com.sun.spot.peripheral
Class AbstractAT91_PIO

java.lang.Object
  com.sun.spot.peripheral.AbstractAT91_PIO

All Implemented Interfaces:

IAT91_PIO

Direct Known Subclasses:

ProxyAT91_PIO

public abstract class AbstractAT91_PIO
extends Object
implements IAT91_PIO

AbstractAT91_PIO

See Also:

IAT91_PIO

Field Summary

protected Address	baseAddress
protected static int	PIO_CODR
protected static int	PIO_IFDR
protected static int	PIO_IFER
protected static int	PIO_ODR
protected static int	PIO_OER
protected static int	PIO_PDSR
protected static int	PIO_SODR
protected int	pioSelector

Fields inherited from interface com.sun.spot.peripheral.IAT91_PIO

CLEAR_OUT, INPUT, OUTPUT, PIOA, PIOB, PIOC, PIOD, SENSE_BIT, SET_OUT

Constructor Summary

protected

AbstractAT91_PIO(int pioSelector)

Method Summary

abstract int	available() Return the mask of available pins.
protected abstract void	checkOwned(int mask)
void	claim(int mask, int drive) Lay claim to certain PIO pins
abstract void	claim(int mask, int drive, boolean claimForPeriphA) Lay claim to certain PIO pins.
void	disableGlitchFilter(int mask) Disable glitch filters for the specified pin(s)
abstract void	disableIrq(int irq) Disable PIO interrupts for the specified pin
void	enableGlitchFilter(int mask) Enable glitch filters for the specified pin(s)
abstract void	enableIrq(int mask) Enable PIO interrupts for the specified pin
int	getBaseAddress() Get the base address of this PIO
String	getDriverName()
void	open(int mask, int config) Configure the direction of selected pins.
int	read() Read the instantaneous state of the pio pins
abstract void	release(int mask) Release claim to certain PIO pins
abstract void	waitForIrq(int irq) Wait for the specified PIO pin to generate an interrupt.
void	write(int mask, int state) Set the state of selected output pins

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PIO_OER

protected static final int PIO_OER

See Also:

Constant Field Values

PIO_ODR

protected static final int PIO_ODR

See Also:

Constant Field Values

PIO_IFER

protected static final int PIO_IFER

See Also:

Constant Field Values

PIO_IFDR

protected static final int PIO_IFDR

See Also:

Constant Field Values

PIO_SODR

protected static final int PIO_SODR

See Also:

Constant Field Values

PIO_CODR

protected static final int PIO_CODR

See Also:

Constant Field Values

PIO_PDSR

protected static final int PIO_PDSR

See Also:

Constant Field Values

baseAddress

protected Address baseAddress

pioSelector

protected int pioSelector

Constructor Detail

AbstractAT91_PIO

protected AbstractAT91_PIO(int pioSelector)

Method Detail

write

public void write(int mask,
                  int state)

Description copied from interface: IAT91_PIO

Set the state of selected output pins

Specified by:

write in interface IAT91_PIO

Parameters:

mask -

state -

open

public void open(int mask,
                 int config)

Description copied from interface: IAT91_PIO

Configure the direction of selected pins.

Specified by:

open in interface IAT91_PIO

Parameters:

mask -

config -

read

public int read()

Description copied from interface: IAT91_PIO

Read the instantaneous state of the pio pins

Specified by:

read in interface IAT91_PIO

Returns:

The current state as a 32 bit mask

getBaseAddress

public int getBaseAddress()

Description copied from interface: IAT91_PIO

Get the base address of this PIO

Specified by:

getBaseAddress in interface IAT91_PIO

Returns:

the base address

enableGlitchFilter

public void enableGlitchFilter(int mask)

Description copied from interface: IAT91_PIO

Enable glitch filters for the specified pin(s)

Specified by:

enableGlitchFilter in interface IAT91_PIO

Parameters:

mask - the pio pin mask

disableGlitchFilter

public void disableGlitchFilter(int mask)

Description copied from interface: IAT91_PIO

Disable glitch filters for the specified pin(s)

Specified by:

disableGlitchFilter in interface IAT91_PIO

Parameters:

mask - the pio pin mask

claim

public void claim(int mask,
                  int drive)

Lay claim to certain PIO pins

Specified by:

claim in interface IAT91_PIO

Parameters:

mask - - claimed pins

drive - - bits set to 1 for pins to be controlled by PIO. Bits set to 0 default to peripheral A.

getDriverName

public String getDriverName()

Specified by:

getDriverName in interface IAT91_PIO

Returns:

the name of this PIO

available

public abstract int available()

Description copied from interface: IAT91_PIO

Return the mask of available pins. An available pin can be claimed.

Specified by:

available in interface IAT91_PIO

Returns:

mask

claim

public abstract void claim(int mask,
                           int drive,
                           boolean claimForPeriphA)

Description copied from interface: IAT91_PIO

Lay claim to certain PIO pins.

Specified by:

claim in interface IAT91_PIO

Parameters:

mask - claimed pins

drive - bits set to 1 for pins to be controlled by PIO

claimForPeriphA - if true assign undriven pins to peripheral A; if false to peripheral B

release

public abstract void release(int mask)

Description copied from interface: IAT91_PIO

Release claim to certain PIO pins

Specified by:

release in interface IAT91_PIO

Parameters:

mask - released pins

disableIrq

public abstract void disableIrq(int irq)

Description copied from interface: IAT91_PIO

Disable PIO interrupts for the specified pin

Specified by:

disableIrq in interface IAT91_PIO

Parameters:

irq - A mask with a single bit set indicating the interrupt

enableIrq

public abstract void enableIrq(int mask)

Description copied from interface: IAT91_PIO

Enable PIO interrupts for the specified pin

Specified by:

enableIrq in interface IAT91_PIO

Parameters:

mask - the pio pin mask

waitForIrq

public abstract void waitForIrq(int irq)
                         throws InterruptedException

Description copied from interface: IAT91_PIO

Wait for the specified PIO pin to generate an interrupt. On exit, the pin is masked so that it will not generate another interrupt.

Specified by:

waitForIrq in interface IAT91_PIO

Parameters:

irq - A mask with a single bit set indicating the interrupt awaited

Throws:

InterruptedException

checkOwned

protected abstract void checkOwned(int mask)