Bluetooth support for 2011 3D glasses

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mhelin
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Re: Bluetooth support for 2011 3D glasses

Post by mhelin » Wed Nov 28, 2012 8:56 pm

Onix wrote:it is not that simple, because this chip uses separate hardware lines to control transmitter with precise timing.
I am not sure if it is even possible to control it over usb.
"A 3D shutter glasses device, coupled via a wireless link to a 3D video display device, maintains a slave clock synchronized with a master clock in the display device. The clocks may comprise Bluetooth clocks."

"The shutter glasses receive 3D frame display information and time information referenced to the master clock that corresponds to when frames are displayed. The shutter glasses control opening and closing of left and right shutters utilizing slave clock time and the received information."

"The shutter glasses and the display maintain synchronization when display and/or time information updates are skipped."

So the master sends just some timestamped commands to the classes.

Buy the TI CC2540 dongle (digikey, Farnell etc. sell them) and install the BLE sniffer (free from TI) and look it yourself.

frnando
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Re: Bluetooth support for 2011 3D glasses

Post by frnando » Thu Jan 03, 2013 8:51 pm

Buy the TI CC2540 dongle (digikey, Farnell etc. sell them) and install the BLE sniffer (free from TI) and look it yourself.
Do you have some (text?) file with the packets sent from TV to the glasses, that you can send to me?

I wish to make some tests, have the glasses, but don't have the TV!!

E3V3A
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Re: Bluetooth support for 2011 3D glasses

Post by E3V3A » Fri Jan 04, 2013 3:41 am

Nice thread! Any news?
I think we should be able to use this BT for other things...
I posted a list of 3D glasses HERE.
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erdem_ua
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Re: Bluetooth support for 2011 3D glasses

Post by erdem_ua » Fri May 03, 2013 11:32 pm

The CC2540 modules are $15 at ebay. But I don't think if this works.

For $30, I think it's better to buy as a CC2450 dongle

If anyone comes with a hack that allows us to use this glasses with USB BT4 Dongles it's great and I will pay $100 as I declared before.

mhelin
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Re: Bluetooth support for 2011 3D glasses

Post by mhelin » Wed Nov 20, 2013 12:12 pm

Ok, send me $100, here are the specs:

https://www.bluetooth.org/docman/handle ... _id=280584

chirkoot1
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Re: Bluetooth support for 2011 3D glasses

Post by chirkoot1 » Sat May 31, 2014 9:06 pm

@mhelin: So is this dongle available to be purchase? If so any link, it would be great to test it.

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beatfreak
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Re: Bluetooth support for 2011 3D glasses

Post by beatfreak » Sun Jun 01, 2014 8:35 am

i think its shown that it would never be possible to use an ordinary usb-bt4 dongle as even samsung needed one with extra l-r-sync input lines
so even the glasses would be controllble via cheap dongles i doubt that we'll get acceptable syncing...
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