Help getting ruby-serialport to run in Windows XP

  • Thread starter Eduardo Aldaz-carroll
  • Start date

E

Eduardo Aldaz-carroll

Dear All

I have not been able to make ruby-serialport in Windows XP.
http://ruby-serialport.rubyforge.org/
I have looked hard in the web and forums and have not been able to find
help, although i have found many people that have been equaly
unsuccesful.

It would be really great to have ruby-serialport work in Windows, it
already works well in linux and cygwin (at least for me)

I have succesfully compiled for windows following the excellent
instructions in:
http://blogs.law.harvard.edu/hoanga/2006/12/14/getting-a-ruby-c-extension-to-compile-on-windows/
It essential to read Part II)
http://blogs.law.harvard.edu/hoanga...uby-c-extension-to-compile-on-windows-part-2/

However no matter what i do when running the miniterm.rb example the
program fails with:
(eval):3:in `create': No such file or directory (Errno::ENOENT)
from (eval):3:in `new'
from miniterm.rb:11

I have painfully tracked (I think) the problem down to this part of the
serialport.c code:

rb_eval_string(
"class SerialPort\n"

"private_class_method:)create)\n"

"def SerialPort::new(port, *params)\n"
"sp = create(port)\n" <============ BREAKS HERE
"begin\n"
"sp.set_modem_params(*params)\n"
(...)

It would be great if someone more skilled could give me a hand with
this, I have reached the limits of my (also limited) knowledge.

Or even if someone could give me a compiled and working serialport.so
for windows XP would probably be good enough.

Thank you all
Eduardo
 
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J

Jonathan Hudson

Dear All

I have not been able to make ruby-serialport in Windows XP.
http://ruby-serialport.rubyforge.org/
I have looked hard in the web and forums and have not been able to find
help, although i have found many people that have been equaly
unsuccesful.

It would be really great to have ruby-serialport work in Windows, it
already works well in linux and cygwin (at least for me)

I have succesfully compiled for windows following the excellent
instructions in:
http://blogs.law.harvard.edu/hoanga/2006/12/14/getting-a-ruby-c-extension-to-compile-on-windows/
It essential to read Part II)
http://blogs.law.harvard.edu/hoanga...uby-c-extension-to-compile-on-windows-part-2/

However no matter what i do when running the miniterm.rb example the
program fails with:
(eval):3:in `create': No such file or directory (Errno::ENOENT)
from (eval):3:in `new'
from miniterm.rb:11

I've found that on the odd occassion I have to use serialport on
Win32, using the following:

Kernel::require 'serialport'

vice plain require, avoids its unhappiness with rubygems.

Has no adverse affect on Linux.


-jonathan
 
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E

Eduardo Aldaz-carroll

Hi Jonathan,
Thanks for the tip
Kernel::require 'serialport'
does indeed help, very nice! I was calling the program with
ruby -rselrialport miniterm.rb , which is not as clean.

Unfortunately this does not address the original problem i still get the
same error message:

C:>ruby miniterm.rb COM9 9600 8 1
(eval):3:in `create': No such file or directory (Errno::ENOENT)
from (eval):3:in `new'
from miniterm.rb:11

Do you not get this error? Have you modified the source code? Do you
think you could send me your .so ? any pointers on how to get this to
work would be greatly appreciated!
I use both linux and windows and would love to be able to use the same
serialport extension for both.

Thanks again
Eduardo
 

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