Serial communication on octave for windows

[Tatsuro MATSUOKA]

Hello

On one of the Octave threads in Japan, topic of the serial comminucation octave 
are posted.
I do not know serial commucation on windows because I usually use vb6+OCX.

I found the below from the Nabble search,
http://www.nabble.com/RS232-Serial-Comms-to7009561.html#a7009561

However the topic is rather old.  Have the situation been changed ?

The below is the translataion from questioner (translated Japanese by me)

***********************************************************************
In octave on cygwin
octave>f=fopen('/dev/ttyS0','r+'); 
makes open com1 
octave>fprintf(f,'ATI\n'); 
sometime reliarize the writting commamds, however read from device fails
octave>id=fscanf(f,'%s') 
make octave hangup.
Thefore just after fopen it is required to execute 
octave>fcntl(f,F_SETFL,O_NONBLOCK) 

(Modem in Note PCs' are almost software modem and then AT codes sometimes is 
failed)

In MSVC and Mingw octave 
octave>fcntl(f,F_SETFL,O_NONBLOCK)
cannot work.

So I do not execute fcntl and execute f=fopen('COM1','r+') wihout fcntl does 
not give an error and
file handle =3 returns. 
However, fscanf gets junk data from buffer somewhere else but not COM1. 
***************************************

Any suggestion?

Regards

Tatsuro

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