:LongWord; var Argument2:LongWord):LongWord;

Description: Perform a control request on the specified mouse device

Mouse	The mouse device to control
Request	The request code for the operation (eg MOUSE_CONTROL_GET_FLAG)
Argument1	The first argument for the operation (Dependent on request code)
Argument2	The second argument for the operation (Dependent on request code)
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseDeviceSetState(Mouse:PMouseDevice; State:LongWord):LongWord;

Description: Set the state of the specified mouse and send a notification

Mouse	The mouse to set the state for
State	The new state to set and notify
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseDeviceCreate:PMouseDevice;

Description: Create a new Mouse device entry

Return	Pointer to new Mouse device entry or nil if mouse could not be created

function MouseDeviceCreateEx(Size:LongWord):PMouseDevice;

Description: Create a new Mouse device entry

Size	Size in bytes to allocate for new mouse (Including the mouse device entry)
Return	Pointer to new Mouse device entry or nil if mouse could not be created

function MouseDeviceDestroy(Mouse:PMouseDevice):LongWord;

Description: Destroy an existing Mouse device entry

Mouse	The mouse device to destroy
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseDeviceRegister(Mouse:PMouseDevice):LongWord;

Description: Register a new Mouse device in the Mouse table

Mouse	The mouse device to register
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseDeviceDeregister(Mouse:PMouseDevice):LongWord;

Description: Deregister a Mouse device from the Mouse table

Mouse	The mouse device to deregister
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseDeviceFind(MouseId:LongWord):PMouseDevice;

Description: Find a mouse device by ID in the mouse table

MouseId	The ID number of the mouse to find
Return	Pointer to mouse device entry or nil if not found

function MouseDeviceFindByName(const Name:String):PMouseDevice; inline;

Description: Find a mouse device by name in the mouse table

Name	The name of the mouse to find (eg Mouse0)
Return	Pointer to mouse device entry or nil if not found

function MouseDeviceFindByDescription(const Description:String):PMouseDevice; inline;

Description: Find a mouse device by description in the mouse table

Description	The description of the mouse to find (eg USB HID Mouse)
Return	Pointer to mouse device entry or nil if not found

function MouseDeviceEnumerate(Callback:TMouseEnumerate; Data:Pointer):LongWord;

Description: Enumerate all mouse devices in the mouse table

Callback	The callback function to call for each mouse in the table
Data	A private data pointer to pass to callback for each mouse in the table
Return	ERROR_SUCCESS if completed or another error code on failure

function MouseDeviceNotification(Mouse:PMouseDevice; Callback:TMouseNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;

Description: Register a notification for mouse device changes

Mouse	The mouse device to notify changes for (Optional, pass nil for all mice)
Callback	The function to call when a notification event occurs
Data	A private data pointer to pass to callback when a notification event occurs
Notification	The events to register for notification of (eg DEVICE_NOTIFICATION_REGISTER)
Flags	The flags to control the notification (eg NOTIFIER_FLAG_WORKER)

RTL console functions

function SysConsoleHideMouse(AUserData:Pointer):Boolean;

Description: Handler for Platform ConsoleHideMouse function

Note	None documented

function SysConsoleShowMouse(X,Y:LongWord; AUserData:Pointer):Boolean;

Description: Handler for Platform ConsoleShowMouse function

Note	None documented

function SysConsoleReadMouse(var X,Y,Buttons:LongWord; AUserData:Pointer):Boolean;

Description: Handler for Platform ConsoleReadMouse function

Note	None documented

USB mouse functions

function USBMouseDeviceRead(Mouse:PMouseDevice; Buffer:Pointer; Size:LongWord; var Count:LongWord):LongWord;

Description: Implementation of MouseDeviceRead API for USB Mouse

Note	Not intended to be called directly by applications, use MouseDeviceRead instead.

function USBMouseDeviceControl(Mouse:PMouseDevice; Request:Integer; Argument1:LongWord; var Argument2:LongWord):LongWord;

Description: Implementation of MouseDeviceControl API for USB Mouse

Note	Not intended to be called directly by applications, use MouseDeviceControl instead.

function USBMouseDriverBind(Device:PUSBDevice; Interrface:PUSBInterface):LongWord;

Description: Bind the Mouse driver to a USB device if it is suitable

Device	The USB device to attempt to bind to
Interrface	The USB interface to attempt to bind to (or nil for whole device)
Return	USB_STATUS_SUCCESS if completed, USB_STATUS_DEVICE_UNSUPPORTED if unsupported or another error code on failure.

function USBMouseDriverUnbind(Device:PUSBDevice; Interrface:PUSBInterface):LongWord;

Description: Unbind the Mouse driver from a USB device

Device	The USB device to unbind from
Interrface	The USB interface to unbind from (or nil for whole device)
Return	USB_STATUS_SUCCESS if completed or another error code on failure

procedure USBMouseReportWorker(Request:PUSBRequest);

Description: Called (by a Worker thread) to process a completed USB request from a USB mouse IN interrupt endpoint

Request	The USB request which has completed

procedure USBMouseReportComplete(Request:PUSBRequest);

Description: Called when a USB request from a USB mouse IN interrupt endpoint completes

Request	The USB request which has completed
Note	Request is passed to worker thread for processing to prevent blocking the USB completion

Mouse helper functions

function MouseGetCount:LongWord; inline;

