com.digi.android.spi

Class SPIManager

java.lang.Object

com.digi.android.spi.SPIManager

public class SPIManager
extends java.lang.Object

This class provides access to the SPI devices.

This manager allows applications to list the available SPI interfaces and create SPI devices to read/write.

Unless noted, all SPI API methods require the com.digi.android.permission.SPI permission. If your application does not have this permission it will not have access to any SPI service feature.

See Also:

SPI

Constructor Summary

Constructors

Constructor and Description
SPIManager(android.content.Context context) Class constructor.

Method Summary

Methods

Modifier and Type	Method and Description
SPI	createSPI(int interfaceNumber, int slaveDevice) Creates and returns an SPI object with the given interface and slave device.
int[]	listInterfaces() Lists all the available SPI interface numbers.
int[]	listSlaveDevices(int interfaceNumber) Lists all the available slave devices of the given SPI interface number.

Methods inherited from class java.lang.Object

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

Constructor Detail

SPIManager

public SPIManager(android.content.Context context)

Class constructor.

Instantiates a new object of type SPIManager with the given context.

Parameters:

context - The context to get the internal SPI handler.

Throws:

java.lang.NullPointerException - If context == null.

Method Detail

createSPI

public SPI createSPI(int interfaceNumber,
            int slaveDevice)

Creates and returns an SPI object with the given interface and slave device.

Parameters:

interfaceNumber - Number of the SPI interface adaptor to use.

slaveDevice - SPI slave device to communicate with.

Returns:

The SPI object.

Throws:

java.lang.IllegalArgumentException - If interfaceNumber < 0 or if slaveDevice < 0.

See Also:

listInterfaces(), SPI

listInterfaces

public int[] listInterfaces()

Lists all the available SPI interface numbers.

Returns:

Array with the available SPI interface numbers.

listSlaveDevices

public int[] listSlaveDevices(int interfaceNumber)

Lists all the available slave devices of the given SPI interface number.

Parameters:

interfaceNumber - The number of the SPI interface to get its slaves.

Returns:

Array with the available slave devices of the given SPI interface number.