HidUtils Namespace Reference

Various utility functions used in HID. More...

Classes
class	InputState
	Held input belongs to a report instance and is retired with that instance. More...

Functions
uint64_t	getBufferField (uint8_t *pBuffer, size_t nStart, size_t nLength)
	Retrieves a field in a buffer.
void	fixNegativeMinimum (int64_t &nMin, int64_t nMax)
	Converts.
void	fixNegativeValue (int64_t nMin, int64_t nMax, int64_t &nValue)
	Converts.
void	sendInputToManager (HidDeviceType deviceType, uint16_t nUsagePage, uint16_t nUsage, int64_t nRelativeValue, InputState &state)
	Sends the input to the right handler in HidInputManager or InputManager.

Detailed Description

Various utility functions used in HID.

Function Documentation

fixNegativeMinimum()

void HidUtils::fixNegativeMinimum	(	int64_t &	nMin,
		int64_t	nMax
	)

Converts.

Parameters

nMin	to a negative value, if it has the signed bit set

Definition at line 74 of file HidUtils.cc.

Referenced by HidReport::parseDescriptor().

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fixNegativeValue()

void HidUtils::fixNegativeValue	(	int64_t	nMin,
		int64_t	nMax,
		int64_t &	nValue
	)

Converts.

Parameters

nValue

to a negative value, if it has the signed bit set

Definition at line 90 of file HidUtils.cc.

getBufferField()

uint64_t HidUtils::getBufferField	(	uint8_t *	pBuffer,
		size_t	nStart,
		size_t	nLength
	)

Retrieves a field in a buffer.

Definition at line 65 of file HidUtils.cc.

Referenced by HidReport::InputBlock::feedInput().

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sendInputToManager()

void HidUtils::sendInputToManager	(	HidDeviceType	deviceType,
		uint16_t	nUsagePage,
		uint16_t	nUsage,
		int64_t	nRelativeValue,
		InputState &	state
	)

Sends the input to the right handler in HidInputManager or InputManager.

Definition at line 108 of file HidUtils.cc.

References HidInputManager::instance(), InputManager::instance(), InputManager::joystickUpdate(), HidInputManager::keyDown(), HidInputManager::keyUp(), and InputManager::mouseUpdate().

Referenced by HidReport::InputBlock::feedInput().

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