/// <summary>
/// 电动读卡器异常发送状态
/// </summary>
public static string SendCRT310State()
{
string port = SysConfigHelper.readerNode("CRT310Port");
StringBuilder info = new StringBuilder(1024);
Thread.Sleep(1000 * 1);
CRT310.TT_CloseDevice(info);
CRT310.TT_CloseDevice(info);
Thread.Sleep(1000 * 1);
int handle = -1;
for (int i = 1; i <= 2; i++)
{
handle = CRT310.TT_OpenDevice(new StringBuilder("COM" + port), new StringBuilder("9600"), info);
if (handle == 0)
{
break;
}
}
int jubing = handle;
if (handle == 0)
{
handle = CRT310.TT_GetDeviceStatus(info);
CRT310.TT_CloseDevice(info);
if (handle == 4101)
{
return(null);
}
if (handle == 4104)
{
return(null);
}
if (handle != 0)
{
return("01" + handle.ToString());
}
}
else
{
return("01" + handle.ToString());
}
return(null);
}