public int FormatGasCard(Int16 com, //串口号，从0开始
Int32 baud, //波特率
string kmm, //卡密码，写卡后返回新密码
string kh, //卡号
string dqdm)
{
int icdev = ic_init(com, baud);
byte[] useridasc = new byte[20];
byte[] useridhex = new byte[20];
//读卡号
//读0xA1开始7个位置 用户编号为14位
string UserID = "";
Log.Debug("清卡开始：");
Int16 str = srd_4442(icdev, 0xA1, 7, useridhex);
if (str == 0)
{
str = hex_asc(useridhex, useridasc, 16);
UserID = Encoding.ASCII.GetString(useridasc, 0, 14); //读出卡号 （用户编号）14位 ok
}
int p1 = int.Parse(UserID.Substring(0, 4)) + int.Parse(UserID.Substring(4, 4));
int p2 = int.Parse(UserID.Substring(8, 4)) + int.Parse(UserID.Substring(12, 2));
int p3 = int.Parse(UserID.Substring(1, 4)) + int.Parse(UserID.Substring(9, 4));
string ps = p1.ToString() + p2.ToString() + p3.ToString();
Int32 X = Int32.Parse(ps);
byte[] passwd1 = new byte[3];
int x111 = X / 1000;
int x211 = x111 / 256;
int x311 = x211 / 256;
int x411 = x311 % 256;
passwd1[0] = byte.Parse(x411.ToString());
int x511 = X / 1000;
int x611 = x511 / 256;
int x711 = x611 % 256;
passwd1[1] = Byte.Parse(x711.ToString());
int x811 = X / 1000;
int x911 = x811 % 256;
passwd1[2] = Byte.Parse(x911.ToString());
// byte[] passhex = new byte[3];
// int aaa = asc_hex(passwd1, passhex, 3);
int z = 0;
// csc_4442(icdev, 3, passwd);
////修改密码
z = csc_4442(icdev, 3, passwd1);
byte[] passwd = new byte[3] { 0xff, 0xff, 0xff };
z = wsc_4442(icdev, 3, passwd);
//清卡
byte[] data_buffer = new byte[0xe0];
for (int iii = 0; iii < data_buffer.Length; iii++)
{
data_buffer[iii] = 0xff;
}
z= swr_4442(icdev, 0x20, 0xe0, data_buffer);
ic_exit(icdev);
return z;
}