This structure represents the base class of all protocol definitions. More...

#include <Protocol.h>

Collaboration diagram for Protocol:

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Public Attributes
Protocol *	Base
	The immediate base class of this Protocol class.

Connection *	Connection

uint64_t	ResponseSerialNumber

uint64_t	NotificationSerialNumber

void(*	Destructor )(Protocol *self)
	The destructor for this class.

void(*	DestroyPrivateDeviceData )(Protocol self, void privateDeviceData)

zForce *	zForce
	A pointer to the global zForce instance.

bool(*	Connect )(Protocol *self)
	Perform protocol specific processing upon connection. More...

bool(*	Disconnect )(Protocol *self)
	Perform protocol specific processing upon disconnection. More...

bool(*	DecodeDataFrame )(Protocol self, DataFrame dataFrame)
	Give a data frame to Protocol for processing. More...

DataFrame (	CreateResolutionRequest )(Protocol self, Device device, MessageAction action, uint32_t x, bool hasX, uint32_t y, bool hasY, uint32_t z, bool hasZ)
	Create a Resolution request. More...

DataFrame (	CreateTouchActiveAreaRequest )(Protocol self, Device device, MessageAction action, uint32_t lowerBoundaryX, uint32_t upperBoundaryX, bool xIsValid, bool xIsReversed, uint32_t lowerBoundaryY, uint32_t upperBoundaryY, bool yIsValid, bool yIsReversed)
	Create a TouchActiveArea request. More...

DataFrame (	CreateEnableRequest )(Protocol self, Device device, MessageAction action, bool continuousMode, uint32_t numberOfMessages)
	Create an Enable request. More...

DataFrame (	CreateOperationModesRequest )(Protocol self, Device device, MessageAction action, OperationModes modeMask, OperationModes modeValues)
	Create an OperationModes request. More...

DataFrame (	CreateDisableRequest )(Protocol self, Device device, MessageAction action)
	Create a Disable request. More...

DataFrame (	CreateFingerFrequencyRequest )(Protocol self, Device device, MessageAction action, uint32_t frequency)
	Create a FingerFrequency request. More...

DataFrame (	CreateIdleFrequencyRequest )(Protocol self, Device device, MessageAction action, uint32_t frequency)
	Create an IdleFrequency request. More...

DataFrame (	CreateDetectedObjectSizeRestrictionRequest )(Protocol self, Device device, MessageAction action, bool maximumSizeEnabled, uint32_t maximumSize, bool minimumSizeEnabled, uint32_t minimumSize)
	Create a DetectedObjectSizeRestriction request. More...

DataFrame (	CreateNumberOfTrackedObjectsRequest )(Protocol self, Device device, MessageAction action, uint32_t numberOfTrackedObjects)
	Create a NumberOfTrackedObjects request. More...

Detailed Description

This structure represents the base class of all protocol definitions.

This structure represents the base class of all protocol definitions. The data and functions contained within the structure's fields are the essentials which are common to all such definitions.

Member Data Documentation

bool( * Protocol::Connect) (Protocol *self)

Perform protocol specific processing upon connection.

Parameters

self	Pointer to the struct itself.

Returns: true upon success. Otherwise false which indicates failure and the errno variable should be inspected for the reason why.

Connection* Protocol::Connection

Each Protocol is linked to one connection.

DataFrame*( * Protocol::CreateDetectedObjectSizeRestrictionRequest) (Protocol *self, Device *device, MessageAction action, bool maximumSizeEnabled, uint32_t maximumSize, bool minimumSizeEnabled, uint32_t minimumSize)

Create a DetectedObjectSizeRestriction request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.
maximumSizeEnabled	Maximum size enabling flag.
maximumSize	The maximum object size for detection.
minimumSizeEnabled	Minimum size enabling flag.
minimumSize	The minimum object size for detection.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

DataFrame*( * Protocol::CreateDisableRequest) (Protocol *self, Device *device, MessageAction action)

Create a Disable request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

DataFrame*( * Protocol::CreateEnableRequest) (Protocol *self, Device *device, MessageAction action, bool continuousMode, uint32_t numberOfMessages)

