Difference between revisions of "Unit Touch"

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|-
 
|-
−
! '''Note'''
+
! Note
 
| Called only during system startup
 
| Called only during system startup
 
|-
 
|-
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|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to start
 
| The Touch device to start
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
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|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to stop
 
| The Touch device to stop
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
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|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to peek at
 
| The Touch device to peek at
 
|-
 
|-
−
! '''Return'''
+
! Return
−
| ERROR_SUCCESS if packets are ready, ERROR_NO_MORE_ITEMS if not or another error code on failure
+
| ERROR_SUCCESS if packets are ready, ERROR_NO_MORE_ITEMS if not or another error code on failure.
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to read from
 
| The Touch device to read from
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Pointer to a buffer to copy the touch data packets to
 
| Pointer to a buffer to copy the touch data packets to
 
|-
 
|-
−
! '''Size'''
+
! Size
 
| The size of the buffer in bytes (Must be at least TTouchData or greater)
 
| The size of the buffer in bytes (Must be at least TTouchData or greater)
 
|-
 
|-
−
! '''Flags'''
+
! Flags
 
| The flags for the behaviour of the read (eg TOUCH_FLAG_NON_BLOCK)
 
| The flags for the behaviour of the read (eg TOUCH_FLAG_NON_BLOCK)
 
|-
 
|-
−
! '''Count'''
+
! Count
 
| The number of touch data packets copied to the buffer
 
| The number of touch data packets copied to the buffer
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
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|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to write to
 
| The Touch device to write to
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Pointer to a buffer to copy the touch data packets from
 
| Pointer to a buffer to copy the touch data packets from
 
|-
 
|-
−
! '''Size'''
+
! Size
 
| The size of the buffer in bytes (Must be at least TTouchData or greater)
 
| The size of the buffer in bytes (Must be at least TTouchData or greater)
 
|-
 
|-
−
! '''Count'''
+
! Count
 
| The number of touch data packets to copy from the buffer
 
| The number of touch data packets to copy from the buffer
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
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|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to flush
 
| The Touch device to flush
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
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|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to control
 
| The Touch device to control
 
|-
 
|-
−
! '''Request'''
+
! Request
 
| The request code for the operation (eg TOUCH_CONTROL_GET_FLAG)
 
| The request code for the operation (eg TOUCH_CONTROL_GET_FLAG)
 
|-
 
|-
−
! '''Argument1'''
+
! Argument1
 
| The first argument for the operation (Dependent on request code)
 
| The first argument for the operation (Dependent on request code)
 
|-
 
|-
−
! '''Argument2'''
+
! Argument2
 
| The second argument for the operation (Dependent on request code)
 
| The second argument for the operation (Dependent on request code)
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
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|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to get properties from
 
| The Touch device to get properties from
 
|-
 
|-
−
! '''Properties'''
+
! Properties
 
| Pointer to a TTouchProperties structure to fill in
 
| Pointer to a TTouchProperties structure to fill in
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Replaced by TouchDeviceGetProperties for consistency
 
| Replaced by TouchDeviceGetProperties for consistency
 
|-
 
|-
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|-
 
|-
−
! '''Touch'''
+
! Touch
 
| The Touch device to get properties from
 
| The Touch device to get properties from
 
|-
 
|-
−
! '''Properties'''
+
! Properties
 
| Pointer to a TTouchProperties structure to fill in
 
| Pointer to a TTouchProperties structure to fill in
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
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|-
 
|-
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! '''Return'''
+
! Return
 
| Pointer to new Touch device entry or nil if Touch device could not be created
 
| Pointer to new Touch device entry or nil if Touch device could not be created
 
|-
 
|-
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|-
 
|-
−
! '''Size'''
+
! Size
 
| Size in bytes to allocate for new Touch device (Including the Touch device entry)
 
| Size in bytes to allocate for new Touch device (Including the Touch device entry)
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| Pointer to new Touch device entry or nil if Touch device could not be created
 
