nefarius/Nefarius.Peripherals.SerialPort
1
0
Fork 0
Code Issues Pull Requests Activity

Migrated more types

Browse Source
This commit is contained in:
Benjamin Höglinger-Stelzer 2022-10-03 19:20:01 +02:00
parent e48d103c63
commit 6f9ec4d2a4
2 changed files with 7 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Nefarius.Peripherals.SerialPort/SerialPort.cs
View File

@ -43,7 +43,7 @@ public class SerialPort : IDisposable
if (_hPort.IsInvalid)
{
if (Marshal.GetLastWin32Error() == Win32Com.ERROR_ACCESS_DENIED) return false;
if (Marshal.GetLastWin32Error() == (int)WIN32_ERROR.ERROR_ACCESS_DENIED) return false;
throw new CommPortException("Port Open Failure");
}
@ -210,7 +210,8 @@ public class SerialPort : IDisposable
}
else
{
if (Marshal.GetLastWin32Error() != Win32Com.ERROR_IO_PENDING) ThrowException("Unexpected failure");
if (Marshal.GetLastWin32Error() != (int)WIN32_ERROR.ERROR_IO_PENDING)
ThrowException("Unexpected failure");
}
}
}
@ -263,7 +264,7 @@ public class SerialPort : IDisposable
}
else
{
if (Marshal.GetLastWin32Error() != Win32Com.ERROR_IO_PENDING) ThrowException("Unexpected failure");
if (Marshal.GetLastWin32Error() != (int)WIN32_ERROR.ERROR_IO_PENDING) ThrowException("Unexpected failure");
}
}
@ -406,7 +407,7 @@ public class SerialPort : IDisposable
Marshal.WriteInt32(uMask, 0);
if (!Win32Com.WaitCommEvent(_hPort.DangerousGetHandle(), uMask, unmanagedOv))
{
if (Marshal.GetLastWin32Error() == Win32Com.ERROR_IO_PENDING)
if (Marshal.GetLastWin32Error() == (int)WIN32_ERROR.ERROR_IO_PENDING)
sg.WaitOne();
else
throw new CommPortException("IO Error [002]");
@ -425,7 +426,7 @@ public class SerialPort : IDisposable
if (((uint)errs & Win32Com.CE_RXOVER) != 0) s = s.Append("Receive Overflow,");
if (((uint)errs & Win32Com.CE_RXPARITY) != 0) s = s.Append("Parity,");
if (((uint)errs & Win32Com.CE_TXFULL) != 0) s = s.Append("Transmit Overflow,");
s.Length = s.Length - 1;
s.Length -= 1;
throw new CommPortException(s.ToString());
}
@ -439,7 +440,7 @@ public class SerialPort : IDisposable
{
if (!Win32Com.ReadFile(_hPort.DangerousGetHandle(), buf, 1, out gotbytes, unmanagedOv))
{
if (Marshal.GetLastWin32Error() == Win32Com.ERROR_IO_PENDING)
if (Marshal.GetLastWin32Error() == (int)WIN32_ERROR.ERROR_IO_PENDING)
{
Win32Com.CancelIo(_hPort.DangerousGetHandle());
gotbytes = 0;

3
Nefarius.Peripherals.SerialPort/Win32PInvoke/Win32Com.cs
View File

@ -5,9 +5,6 @@ namespace Nefarius.Peripherals.SerialPort.Win32PInvoke
{
internal class Win32Com
{
//Constants for errors:
internal const UInt32 ERROR_ACCESS_DENIED = 5;
internal const UInt32 ERROR_IO_PENDING = 997;
[DllImport("kernel32.dll")]
internal static extern Boolean GetHandleInformation(IntPtr hObject, out UInt32 lpdwFlags);