On 3/4/2020 9:13 AM, Richard Cochran wrote:
> On Tue, Feb 18, 2020 at 01:19:09PM -0800, Jacob Keller wrote:
>>> +bool interface_tsinfo_valid(struct interface *iface)
>>> +{
>>> + return iface->ts_info.valid ? true : false;
>>> +}
>>
>> Do you actually need the ternary here? shouldn't ts_info.vali
On 3/4/2020 9:06 AM, Richard Cochran wrote:
> On Tue, Feb 18, 2020 at 01:07:52PM -0800, Jacob Keller wrote:
>>
>> Good, the name is marked as constant. Side note, for those interface_*
>> functions that don't modify the interface, does it make sense to mark
>> them as taking a const interface point
On 3/4/2020 9:19 AM, Richard Cochran wrote:
> On Tue, Feb 18, 2020 at 01:25:00PM -0800, Jacob Keller wrote:
>>
>> I still think it would be good to have the functions guarantee the NULL
>> by manually assigning or using one of the string copy implementations
>> that will guarantee it. That way they
On 3/4/2020 9:24 AM, Richard Cochran wrote:
> On Tue, Feb 18, 2020 at 01:32:01PM -0800, Jacob Keller wrote:
>> I'd appreciate if there was some way to ensure we catch the interface
>> structure layout changing such that the definitions in clock.c and
>> config.c aren't compatible with interface.c a
On 3/5/2020 8:19 AM, Frantisek Rysanek wrote:
> during the initial settling of the PHC frequency / servo loop,
> I can see offsets in low units of ns, not aligned in any way.
> But: once the PHC settles to offset==0 && ppb==0,
> any measured edges captured via EXTTS channel 0 or 1
> will be quantis
On 3/5/2020 1:11 AM, Frantisek Rysanek wrote:
> And another sideways question is: in the i210 hardware, there's a
> register called SYSTIMR, supposedly holding the fraction of a
> nanosecond (= sub-nanosecond resolution). And this register is
> ignored by the igb driver in Linux - first and fore
On 3/4/2020 8:59 AM, Richard Cochran wrote:
> On Tue, Feb 18, 2020 at 11:38:43AM -0800, Jacob Keller wrote:
>>
>> Is there a way to generate the network of how interconnected the various
>> object files are?
>
> The .d files have the includes. I once wrote a script to turn the .d
> files into a d
On 3/4/2020 8:56 AM, Richard Cochran wrote:
> On Tue, Feb 18, 2020 at 11:33:32AM -0800, Jacob Keller wrote:
>> So the interface.o isn't being added to something like $(CONFIG)?
>
> I like the idea, but I'll leave that as a follow-on task.
>
> Thanks,
> Richard
>
Yea makes sense. I don't see a r
...so I've tried myselfs.
I've re-written my proggie to first settle the PHC using EXTTS CH0
to the external reference PPS, and then switch EXTTS CH0
to the measured PPS signal (reconfigure the CH0
to take input from the second SDP input).
Guess what: the measured deviations are still quantised pe
...just a partial update, I've changed the way the servo loop's
runtime values are printed - namely the ppb frequency correction
value, as returned by servo_sample() in a double float type.
If I have it printed with 20 decimal places after the dot,
I can see that it quickly converges to some resi
Dear gentlemen,
after two years of silence, I've played some more with my multiport
i210 test rig... I now have 4 ports of i210, two of them metallic,
two of them fiber optic (with Gigabit SERDES SFP slots).
And I've hacked the optical cards to have SDP0 and SDP3 inputs,
as well as the obvious 2
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