Yes, indeed, but less portable.
Anyway, I always had driver trouble with those kind of devices and
finally ended up buying a Scanalogic one.
Le 04-09-23 à 12:19, vsurducan a écrit :
There is something cheaper for debugging data. It worth more than a
Tektronix MSO4104 with logic analyzer but without having decoding
card....
https://www.aliexpress.com/item/1005002399378513.html
On Mon 4 Sep 2023, 12:46 PM David VB, <[email protected]> wrote:
Hi,
In case you didn't know, this cute little device enables you to
retrieve the codes in hex format of IR emitter
DSO TC-3
It's inexpensive (around 65 €) and receives much appraisal in the
reviews I've seen so far.
It is also a portable basic oscilloscope, signal generator and
component tester
There are several videos on YouTube that you can search for, and
it is available from Elektor, Amazon, AliExpress etc....
Hope this helps....
Le dimanche 3 septembre 2023 à 19:23:27 UTC+2, Rob CJ a écrit :
Hi Hans,
Your plan is to send Daikin commands to your airconditioning
and you need some software to get the commands that you need?
I think the commands you need can be found on the internet
(you will nog be the first person who wants to do that).
If you have the commands from the internet, then the only
thing remaining is sending out the data according to the
protocol, correct?
I found this by Googlw:
https://github.com/blafois/Daikin-IR-Reverse or
https://www.instructables.com/Reverse-engineering-of-an-Air-Conditioning-control/
<https://www.instructables.com/Reverse-engineering-of-an-Air-Conditioning-control/>
Reverse Engineering Air Conditioner IR Remote Control Protocol
<https://www.instructables.com/Reverse-engineering-of-an-Air-Conditioning-control/>
Reverse Engineering Air Conditioner IR Remote Control
Protocol: Hi, this is my first instructable, hope you like it.
To get into electronics I chose a home automation project: a
system allowing me to control and program both air conditioner
units in my flat. In this instructable I show how I got to
understa…
www.instructables.com <http://www.instructables.com>
So when you have the commands you can use the software you
already created to send the data out.
Is my assumption correct or is it something else you want to
achieve?
Thanks.
Kind regards,
Rob
------------------------------------------------------------------------
*Van:* [email protected] <[email protected]>
namens hans <[email protected]>
*Verzonden:* zondag 3 september 2023 16:05
*Aan:* jallib <[email protected]>
*Onderwerp:* Re: [jallib] DAIKIN REMOTE
Okay Rob.
After 4 days of struggling and a mess of results, I followed
my wife's advice. I'm going to start with the old graphics
approach.
Make an audio recording, greatly enlarge and print it and
then write down the series of zeros and ones
. For example, I made my circuit earlier and last winter it
switched the air conditioners on and off according to the
program as heating.
Remains with me the respect for the programs you all can make.
regards
Hans
Op donderdag 31 augustus 2023 om 18:48:01 UTC+2 schreef Rob CJ:
Hi Hans,
What you could do is modify the NEC decoder library and
change the bit times and the number of bits. Since you
know which bit time is 1 and which is 0 this should be
douable.
The NEC prototol also starts with a pulse more or less the
same as the Daikin, followed by bytes of data and a stop bit.
You find the info in the library. The protocol is as follows.
-- Specification of NEC IR protocol:
-- Logical '0': A 562.5 us pulse burst followed by a 562.5
us space,
-- with a total transmit time of 1.125 ms
-- Logical '1': A 562.5 us pulse burst followed by a
1.6875ms space,
-- with a total transmit time of 2.25 ms
-- *) Start with 9 ms leading pulse burst (16 times the
pulse burst length used
-- for a logical data bit) followed by a a 4.5 ms space.
-- *) 8-bit address for the receiving device or 16 bit for
the extended protocol
-- *) 8-bit logical inverse of the address or high byte
for the extended protocol.
-- *) 8-bit command.
-- *) 8-bit logical inverse of the command.
-- *) Final 562.5 us pulse burst to signify the end of
message transmission.
-- *) The four bytes of data bits are each sent least
significant bit first.
-- *) After a command is tranmitted and the key on the
remote control is still
-- pressed only a repeat message is sent consisting of
a start pulse of
-- 9 ms, followed by a 2.25 ms space.
