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IR control of Amazon Fire TV stick?
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madbrain



Joined: 09 Jun 2020
Posts: 22

PostPosted: Thu Oct 08, 2020 2:43 pm    Post subject: Reply with quote

Robman,

The Robman wrote:
Were you given any instructions on how to control multiple units in one location? I ask because the instructions might give us a clue as to what the other codesets look like.


No instructions. I found a function map.
http://downloads.inteset.com/Inteset_INT-422-3_Key_Mapping_for_IReTV.pdf

I think there are 4 sets of IR signals that get translated to different keystrokes/commands over USB. Those USB commands are overlapping, so it's probably not possible to use multiple IReTV in the same room unless spacing them quite a bit, and pointing the IR remote in the correct direction.

Nevertheless, I'm still interested in knowing what the other codes might be, as they would produce different keystrokes.

In particular, I'm currently seeking a way to use the "back" function with my FireTV and the new Chromecast with Google TV. It looks like I may have to resort to using an Android map to remap buttons/functions. One is called Button mapper, but it's a paid app, and I'm not sure it can do the job based on the functions in the free version.
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The Robman
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Joined: 01 Aug 2003
Posts: 19867
Location: Chicago, IL

PostPosted: Thu Oct 08, 2020 3:00 pm    Post subject: Reply with quote

madbrain wrote:
The IreTV allows for this situation by responding to 4 different sets of IR codes. You posted one set. Would know where to get the codes for the other 3 sets of IR codes for the IReTV ?

Hey Julien, where did you get this information about the IreTV allowing for 4 different sets of IR codes? Do you have a link to a website or something?

The point is, we only know about one codeset (the one posted earlier), so I'm looking for some sort of clue as to what the other 3 codesets look like.
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madbrain



Joined: 09 Jun 2020
Posts: 22

PostPosted: Thu Oct 08, 2020 3:27 pm    Post subject: Reply with quote

The Robman wrote:

The point is, we only know about one codeset (the one posted earlier), so I'm looking for some sort of clue as to what the other 3 codesets look like.


Look at the PDF I posted.

http://downloads.inteset.com/Inteset_INT-422-3_Key_Mapping_for_IReTV.pdf

You will see 54 rows and 4 different device columns, one for Fire TV, one for MCE, one for Kodi/PC, one for nVidia Shield. Each column corresponds to a different code set on the Inteset remote. You can see that there are obviously more than the 40 functions present in your device upgrade.
In the MCE column alone, there are 45 different functions.

I don't have the Inteset INT-422-3 remote to learn all the signals from the 4 different sets of keys. It's possible there are overlaps in the signals between those 4 columns, but perhaps not.

How did you create your device upgrade with the 40 functions ?
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pH7_jp1



Joined: 14 Sep 2003
Posts: 475
Location: Sterling Heights, MI

PostPosted: Fri Oct 16, 2020 7:28 am    Post subject: Reply with quote

I may be able to supply some information about this, but it is only guessing, since I do not own the inteset IReTV device. I do, however own a FLIRC which does the same thing in is different way. What both of these do is receive a set of IR codes and turn them into a set of USB Keyboard codes. The device being controlled believes that a generic USB keyboard is connected to the USB input and these devices already have the ability to be controlled by a keyboard.

Where things are different, is how the mapping from IR command to keyboard code is defined. The FLIRC, while it comes shipped with a default mapping it can be programmed using an application on Windows. You plug FLIRC into a USB on your computer, aim the sending IR remote at FLIRC and proceed to teach the FLIRC by transmitting the IR command and choosing the key code to send. After this teach/learn process is completed one time, the FLIRC is plugged into the device being controlled. The choice of what protocol, device, sub device, code being sent is completely up to the sending device. You can pick any setup code you want, so long as it doesn't interfere with other devices in your system.

The IReTV - I am guessing here - instead of allowing complete flexibility instead comes with 4 mappings for the 4 devices is supports and that they chose 4 setup codes built into the Inteset remote it expects to be used with. This makes the setup simpler for the user, but removes the flexibility (the usual tradeoff).

The problem in this instance is that apparently the FireTV and Chromcast respond to the same set of keyboard commands. (Another assumption on my part, given I don't own either.) If this truly is the situation, using FLIRC for one device and training the IR to key code mapping would allow you to have both devices in the same room.
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