YW_ComInitial

(

int PortIndex, 

int Baud

)

打開(kāi)讀卡器串口，使用用串口讀卡器，485讀卡器，還有USB轉(zhuǎn)串口的讀卡器

PortIndex： COM口序號(hào)

 Baud：串口波特率

int stdcall YW_ComInitial(int PortIndex, int Baud);

function YW_ComInitial(PortIndex: Integer; Bound: Integer): Integer;stdcall;external YOWOREADERDLL;

Public Declare Function YW_ComInitial Lib "YW60x.dll" (ByVal PortIndex As Long, ByVal Bound As Long) As Long

public int YW_ComInitial(int PortIndex, int Baud)

{

int ret;

try

{

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

fuc.setRetVal(Type.INT);

fuc.setParameter(0, PortIndex);

fuc.setParameter(1,Baud);

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_ComInitial(int PortIndex, int Bound);

public FUNCTION long YW_ComInitial(long PortIndex , long Baud) library "YW60x.dll"