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Full Discussion: AT commands and cygwin
Top Forums UNIX for Advanced & Expert Users AT commands and cygwin Post 302343597 by blianna on Thursday 13th of August 2009 03:48:00 AM
Old 08-13-2009
Error AT commands and cygwin
Hello!!!
I try to run this code in cygwin:

echo "AT">/dev/ttyS2
echo "AT+COPS=?">/dev/ttyS2
read $LINE</dev/ttyS2
echo $LINE

I want to communicate with serial port /dev/ttyS2 but I found some problems. I have tried to use the AT commands in Hyperterminal and it has worked...why doesn't work through shell bash???
Sorry for my bad english!!! Smilie
Byeeee
 

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LEARN ABOUT OPENDARWIN

ttys

TTYS(4)                                                      Linux Programmer's Manual                                                     TTYS(4)

NAME

       ttyS - serial terminal lines

DESCRIPTION

       ttyS[0-3] are character devices for the serial terminal lines.

       They are typically created by:

           mknod -m 660 /dev/ttyS0 c 4 64 # base address 0x3f8
           mknod -m 660 /dev/ttyS1 c 4 65 # base address 0x2f8
           mknod -m 660 /dev/ttyS2 c 4 66 # base address 0x3e8
           mknod -m 660 /dev/ttyS3 c 4 67 # base address 0x2e8
           chown root:tty /dev/ttyS[0-3]

FILES

       /dev/ttyS[0-3]

SEE ALSO

       chown(1), mknod(1), tty(4), agetty(8), mingetty(8), setserial(8)

COLOPHON

       This  page is part of release 4.15 of the Linux man-pages project.  A description of the project, information about reporting bugs, and the
       latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

Linux                                                               1992-12-19                                                             TTYS(4)
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