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    <title>Firefly Open Source Community - Firefly-RK3399</title>
    <link>https://bbs.t-firefly.com/forum.php?mod=forumdisplay&amp;fid=153</link>
    <description>Latest 20 threads of Firefly-RK3399</description>
    <copyright>Copyright(C) Firefly Open Source Community</copyright>
    <generator>Discuz! Board by Comsenz Inc.</generator>
    <lastBuildDate>Wed, 10 Jun 2026 02:58:51 +0000</lastBuildDate>
    <ttl>60</ttl>
    <image>
      <url>https://bbs.t-firefly.com/static/image/common/logo_88_31.gif</url>
      <title>Firefly Open Source Community</title>
      <link>https://bbs.t-firefly.com/</link>
    </image>
    <item>
      <title>Where can I get the source code of Android 7.1.1 Dual MIPI Camera Support</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2523</link>
      <description><![CDATA[Hello.

Regarding \&quot;Android 7.1.1 Dual MIPI Camera Support ...\&quot; ( http://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2185&amp;highlight=dual%2Bcamera ),

where can I get the source code for DualCam-Firefly-RK3399_Android7.1.1_MP_180122.7z and Camer ..]]></description>
      <category>Firefly-RK3399</category>
      <author>jaehyek</author>
      <pubDate>Thu, 14 Feb 2019 05:32:48 +0000</pubDate>
    </item>
    <item>
      <title>What USB-C power supply are you using?</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2511</link>
      <description><![CDATA[The RK3399 seems to be only asking for 5V (plugged into a Power-Z analyser). I suspect my charger isn\'t offering the right voltage for the board.

What\'s everyone using?]]></description>
      <category>Firefly-RK3399</category>
      <author>voltagex</author>
      <pubDate>Mon, 28 Jan 2019 01:00:32 +0000</pubDate>
    </item>
    <item>
      <title>Weird FireFly USB-USB-C cable issues</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2365</link>
      <description><![CDATA[The recently shipped FireFly rk3399 Plus-R (2018-05-02) comes with a USB to USB-C cable that only seems to work with the Android Tool on a windows host when the board is in recovery mode. Somehow it cannot be used for other purposes when running the  ...]]></description>
      <category>Firefly-RK3399</category>
      <author>dbe_dev</author>
      <pubDate>Thu, 05 Jul 2018 10:15:11 +0000</pubDate>
    </item>
    <item>
      <title>Gyro Sensor</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2345</link>
      <description><![CDATA[I want to add a sensor for auto rotation. How can I realize it. Do you have any resources about?

Regards
MaKo]]></description>
      <category>Firefly-RK3399</category>
      <author>appscreen</author>
      <pubDate>Thu, 21 Jun 2018 20:35:42 +0000</pubDate>
    </item>
    <item>
      <title>M.2 PCIE is it powered on?</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2327</link>
      <description><![CDATA[I\'m having issues with the RK3399 even recognising that there is a PCIE bus let alone getting it to work

It appears from the following that the voltage regulator is not configured to feed the pcie:


but some of the other bits are configured to ...]]></description>
      <category>Firefly-RK3399</category>
      <author>enrogued</author>
      <pubDate>Thu, 07 Jun 2018 19:59:06 +0000</pubDate>
    </item>
    <item>
      <title>What is the AT18 on I2C4 Bus?</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2233</link>
      <description><![CDATA[I have a look at the DTS, and I2C4 describes 3 devices.

fusb0: fusb30x@22 {
gsl3680: gsl3680@40 {
mpu6050: mpu@68 {

On Schematic: AT18 does not have address on the I2C Bus, but it has a reference to \'Encryption\'.
AT18 is a 8pin device accord ..]]></description>
      <category>Firefly-RK3399</category>
      <author>adriangin</author>
      <pubDate>Fri, 09 Mar 2018 05:04:53 +0000</pubDate>
    </item>
    <item>
      <title>How to connect to a LVDS LCD?</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2231</link>
      <description><![CDATA[Hi !

