Package oshi.util

Class EdidUtil

java.lang.Object

oshi.util.EdidUtil

@ThreadSafe
public final class EdidUtil
extends Object

EDID parsing utility.

Method Summary

Modifier and Type	Method	Description
static String	getDescriptorRangeLimits(byte[] desc)	Parse descriptor range limits
static byte[][]	getDescriptors(byte[] edid)	Get the VESA descriptors
static String	getDescriptorText(byte[] desc)	Parse descriptor text
static int	getDescriptorType(byte[] desc)	Get the VESA descriptor type
static int	getHcm(byte[] edid)	Get monitor width in cm
static String	getManufacturerID(byte[] edid)	Gets the Manufacturer ID from (up to) 3 5-bit characters in bytes 8 and 9
static String	getProductID(byte[] edid)	Gets the Product ID, bytes 10 and 11
static String	getSerialNo(byte[] edid)	Gets the Serial number, bytes 12-15
static String	getTimingDescriptor(byte[] desc)	Parse a detailed timing descriptor
static int	getVcm(byte[] edid)	Get monitor height in cm
static String	getVersion(byte[] edid)	Return the EDID version
static byte	getWeek(byte[] edid)	Return the week of year of manufacture
static int	getYear(byte[] edid)	Return the year of manufacture
static boolean	isDigital(byte[] edid)	Test if this EDID is a digital monitor based on byte 20
static String	toString(byte[] edid)	Parse an EDID byte array into user-readable information

Methods inherited from class java.lang.Object

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

Method Details

getManufacturerID

public static String getManufacturerID(byte[] edid)

Gets the Manufacturer ID from (up to) 3 5-bit characters in bytes 8 and 9

Parameters:

edid - The EDID byte array

Returns:

The manufacturer ID

getProductID

public static String getProductID(byte[] edid)

Gets the Product ID, bytes 10 and 11

Parameters:

edid - The EDID byte array

Returns:

The product ID

getSerialNo

public static String getSerialNo(byte[] edid)

Gets the Serial number, bytes 12-15

Parameters:

edid - The EDID byte array

Returns:

If all 4 bytes represent alphanumeric characters, a 4-character string, otherwise a hex string.

getWeek

public static byte getWeek(byte[] edid)

Return the week of year of manufacture

Parameters:

edid - The EDID byte array

Returns:

The week of year

getYear

public static int getYear(byte[] edid)

Return the year of manufacture

Parameters:

edid - The EDID byte array

Returns:

The year of manufacture

getVersion

public static String getVersion(byte[] edid)

Return the EDID version

Parameters:

edid - The EDID byte array

Returns:

The EDID version

isDigital

public static boolean isDigital(byte[] edid)

Test if this EDID is a digital monitor based on byte 20

Parameters:

edid - The EDID byte array

Returns:

True if the EDID represents a digital monitor, false otherwise

getHcm

public static int getHcm(byte[] edid)

Get monitor width in cm

Parameters:

edid - The EDID byte array

Returns:

Monitor width in cm

getVcm

public static int getVcm(byte[] edid)

Get monitor height in cm

Parameters:

edid - The EDID byte array

Returns:

Monitor height in cm

getDescriptors

public static byte[][] getDescriptors(byte[] edid)

Get the VESA descriptors

Parameters:

edid - The EDID byte array

Returns:

A 2D array with four 18-byte elements representing VESA descriptors

getDescriptorType

public static int getDescriptorType(byte[] desc)

Get the VESA descriptor type

Parameters:

desc - An 18-byte VESA descriptor

Returns:

An integer representing the first four bytes of the VESA descriptor

getTimingDescriptor

public static String getTimingDescriptor(byte[] desc)

Parse a detailed timing descriptor

Parameters:

desc - An 18-byte VESA descriptor

Returns:

A string describing part of the detailed timing descriptor

getDescriptorRangeLimits

public static String getDescriptorRangeLimits(byte[] desc)

Parse descriptor range limits

Parameters:

desc - An 18-byte VESA descriptor

Returns:

A string describing some of the range limits

getDescriptorText

public static String getDescriptorText(byte[] desc)

Parse descriptor text

Parameters:

desc - An 18-byte VESA descriptor

Returns:

Plain text starting at the 4th byte

toString

public static String toString(byte[] edid)

Parse an EDID byte array into user-readable information

Parameters:

edid - An EDID byte array

Returns:

User-readable text represented by the EDID