Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 07 Aug 2009 12:06:48 -0700
From:      Chris Stankevitz <cstankevitz@toyon.com>
To:        freebsd-questions@freebsd.org
Subject:   Time quantization when reading from serial port
Message-ID:  <4A7C7B48.2060505@toyon.com>

next in thread | raw e-mail | index | archive | help

I receive data on the serial port (flags O_NONBLOCK, VMIN=0, VTIME=0, 
B115200).  The time the data shows up is quantized to 5ms.  Where does 
this 5ms quantization comes from?

Increasing kern.hz to 10000 does not reduce this effect.

Thank you,

Chris



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4A7C7B48.2060505>