Package gda.device

Interface Adc

All Superinterfaces:

Configurable, Device, Findable, gda.observable.IObservable

All Known Implementing Classes:

DummyAdc, EpicsADC

public interface Adc
extends Device

Interface to control ADCs, for example EpicsADC.

Method Summary

Modifier and Type	Method	Description
int	getRange(int channel)	Get the current voltage Range for the specified channel.
int[]	getRanges()	Get the supported ranges for a particular ADC.
double	getVoltage(int channel)	Get the current voltage for the specified channel.
double[]	getVoltages()	Get the current voltage from all open channels.
boolean	isUniPolarSettable()	Get the polarity capability of the ADC.
void	setRange(int channel, int range)	Set the voltage Range for the specified channel.
void	setSampleCount(int count)	Set the sample count for the ADC monitoring.
void	setUniPolar(int channel, boolean polarity)	Set the unipolar or bipolar mode for a specified channel.

Methods inherited from interface gda.factory.Configurable

configure, isConfigureAtStartup, isConfigured, reconfigure

Methods inherited from interface gda.device.Device

close, getAttribute, getProtectionLevel, setAttribute, setProtectionLevel

Methods inherited from interface gda.factory.Findable

getName, setName

Methods inherited from interface gda.observable.IObservable

addIObserver, deleteIObserver, deleteIObservers

Method Details

getVoltage

double getVoltage(int channel)
           throws DeviceException

Get the current voltage for the specified channel.

Parameters:

channel - the ADC channel to read

Returns:

the current voltage (units are implementation specific)

Throws:

DeviceException

getVoltages

double[] getVoltages()
              throws DeviceException

Get the current voltage from all open channels.

Returns:

the current voltages (units are implementation specific)

Throws:

DeviceException

setRange

void setRange(int channel,
 int range)
       throws DeviceException

Set the voltage Range for the specified channel.

Parameters:

channel - the ADC channel to set

range - the range to set (units are implementation specific)

Throws:

DeviceException

See Also:

• getRange(int)

getRange

int getRange(int channel)
      throws DeviceException

Get the current voltage Range for the specified channel.

Parameters:

channel - the ADC channel to get

Returns:

the range (units are implementation specific)

Throws:

DeviceException

See Also:

• setRange(int, int)

setUniPolar

void setUniPolar(int channel,
 boolean polarity)
          throws DeviceException

Set the unipolar or bipolar mode for a specified channel.

Parameters:

channel - the ADC channel to set

polarity - unipolar mode either true or false

Throws:

DeviceException

See Also:

• isUniPolarSettable()

getRanges

int[] getRanges()
         throws DeviceException

Get the supported ranges for a particular ADC.

Returns:

the supported voltage ranges (units are implementation specific)

Throws:

DeviceException

isUniPolarSettable

boolean isUniPolarSettable()
                    throws DeviceException

Get the polarity capability of the ADC.

Returns:

true if UNIPOLAR is supported else assume BIPOLAR

Throws:

DeviceException

setSampleCount

void setSampleCount(int count)
             throws DeviceException

Set the sample count for the ADC monitoring.

Parameters:

count - the number of samples to read

Throws:

DeviceException