[ltp] Re: IBM HDAPS Someone interested?

Lee Revell linux-thinkpad@linux-thinkpad.org
Tue, 21 Jun 2005 11:37:38 -0400


On Mon, 2005-06-20 at 17:30 -0400, Adam Goode wrote:
> Freefall detection: 300 ms
> Head park time: 300-500 ms
>   (from page 2 of document)
> 
> Still doesn't seem too bad to figure out how to code though, at least
> once we can figure out how to get the data stream!
> 
> P.S. The main control system runs as a Windows kernel driver. Not as
> safe as full hardware, but probably better than userspace. :)
> 

Ugh, if userspace can't meet a 300ms RT constraint, that's a pretty
shitty OS you have there.

This should certainly be done in userspace on Linux.

Lee