int stdcall YW_ReadaBlock
(
int ReaderID,
int BlockAddr,
int LenData,
unsigned char *Data);
|
參數 |
類型 |
方向 |
含義 |
|
ReaderID |
int |
IN |
所要獲取的設備標示ID，范圍0x0000-0xFFFF，如果未知，則ReaderID=0 |
|
BlockAddr |
int |
IN |
絕對地址塊號 |
|
LenData |
int |
IN |
要讀出的數據的字節(jié)數，Mifare
S50/S70為16字節(jié) 一般固定為：0x10(16字節(jié)) |
|
Data |
unsigned char * |
OUT |
輸出讀到的塊的數據 |
返 回 值：大于0為命令發(fā)送成功，小于0為命令發(fā)送失敗
int stdcall YW_ReadaBlock (int ReaderID,int BlockAddr,int LenData, unsigned char *Data);
function YW_ReadaBlock(ReaderID: Integer;BlockAddr: Integer;LenData: Integer; Data: PChar): Integer;stdcall;external YOWOREADERDLL;
Public Declare Function YW_ReadaBlock Lib "YW60x.dll" (ByVal ReaderID As Long, ByVal BlockAddr As Long, ByVal LenData As Long, ByRef Data As Byte) As Long
public int YW_ReadaBlock(int ReaderID,int BlockAddr, int LenData,Pointer pData)
{
int ret;
try
{
JNative fuc = new JNative("YW60x.dll", "YW_ReadaBlock");
fuc.setRetVal(Type.INT);
fuc.setParameter(0, ReaderID);
fuc.setParameter(1,BlockAddr);
fuc.setParameter(2,LenData);
fuc.setParameter(3,pData);
fuc.invoke();
ret = fuc.getRetValAsInt();
}
catch(NativeException e)
{
ret = -1;
}
catch(IllegalAccessException e)
{
ret = -2;
}
return ret;
}
[DllImport("YW60x.dll")]
public static extern int YW_ReadaBlock(int ReaderID,int BlockAddr, int LenData, byte [] pData);
public FUNCTION long YW_ReadaBlock (long lReaderID , long BlockAddr , long LenData , ref char Data[]) library "YW60x.dll"
