/// <summary>
/// 由固件文件路径生成固件对象的构造函数
/// </summary>
/// <param name="path">固件文件路径</param>
public tFirmware(string path)
{
int bufSize = 300 * 1024;
FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, bufSize);
BinaryReader reader = new BinaryReader(stream);
// 解析固件文件头信息
byte[] data = reader.ReadBytes(FW_HEADER_SIZE);
FwDesc.u32MagicWord = (UInt32)((data[0] << 24) | (data[1] << 16) | (data[2] << 8) | (data[3]));
FwDesc.verFw.u8Main = data[4];
FwDesc.verFw.u8Sub = data[5];
FwDesc.verFw.u8Rev = data[6];
FwDesc.verFw.u8Build = data[7];
FwDesc.u32Size = (UInt32)((data[8] << 24) | (data[9] << 16) | (data[10] << 8) | (data[11]));
//FwDesc.u16BlockNum != (UInt16)((data[12] << 8) | data[13]);
FwDesc.u16BlockNum = (UInt16)(FwDesc.u32Size / FwDesc.u8BlockSize);
if (FwDesc.u32Size % FwDesc.u8BlockSize != 0)
{
++FwDesc.u16BlockNum;
}
//FwDesc.u8BlockSize = data[14];
FwDesc.u32MagicWord = (UInt32)((data[15] << 24) | (data[16] << 16) | (data[17] << 8) | (data[18]));
// 解析固件数据
DicFwBlockDat = new Dictionary <ushort, tFwBlockDat>(FwDesc.u16BlockNum);
data = reader.ReadBytes((int)FwDesc.u32Size);
for (int i = 0; i < FwDesc.u16BlockNum; i++)
{
tFwBlockDat newFwBlockDat = new tFwBlockDat();
if (i < FwDesc.u16BlockNum - 1)
{
newFwBlockDat.size = FwDesc.u8BlockSize;
}
else
{
newFwBlockDat.size = (UInt16)(FwDesc.u32Size - (FwDesc.u16BlockNum - 1) * FwDesc.u8BlockSize);
}
newFwBlockDat.data = new byte[newFwBlockDat.size];
Array.Copy(data, i * FwDesc.u8BlockSize, newFwBlockDat.data, 0, newFwBlockDat.size);
DicFwBlockDat.Add((UInt16)i, newFwBlockDat);
}
}
/// <summary>
/// 由固件文件数据生成固件对象的构造函数
/// </summary>
/// <param name="fileDat">固件文件数据</param>
public tFirmware(byte[] fileDat)
{
if (fileDat == null || fileDat.Length <= FW_HEADER_SIZE)
{
throw new Exception("Firmware data error");
}
FwDesc.u32MagicWord = (UInt32)((fileDat[0] << 24) | (fileDat[1] << 16) | (fileDat[2] << 8) | (fileDat[3]));
FwDesc.verFw.u8Main = fileDat[4];
FwDesc.verFw.u8Sub = fileDat[5];
FwDesc.verFw.u8Rev = fileDat[6];
FwDesc.verFw.u8Build = fileDat[7];
FwDesc.u32Size = (UInt32)((fileDat[8] << 24) | (fileDat[9] << 16) | (fileDat[10] << 8) | (fileDat[11]));
//FwDesc.u16BlockNum != (UInt16)((data[12] << 8) | data[13]);
FwDesc.u16BlockNum = (UInt16)(FwDesc.u32Size / FwDesc.u8BlockSize);
if (FwDesc.u32Size % FwDesc.u8BlockSize != 0)
{
++FwDesc.u16BlockNum;
}
//FwDesc.u8BlockSize = data[14];
FwDesc.u32EntryPoint = (UInt32)((fileDat[15] << 24) | (fileDat[16] << 16) | (fileDat[17] << 8) | (fileDat[18]));
// 解析固件数据
DicFwBlockDat = new Dictionary <ushort, tFwBlockDat>(FwDesc.u16BlockNum);
for (int i = 0; i < FwDesc.u16BlockNum; i++)
{
tFwBlockDat newFwBlockDat = new tFwBlockDat();
if (i < FwDesc.u16BlockNum - 1)
{
newFwBlockDat.size = FwDesc.u8BlockSize;
}
else
{
newFwBlockDat.size = (UInt16)(FwDesc.u32Size - (FwDesc.u16BlockNum - 1) * FwDesc.u8BlockSize);
}
newFwBlockDat.data = new byte[newFwBlockDat.size];
Array.Copy(fileDat, 19 + i * FwDesc.u8BlockSize, newFwBlockDat.data, 0, newFwBlockDat.size);
DicFwBlockDat.Add((UInt16)i, newFwBlockDat);
}
}
/// <summary>
/// 复制构造函数
/// </summary>
/// <param name="fw">复制的对象</param>
public tFirmware(tFirmware fw)
{
FwDesc.u32MagicWord = fw.FwDesc.u32MagicWord;
FwDesc.verFw.u8Main = fw.FwDesc.verFw.u8Main;
FwDesc.verFw.u8Sub = fw.FwDesc.verFw.u8Sub;
FwDesc.verFw.u8Rev = fw.FwDesc.verFw.u8Rev;
FwDesc.verFw.u8Build = fw.FwDesc.verFw.u8Build;
FwDesc.u32Size = fw.FwDesc.u32Size;
FwDesc.u8BlockSize = fw.FwDesc.u8BlockSize;
FwDesc.u16BlockNum = fw.FwDesc.u16BlockNum;
FwDesc.u32EntryPoint = fw.FwDesc.u32EntryPoint;
DicFwBlockDat = new Dictionary <ushort, tFwBlockDat>();
for (ushort i = 0; i < fw.DicFwBlockDat.Count; i++)
{
tFwBlockDat fwBlkDat = new tFwBlockDat();
fwBlkDat.size = fw.DicFwBlockDat[i].size;
fwBlkDat.data = new byte[fwBlkDat.size];
Array.Copy(fw.DicFwBlockDat[i].data, fwBlkDat.data, fwBlkDat.size);
DicFwBlockDat.Add(i, fwBlkDat);
}
}
