serial port program

1998-12-30 Thread jinranlin

hi,
I need to make a program to control RS232 port, does anybody know how to do
it using java?
thanks for lot and happy new year

Jerry



Re: still no GUI on alpha

1998-12-30 Thread jinranlin

hello,
I think you might need to check the path of file classes.zip , and add this
path to enviroment variable CLASSPATH .
Hope it helpful.
Jerry

--
> ·¢¼þÈË: David Harvill <[EMAIL PROTECTED]>
> ÊÕ¼þÈË: [EMAIL PROTECTED]
> Ö÷Ìâ: still no GUI on alpha
> ÈÕÆÚ: 1998Äê12ÔÂ30ÈÕ 8:20
> 
> I have a simple little gui file, gTest.java.
> 
> % cat gTest.java
> import java.awt.*;
> public class gTest
> {
> public static void main(String args[])
> {
> Frame f = new Frame();
> f.resize(100,100);
> f.setLayout(new BorderLayout());
> f.add(new Label("Greetings"), "South");
> f.show();
> }
> }
> 
> 
> when i run it, I get the following error:
> 
> % java gTest
> libXm.so.1: cannot open shared object file: No such file or directory
> (libawt.so)
> java.lang.UnsatisfiedLinkError:
> no awt in shared
> library path
> at java.lang.Runtime.loadLibrary(Runtime.java)
> at java.lang.System.loadLibrary(System.java)
> at 
> at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:394)
> at java.awt.Window.getToolkit(Window.java:230)
> at java.awt.Frame.addNotify(Frame.java:203)
> at java.awt.Window.show(Window.java:145)
> at gTest.main(gTest.java:10)
> 
> (Occasionnaly I get a similar error, but looking for libc.so.6 instead of
> libXm.so.1)
> 
> 
> One person suggest I check my LD_LIBRARY_PATH variable:
> 
> % echo $LD_LIBRARY_PATH 
>
/usr/X11R6/lib:/usr/local/jdk117/lib/alpha_21164/green_threads:/lib:/usr/lib

> 
> Here is each of those directories.  Anyone have an idea as to what might
> be wrong?  (Anything not GUI seems to work just fine)
> 
> -dave
> 
> 
> % ls -l /usr/X11R6/lib
> total 12698
> drwxr-xr-x   3 root root 1024 Dec  8 10:58 GNUstep
> drwxr-xr-x  16 root root 1024 Dec  8 11:21 X11
> drwxr-xr-x   2 root root 1024 Dec  7  2018 asdm
> lrwxrwxrwx   1 root root   13 Aug 28  2018 libICE.so.6 ->
> libICE.so.6.3
> -rwxr-xr-x   1 root root   165306 Oct  9 21:12 libICE.so.6.3
> lrwxrwxrwx   1 root root   14 Dec 14 23:00 libMrm.so.0 ->
> libMrm.so.0.79
> -rw-r--r--   1 root root   336105 Jun  3  1997 libMrm.so.0.79
> lrwxrwxrwx   1 root root   14 Aug 28  2018 libPEX5.so.6 ->
> libPEX5.so.6.0
> -rwxr-xr-x   1 root root   469959 Oct  9 21:12 libPEX5.so.6.0
> lrwxrwxrwx   1 root root   12 Aug 28  2018 libSM.so.6 ->
> libSM.so.6.0
> -rwxr-xr-x   1 root root71648 Oct  9 21:12 libSM.so.6.0
> -rw-r--r--   1 root root   586096 Oct 13 12:29 libWINGs.a
> -rw-r--r--   1 root root20544 Oct 13 12:29 libWMaker.a
> lrwxrwxrwx   1 root root   13 Aug 28  2018 libX11.so.6 ->
> libX11.so.6.1
> -rwxr-xr-x   1 root root  1549115 Oct  9 21:12 libX11.so.6.1
> lrwxrwxrwx   1 root root   13 Aug 28  2018 libXIE.so.6 ->
> libXIE.so.6.0
> -rwxr-xr-x   1 root root   121659 Oct  9 21:12 libXIE.so.6.0
> lrwxrwxrwx   1 root root   13 Aug 28  2018 libXaw.so.6 ->
> libXaw.so.6.1
> -rwxr-xr-x   1 root root   533109 Oct  9 21:12 libXaw.so.6.1
> lrwxrwxrwx   1 root root   15 Aug 28  2018 libXaw3d.so.6 ->
> libXaw3d.so.6.1
> -rwxr-xr-x   1 root root   603472 Oct 14 10:02 libXaw3d.so.6.1
> lrwxrwxrwx   1 root root   14 Aug 28  2018 libXext.so.6 ->
> libXext.so.6.3
> -rwxr-xr-x   1 root root   116475 Oct  9 21:12 libXext.so.6.3
> lrwxrwxrwx   1 root root   12 Aug 28  2018 libXi.so.6 ->
> libXi.so.6.0
> -rwxr-xr-x   1 root root77555 Oct  9 21:12 libXi.so.6.0
> lrwxrwxrwx   1 root root   10 Dec 28 18:44 libXm.so ->
> libXm.so.1
> lrwxrwxrwx   1 root root   13 Dec 14 23:00 libXm.so.0 ->
> libXm.so.0.79
> -rw-r--r--   1 root root  7007644 Jun  3  1997 libXm.so.0.79
> lrwxrwxrwx   1 root root   10 Dec 16 15:50 libXm.so.1 ->
> libXm.so.0
> lrwxrwxrwx   1 root root   13 Aug 28  2018 libXmu.so.6 ->
> libXmu.so.6.0
> -rwxr-xr-x   1 root root   177454 Oct  9 21:12 libXmu.so.6.0
> lrwxrwxrwx   1 root root   12 Aug 28  2018 libXp.so.6 ->
> libXp.so.6.2
> -rwxr-xr-x   1 root root67423 Oct  9 21:12 libXp.so.6.2
> lrwxrwxrwx   1 root root   14 Aug 28  2018 libXpm.so.4 ->
> libXpm.so.4.10
> -rwxr-xr-x   1 root root   122593 Aug 13 09:56 libXpm.so.4.10
> lrwxrwxrwx   1 root root   12 Aug 28  2018 libXt.so.6 ->
> libXt.so.6.0
> -rwxr-xr-x   1 root root   675401 Oct  9 21:12 libXt.so.6.0
> lrwxrwxrwx   1 root root   14 Aug 28  2018 libXtst.so.6 ->
> libXtst.so.6.1
> -rwxr-xr-x   1 root root43976 Oct  9 21:12 libXtst.so.6.1
> lrwxrwxrwx   1 root root   57 Dec 16 15:46 libawt.so ->
> /usr/local/jdk117/lib/alpha_21164/green_threads/libawt.so
> -rw-r--r--   1 root root   176340 Oct 13 12:29 libwraster.a
> drwxr-xr-x   2 root root