Direct digital synthesis channel. More...

#include <DDS_Channel.h>

Inheritance diagram for DDS_Channel:

Public Member Functions
	DDS_Channel (uint8_t ddsChannelNumber, float minFreq, float maxFreq, float minAmpl, float maxAmpl, float minOffset, float maxOffset)
	Constructor of the DDS_Channel.

void	UpdateIncrement ()
	Update the increment value based on the Frequency.

void	UpdateWaveTable ()
	Update the WaveTable based on the SignalForm, Amplitude and Offset.

void	UpdateOriginalWaveTable ()
	Update the pointer to the original WaveTable based on the SignalForm.

bool	SetEnabled (bool enabled)
	Set the Enabled property of the DDS channel.

bool	GetEnabled ()
	Get the Enabled property of the DDS channel.

bool	SetFrequency (float frequency)
	Set the Frequency property of the DDS channel.

float	GetFrequency ()
	Get the Frequency property of the DDS channel.

bool	SetAmplitude (float amplitude)
	Set the Amplitude property of the DDS channel.

float	GetAmplitude ()
	Get the Amplitude property of the DDS channel.

bool	SetOffset (float offset)
	Set the Offset property of the DDS channel.

float	GetOffset ()
	Get the Offset property of the DDS channel.

bool	SetSignalForm (SignalForms_t signalForm)
	Set the SignalForm property of the DDS channel.

SignalForms_t	GetSignalForm ()
	Get the SignalForm property of the DDS channel.

bool	SetPWMValue (float pwmValue)
	Set the PWM_Value property of the DDS channel.

float	GetPWMValue ()
	Get the PWM_Value property of the DDS channel.

Public Member Functions inherited from Channel
	Channel (ChannelTypes_t channelType)
	Constructor of the Channel class.

ChannelTypes_t	GetChannelType ()
	Function that can be used to return the _channelType property.

Static Public Member Functions
static void	DDSFrequencyChanged (void *channel)
	Callback function that can be used for user interface controls modifying the Frequency property.

static void	DDSAmplitudeChanged (void *channel)
	Callback function that can be used for user interface controls modifying the Amplitude property.

static void	DDSOffsetChanged (void *channel)
	Callback function that can be used for user interface controls modifying the Offset property.

static void	DDSSignalFormChanged (void *channel)
	Callback function that can be used for user interface controls modifying the SignalForm property.

static void	DDSPWMValueChanged (void *channel)
	Callback function that can be used for user interface controls modifying the PWM_Value property.

static void	DDSEnabledChanged (void *channel)
	Callback function that can be used for user interface controls modifying the Enabled property.

Public Attributes
uint8_t	DdsChannelNumber
	1-based channel number (DDS1 => 1, DDS2 => 2)

Parameter< bool >	Enabled
	Is the channel enabled or not.

Parameter< float >	Frequency
	Frequency of the DDS channel.

Parameter< float >	Amplitude
	Amplitude of the DDS channel.

Parameter< float >	Offset
	Offset of the DDS channel.

Parameter< SignalForms_t >	SignalForm
	Signalform of the DDS channel.

Parameter< float >	PWM_Value
	PWM value of the DDS channel.

volatile const uint16_t *	OriginalWaveTable
	Pointer to the constant wave table holding the unmodified points of the signal determined by the SignalForm parameter.

volatile uint16_t *	p_WaveTable
	Pointer to the wave table array holding the modified waveform points (adapted to waveform and offset)

volatile uint32_t *	p_Increment
	Pointer to the increment variable (calculated from the Frequency setting)

Additional Inherited Members
Protected Attributes inherited from Channel
ChannelTypes_t	_channelType
	Type of the channel.

Detailed Description

Direct digital synthesis channel.

This is a channel holding all parameters of a DDS implementation.

Constructor & Destructor Documentation

◆ DDS_Channel()

DDS_Channel::DDS_Channel	(	uint8_t	ddsChannelNumber,
		float	minFreq,
		float	maxFreq,
		float	minAmpl,
		float	maxAmpl,
		float	minOffset,
		float	maxOffset )

Constructor of the DDS_Channel.

Parameters

ddsChannelNumber	1-based channel number (DDS1 => 1, DDS2 => 2)
minFreq	Minimum allowed frequency for the DDS channel
maxFreq	Maximum allowed frequency for the DDS channel
minAmpl	Minimum allowed amplitude for the DDS channel
maxAmpl	Maximum allowed amplitude for the DDS channel
minOffset	Minimum allowed offset for the DDS channel
maxOffset	Maximum allowed offset for the DDS channel

Member Function Documentation

◆ DDSAmplitudeChanged()

void DDS_Channel::DDSAmplitudeChanged ( void * channel )

static

Callback function that can be used for user interface controls modifying the Amplitude property.

Parameters