/// <summary>
/// 读取卡的返回数据
/// </summary>
/// <param name="data">基于TCardRecv的子类，用于保存返回数据</param>
/// <param name="TimeOut">超时的毫秒数</param>
/// <returns>读取成功返回True，否则返回False</returns>
public static bool ReadData(int id, TCardRecv data, int TimeOut)
{
byte[] buf = new byte[15];
string Head = "";
int size = 0;
while (size < buf.Length)
{
//if (size > 0) FUNC.Sleep(10);
int i = ReadBytes(id, buf, size, buf.Length - size, TimeOut);
if (i == 0)
{
return(false); //读超时
}
size = size + i;
Debug.WriteLine(string.Format("Card.ReadData:({0}) {1} ", size, FUNC.BytesToString(buf)));
if (size >= 3) //超过三字节，判断wat起始标记
{
char[] ch = new char[] { Convert.ToChar(buf[0]), Convert.ToChar(buf[1]), Convert.ToChar(buf[2]) };
Head = new string(ch, 0, 3);
if (Head.ToLower() != "wat") //起始字节不是wat,去掉一个字节,继续读取
{
for (int j = 0; j < size - 1; j++)
{
buf[j] = buf[j + 1]; //前移一个字节
}
size = size - 1;
}
}
}
;
byte c = FUNC.CRC8(buf, 0, 14);
if (c != buf[14])
{
return(false);
}
data.Head = Head;
data.Addr = buf[3];
for (int i = 0; i < 10; i++)
{
data[i] = buf[i + 4];
}
return(true);
}
/// <summary>
/// ToString()方法重载
/// </summary>
/// <returns>以字符串方式返回数组内容</returns>
public override String ToString()
{
return(FUNC.BytesToString(Data));
}