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YW_TOPAZ_ReadSegment
TOPAZ卡片讀Segment

參數(shù)列表：

int stdcall YW_TOPAZ_ReadSegment

(

int ReaderID,

unsigned char *UID, 

unsigned char Segment, 

int *DataLenRet,

unsigned char *pDataRet

)


參數(shù)含義：

參數(shù)

類型

方向

含義

ReaderID

int

IN

所要獲取的設(shè)備標(biāo)示ID，范圍0x0000-0xFFFF，如果未知，則ReaderID=0

UID

unsigned char*

IN

TOPAZ卡的UID，目前4字節(jié)

Segment

unsigned char

IN

要讀取的Segment，一個(gè)字節(jié)，0x00到0x03

DataLenRet

int *

OUT

讀到的數(shù)據(jù)字節(jié)數(shù)

pDataRet

unsigned char*

OUT

讀到的數(shù)據(jù)

返 回 值：大于0為命令發(fā)送成功，<=0為命令發(fā)送失敗


C++聲明（VC++和C++ Builder）：

int stdcall YW_TOPAZ_ReadSegment(int ReaderID,unsigned char *UID, unsigned char Segment, int *DataLenRet,unsigned char *pDataRet)


Delphi聲明：

function YW_TOPAZ_ReadSegment(ReaderID: Integer;UID: PChar;Segment: Byte;var DataLenRet: Integer;pDataRet: PChar): Integer;stdcall;external YOWOREADERDLL;


VB聲明：

Public Declare Function YW_TOPAZ_ReadSegment Lib "YW60x.dll" (ByVal ReaderID As Long, ByRef UID As Byte, ByVal Segment As Byte, ByRef DataLenRet As Long,


JAVA聲明：

public int YW_TOPAZ_ReadSegment(int ReaderID,Pointer UID, byte Segment, Pointer DataLenRet,Pointer pDataRet)

{

int ret;

try

{

JNative fuc = new JNative("YW60x.dll", "YW_TOPAZ_WriteByteWithoutErase");

fuc.setRetVal(Type.INT);

fuc.setParameter(0, ReaderID);

fuc.setParameter(1, UID);

fuc.setParameter(2, Segment);

fuc.setParameter(3, DataLenRet);

fuc.setParameter(4, pDataRet);

fuc.invoke();

ret = fuc.getRetValAsInt();

}

catch(NativeException e)

{

ret = -1;

}

catch(IllegalAccessException e)

{

ret = -2;

}

return ret;

}


C#聲明：

[DllImport("YW60x.dll")]

public static extern int YW_TOPAZ_ReadSegment(int ReaderID,byte[] UID, byte Segment, ref int DataLenRet,byte[] pDataRet);


Power Builder 9 聲明：

public FUNCTION long YW_TOPAZ_ReadSegment (long lReaderID , ref char UID[], char Segment, ref char DataLenRet , ref char pDataRet[]) library "YW60x.dll"


支持的RFID讀寫(xiě)器：
YW-607