public static BootloaderImage Load(string File)
{
FileInfo f = new FileInfo(File);
if(f.Length < 8) throw new Exception("Wrong file.");
StreamReader r = new StreamReader(File);
BootloaderImage img = new BootloaderImage();
img.Length = (ushort)((byte)r.BaseStream.ReadByte() | ((byte)r.BaseStream.ReadByte()) << 8);
img.CRC16 = (ushort)((byte)r.BaseStream.ReadByte() | ((byte)r.BaseStream.ReadByte()) << 8);
img.Version = (ushort)((byte)r.BaseStream.ReadByte() | ((byte)r.BaseStream.ReadByte()) << 8);
byte brd = (byte)r.BaseStream.ReadByte();
switch(brd)
{
case 0: img.Board = Boards.Mini; break;
case 1: img.Board = Boards.Coco; break;
case 2: img.Board = Boards.Ultra; break;
case 3: img.Board = Boards.CocoDuino; break;
case 4: img.Board = Boards.MiniDuino; break;
}
img.Revision = (byte)r.BaseStream.ReadByte();
img.Content = new byte[img.Length - 8];
for(int i = 7; i < img.Length; i++)
{
img.Content[i - 7] = (byte)r.BaseStream.ReadByte();
}
return img;
}
public bool UpdateBootloader(string File)
{
Crc16Ccitt CRC = new Crc16Ccitt(InitialCrcValue.Zeros);
FileInfo bl = new FileInfo(File);
StreamReader Read = new StreamReader(File);
if (Board == null)
{
LoadBoardInfo();
}
// load header of the bootloader file
BootloaderImage img = BootloaderImage.Load(File);
if (Board.Board != img.Board)
{
return(false);
}
else if (img.Revision != 0 && img.Revision != Board.BoardRevision)
{
return(false);
}
int Pages = (int)Math.Ceiling((double)bl.Length / Board.PageSize);
for (int Page = 0; Page < Pages; Page++)
{
for (int Part = 0; Part < Board.PageSize / ChunkSize; Part++)
{
byte[] Content = new byte[ChunkSize];
PacketPAGE packet = new PacketPAGE();
packet.Part = (byte)Part;
packet.PageNumber = (byte)Page;
for (int i = 0; i < ChunkSize; i++)
{
if (i + Part * (Board.PageSize / ChunkSize) + Page * Board.PageSize < (img.Length - 8))
{
Content[i] = img.Content[i + Part * (Board.PageSize / ChunkSize) + Page * Board.PageSize];
}
else
{
Content[i] = 0;
}
}
packet.CRC16 = CRC.ComputeChecksum(Content);
packet.Payload = Content;
packet.Send(Comm);
}
}
return(true);
}
public static BootloaderImage Load(string File)
{
FileInfo f = new FileInfo(File);
if (f.Length < 8)
{
throw new Exception("Wrong file.");
}
StreamReader r = new StreamReader(File);
BootloaderImage img = new BootloaderImage();
img.Length = (ushort)((byte)r.BaseStream.ReadByte() | ((byte)r.BaseStream.ReadByte()) << 8);
img.CRC16 = (ushort)((byte)r.BaseStream.ReadByte() | ((byte)r.BaseStream.ReadByte()) << 8);
img.Version = (ushort)((byte)r.BaseStream.ReadByte() | ((byte)r.BaseStream.ReadByte()) << 8);
byte brd = (byte)r.BaseStream.ReadByte();
switch (brd)
{
case 0: img.Board = Boards.Mini; break;
case 1: img.Board = Boards.Coco; break;
case 2: img.Board = Boards.Ultra; break;
case 3: img.Board = Boards.CocoDuino; break;
case 4: img.Board = Boards.MiniDuino; break;
}
img.Revision = (byte)r.BaseStream.ReadByte();
img.Content = new byte[img.Length - 8];
for (int i = 7; i < img.Length; i++)
{
img.Content[i - 7] = (byte)r.BaseStream.ReadByte();
}
return(img);
}