We just bought a couple of RK3399 boards, and everything has worked well so far using the latest Ubuntu image. We would like to connect a display with LVDS interface to the board, but we are a little bit confused with the documentation and th ...]]></description>
      <category>Firefly-RK3399</category>
      <author>paucorella</author>
      <pubDate>Tue, 06 Mar 2018 19:17:28 +0000</pubDate>
    </item>
    <item>
      <title>Bundled Wi-Fi antenna specifications</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2220</link>
      <description><![CDATA[Hi!

I was wondering if I could get some technical specifications on the Wi-Fi rubber duck antennas that are shipped together with the Firefly-RK3399? 
I would prefer a technical datasheet, but at least a type number / model number for them would  ...]]></description>
      <category>Firefly-RK3399</category>
      <author>izwag</author>
      <pubDate>Wed, 21 Feb 2018 10:00:47 +0000</pubDate>
    </item>
    <item>
      <title>I want to know pcb dimension of AIO-RK3399J.</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2218</link>
      <description><![CDATA[Hi,

I will make case with 3d printer.

So I need a pcb dimension(Including connector position)

Thank you.]]></description>
      <category>Firefly-RK3399</category>
      <author>chandong83</author>
      <pubDate>Tue, 20 Feb 2018 09:13:46 +0000</pubDate>
    </item>
    <item>
      <title>Enclosure for the Firefly-RK3399 Plus or Max boards</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2214</link>
      <description><![CDATA[Hi

Does anybody know of an alternative to Firefly\'s own aluminum enclosure?

http://shop.t-firefly.com/goods.php?id=62

This case seem to be poorly designed, i.e.;
Inadequate ventilation 
No space for a SATA hard drive]]></description>
      <category>Firefly-RK3399</category>
      <author>hendriklubbe</author>
      <pubDate>Mon, 19 Feb 2018 10:49:41 +0000</pubDate>
    </item>
    <item>
      <title>Quality of build</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2213</link>
      <description><![CDATA[Hi

I\'m newly retired and gave a lot of time at hand. I\'m  a complete Newby in the development board area and want to get involved with building high end TV box/Security systems.

My questions are; 

What is the communities impression re. the p ..]]></description>
      <category>Firefly-RK3399</category>
      <author>hendriklubbe</author>
      <pubDate>Mon, 19 Feb 2018 10:45:37 +0000</pubDate>
    </item>
    <item>
      <title>Firmware/Hardware version compatibility</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2208</link>
      <description><![CDATA[After some debugging on why our new board did not work when using our customization I found out that the Firefly-RK3399_Android7.1.1_170516  firmware does not operate on RK3399 boards produced after 2017-08-22. 

The latest firmware releases do w ...]]></description>
      <category>Firefly-RK3399</category>
      <author>dbe_dev</author>
      <pubDate>Mon, 12 Feb 2018 15:09:22 +0000</pubDate>
    </item>
    <item>
      <title>Question on AIO-3399J Hdmi input capabilities</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2204</link>
      <description><![CDATA[From the AIO-3399J spec sheet I can see the HDMI input can capture up to 1080p60.

In spec sheet of the used toshiba component  https://toshiba.semicon-storage.com/info/docget.jsp?did=36660&amp;prodName=TC358749XBG it is stated that the component can a ...]]></description>
      <category>Firefly-RK3399</category>
      <author>dbe_dev</author>
      <pubDate>Fri, 09 Feb 2018 09:18:47 +0000</pubDate>
    </item>
    <item>
      <title>Xubuntu 16.04 HDMI Support ....</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2186</link>
      <description><![CDATA[Hello.