| Pointer to new Touch device entry or nil if Touch device could not be created
 
|-
 
|-
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|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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|-
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! '''Touch'''
+
! Touch
 
| The touch device to insert data for
 
| The touch device to insert data for
 
|-
 
|-
−
! '''Data'''
+
! Data
 
| The TTouchData entry to insert
 
| The TTouchData entry to insert
 
|-
 
|-
−
! '''Signal'''
+
! Signal
 
| If True then signal that new data is available in the buffer
 
| If True then signal that new data is available in the buffer
 
|-
 
|-
−
! '''Return'''
+
! Return
 
| ERROR_SUCCESS if completed or another error code on failure
 
| ERROR_SUCCESS if completed or another error code on failure
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Caller must hold the touch device lock
 
| Caller must hold the touch device lock
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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! Note
 
| None documented
 
| None documented
 
|-
 
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| None documented
 
| None documented
 
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| None documented
 
| None documented
 
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| None documented
 
| None documented
 
|-
 
|-

Revision as of 06:12, 20 April 2018

Return to Unit Reference


Description

Ultibo Touch interface unit

To be documented

Constants


[Expand]
Touch specific constants TOUCH_*


[Expand]
Touch device type TOUCH_TYPE_*


[Expand]
Touch device state TOUCH_STATE_*


[Expand]
Touch device flag TOUCH_FLAG_*


[Expand]
Touch device control code TOUCH_CONTROL_*


[Expand]
Touch buffer size TOUCH_BUFFER_*


[Expand]
Touch data definitions TOUCH_FINGER*, TOUCH_ID_*


[Expand]
Touch rotation TOUCH_ROTATION_*


[Expand]
Touch logging TOUCH_LOG_*


Type definitions


Touch data

[Expand]

PTouchData = ^TTouchData;

TTouchData = record

Touch buffer

[Expand]

PTouchBuffer = ^TTouchBuffer;

TTouchBuffer = record

Touch properties

[Expand]

PTouchProperties = ^TTouchProperties;

TTouchProperties = record

Touch enumeration callback

TTouchEnumerate = function(Touch:PTouchDevice; Data:Pointer):LongWord;

Touch notification callback

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

Touch device start

TTouchDeviceStart = function(Touch:PTouchDevice):LongWord;

Touch device stop

TTouchDeviceStop = function(Touch:PTouchDevice):LongWord;

Touch device peek

TTouchDevicePeek = function(Touch:PTouchDevice):LongWord;

Touch device read

TTouchDeviceRead = function(Touch:PTouchDevice; Buffer:Pointer; Size,Flags:LongWord; var Count:LongWord):LongWord;

Touch device write

TTouchDeviceWrite = function(Touch:PTouchDevice; Buffer:Pointer; Size,Count:LongWord):LongWord;

Touch device flush

TTouchDeviceFlush = function(Touch:PTouchDevice):LongWord;

Touch device control

TTouchDeviceControl = function(Touch:PTouchDevice; Request:Integer; Argument1:LongWord; var Argument2:LongWord):LongWord;

Touch device get properties

TTouchDeviceGetProperties = function(Touch:PTouchDevice; Properties:PTouchProperties):LongWord;

Touch device

[Expand]

PTouchDevice = ^TTouchDevice;

TTouchDevice = record


Public variables


Touch logging

TOUCH_DEFAULT_LOG_LEVEL:LongWord = TOUCH_LOG_LEVEL_DEBUG; Minimum level for Touch messages. Only messages with level greater than or equal to this will be printed.
TOUCH_LOG_ENABLED:Boolean;


Function declarations


Initialization functions

[Expand] 
procedure TouchInit;
Description: Initialize the Touch unit and Touch device table


Touch functions

[Expand] 
function TouchDeviceStart(Touch:PTouchDevice):LongWord;
Description: Start the specified Touch device ready for receiving events


