protected USB2LCD.VersionInfo GetCOMVersion(string port)
{
COM c = null;
USB2LCD.VersionInfo v = new USB2LCD.VersionInfo();
try
{
c = new COM(port, 9600);
v.version = c.ReadByte(USB2LCD.Command.ReadVersion);
v.module = c.ReadByte(USB2LCD.Command.ReadModuleType);
v.serialnumber = c.ReadShort(USB2LCD.Command.ReadSerialNum);;
c.Close();
}
catch (COMException ex)
{
ex.Show(this);
}
catch (Exception ex)
{
MessageBox.Show(this, "The COM port caused an error:\n"+ex.Message, "COM Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
if (c != null) c.Close();
}
return v;
}
protected USB2LCD.VersionInfo GetVersion()
{
COM c = null;
USB2LCD.VersionInfo v = new USB2LCD.VersionInfo();
try
{
c = new COM(port, Baud);
v.version = c.ReadByte(USB2LCD.Command.ReadVersion);
v.module = c.ReadByte(USB2LCD.Command.ReadModuleType);
v.serialnumber = c.ReadShort(USB2LCD.Command.ReadSerialNum);
c.Close();
}
catch (COMException ex)
{
ex.Show(this);
}
catch (Exception ex)
{
ShowErrorMessage("The COM port caused an error:\n"+ex.Message, "COM Error");
}
finally
{
if (c != null) { c.Close(); }
}
return v;
}
private void UpdateFirmware()
{
int retval;
// get the HEX file to use
if (ShowFileDialog() == DialogResult.OK)
{
retval = USB2LCD.CheckHEXfile(openFileDialog.FileName);
if (retval < 0)
{
ShowErrorMessage("The selected file could not be read / parsed: "+retval, "File Error");
EnableForm(true);
return;
}
}
else
{
EnableForm(true);
return;
}
this.BeginInvoke(new Func<DialogResult, IWin32Window, string, string>(ProgressDialog.ShowModal), this, "Firmware Update", "Please wait while the device resets...");
int[] ids = USB2LCD.GetBootloaderIds();
ushort serial;
bool unique = true;
COM c = null;
try
{
c = new COM(port, Baud);
serial = c.ReadShort(USB2LCD.Command.ReadSerialNum);
for (int i = 0; i < ids.Length && unique; i++)
unique = USB2LCD.GetBootloaderVersion(ids[i]).serialnumber != serial;
c.SendCmd(USB2LCD.Command.Firmware);
}
catch (COMException ex)
{
ProgressDialog.CloseForm();
ex.Show(this);
EnableForm(true);
return;
}
catch (Exception ex)
{
ProgressDialog.CloseForm();
ShowErrorMessage("There was an error:\n"+ex.Message, "Error");
EnableForm(true);
return;
}
finally
{
if (c != null) { c.Close(); }
}
Thread.Sleep(2000); // takes about 3 seconds, so we might as well just not even check for a little bit
// We keep checking the attached devices until a bootloader device shows up that wasn't there before
int[] new_ids;
int id = -1;
int tries_left = 114; // about 30 seconds max of waiting
do
{
Thread.Sleep(250);
new_ids = USB2LCD.GetBootloaderIds();
} while (((id = findDifference(unique, serial, ids, new_ids)) == -1) && (--tries_left > 0));
if (id == -1)
{
ProgressDialog.CloseForm();
ShowErrorMessage("The device never showed up after resetting. Try to unplug it, close LCD Setter, plug it back in again, and start LCD Setter again.","Firmware Update Problem");
EnableForm(true);
return;
}
ProgressDialog.SetText("Updating firmware...");
ProgressDialog.SetProgressStyle(false);
retval = USB2LCD.UpdateFirmware(id, openFileDialog.FileName, ProgressDialog.SetProgress);
ProgressDialog.CloseForm();
if (retval != USB2LCD.SUCCESS)
ShowErrorMessage("The firmware failed to update (error: "+retval+").\nTry to unplug the device, close LCD Setter, plug the device back in again, and start LCD Setter again.","Firmware Update Problem");
else
ShowMessage("The firmware was successfully updated.\n\nYou must unplug the device and plug it back in to complete the update.\n\nSome saved settings may have changed during this process.","Firmware Updated Successfully",MessageBoxIcon.None);
EnableForm(true);
}
private void SetSerial()
{
COM c = null;
try
{
c = new COM(port, Baud);
ushort cur = c.ReadShort(USB2LCD.Command.ReadSerialNum);
//string str = Microsoft.VisualBasic.Interaction.InputBox("Enter 4 hex digits for the ID:", "Set ID", cur.ToString("X4"), -1, -1).Trim(); // TODO: remove Microsoft-specific usage
//if (str.Length == 0)
// return;
//ushort serial = Convert.ToUInt16(str, 16);
//c.SendCmd(USB2LCD.Command.SetSerialNum, serial);
}
catch (COMException ex)
{
ex.Show(this);
}
catch (Exception ex)
{
ShowErrorMessage("There was an error:\n"+ex.Message, "Error");
}
finally
{
if (c != null) { c.Close(); }
EnableForm(true);
}
UpdateVersionInfo();
}