public void Write(string port, EEPROM eeprom, UInt32 offset, FileInfo source)
{
if (Operation != Operation.Idle)
{
throw new InvalidOperationException("Operation already in progress.");
}
Operation = Operation.Writing;
try
{
// Read the data from the file
byte[] data = File.ReadAllBytes(source.FullName);
// Establish a connection
FireConnectionStateChanged(ConnectionState.Connecting);
OpenPort(port);
FlushInput();
CheckSignature(SendCommand("!"));
FireConnectionStateChanged(ConnectionState.Connected);
// Set the EEPROM identifier
CheckResponse(SendCommand('i', eeprom.ID));
// Write the data
FireProgress(ProgressState.Write, 0, data.Length + 1, "Writing data.");
while (offset < data.Length)
{
// Write the next block
int chunk = Math.Min(32, data.Length - (int)offset);
Response response = CheckResponse(SendCommand("w" + HexString(data, offset, (int)offset, chunk)));
offset += (UInt32)chunk;
// Update progress
FireProgress(ProgressState.Write, (int)offset, data.Length + 1);
}
// Finish the operation
CheckResponse(SendCommand("d"));
}
catch (ProtocolException ex)
{
FireError(ex.Message);
}
catch (Exception ex)
{
FireError("Unexpected error during operation.", ex);
}
finally
{
try
{
if (m_serial != null)
{
m_serial.Close();
}
m_serial = null;
}
catch
{
// Just ignore it
}
FireConnectionStateChanged(ConnectionState.Disconnected);
Operation = Operation.Idle;
}
}
public void Read(string port, EEPROM eeprom, UInt32 offset, UInt32 size, FileInfo target)
{
if (Operation != Operation.Idle)
{
throw new InvalidOperationException("Operation already in progress.");
}
Operation = Operation.Reading;
try
{
// Establish a connection
FireConnectionStateChanged(ConnectionState.Connecting);
OpenPort(port);
FlushInput();
CheckSignature(SendCommand("!"));
FireConnectionStateChanged(ConnectionState.Connected);
// Set the EEPROM identifier
CheckResponse(SendCommand('i', eeprom.ID));
// Read the data
byte[] data = new byte[size];
UInt32 received = 0;
FireProgress(ProgressState.Read, 0, (int)size + 1, "Reading data.");
while (received < size)
{
// Ask for the next block
Response response = CheckResponse(SendCommand(String.Format("r{0:x6}", offset)));
VerifyChecksum(response.Data);
// Add it to the array
for (int i = 3; (i < (response.Data.Length - 2)) && (received < size); i++, offset++)
{
data[received++] = response.Data[i];
}
// Update progress
FireProgress(ProgressState.Read, (int)offset, (int)size + 1);
}
// Now save the data to the file
FireProgress(ProgressState.Read, (int)offset, (int)size + 1, String.Format("Saving to '{0}'", target.FullName));
File.WriteAllBytes(target.FullName, data);
}
catch (ProtocolException ex)
{
FireError(ex.Message);
}
catch (Exception ex)
{
FireError("Unexpected error during operation.", ex);
}
finally
{
try
{
if (m_serial != null)
{
m_serial.Close();
}
m_serial = null;
}
catch {
// Just ignore it
}
FireConnectionStateChanged(ConnectionState.Disconnected);
Operation = Operation.Idle;
}
}