[Expand] 
function TouchDeviceStop(Touch:PTouchDevice):LongWord;
Description: Stop the specified Touch device and terminate receiving events


[Expand] 
function TouchDevicePeek(Touch:PTouchDevice):LongWord;
Description: Peek at the buffer of the specified touch device to see if any data packets are ready


[Expand] 
function TouchDeviceRead(Touch:PTouchDevice; Buffer:Pointer; Size,Flags:LongWord; var Count:LongWord):LongWord;
Description: Read touch data packets from the buffer of the specified touch device


[Expand] 
function TouchDeviceWrite(Touch:PTouchDevice; Buffer:Pointer; Size,Count:LongWord):LongWord;
Description: Write touch data packets to the buffer of the specified touch device


[Expand] 
function TouchDeviceFlush(Touch:PTouchDevice):LongWord;
Description: Flush the contents of the buffer of the specified touch device


[Expand] 
function TouchDeviceControl(Touch:PTouchDevice; Request:Integer; Argument1:LongWord; var Argument2:LongWord):LongWord;
Description: Perform a control request on the specified touch device


[Expand] 
function TouchDeviceProperties(Touch:PTouchDevice; Properties:PTouchProperties):LongWord; inline;
Description: Get the properties for the specified Touch device


[Expand] 
function TouchDeviceGetProperties(Touch:PTouchDevice;Properties:PTouchProperties):LongWord;
Description: Get the properties for the specified Touch device


[Expand] 
function TouchDeviceCreate:PTouchDevice;
Description: Create a new Touch device entry


[Expand] 
function TouchDeviceCreateEx(Size:LongWord):PTouchDevice;
Description: Create a new Touch device entry


[Expand] 
function TouchDeviceDestroy(Touch:PTouchDevice):LongWord;
Description: Destroy an existing Touch device entry


[Expand] 
function TouchDeviceRegister(Touch:PTouchDevice):LongWord;
Description: Register a new Touch device in the Touch device table


[Expand] 
function TouchDeviceDeregister(Touch:PTouchDevice):LongWord;
Description: Deregister an Touch device from the Touch device table


[Expand] 
function TouchDeviceFind(TouchId:LongWord):PTouchDevice;
Description: To be documented


[Expand] 
function TouchDeviceFindByName(const Name:String):PTouchDevice; inline;
Description: To be documented


[Expand] 
function TouchDeviceFindByDescription(const Description:String):PTouchDevice; inline;
Description: To be documented


[Expand] 
function TouchDeviceEnumerate(Callback:TTouchEnumerate; Data:Pointer):LongWord;
Description: To be documented


[Expand] 
function TouchDeviceNotification(Touch:PTouchDevice; Callback:TTouchNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented


Touch helper functions

[Expand] 
function TouchGetCount:LongWord; inline;
Description: Get the current Touch device count


[Expand] 
function TouchDeviceGetDefault:PTouchDevice; inline;
Description: Get the current default Touch device


[Expand] 
function TouchDeviceSetDefault(Touch:PTouchDevice):LongWord;
Description: Set the current default Touch device


[Expand] 
function TouchDeviceCheck(Touch:PTouchDevice):PTouchDevice;
Description: Check if the supplied Touch device is in the Touch device table


[Expand] 
function TouchInsertData(Touch:PTouchDevice; Data:PTouchData; Signal:Boolean):LongWord;
Description: Insert a TTouchData entry into the touch device buffer


[Expand] 
procedure TouchLog(Level:LongWord; Touch:PTouchDevice; const AText:String);
Description: To be documented


[Expand] 
procedure TouchLogInfo(Touch:PTouchDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure TouchLogWarn(Touch:PTouchDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure TouchLogError(Touch:PTouchDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure TouchLogDebug(Touch:PTouchDevice; const AText:String); inline;
Description: To be documented


Return to Unit Reference

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