/// <summary>
/// 解析单条数据 保存值bin结构体
/// </summary>
/// <param name="_str">Hex字符串</param>
/// <param name="_bs">二进制文件结构体</param>
/// <returns></returns>
public static HexStruct HexString_To_HexStruct(string _str, ref BinStruct _bs)
{
byte[] _b = Class.Cls_Convert.HexString_To_Byte(_str);
int _b_lsc = 0;
HexStruct _hs = new HexStruct
{
len = _b[0],//长度
adress = new byte[2]
};
_hs.adress[0] = _b[1]; //地址
_hs.adress[1] = _b[2];
_hs.dtype = _b[3]; //类型
_hs.data = new byte[_b[0]];
_b_lsc = _b[0] + _b[1] + _b[2] + _b[3];
for (int i = 0; i < _b[0]; i++)
{
_hs.data[i] = _b[i + 4];
_b_lsc += _b[i + 4];
}
_b_lsc = Convert.ToByte((byte)_b_lsc);
_b_lsc = Convert.ToByte((byte)(256 - _b_lsc));
_hs.checksum = _b.Last(); //校验
if (_b_lsc != _hs.checksum)
{
throw new Exception("校验错误。");
}
//最后 将信息添加至bin文件
if (_hs.dtype == 0)
{
_bs.size += _b[0]; //大小
_bs.data.AddRange(_hs.data); //数据
}
return(_hs);
}
public static BinStruct BinParse(FileInfo _s_file_info)
{
// 打开hex文件
try
{
StreamReader file = new StreamReader(_s_file_info.FullName);
List <HexStruct> _lhs = new List <HexStruct>();
BinStruct _bs = new BinStruct();
_bs.data = new List <byte>();//初始化列表
_bs.size = 0;
string line;
while ((line = file.ReadLine()) != null)
{
if (line[0] == ':')//判断是否为hex文件
{
line = line.Substring(1);
_lhs.Add(HexString_To_HexStruct(line, ref _bs));
}
else
{
throw new Exception("十六进制文件格式有误。");//格式不对，触发异常
}
}
file.Close();
//解析完成 判断文件是否正确
if (_lhs[0].dtype != 4)
{
throw new Exception("无标识扩展线性地址记录（类型代码：04）。");
}
if (_lhs.Last().checksum != 255 || _lhs.Last().len != 0)
{
throw new Exception("尾行数据非结束字符串。");
}
if (_lhs[_lhs.Count - 2].dtype != 5)
{
throw new Exception("无开始线性地址记录（类型代码：05）");
}
//文件正确 修改bin结构体
if (_bs.size == _bs.data.Count)
{
_bs.adress = new byte[4]; //实例化四字节下载地址
_bs.main_adress = new byte[4]; //实例化四字节主函数入口地址
Array.Copy(_lhs[0].data, 0, _bs.adress, 0, 2); //第一条记录数据为基址
Array.Copy(_lhs[1].adress, 0, _bs.adress, 2, 2); //第二条记录地址为开始下载地址
Array.Copy(_lhs[_lhs.Count - 2].data, 0, _bs.main_adress, 0, 4);
//文件最后修改时间
//_bs.date = _s_file_info.LastWriteTime;
}
else
{
throw new Exception("二进制文件数据有误，size：" + _bs.size + " data.Count：" + _bs.data.Count);
}
return(_bs);
}
catch
{
return(null);
}
}
public static BinStruct Parse(FileInfo _s_file_info)
{
// 打开hex文件
try
{
BinaryReader file = new BinaryReader(new FileStream(_s_file_info.FullName, FileMode.Open));
BinStruct _bs = new BinStruct();
_bs.data = new List <byte>();//初始化列表
_bs.size = file.BaseStream.Length;
byte[] _b_s = file.ReadBytes((int)_bs.size);
_bs.data.AddRange(_b_s);
file.Close();
return(_bs);
}
catch
{
return(null);
}
}