Create an Enable request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.
continuousMode	Set to true for continuous mode.
numberOfMessages	When in non-continuous mode, specifies how many Messages to receive before the Device disables itself. May not be 0 when continuousMode == false.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

DataFrame*( * Protocol::CreateFingerFrequencyRequest) (Protocol *self, Device *device, MessageAction action, uint32_t frequency)

Create a FingerFrequency request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.
frequency	The value to set if this is a set action.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

DataFrame*( * Protocol::CreateIdleFrequencyRequest) (Protocol *self, Device *device, MessageAction action, uint32_t frequency)

Create an IdleFrequency request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.
frequency	The value to set if this is a set action.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

DataFrame*( * Protocol::CreateNumberOfTrackedObjectsRequest) (Protocol *self, Device *device, MessageAction action, uint32_t numberOfTrackedObjects)

Create a NumberOfTrackedObjects request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.
numberOfTrackedObjects	Tracked object count.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

DataFrame*( * Protocol::CreateOperationModesRequest) (Protocol *self, Device *device, MessageAction action, OperationModes modeMask, OperationModes modeValues)

Create an OperationModes request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.
modeMask	Indication of which modes have values in this call.
modeValues	Optional values for modes. See the modeMask argument.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

DataFrame*( * Protocol::CreateResolutionRequest) (Protocol *self, Device *device, MessageAction action, uint32_t x, bool hasX, uint32_t y, bool hasY, uint32_t z, bool hasZ)

Create a Resolution request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.
x	X axis value if this is a set action.
hasX	X axis value present flag if this is a set action.
y	Y axis value if this is a set action.
hasY	Y axis value present flag if this is a set action.
z	Z axis value if this is a set action.
hasZ	Z axis value present flag if this is a set action.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

DataFrame*( * Protocol::CreateTouchActiveAreaRequest) (Protocol *self, Device *device, MessageAction action, uint32_t lowerBoundaryX, uint32_t upperBoundaryX, bool xIsValid, bool xIsReversed, uint32_t lowerBoundaryY, uint32_t upperBoundaryY, bool yIsValid, bool yIsReversed)

Create a TouchActiveArea request.

On error, errno is set.

ENOTSUPPORTED - Operation not supported.
EPROTOCOLERROR - Generic protocol error.
EOUTOFMEMORY - Could not dynamically allocate memory.

Parameters

self	Pointer to the struct itself.
device	Pointer to the Device from which the request originated.
action	Indication of what type of action this message refers to.
lowerBoundaryX	X axis value of lower boundary.
lowerBoundaryY	Y axis value of lower boundary.
upperBoundaryX	X axis value of upper boundary.
upperBoundaryY	Y axis value of upper boundary.
reverseX	X axis direction reversal flag.
reverseY	Y axis direction reversal flag.

Returns: Pointer to data frame if it it worked, NULL if it didn't. See errno.

bool( * Protocol::DecodeDataFrame) (Protocol *self, DataFrame *dataFrame)

Give a data frame to Protocol for processing.

Parameters

self	Pointer to the struct itself.
dataFrame	DataFrame pointer.

Returns: true if the data frame has been decoded. Otherwise false which indicates failure and the errno variable should be inspected for the reason why.

void( * Protocol::DestroyPrivateDeviceData) (Protocol *self, void *privateDeviceData)

Protocol Specific method to destroy any potential Protocol Specific Data stored in a Device;

bool( * Protocol::Disconnect) (Protocol *self)

Perform protocol specific processing upon disconnection.

Parameters

self	Pointer to the struct itself.

Returns: true upon success. Otherwise false which indicates failure and the errno variable should be inspected for the reason why.

uint64_t Protocol::NotificationSerialNumber

A counter used for giving notifications a unique serial number. Serial numbers start at 1 and strictly increase with each notification.

uint64_t Protocol::ResponseSerialNumber

A counter used for giving responses a unique serial number. Serial numbers start at 1 and strictly increase with each response.

The documentation for this struct was generated from the following file:

Protocol.h

Public Attributes

Detailed Description

Member Data Documentation