[LinuxPPS] taming the gps18x

[Rodolfo Giometti]

On 16/03/18 10:59, Udo van den Heuvel wrote:
> On 16-03-18 10:44, Rodolfo Giometti wrote:
>>> Why isn't the clear timestamp incrementing but /is/ the assert timestamp
>>> incrementing?
>>
>> Take a look at pps_event() function into linux/drivers/pps/kapi.c. Did
>> you set PPS_CAPTURECLEAR or have you enabled clear events IRQ?
> 
> I did not change the sources w.r.t. PPS for the kernel or ntpsec.
> 
> Please explain how/where to do this.

If you see at the code you can discover that a CLEAR event is registered only if 
NTPd enables PPS_CAPTURECLEAR flags and if the hardware is configured to 
generate the CLEAR event (usually and IRQ line).

Ciao,

Rodolfo

-- 

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