public String ReadCardNo()
{
if (!isPortOpened)
{
return("");
}
//读取卡号
int ReaderID = 0;
int BlockID = 0;
char KeySel = SDTReader.PASSWORD_A;//SDTReader.PASSWORD_B
short CardType1 = 0;
char CardMem1 = (char)0;
byte[] Key = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
byte[] Data = new byte[16];
byte[] SN = new byte[4];
int CardNoLen1 = 0;
String strRet = "";
try
{
if (SDTReader.YW_AntennaStatus(ReaderID, true) >= 0)
{
if (SDTReader.YW_RequestCard(ReaderID, SDTReader.REQUESTMODE_ALL, ref CardType1) > 0)
{
if (SDTReader.YW_AntiCollideAndSelect(ReaderID, (char)1, ref CardMem1, ref CardNoLen1, ref SN[0]) > 0)
{
if (SDTReader.YW_KeyAuthorization(ReaderID, KeySel, BlockID, ref Key[0]) > 0)
{
if (SDTReader.YW_ReadaBlock(ReaderID, BlockID, 16, ref Data[0]) > 0)
{
strRet = "";
//for (int i = 0; i < 16; i++)
for (int i = 0; i < 4; i++)//8位卡号,4个字节
{
strRet = strRet + Data[i].ToString("X2");
}
//MessageBox.Show("读取正确");
//读取成功后,滴滴一声
SDTReader.YW_Buzzer(ReaderID, 1, 1, 1);
//绿灯闪一闪
SDTReader.YW_Led(ReaderID, 1, 1, 1, 3);
}
}
}
}
}
}
catch (Exception exp)
{
isPortOpened = false;
Console.WriteLine(exp.Message);
errorMessage = exp.Message;
}
return(strRet);
}
public void ClosePort()
{
try
{
//关闭端口
if (isPortOpened)
{
SDTReader.YW_USBHIDFree();
}
isPortOpened = false;
}
catch (Exception exp)
{
isPortOpened = false;
Console.WriteLine(exp.Message);
errorMessage = exp.Message;
}
}
//Led flash
public void LedFlash()
{
int ReaderID = 0;
if (!isPortOpened)
{
return;
}
try
{
//绿灯闪一闪
SDTReader.YW_Led(ReaderID, 1, 1, 1, 3);
}
catch (Exception exp)
{
isPortOpened = false;
Console.WriteLine(exp.Message);
errorMessage = exp.Message;
}
}
//Beep 使用在空队列出现新检查时
public void Beep_EmptyQueue_New_Arrival()
{
int ReaderID = 0;
if (!isPortOpened)
{
return;
}
try
{
//Beep
SDTReader.YW_Buzzer(ReaderID, 3, 2, 3);
}
catch (Exception exp)
{
isPortOpened = false;
Console.WriteLine(exp.Message);
errorMessage = exp.Message;
}
}
//Beep
public void Beep()
{
int ReaderID = 0;
if (!isPortOpened)
{
return;
}
try
{
//Beep
SDTReader.YW_Buzzer(ReaderID, 1, 1, 1);
}
catch (Exception exp)
{
isPortOpened = false;
Console.WriteLine(exp.Message);
errorMessage = exp.Message;
}
}
private String errorMessage = ""; //出现异常时的提示信息
public SDT_Operator()
{
//打开端口
int rt = -1;
try
{
rt = SDTReader.YW_USBHIDInitial();
}
catch (Exception exp)
{
Console.WriteLine(exp.Message);
errorMessage = exp.Message;
}
if (rt > 0)//打开设备OK
{
isPortOpened = true;
}
else
{
isPortOpened = false;
}
}