             HD Monitor    UHD Monitor
Android 7.1.1    OK            OK
Xubutu 16.04    OK            FAIL

Android 7.1.1: Firefly-RK3399_Android7.1.1_MP_170829.img or Firefly-RK3399_Android7.1.1_MP_180122.img
Xubutu 16.04: Firefly-rk ...]]></description>
      <category>Firefly-RK3399</category>
      <author>feaubuy</author>
      <pubDate>Sat, 27 Jan 2018 11:34:53 +0000</pubDate>
    </item>
    <item>
      <title>Android 7.1.1 Dual MIPI Camera Support ...</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2185</link>
      <description><![CDATA[Hello.

Configuration:
Firefly-RK3399_Android7.1.1_170516.img
OV13850 x 2

It seems the camera app has no menu to switch between two cameras.
Is there any way to test dual MIPI camera support visually thru HDMI monitor?

I am getting the fol ...]]></description>
      <category>Firefly-RK3399</category>
      <author>feaubuy</author>
      <pubDate>Sat, 27 Jan 2018 08:38:30 +0000</pubDate>
    </item>
    <item>
      <title>Firefly-RK3399 issues</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2180</link>
      <description><![CDATA[Hi,

I recently bought a Firefly-RK3399 4GB/16GB from the t-firefly webstore, alongside a M.2 to SATA bridge board. It arrived on the 4th of January. I unpacked the machine and set it up in its case, I connected a HDMI cable, USB cable to a hub con ...]]></description>
      <category>Firefly-RK3399</category>
      <author>wingar</author>
      <pubDate>Tue, 23 Jan 2018 03:09:40 +0000</pubDate>
    </item>
    <item>
      <title>AIO-3399J (Firefly-RK3399 All In One) purchase options</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2176</link>
      <description><![CDATA[Hello

on  http://shop.t-firefly.com/goods.php?id=64
there is no option to choose RAM and eMMC size !
and it does not say how much RAM and eMMC

the TaoBao store has all options ( 2GB / 4GB )
https://item.taobao.com/item.htm?spm=a1z10.1-c.w935 ...]]></description>
      <category>Firefly-RK3399</category>
      <author>sandrobilbeisi</author>
      <pubDate>Wed, 17 Jan 2018 11:38:25 +0000</pubDate>
    </item>
    <item>
      <title>USB Type-C Male to Micro 5p Female Adapter CANNOT Be Pulled Out ...</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2175</link>
      <description><![CDATA[Hello.

I cannot pull out the USB Type-C male to micro 5p female adapter provided with my Firefly-RK3399 board purchase.
Is there any knowhow to pull out the adapter without hurting the pair of USB connectors?
I wonder the female connector may ha ...]]></description>
      <category>Firefly-RK3399</category>
      <author>feaubuy</author>
      <pubDate>Wed, 17 Jan 2018 09:43:09 +0000</pubDate>
    </item>
    <item>
      <title>Unable to enter loader mode</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2174</link>
      <description><![CDATA[I just got my hands on the AIO-3399 board.

I am trying to access the \&quot;upgrade\&quot; mode, but there is no device presented on the USB ports.
It does change boot mode, and I get different output on the screen connected to HDMI, but my workstation (linu ..]]></description>
      <category>Firefly-RK3399</category>
      <author>pani</author>
      <pubDate>Tue, 16 Jan 2018 15:16:55 +0000</pubDate>
    </item>
    <item>
      <title>AIO-3399J Main board schematics?</title>
      <link>https://bbs.t-firefly.com/forum.php?mod=viewthread&amp;tid=2140</link>
      <description><![CDATA[Hi,

I the main board schematics for AIO-3399J available somewhere?

I have found it for AIO-3288J here:
http://wiki.t-firefly.com/index.php/Firefly-RK3288/Hardware_Documents/en

Is the same available from AIO-3399 mainboard somewhere?]]></description>
      <category>Firefly-RK3399</category>
      <author>pani</author>
      <pubDate>Tue, 05 Dec 2017 09:41:10 +0000</pubDate>
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