Package com.diozero.devices

Class PiconZero

java.lang.Object

com.diozero.internal.spi.AbstractDeviceFactory

com.diozero.devices.PiconZero

All Implemented Interfaces:

AnalogInputDeviceFactoryInterface, AnalogOutputDeviceFactoryInterface, DeviceFactoryInterface, GpioDeviceFactoryInterface, PwmOutputDeviceFactoryInterface, Closeable, AutoCloseable

public class PiconZero
extends AbstractDeviceFactory
implements GpioDeviceFactoryInterface, PwmOutputDeviceFactoryInterface, AnalogInputDeviceFactoryInterface, AnalogOutputDeviceFactoryInterface

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PiconZero.InputConfig
static class	PiconZero.OutputConfig
static class	PiconZero.PiconZeroAnalogInputDevice
static class	PiconZero.PiconZeroAnalogOutputDevice
static class	PiconZero.PiconZeroBoardPinInfo
static class	PiconZero.PiconZeroDigitalInputDevice
static class	PiconZero.PiconZeroDigitalOutputDevice
static class	PiconZero.PiconZeroPwmOutputDevice

Field Summary

Fields

Modifier and Type	Field	Description
static int	ALL_PIXELS
static float	MAX_ANALOG_INPUT_VALUE
static int	MAX_MOTOR_VALUE
static int	MAX_OUTPUT_VALUE
static int	MIN_MOTOR_VALUE
static int	NUM_INPUT_CHANNELS
static int	NUM_MOTORS
static int	NUM_OUTPUT_CHANNELS
static int	SERVO_CENTRE

Fields inherited from class com.diozero.internal.spi.AbstractDeviceFactory

closed, deviceStates

Constructor Summary

Constructors

Constructor	Description
PiconZero()
PiconZero(int controller, int address)

Method Summary

Modifier and Type	Method	Description
void	close()	Close this device factory including all devices that have been provisioned by it.
void	closeChannel(int channel)
AnalogInputDeviceInterface	createAnalogInputDevice(String key, PinInfo pinInfo)
AnalogOutputDeviceInterface	createAnalogOutputDevice(String key, PinInfo pinInfo, float initialValue)
GpioDigitalInputDeviceInterface	createDigitalInputDevice(String key, PinInfo pinInfo, GpioPullUpDown pud, GpioEventTrigger trigger)
GpioDigitalInputOutputDeviceInterface	createDigitalInputOutputDevice(String key, PinInfo pinInfo, DeviceMode mode)
GpioDigitalOutputDeviceInterface	createDigitalOutputDevice(String key, PinInfo pinInfo, boolean initialValue)
PwmOutputDeviceInterface	createPwmOutputDevice(String key, PinInfo pinInfo, int pwmFrequency, float initialValue)
BoardPinInfo	getBoardPinInfo()	Get information about pins that can be provisioned by this device factory.
int	getBoardPwmFrequency()
int	getInputValue(int channel)	Read input value in PiconZero range
float	getMotor(int motor)	Get motor output value (normalised to range -1..1)
int	getMotorValue(int motor)	Get the current motor speed (PiconZero range -128..127)
String	getName()	Get the name of this device factory
byte[]	getRevision()	Get the board revision details
float	getValue(int channel)	Read input value in normalised range (0..1)
float	getVRef()
AnalogInputDeviceInterface	provisionAnalogInputDevice(int gpio)
void	reset()	Reset the board.
void	setAllPixels(int red, int green, int blue, boolean update)	Sets all pixels with the selected red, green and blue values (0 to 255) [Available from firmware revision 07]
void	setBoardPwmFrequency(int pwmFrequency)
void	setBrightness(int brightness)
void	setInputConfig(int channel, PiconZero.InputConfig config)	Set configuration of selected input channel
void	setMotor(int motor, float speed)	Set motor output value (normalised to range -1..1)
void	setMotorValue(int motor, int speed)	Set motor output value (PiconZero range -128..127)
void	setOutputConfig(int channel, PiconZero.OutputConfig config)	Set configuration of selected output
void	setOutputValue(int channel, int value)	Set output data for selected output channel in PiconZero range.
void	setPixel(int pixel, int red, int green, int blue, boolean update)	Set the colour of an individual pixel (always output channel 5)
void	setValue(int channel, boolean value)
void	setValue(int channel, float value)	Set output value for the specified channel (normalised).
void	updatePixels()

