Re: USB Receiver Advice?

VDR User <[email protected]>
Newsgroups gmane.comp.hardware.lirc
Message-ID <CAA7C2qjNjgVB6qQGJBpeLhd2gTRCK3DWMJJRFCmhzdVDdvCHAA@mail.gmail.com>
>> My point is valid. It's inconvenient and (imo) unreasonable to suggest
>> a person should have to use a second system just to create a remote
>> config. Aside of that, they may not even have a second/desktop system
>> to use.
>
> Ok, I am going to leave it with that.
>
> But the main problem with irrecord is _not_ that it lacks a GUI. The program
> was written around 20 years ago, and we have acquired a lot of knowledge
> since then, knowledge that is not in that program. It is essentially the
> same program as Christoph Bartelmus wrote in 1998. It shows its age, and has
> a lot of problems. That is the problem, not GUI/CLI.

Yes, exactly! The lack of a gui is a benefit, it's the outdatedness
that should be address. That's why I said, "I've used irrecord in the
past both successfully and unsuccessfully. I don't know what's wrong
with it but perhaps the better option is to fix whatever is ailing it
because a command-line only config generator is certainly a useful
tool to have for a lot of people."

>>  I recall an oddity though. The remote I use
>> is supposedly 56kHz, but it works perfect with my homebrew serial ir
>> which is 38kHz. It also works with a 56kHz ir receiver I have. So is
>> the remote 56kHz or 38kHz? Or do I need to crack it open and look at
>> the components? :)
>
> You should measure the frequency of the signal. IrScrutinizer does that (of
> course assuming appropriate hardware). irrecord does not -- it basically
> supports demodulating receivers only.

I'm guessing I don't have the hardware since I don't know how to do
that. Do you know of any inexpensive options similar to how building a
homebrew serial ir is cheap?

> (Caveat: Looking at the Lirc code gives the impression that measuring
> modulation frequency was planned but never really implemented. It may be the
> case that there is a way to get a frequency measurement from irrecord
> (assuming a non-demodulating receiver or course), but I have never head of
> anyone doing it, and the documentation does not mention it.)

If true, that's not surprising. It seems a lot of stuff was planned
(years ago) but never materialized. I'm thankful there's a couple of
you guys with the necessary knowledge keeping it alive!

-Derek

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