Re: [Emc-developers] I would like to contribute a "modbus to hal" component, AKA mb2hal.

2012-10-15 Thread Dave
Sounds good. Dave On 10/15/2012 7:19 PM, Victor Rocco wrote: >> On 10/11/2012 6:13 AM, andy pugh wrote: >> >>> Ideally you would need to find someone with push-access to the >>> repository who also has a modbus drive, and the time to test your >>> component. >>> >>> Finding all three at the

Re: [Emc-developers] I would like to contribute a "modbus to hal" component, AKA mb2hal.

2012-10-15 Thread Victor Rocco
>On 10/11/2012 6:13 AM, andy pugh wrote: >> Ideally you would need to find someone with push-access to the >> repository who also has a modbus drive, and the time to test your >> component. >> >> Finding all three at the same time might be difficult. >> >> However, as your component is a standalone

Re: [Emc-developers] future base kernel version

2012-10-15 Thread Charles Steinkuehler
On 10/15/2012 8:02 AM, Kent A. Reed wrote: > Before I went on holiday I had followed in Charles' footsteps to build > preempt-rt kernels and test them on several Intel and AMD boards. The > latencies I got weren't very good (although not wildly out of line with > oasdl postings) and certainly no

Re: [Emc-developers] future base kernel version

2012-10-15 Thread Lars Segerlund
There is the hwlat program in rt-tools and debugfs/tracing which will give max latencies. Note that the OSADL values are not from userspace ! Atleast the way I read ther documentation on the testing, so from userspace there will be a 'little' more jitter/latency . Here is some on the lat

Re: [Emc-developers] future base kernel version

2012-10-15 Thread Kent A. Reed
On 10/11/2012 2:12 AM, Lars Segerlund wrote: > Me thinks latest preempt-rt is preferable fx. there is a patch > that shaves 100 uS of the arm worstcase ... ( in the tty driver of all > places ) ... > > The biggest problem with preempt-rt is the tuning, to get good > results we should do a

Re: [Emc-developers] future base kernel version

2012-10-15 Thread EBo
On Mon, 15 Oct 2012 08:54:21 -0400, Kent A. Reed wrote: > On 10/11/2012 2:02 AM, Michael Haberler wrote: > >> Lars brings up a good question, namely: which kernel base version to >> use - the rt-preempt-integration and xenomai-integration branches are >> underway > > Geez. I take my wife on a hol

Re: [Emc-developers] future base kernel version

2012-10-15 Thread Kent A. Reed
On 10/11/2012 2:02 AM, Michael Haberler wrote: > Lars brings up a good question, namely: which kernel base version to use - > the rt-preempt-integration and xenomai-integration branches are underway Geez. I take my wife on a holiday and you guys get busy. Your "take" is in line with previous di