public void CreateEV3File(String fullname, byte[] content)
{
int chunksize = 900;
int pos = 0;
int transfernow = Math.Min(content.Length - pos, chunksize - fullname.Length);
// start the transfer
BinaryBuffer b = new BinaryBuffer();
b.Append32(content.Length);
b.AppendZeroTerminated(fullname);
b.AppendBytes(content, pos, transfernow);
byte[] response = SystemCommand(BEGIN_DOWNLOAD, b);
if (response == null)
{
throw new Exception("No response to BEGIN_DOWNLOAD");
}
if (response.Length < 2)
{
throw new Exception("Response too short for BEGIN_DOWNLOAD");
}
if (response[0] != SUCCESS && response[0] != END_OF_FILE)
{
throw new Exception("Unexpected status at BEGIN_DOWNLOAD: " + response[0]);
}
pos += transfernow;
int handle = response[1] & 0xff;
// transfer bytes in small chunks
while (pos < content.Length)
{
transfernow = Math.Min(content.Length - pos, chunksize);
b.Clear();
b.Append8(handle);
b.AppendBytes(content, pos, transfernow);
response = SystemCommand(CONTINUE_DOWNLOAD, b);
if (response == null)
{
throw new Exception("No response to CONTINUE_DOWNLOAD");
}
if (response.Length < 2)
{
throw new Exception("Response too short for CONTINUE_DOWNLOAD");
}
if (response[0] != SUCCESS && response[0] != END_OF_FILE)
{
throw new Exception("Unexpected status at CONTINUE_DOWNLOAD: " + response[0]);
}
pos += transfernow;
}
}
public void CopyTo(BinaryBuffer target)
{
target.AppendBytes(buffer, 0, len);
}