Kind regards,
Rob
------------------------------------------------------------------------
*Van:* [email protected] <[email protected]>
namens hans <[email protected]>
*Verzonden:* donderdag 31 augustus 2023 12:00
*Aan:* jallib <[email protected]>
*Onderwerp:* Re: [jallib] DAIKIN REMOTE
The remote control read on a KY-022 is HIGH at rest.
1. 350 us low
2. 120 us high
3. Then always the 19 bytes burst = 450 us, 0 =350 and 1 =1190
4. Followed by 19 bytes of which the first 4 are always
equal 17,218,39,0
I am now reading this out in an audio program and then
puzzle the matter out.
Is this a way for someone who handles pics ?? / Yes, for a
klutz like me it is. Unless some Jal_scholar can help me
with a program that just reads that array of values.
Op dinsdag 29 augustus 2023 om 19:44:02 UTC+2 schreef hans:
This info is not correct for my units but helped me to
understand. https://github.com/blafois/Daikin-IR-Reverse
Op dinsdag 29 augustus 2023 om 19:31:49 UTC+2 schreef
hans:
Hi Rob
Thank you.
NEC is therefore:
-- Logical '0': A 562.5 us pulse burst followed by
a 562.5 us space,
-- with a total transmit time of 1,125 ms
-- Logical '1': A 562.5 us pulse burst followed by
a 1.6875ms space,
-- with a total transmit time of 2.25 ms
My system currently works with:
-- Logical '0': usec_delay(450) pulse burst
followed by a usec_delay(350) space,
-- with a total transmit time of 800
-- Logical '1': usec_delay(450pulse burst followed
by a usec_delay(1190) space,
-- with a total transmit time of 1640
Some publications mention 500 followed by 440 or
1300 uS
If I am able to read the different ranges of the
remote control, I think I can get further.
regards
Hans
Op dinsdag 29 augustus 2023 om 18:43:48 UTC+2
schreef Rob CJ:
Hi Hans,
What I see on Internet about the Daikin
protocol is that the message length is not
always the same and that is not the same as
the NEC protocol which has a fixed length.
But I may be wrong. I attached the two files
to this discussion.
Kind regards,
Rob
------------------------------------------------------------------------
*Van:* [email protected]
<[email protected]> namens hans
<[email protected]>
*Verzonden:* dinsdag 29 augustus 2023 16:44
*Aan:* jallib <[email protected]>
*Onderwerp:* Re: [jallib] DAIKIN REMOTE
I think NEC is the same system and am
therefore looking for the libs for this. I
can't handle the Gitthub . Where can I find
the libs
16F877a_nec_rc_decode.jalr and the
nec_rc_decoder.jal
Op maandag 28 augustus 2023 om 20:46:19 UTC+2
schreef hans:
Hello Rob,
Searching the internet is my basic
approach. What I found doesn't work for me.
I now know what a bit looks like and I
know its structure.
I would now like to have a program that
can read those bits concatenated into
bytes I have no idea how I would go about
doing that.
regards
Hans
Op maandag 28 augustus 2023 om 19:04:20
UTC+2 schreef Rob CJ:
Hi Hans,
Maybe look on the internet if people
already figured this out. I saw there
is some info there but not sure if
that is the info you are looking for.
BTW. A tip for your program. You are
declaring an array with constant
values as *var.* You can save RAM
memory by defining the array as
*const. *You have way more const
memory than var memory.
Kind regards,
Rob
------------------------------------------------------------------------
*Van:* [email protected]
<[email protected]> namens hans
<[email protected]>
*Verzonden:* maandag 28 augustus 2023
13:33
*Aan:* jallib <[email protected]>
*Onderwerp:* [jallib] DAIKIN REMOTE
Daikin air conditioner remote control.
I have two daikins that are operated
with infrared. After hours of
puzzling, I've come to the point where
I can turn them both on and off in the
heating position. I would also like to
know the other functions, but I dread
all that work.
I read the remote control with a scope
and then figure out the values.
Is there anyone who has already done this?
Otherwise I would like to have a
system to read the signals from the
remote control.
regards
Hans
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