コード例 #1
0
ファイル: DeviceLoader.cs プロジェクト: nangs/eeprog
 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;
     }
 }
コード例 #2
0
ファイル: DeviceLoader.cs プロジェクト: nangs/eeprog
 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;
     }
 }