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Monitor::Utility::SpeakerNote Class Reference

Implementation using PC speaker to produce sound for a single note. More...

#include <spkrnote.h>

Inheritance diagram for Monitor::Utility::SpeakerNote:

List of all members.

Public Types
typedef int	Frequency
typedef int	Length
Public Methods
	SpeakerNote (Frequency newFrequency, Length newLength)
	Constructor. More...
virtual	~SpeakerNote ()
	Destructor. More...
virtual void	sound () const throw (Note::Busy)
	Sound once. More...
Frequency	getFrequency () const
void	setFrequency (Frequency newFrequency)
Length	getLength () const
void	setLength (Length newLength)
Private Methods
void	endSound () const
	Stop sounding note. More...
Private Attributes
Frequency	frequency
	Frequency of note in hertz. More...
Length	length
	Length of note in milliseconds. More...
Static Private Attributes
int	busy = 0
	Class variable used to indicate PC speaker is in use, cannot be used concurrently by more than one Note instance. More...

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Detailed Description

Implementation using PC speaker to produce sound for a single note.

Definition at line 49 of file spkrnote.h.

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Member Typedef Documentation

typedef int Monitor::Utility::SpeakerNote::Frequency

Definition at line 52 of file spkrnote.h.

typedef int Monitor::Utility::SpeakerNote::Length

Definition at line 53 of file spkrnote.h.

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Constructor & Destructor Documentation

SpeakerNote::SpeakerNote (  Frequency    newFrequency, Length    newLength )

Constructor. Parameters: newFrequency  Frequency of note in hertz. newLength  Length of note in milliseconds. Definition at line 53 of file spkrnote.cpp. References _USEMYTRACE_.

SpeakerNote::~SpeakerNote (    )  [virtual]

Destructor. Definition at line 61 of file spkrnote.cpp. References _USEMYTRACE_.

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Member Function Documentation

void SpeakerNote::endSound (    )  const [private]

Stop sounding note. Definition at line 96 of file spkrnote.cpp. References _USEMYTRACE_, and busy.

SpeakerNote::Frequency SpeakerNote::getFrequency (    )  const

Returns: Frequency of note in hertz. Definition at line 109 of file spkrnote.cpp. References _USEMYTRACE_, and frequency.

SpeakerNote::Length SpeakerNote::getLength (    )  const

Returns: Length of note in milliseconds. Definition at line 129 of file spkrnote.cpp. References _USEMYTRACE_, and length.

void SpeakerNote::setFrequency (  Frequency    newFrequency )

Parameters: newFrequency  Frequency of note in hertz. Definition at line 119 of file spkrnote.cpp. References _USEMYTRACE_, and frequency.

void SpeakerNote::setLength (  Length    newLength )

Parameters: newLength  Length of note in milliseconds. Definition at line 139 of file spkrnote.cpp. References _USEMYTRACE_, and length.

void SpeakerNote::sound (    )  const throw (Note::Busy) [virtual]

Sound once. Exceptions: Note::Busy  Unable to sound. Implements Monitor::Utility::Note. Definition at line 69 of file spkrnote.cpp. References _USEMYTRACE_.

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Member Data Documentation

int SpeakerNote::busy = 0 [static, private]

Class variable used to indicate PC speaker is in use, cannot be used concurrently by more than one Note instance. Definition at line 50 of file spkrnote.cpp. Referenced by endSound.

Frequency Monitor::Utility::SpeakerNote::frequency [private]

Frequency of note in hertz. Definition at line 118 of file spkrnote.h. Referenced by getFrequency, and setFrequency.

Length Monitor::Utility::SpeakerNote::length [private]

Length of note in milliseconds. Definition at line 123 of file spkrnote.h. Referenced by getLength, and setLength.

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