private bool SaveToFile(string FileName)
{
StreamWriter StreamWriter;
if (FileName.Length == 0)
{
SaveFileDialog SaveFileDialog = new SaveFileDialog();
SaveFileDialog.Filter = FileFilter;
SaveFileDialog.RestoreDirectory = true;
if (SaveFileDialog.ShowDialog() != DialogResult.OK)
{
return(false);
}
StreamWriter = new StreamWriter(SaveFileDialog.OpenFile());
FileName = SaveFileDialog.FileName;
}
else
{
StreamWriter = new StreamWriter(FileName);
}
foreach (Control Control in InstructionLayoutPanel.Controls)
{
PBInstructionBox InstructionControl = (PBInstructionBox)Control;
StreamWriter.WriteLine(InstructionControl.ToString());
InstructionControl.Edited = false;
}
StreamWriter.Close();
return(true);
}
private void LoadBoardButton_Click(object sender, EventArgs e)
{
try
{
// Initialize the board
Program.SpinAPI.Init();
// Set the clock
Program.SpinAPI.SetClock(ClockFrequency);
// Start programming
Program.SpinAPI.StartProgramming(ProgramTarget.PULSE_PROGRAM);
// Load the instructions
foreach (Control Control in this.InstructionLayoutPanel.Controls)
{
PBInstructionBox Instruction = (PBInstructionBox)Control;
Program.SpinAPI.PBInst(Instruction.Flags, Instruction.OpCode, Instruction.Data, Instruction.Duration, Instruction.TimeUnit);
}
// Stop programming
Program.SpinAPI.StopProgramming();
// Report success
MessageBox.Show("Loaded board successfully.");
}
catch (SpinAPIException ex)
{
// Report any programming errors
MessageBox.Show("Failed to program board: " + ex.Message);
}
}
public PBInstructionMemento(PBInstructionBox Parent)
: base(Parent)
{
_Duration = Parent.Duration;
_TimeUnit = Parent.TimeUnit;
_Flags = Parent.Flags;
_OpCode = Parent.OpCode;
_Data = Parent.Data;
}
private void OpenFileMenuStripItem_Click(object sender, EventArgs e)
{
Stream Stream;
StreamReader StreamReader;
OpenFileDialog OpenFileDialog = new OpenFileDialog();
if (!ContinueWithUnsavedChanges())
{
return;
}
OpenFileDialog.Filter = FileFilter;
OpenFileDialog.RestoreDirectory = true;
if (OpenFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
Stream = OpenFileDialog.OpenFile();
// An exception should probably be thrown if this happens, but for now, return.
if (Stream == null)
{
return;
}
StreamReader = new StreamReader(Stream);
CurrentFileName = OpenFileDialog.FileName;
InstructionLayoutPanel.Controls.Clear();
while (!StreamReader.EndOfStream)
{
string[] Fields = StreamReader.ReadLine().Split(new char[] { ' ' });
PBInstructionBox InstructionControl = new PBInstructionBox();
InstructionLayoutPanel.Controls.Add(InstructionControl);
InstructionControl.Flags = int.Parse(Fields[0], System.Globalization.NumberStyles.AllowHexSpecifier);
InstructionControl.OpCode = (OpCode)int.Parse(Fields[1], System.Globalization.NumberStyles.AllowHexSpecifier);
InstructionControl.Data = int.Parse(Fields[2], System.Globalization.NumberStyles.AllowHexSpecifier);
InstructionControl.Duration = double.Parse(Fields[3]);
InstructionControl.TimeUnit = (TimeUnit)Enum.Parse(typeof(TimeUnit), Fields[4]);
InstructionControl.Number = InstructionLayoutPanel.Controls.Count - 1;
InstructionControl.Edited = false;
}
InstructionCountUpDown.Value = InstructionLayoutPanel.Controls.Count;
StreamReader.Close();
}
public void SetInstructionStyle(PBInstructionBox Instruction, PBInstructionBox.FlagStyle Style)
{
try
{
if (Instruction.InvokeRequired)
{
Invoke(new SetInstructionStyleCallback(SetInstructionStyle), new object[] { Instruction, Style });
}
else
{
Instruction.Style = Style;
}
}
catch (Exception)
{
}
}
/// <summary>
/// Check the instructions for unsaved changes. If there are, prompt the user for whether to continue.
/// </summary>
/// <returns>true if there are no unsaved changes or the user has chosen to disregard unsaved changes, false otherwise.</returns>
private bool ContinueWithUnsavedChanges()
{
foreach (Control Control in InstructionLayoutPanel.Controls)
{
PBInstructionBox InstructionControl = (PBInstructionBox)Control;
if (InstructionControl.Edited)
{
DialogResult Result = MessageBox.Show("The current program has unsaved changes. Continue?", "Unsaved Changes...", MessageBoxButtons.YesNo);
if (Result == DialogResult.Yes)
{
return(true);
}
else
{
return(false);
}
}
}
return(true);
}
private void NewFileStripMenuItem_Click(object sender, EventArgs e)
{
if (!ContinueWithUnsavedChanges())
{
return;
}
// This fires a ValueChanged event on InstructionCountUpDown, so it's before setting the new blank instructions.
