fcm4711 Wrote:
> Hi Andy
> But there is a mode for remotes that do not use a carrier. The format
> is called ITT and consists of 20uS hightime and multiple of 20uS
> lowtime.
>
> To tell the firmware to send such an ITT impuls the hightime needs to
> be set to 1 and the lowtime can be set as needed. The result is a 20uS
> hightime (fixed) and the specified amount of lowtime.
>
> So it would be possible to send two different patterns for 'power on'
> and 'power off'.
>
Thanks Felix. So how much does the firmware care about sticking to the
ITT standard? Could I write something like
Code:
--------------------
begin remote
name ampswitch
bits 8
flags ITT
one 10 0
zero 0 10
begin codes
power_on 0x55
power_off 0x88
end codes
end remote
--------------------
to send straight binary? Assuming 10-bit codes are ok, this could even
be extended to add start/stop bits and send RS232-compatible codes.
Would it work?
Andy
--
cooperised
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