edu.wpi.first.wpilibj.hal

Class HALUtil

java.lang.Object

edu.wpi.first.wpilibj.hal.JNIWrapper

edu.wpi.first.wpilibj.hal.HALUtil

public class HALUtil
extends JNIWrapper

Field Summary

Fields

Modifier and Type	Field and Description
static int	ANALOG_TRIGGER_PULSE_OUTPUT_ERROR
static int	INCOMPATIBLE_STATE
static int	LOOP_TIMING_ERROR
static int	NO_AVAILABLE_RESOURCES
static int	NULL_PARAMETER
static int	PARAMETER_OUT_OF_RANGE
static int	SAMPLE_RATE_TOO_HIGH
static int	VOLTAGE_OUT_OF_RANGE

Constructor Summary

Constructors

Constructor and Description
HALUtil()

Method Summary

Modifier and Type	Method and Description
static void	checkStatus(java.nio.IntBuffer status)
static void	deleteMultiWait(java.nio.ByteBuffer sem)
static void	deleteMutex(java.nio.ByteBuffer sem)
static boolean	getFPGAButton(java.nio.IntBuffer status)
static int	getFPGARevision(java.nio.IntBuffer status)
static long	getFPGATime(java.nio.IntBuffer status)
static short	getFPGAVersion(java.nio.IntBuffer status)
static int	getHALErrno()
static java.lang.String	getHALErrorMessage(int code)
static java.lang.String	getHALstrerror()
static java.lang.String	getHALstrerror(int errno)
static java.nio.ByteBuffer	initializeMultiWait()
static java.nio.ByteBuffer	initializeMutexNormal()
static byte	takeMultiWait(java.nio.ByteBuffer sem, java.nio.ByteBuffer m, int timeOut)
static byte	takeMutex(java.nio.ByteBuffer sem)

Methods inherited from class edu.wpi.first.wpilibj.hal.JNIWrapper

getPort, getPortWithModule

Methods inherited from class java.lang.Object

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

Field Detail

NULL_PARAMETER

public static final int NULL_PARAMETER

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Constant Field Values

SAMPLE_RATE_TOO_HIGH

public static final int SAMPLE_RATE_TOO_HIGH

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Constant Field Values

VOLTAGE_OUT_OF_RANGE

public static final int VOLTAGE_OUT_OF_RANGE

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Constant Field Values

LOOP_TIMING_ERROR

public static final int LOOP_TIMING_ERROR

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Constant Field Values

INCOMPATIBLE_STATE

public static final int INCOMPATIBLE_STATE

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Constant Field Values

ANALOG_TRIGGER_PULSE_OUTPUT_ERROR

public static final int ANALOG_TRIGGER_PULSE_OUTPUT_ERROR

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Constant Field Values

NO_AVAILABLE_RESOURCES

public static final int NO_AVAILABLE_RESOURCES

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Constant Field Values

PARAMETER_OUT_OF_RANGE

public static final int PARAMETER_OUT_OF_RANGE

See Also:

Constant Field Values

Constructor Detail

HALUtil

public HALUtil()

Method Detail

initializeMutexNormal

public static java.nio.ByteBuffer initializeMutexNormal()

deleteMutex

public static void deleteMutex(java.nio.ByteBuffer sem)

takeMutex

public static byte takeMutex(java.nio.ByteBuffer sem)

initializeMultiWait

public static java.nio.ByteBuffer initializeMultiWait()

deleteMultiWait

public static void deleteMultiWait(java.nio.ByteBuffer sem)

takeMultiWait

public static byte takeMultiWait(java.nio.ByteBuffer sem,
                                 java.nio.ByteBuffer m,
                                 int timeOut)

getFPGAVersion

public static short getFPGAVersion(java.nio.IntBuffer status)

getFPGARevision

public static int getFPGARevision(java.nio.IntBuffer status)

getFPGATime

public static long getFPGATime(java.nio.IntBuffer status)

getFPGAButton

public static boolean getFPGAButton(java.nio.IntBuffer status)

getHALErrorMessage

public static java.lang.String getHALErrorMessage(int code)

getHALErrno

public static int getHALErrno()

getHALstrerror

public static java.lang.String getHALstrerror(int errno)

getHALstrerror

public static java.lang.String getHALstrerror()

checkStatus

public static void checkStatus(java.nio.IntBuffer status)