c# char unsigned_dll 中含有unsigned char数组，被C#调用 -
public class OPVcDll
{
#region 对USB接口的使用(PHILIPH卡)
[DllImport("dcrf32.dll")]
public static extern int dc_init(Int16 port, long baud); //初试化
[DllImport("dcrf32.dll")]
public static extern short dc_exit(int icdev);
[DllImport("dcrf32.dll")]
public static extern short dc_reset(int icdev, uint sec);
[DllImport("dcrf32.dll")]
public static extern short dc_request(int icdev, char _Mode, ref uint TagType);
[DllImport("dcrf32.dll")]
public static extern short dc_card(int icdev, char _Mode, ref ulong Snr);
[DllImport("dcrf32.dll")]
public static extern short dc_halt(int icdev);
[DllImport("dcrf32.dll")]
public static extern short dc_anticoll(int icdev, char _Bcnt, ref ulong IcCardNo);
[DllImport("dcrf32.dll")]
public static extern short dc_beep(int icdev, uint _Msec);蜂鸣
[DllImport("dcrf32.dll")]
public static extern short dc_authentication(int icdev, int _Mode, int _SecNr);
[DllImport("dcrf32.dll")]
public static extern short dc_load_key(int icdev, int mode, int secnr, [In] byte[] nkey); //密码装载到读写模块中
[DllImport("dcrf32.dll")]
public static extern short dc_load_key_hex(int icdev, int mode, int secnr, string nkey); //密码装载到读写模块中
[DllImport("dcrf32.dll")]
public static extern short dc_write(int icdev, int adr, [In] byte[] sdata); //向卡中写入数据
[DllImport("dcrf32.dll")]
public static extern short dc_write(int icdev, int adr, [In] string sdata); //向卡中写入数据
[DllImport("dcrf32.dll")]
public static extern short dc_write_hex(int icdev, int adr, [In] string sdata); //向卡中写入数据(转换为16进制)
[DllImport("dcrf32.dll")]
public static extern short dc_read(int icdev, int adr, [Out] byte[] sdata);
[DllImport("dcrf32.dll")]
public static extern short dc_read(int icdev, int adr, [MarshalAs(UnmanagedType.LPStr)] StringBuilder sdata); //从卡中读数据
[DllImport("dcrf32.dll")]
public static extern short dc_read_hex(int icdev, int adr, [MarshalAs(UnmanagedType.LPStr)] StringBuilder sdata); //从卡中读数据(转换为16进制)
[DllImport("dcrf32.dll")]
public static extern int a_hex(string oldValue, ref string newValue, Int16 len); //普通字符转换成十六进制字符
[DllImport("dcrf32.dll")]
public static extern void hex_a(ref string oldValue, ref string newValue, int len); //十六进制字符转换成普通字符
///
/// 读取卡信息 (unsigned char * )
///
///
///
///
[DllImport("PdocMACDll.dll")]
public static extern int mif_CPU_Card(int icdev, [MarshalAs(UnmanagedType.LPArray)]byte[] _Snrlen);
public static int mif_CPU_Card(int icdev, ref byte[] _Snrlen)
{
return mif_CPU_Card(icdev, _Snrlen);
}
#endregion
///
/// 初始化设备
///
public static int Icdev
{
get
{
int dc_init = OPVcDll.dc_init(100, 115200);
if (dc_init > 0)
{
return dc_init;
}
else
{
throw new Exception("初始化失败！");
}
}
}
///
/// 获取卡信息
///
///
public static string ReadIc()
{
string cardId = "";
int st;
byte[] icCardNo = new byte[16];
char tt = (char)1;
uint ss = 0;
int dc_init = Icdev;
dc_beep((Int16)dc_init, 50);
st =dc_request(dc_init, tt, ref ss); //检测卡
if (st!=0)
{
dc_exit(dc_init); //退出
throw new Exception("获取卡信息出错!");
}
//是否为CPU卡
if (ss != 8)
{
dc_exit(dc_init); //退出
throw new Exception("该卡为非CPU卡不可以在本功能中发行!");
}
mif_CPU_Card(dc_init, ref icCardNo);
string str = Encoding.Default.GetString(icCardNo);
if (str != null)
{
cardId = str;
}
else
{
dc_exit(dc_init); //退出
throw new Exception("寻卡失败！");
}
return cardId;
}
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