Methods inherited from class com.diozero.internal.spi.AbstractDeviceFactory

createI2CKey, createPinKey, createSerialKey, createSpiKey, deviceClosed, deviceOpened, getDevice, isClosed, isDeviceOpened, reopen

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.diozero.internal.spi.AnalogOutputDeviceFactoryInterface

provisionAnalogOutputDevice

Methods inherited from interface com.diozero.internal.spi.DeviceFactoryInterface

createI2CKey, createPinKey, createSerialKey, createSpiKey, deviceClosed, deviceOpened, getDevice, isClosed, isDeviceOpened, reopen, start

Methods inherited from interface com.diozero.internal.spi.GpioDeviceFactoryInterface

provisionDigitalInputDevice, provisionDigitalInputOutputDevice, provisionDigitalOutputDevice

Methods inherited from interface com.diozero.internal.spi.PwmOutputDeviceFactoryInterface

provisionPwmOutputDevice

Field Details

ALL_PIXELS

public static final int ALL_PIXELS

See Also:

Constant Field Values

MAX_OUTPUT_VALUE

public static final int MAX_OUTPUT_VALUE

See Also:

Constant Field Values

NUM_MOTORS

public static final int NUM_MOTORS

See Also:

Constant Field Values

NUM_INPUT_CHANNELS

public static final int NUM_INPUT_CHANNELS

See Also:

Constant Field Values

NUM_OUTPUT_CHANNELS

public static final int NUM_OUTPUT_CHANNELS

See Also:

Constant Field Values

MAX_ANALOG_INPUT_VALUE

public static final float MAX_ANALOG_INPUT_VALUE

MAX_MOTOR_VALUE

public static final int MAX_MOTOR_VALUE

See Also:

Constant Field Values

MIN_MOTOR_VALUE

public static final int MIN_MOTOR_VALUE

See Also:

Constant Field Values

SERVO_CENTRE

public static final int SERVO_CENTRE

See Also:

Constant Field Values

Constructor Details

PiconZero

public PiconZero()

PiconZero

public PiconZero(int controller,
int address)

Method Details

getVRef

public float getVRef()

Specified by:

getVRef in interface AnalogInputDeviceFactoryInterface

reset

public void reset()

Reset the board.

getRevision

public byte[] getRevision()

Get the board revision details

Returns:

revision[0]: Board type (2 == PiconZero); revision[1]: Firmware version

setInputConfig

public void setInputConfig(int channel,
PiconZero.InputConfig config)

Set configuration of selected input channel

Parameters:

channel - Input channel (0..3)

config - Input configuration (0: Digital, 1: Analog, 2: DS18B20)

setOutputConfig

public void setOutputConfig(int channel,
PiconZero.OutputConfig config)

Set configuration of selected output

Parameters:

channel - Output channel (0..5)

config - Output configuration (0: Digital, 1: PWM, 2: Servo, 3: Neopixel WS2812B)

setMotor

public void setMotor(int motor,
float speed)

Set motor output value (normalised to range -1..1)

Parameters:

motor - Motor number (0 or 1)

speed - Must be in range -1..1

getMotor

public float getMotor(int motor)

Get motor output value (normalised to range -1..1)

Parameters:

motor - Motor number (0 or 1)

Returns:

Current motor speed in range -1..1

setMotorValue

public void setMotorValue(int motor,
int speed)

Set motor output value (PiconZero range -128..127)

Parameters:

motor - Motor number (0 or 1)

speed - Must be in range -128..127

getMotorValue

public int getMotorValue(int motor)

Get the current motor speed (PiconZero range -128..127)

Parameters:

motor - Motor number (0 or 1)

Returns:

Motor speed in range -128..127

getValue

public float getValue(int channel)

Read input value in normalised range (0..1)

Parameters:

channel - Input to read

Returns:

Normalised value (0..1)

setValue

public void setValue(int channel,
float value)

Set output value for the specified channel (normalised).

* Don't use this method if the output mode is WS2812B.

Parameters:

channel - 0..5

value - Normalised output value:

 Mode  Name    Type    Values
 0     On/Off  Byte    0 is OFF, 1 is ON
 1     PWM     Byte    0 to 1 percentage of ON time
 2     Servo   Byte    -1 to + 1 Position in degrees (0 is centre)
 3*    WS2812B 4 Bytes 0:Pixel ID, 1:Red, 2:Green, 3:Blue
                

setValue

public void setValue(int channel,
boolean value)

getInputValue

public int getInputValue(int channel)

Read input value in PiconZero range

Parameters:

channel - Input to read

Returns:

Value in PiconZero range

setOutputValue

public void setOutputValue(int channel,
int value)

Set output data for selected output channel in PiconZero range.