InstructionCountUpDown.Value = 2;
InstructionLayoutPanel.Controls.Clear();
for (int i = 0; i < InstructionCountUpDown.Value; i++)
{
PBInstructionBox InstructionControl = new PBInstructionBox();
InstructionLayoutPanel.Controls.Add(InstructionControl);
// Index instructions from zero.
InstructionControl.Number = InstructionLayoutPanel.Controls.Count - 1;
}
CurrentFileName = "";
}
private void InstructionCountUpDown_ValueChanged(object sender, EventArgs e)
{
Command Command;
int OldInstructionCount = this.InstructionLayoutPanel.Controls.Count;
int NewInstructionCount = (int)this.InstructionCountUpDown.Value;
if (NewInstructionCount > OldInstructionCount)
{
for (int i = OldInstructionCount; i < NewInstructionCount; i++)
{
PBInstructionBox Instruction = new PBInstructionBox();
Instruction.ValueChanged += new EventHandler(Instruction_ValueChanged);
Command = new AddInstructionCommand(this, Instruction);
Command.Execute();
History.Push(Command);
Future.Clear();
RedoEditMenuStripItem.Enabled = false;
}
}
else if (NewInstructionCount < OldInstructionCount)
{
for (int i = OldInstructionCount; i > NewInstructionCount; i--)
{
PBInstructionBox Instruction = (PBInstructionBox)InstructionLayoutPanel.Controls[InstructionLayoutPanel.Controls.Count - 1];
Command = new RemoveInstructionCommand(this, Instruction);
Command.Execute();
History.Push(Command);
Future.Clear();
RedoEditMenuStripItem.Enabled = false;
}
}
this.UndoEditMenuStripItem.Enabled = true;
}
public RemoveInstructionCommand(MainForm Parent, PBInstructionBox Instruction)
{
this.Parent = Parent;
this.Instruction = Instruction;
}
private void MainForm_Load(object sender, EventArgs e)
{
// Can only change board number if there are boards.
this.BoardNumberUpDown.Enabled = (Program.SpinAPI.BoardCount > 0);
// BoardNumberUpDown.Maximum is one less than the number of boards.
// But, if there are no boards, it must be set to 0 so setting Value
// does not throw an OutOfBoundsException.
this.BoardNumberUpDown.Maximum = (Program.SpinAPI.BoardCount > 0) ? Program.SpinAPI.BoardCount - 1 : 0;
this.BoardNumberUpDown.Value = this.BoardNumber;
// Can only use the board control buttons if there are boards.
this.ControlGroupBox.Enabled = (Program.SpinAPI.BoardCount > 0);
// Display the firmware id of the board if there is one.
this.FirmwareIDTextBox.Text = (Program.SpinAPI.BoardCount > 0) ? this.FirmwareID(this.BoardNumber) : "";
this.VersionTextBox.Text = Program.SpinAPI.Version;
this.ClockFreqTextbox.Text = ClockFrequency.ToString();
// Set some minimum number of instructions for the program specified
// by InitialInstructionCount and prepare some PBInstructionControls.
for (int i = 0; i < MainForm.InitialInstructionCount; i++)
{
PBInstructionBox Instruction = new PBInstructionBox();
Instruction.ValueChanged += new EventHandler(this.Instruction_ValueChanged);
Instruction.Number = this.InstructionLayoutPanel.Controls.Count;
try
{
Instruction.Style = LookupStyle(Program.SpinAPI.GetFirmwareID(this.BoardNumber));
}
catch (SpinAPIException exc)
{
MessageBox.Show("Can not detect board. Please check connections.", exc.Source);
Close();
}
InstructionLayoutPanel.Controls.Add(Instruction);
}
if (this.InstructionLayoutPanel.Controls.Count > 0)
{
// We're using the padding setting of InstructionLayoutPanel to center the
// PBInstructionBox controls inside.
int SidePadding = (this.InstructionLayoutPanel.Width - InstructionLayoutPanel.Controls[0].Width) / 2;
this.InstructionLayoutPanel.Padding = new Padding(SidePadding, 5, SidePadding, 5);
}
// The following menu items are not implemented and thus left invisible.
this.UndoEditMenuStripItem.Enabled = false;
this.RedoEditMenuStripItem.Enabled = false;
PrintFileMenuStripItem.Visible = false;
PrintPreviewFileMenuStripMenuItem.Visible = false;
FileMenuStripSeparator2.Visible = false;
EditMenuStripSeparator0.Visible = false;
CutEditMenuStripItem.Visible = false;
CopyEditMenuStripItem.Visible = false;
PasteEditMenuStripItem.Visible = false;
EditMenuStripSeparator1.Visible = false;
SelectAllEditMenuStripItem.Visible = false;
ToolsMenuStripItem.Visible = false;
ContentsHelpMenuStripItem.Visible = false;
IndexHelpMenuStripItem.Visible = false;
SearchHelpMenuStripItem.Visible = false;
HelpMenuStripSeparator0.Visible = false;
}