Hi Ian,
That's exciting! I clearly should have looked a bit harder before posting. Is there any special
config? Or is it sufficient to instantiate another shell with a different file descriptor for IO?
Isaac
On 10/04/2015 09:22 PM, Ian Caddy wrote:
Hi Isaac,
On 3/10/2015 4:24 AM, Isaac Gutekunst wrote:
Hey,
The hack would be that file descriptors 0,1 and 2 are not part of a
global namespace of file descriptors, and potentially refer to different
actual IO devices on a per task basis.
The motivation here would be creating a more functional shell and
support easy IO redirection for logging, and running multiple shell
instances, perhaps via multiple telnet and serial sessions.
Maybe I am missing something, but we do all this currently with the shell.
We have a serial port access, and we have multiple telnet / ssh access to our
devices providing
multiple shells with no problems.
We also redirect the stdio for all the application tasks to print to an
application log instead
on the shell. This is all completely doable now, as as far as I know newlib
provides a per
task stdin, etc.
Just start your task and point them where you want them to go.
regards,
Ian Caddy
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