Parameters:

channel - 0..5

value - output value:

 Mode  Name    Type    Values
 0     On/Off  Byte    0 is OFF, 1 is ON
 1     PWM     Byte    0 to 100 percentage of ON time
 2     Servo   Byte    Position in degrees with 90 as the mid point
 3*    WS2812B 4 Bytes 0:Pixel ID, 1:Red, 2:Green, 3:Blue
                

* Don't use this method if the output mode is WS2812B.

setPixel

public void setPixel(int pixel,
int red,
int green,
int blue,
boolean update)

Set the colour of an individual pixel (always output channel 5)

Parameters:

pixel - 0..63

red - 0..255

green - 0..255

blue - 0..255

update - update the pixel now if true

setAllPixels

public void setAllPixels(int red,
int green,
int blue,
boolean update)

Sets all pixels with the selected red, green and blue values (0 to 255) [Available from firmware revision 07]

Parameters:

red - 0..255

green - 0..255

blue - 0..255

update - update the pixel now if true

updatePixels

public void updatePixels()

setBrightness

public void setBrightness(int brightness)

getName

public String getName()

Description copied from interface: DeviceFactoryInterface

Get the name of this device factory

Specified by:

getName in interface DeviceFactoryInterface

Returns:

the name of this device factory

getBoardPwmFrequency

public int getBoardPwmFrequency()

Specified by:

getBoardPwmFrequency in interface PwmOutputDeviceFactoryInterface

setBoardPwmFrequency

public void setBoardPwmFrequency(int pwmFrequency)

Specified by:

setBoardPwmFrequency in interface PwmOutputDeviceFactoryInterface

getBoardPinInfo

public BoardPinInfo getBoardPinInfo()

Description copied from interface: DeviceFactoryInterface

Get information about pins that can be provisioned by this device factory.

Specified by:

getBoardPinInfo in interface DeviceFactoryInterface

Returns:

createDigitalInputDevice

public GpioDigitalInputDeviceInterface createDigitalInputDevice(String key,
PinInfo pinInfo,
GpioPullUpDown pud,
GpioEventTrigger trigger)
                                                         throws RuntimeIOException

Specified by:

createDigitalInputDevice in interface GpioDeviceFactoryInterface

Throws:

RuntimeIOException

createDigitalOutputDevice

public GpioDigitalOutputDeviceInterface createDigitalOutputDevice(String key,
PinInfo pinInfo,
boolean initialValue)
                                                           throws RuntimeIOException

Specified by:

createDigitalOutputDevice in interface GpioDeviceFactoryInterface

Throws:

RuntimeIOException

createDigitalInputOutputDevice

public GpioDigitalInputOutputDeviceInterface createDigitalInputOutputDevice(String key,
PinInfo pinInfo,
DeviceMode mode)
                                                                     throws RuntimeIOException

Specified by:

createDigitalInputOutputDevice in interface GpioDeviceFactoryInterface

Throws:

RuntimeIOException

createPwmOutputDevice

public PwmOutputDeviceInterface createPwmOutputDevice(String key,
PinInfo pinInfo,
int pwmFrequency,
float initialValue)
                                               throws RuntimeIOException

Specified by:

createPwmOutputDevice in interface PwmOutputDeviceFactoryInterface

Throws:

RuntimeIOException

createAnalogInputDevice

public AnalogInputDeviceInterface createAnalogInputDevice(String key,
PinInfo pinInfo)

Specified by:

createAnalogInputDevice in interface AnalogInputDeviceFactoryInterface

createAnalogOutputDevice

public AnalogOutputDeviceInterface createAnalogOutputDevice(String key,
PinInfo pinInfo,
float initialValue)
                                                     throws RuntimeIOException

Specified by:

createAnalogOutputDevice in interface AnalogOutputDeviceFactoryInterface

Throws:

RuntimeIOException

provisionAnalogInputDevice

public AnalogInputDeviceInterface provisionAnalogInputDevice(int gpio)
                                                      throws RuntimeIOException

Specified by:

provisionAnalogInputDevice in interface AnalogInputDeviceFactoryInterface

Throws:

RuntimeIOException

closeChannel

public void closeChannel(int channel)

close

public void close()
           throws RuntimeIOException

Description copied from interface: DeviceFactoryInterface

Close this device factory including all devices that have been provisioned by it.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface DeviceFactoryInterface

Overrides:

close in class AbstractDeviceFactory

Throws:

RuntimeIOException