Re: Redirect stdin stdout to serial port

Yes it works ! Thanks to both of you for your help. On 3/20/2006 11:48 PM, Lev Bishop wrote: I think the solution might be a combination of both of Igor's suggestions cmnd /dev/ttyS0 0 Ie, open the port read/write on stdin and then dup it to stdout. Let me know if that works. Lev --

Redirect stdin stdout to serial port

I have to redirect both stdin stdout to com1 lrz -X -vv foo.bin /dev/ttyS0 /dev/ttyS0 bash: /dev/ttyS0: Permission denied This is working on *nix but not with Cygwin. Why ? any work around ? CYGWIN_NT-5.0 foo 1.5.20(0.155/4/2) 2006-03-19 16:11 i686 Cygwin -- Unsubscribe info:

Re: Redirect stdin stdout to serial port

On Mon, 20 Mar 2006, D.Pageau wrote: I have to redirect both stdin stdout to com1 lrz -X -vv foo.bin /dev/ttyS0 /dev/ttyS0 bash: /dev/ttyS0: Permission denied This is working on *nix but not with Cygwin. Why ? According to the strace, bash opens the port twice, using O_CREAT|O_TRUNC

Re: Redirect stdin stdout to serial port

On 2006-03-20 20:02, Igor Peshansky wrote: any work around ? Well, bash does offer an input/output redirection with the '' operator... Did you try that? Also, duplicating the file descriptor might work (e.g., /dev/ttyS0 0). no permission denied but output is still stdout /dev/ttyS0 0

Re: Redirect stdin stdout to serial port

On 3/20/06, D.Pageau wrote: no permission denied but output is still stdout This is expected, because operator says to open for read/write on descriptor 0. It doesn't say anything about stdout. /dev/ttyS0 0 no permission denied but output is not redirected to /dev/ttyS0, not stdout