Re: Allwinner H3 or H5 SoC and IR TX

Benoît-Pierre Demaine <[email protected]> Mon, 16 Jul 2018 07:02:57 +0200
Newsgroups gmane.comp.hardware.lirc
Message-ID <[email protected]>
https://sourceforge.net/p/lirc/mailman/message/36092289/

http://www.orangepi.org/orangepibbsen/forum.php?mod=viewthread&tid=3388&extra=

In short, known issue, i did not took time to write a true bug report. Second kink contains a work around. It would be better for comunity if you track it down and publish a real bug report. 

Le 16 juillet 2018 05:02:52 CEST, Colin Manning <[email protected]> a écrit :
>Hi All,
>
>I have been trying to get IR TX to work from my FriendlyArm NanoPi NEO
>Air
>(Allwinner H3) and NanoPi NEO 2 (Allwinner H5) for a month now.
>
>RX works fine.
>
>I have tried a real time kernel, and I have tried LIRC.
>
>irsend generates the following message:
>
>irsend: hardware does not support sending
>
>I have enabled the PWM GPIO in the kernel.
>
>When I try bit banging, even with the real time patch (Linux 4.14.52),
>the
>timing is not accurate enough. About 25% of the time I can get a signal
>sent that can be read by AnalysIR, and about 1% of the time, the signal
>is
>the signal I expected to send.
>
>Does anyone have suggestions on how I can make this work?
>
>Thanks,
>
>Colin.

-- Benoît-Pierre Demaine. Typos sponsorisées par mon téléphone.

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