Description: Get the current mouse count

Note	None documented

function MouseDeviceCheck(Mouse:PMouseDevice):PMouseDevice;

Description: Check if the supplied Mouse is in the mouse table

Note	None documented

function MouseDeviceTypeToString(MouseType:LongWord):String;

Description: To be documented

Note	None documented

function MouseDeviceStateToString(MouseState:LongWord):String;

Description: To be documented

Note	None documented

function MouseDeviceStateToNotification(State:LongWord):LongWord;

Description: Convert a Mouse state value into the notification code for device notifications

Note	None documented

function MouseInsertData(Mouse:PMouseDevice; Data:PMouseData; Signal:Boolean):LongWord;

Description: Insert a TMouseData entry into the mouse buffer (Direct or Global)

Mouse	The mouse device to insert data for
Data	The TMouseData entry to insert
Signal	If True then signal that new data is available in the buffer
Return	ERROR_SUCCESS if completed or another error code on failure
Note	Caller must hold the mouse lock

procedure MouseLog(Level:LongWord; Mouse:PMouseDevice; const AText:String);

Description: To be documented

Note	None documented

procedure MouseLogInfo(Mouse:PMouseDevice; const AText:String); inline;

Description: To be documented

Note	None documented

procedure MouseLogWarn(Mouse:PMouseDevice; const AText:String); inline;

Description: To be documented

Note	None documented

procedure MouseLogError(Mouse:PMouseDevice; const AText:String); inline;

Description: To be documented

Note	None documented

procedure MouseLogDebug(Mouse:PMouseDevice;const AText:String); inline;

Description: To be documented

Note	None documented

USB mouse helper functions

function USBMouseCheckDevice(Device:PUSBDevice):Boolean;

Description: Check if the supplied USB device is suitable for detection as a HID Mouse Device

Device	The USB device to check
Return	True if the device is suitable or False if it is not

function USBMouseDeviceSetProtocol(Mouse:PUSBMouseDevice; Protocol:Byte):LongWord;

Description: Set the report protocol for a USB mouse device

Mouse	The USB mouse device to set the report protocol for
Protocol	The report protocol to set (eg USB_HID_PROTOCOL_BOOT)
Return	USB_STATUS_SUCCESS if completed or another USB error code on failure

function USBMouseDeviceGetHIDDescriptor(Mouse:PUSBMouseDevice; Descriptor:PUSBHIDDescriptor):LongWord;

Description: Get the HID Descriptor for a USB mouse device

Mouse	The USB mouse device to get the descriptor for
Descriptor	Pointer to a USB HID Descriptor structure for the returned data
Return	USB_STATUS_SUCCESS if completed or another USB error code on failure

function USBMouseDeviceGetReportDescriptor(Mouse:PUSBMouseDevice; Descriptor:Pointer; Size:LongWord):LongWord;

Description: Get the Report Descriptor for a USB mouse device

Mouse	The USB mouse device to get the descriptor for
Descriptor	Pointer to a buffer to return the USB Report Descriptor
Size	The size in bytes of the buffer pointed to by Descriptor
Return	USB_STATUS_SUCCESS if completed or another USB error code on failure

Return to Unit Reference

@@ Line 1,284: / Line 1,284: @@
 ! Protocol
 | The report protocol to set (eg USB_HID_PROTOCOL_BOOT)
+|-
+! Return
+| USB_STATUS_SUCCESS if completed or another USB error code on failure
+|-
+|}
+</div></div>
+<br />
+<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
+<pre style="border: 0; padding-bottom:0px;">function USBMouseDeviceGetHIDDescriptor(Mouse:PUSBMouseDevice; Descriptor:PUSBHIDDescriptor):LongWord;</pre>
+<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the HID Descriptor for a USB mouse device</div>
+<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
+{| class="wikitable" style="font-size: 14px; background: white;"
+|-
+! Mouse
+| The USB mouse device to get the descriptor for
+|-
+! Descriptor
+| Pointer to a USB HID Descriptor structure for the returned data
+|-
+! Return
+| USB_STATUS_SUCCESS if completed or another USB error code on failure
+|-
+|}
+</div></div>
+<br />
+<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
+<pre style="border: 0; padding-bottom:0px;">function USBMouseDeviceGetReportDescriptor(Mouse:PUSBMouseDevice; Descriptor:Pointer; Size:LongWord):LongWord;</pre>
+<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the Report Descriptor for a USB mouse device</div>
+<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
+{| class="wikitable" style="font-size: 14px; background: white;"
+|-
+! Mouse
+| The USB mouse device to get the descriptor for
+|-
+! Descriptor
+| Pointer to a buffer to return the USB Report Descriptor
+|-
+! Size
+| The size in bytes of the buffer pointed to by Descriptor
 |-
 ! Return

`MOUSE_TYPE_NONE = 0;`
`MOUSE_TYPE_USB = 1;`
`MOUSE_TYPE_PS2 = 2;`
`MOUSE_TYPE_SERIAL = 3;`

`MOUSE_TYPE_MAX = 3;`

`MOUSE_STATE_DETACHED = 0;`
`MOUSE_STATE_DETACHING = 1;`
`MOUSE_STATE_ATTACHING = 2;`
`MOUSE_STATE_ATTACHED = 3;`

`MOUSE_STATE_MAX = 3;`

Difference between revisions of "Unit Mouse"

Revision as of 05:25, 9 May 2019

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