[LinuxPPS] [PATCH v2 2/2] pps: pps-gpio pps-echo implementation

tom burkart tom at aussec.com
Thu Sep 27 03:02:07 CEST 2018


Hi Juan,
comments below.

Quoting Juan Solano <jsm at jsolano.com>:

> * pps-gpio.txt
> I would recommend adding the new options to the example.
Sure.

> * pps-gpio.c
> Isn't the integer-based GPIO interface now deprecated?
> https://www.kernel.org/doc/Documentation/gpio/consumer.txt
I will look into it.

> Should we use high resolution timers?
The timer is just to reset the echo pin to the inactive state.  This  
is why I didn't bother.
Can anyone else please give their input?

> I have a working pps gpio output driver, working on a Beaglebone  
> Black, which uses the new descriptor-based interface. Here it is in  
> case it helps:
> https://github.com/jsln/pps-gen-gpio/
Wow, thank you, that will definitely speed things up!

Thanks for your comments!

Kind regards,

Tom Burkart
Consultant

AUSSEC Mob: 04 1768 2202 Fax: 02 9526 1230
30 Waterside Crs, Carramar NSW 2163




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