Hi all,
I'm having an issue with my Joying 8.8" Android Unit. The unit supports Android Auto using the pre-installed "CarLink 2.0" app.
I usually use Wireless Android Auto and it works just fine. However, the head unit does not have any buttons, neither does the steering wheel (Audi TT mk1). To solve this, I have added a USB volume dial (Digispark ATtiny85 paired with a rotary encoder) which I have used on another car running a eonon unit with ZLink where it works very well.
The problem is that, everytime I connect the volume knob to this unit's usb, CarLink seems to think it is a mobile phone, so it interrupts my wireless android auto session and attempts to connect to the usb volume dial. When this happens, the volume dial stops working. This only happens when the CarLink app is running.
Thinking this is an issue with the CarLink App, I tried to install ZLink instead, but It won't run due to "channel error". Do I have to install it as a system app?
Another possible solution: Is there a way to disable USB for CarLink?
Thank You
What did the reseller suggest when contacted for support? What else has been tried?
marchnz said:
What did the reseller suggest when contacted for support? What else has been tried?
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I contacted Joying with no answer yet (It's the weekend, they might reply next week).
I tried using different USB ports, USB hubs, USB adapters, changing available configuration.
Interestingly enough, using USB A -> USB C -> USB A adapters made the knob continue working even after CarLink tries to connect to it, but still interrupts an ongoing Android Auto session.
I ended up figuring out the problem. Turns out that certain USB class/subclass identifiers are not properly handled by CarLink. Making the microcontroller report a different combination of usb class/subclass did the trick.
Interesting problem. I just installed a 9" Joying radio into my 2019 Honda Civic Hatchback EX, and I forgot I had an iPod plugged into the USB in the middle storage area. I could not get Wireless CarPlay to work reliably (if at all).
I know the radio does not talk to an iPod, so I moved all the music to an SSD drive on USB3 in the glove box. However, if the drive is connected, Wireless CarPlay will not connect unless I disable and re-enable Bluetooth and reconnect manually, but then it disconnects the USB hard drive.
I don't have the option of changing VID/PID values. I am waiting to hear back from Joying, but thought I would add this to the thread as it is somewhat related behavior with CarLink 2.0.
Related
This is a Joying for a vw. Running android 8.
There is two usb connections at the back. Left and right.
The one marked 2.o (left one looking at the front) works with the DAB adapter and Zlink Apple car play. All is good.
Q1:
If i connect to the right usb the iphone then zlink wont connect. Why? (Im assuming its USB1.0) Can I use one of the zjinnova adapters to get carplay on this usb port?
Q2:
If i connect the DAB adapter to the right usb it works but the sound stutters enough for it to be annoying to listen to.
Anything i can do to help this? Im assuming its a data speed issue.
Q3:
Any tips on getting both DAB and Apple carplay to work?
Regards Kurt
I have an InDashNet UN8000 that I'm having a weird issue with.
Due to the bluetooth on this unit being run through the MCU (not visible to the settings) I bought a USB OBDII adapter to use with Torque Pro.
The adapter does work... but torque (and presumably android?) doesn't see the adapter on cold startup. I have to quit torque, then replug the adapter for it to show up.
Is this a known issue? And if so, is there a work around? I'd prefer to avoid a wifi unit as I use wifi for phone tethering (internet on the road).
I'm not rooted... but it looks like there is an official (OEM) way to do so listed on their site. I just haven't gotten to it (no need).
Did some more looking... Its a torque pro issue. Its even mentioned in the USB notes in the app.
Whoops.
Hi all.
I have a 2021 mazda bt50. Supports all phones. Wireless carplay, wired android auto.
When i plug this device into the usb port for connecting to the stereo. The device just constantly reboots.
If i plug into a normal usb port (charging only) the unit stays on and does not reboot. But unable to connect to stereo.
Have done all nessasary firmware upgrades.
I have tried new cables everything. Nothing works.
Another supplier that sells thses things rekon they have them working in my type of stereo. But mine just reboots.
Can anyone help?
Thanks heaps
Craig
So I got an aftermarket Chinese android head unit (this one!) which generally seems pretty good to me, however one issue I'm having is that for some reason, wired CarPlay only works if I use the USB port on the back side. The HU has 2 USB ports on the front. The front upper port is for charging only I think, since it has a charging icon next to it and also because if I connect using that, the HU doesn't detect anything. But if I use the front lower USB port and then open Zlink, a 'Connecting' message appears and after about 10 seconds I get the error: "link fail, try another usb port". If I connect using the back USB port however, CarPlay starts within seconds! But according to the manual, the back USB port is for the rear camera, which also came with my HU.
I also have an Android phone. I tried connecting that to the front lower USB port and I could use Android Auto. So the issue is only if I use CarPlay.
Is there any potential reason why CarPlay doesn't work when using the front lower USB port ? Is the HU potentially defective, or is this a software issue of some kind ?
My iPhone's iOS version is 15.0.1, if that matters. The Zlink version is 3.8.34, and it's an Android 10.1 HU.
bump. Any suggestions/comments ?
Your link does not work. Maybe you should provide a new one or provide the head unit description here.
TorstenH said:
Your link does not work. Maybe you should provide a new one or provide the head unit description here.
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Link seems to be working for me, but you can also see the head unit if you search for this on Amazon.com: B09KH7VQ2N
It’s an Android 10.1 head unit.
ahmadka said:
Link seems to be working for me, but you can also see the head unit if you search for this on Amazon.com: B09KH7VQ2N
It’s an Android 10.1 head unit.
Click to expand...
Click to collapse
Be sure it's not Android 10. Most head units shows a faked version info and yours is to cheap to be to to date.
Does your car has an USB socket you could connect with the USB connection on the back of the head unit?
Hiya, new to forum. Done a search and couldn't find any specific help for my issue.
I have an XTRONS android 12 headunit specific shape for a MK4 Ford Mondeo. Model number is PFS7FSFA_B.
The issue I have is with the USB cable and android auto. I had issues with the stock software for screen mirroring in that it needs an Internet connection (better than a mobile hotspot I've read) to validate or something. Couldn't get that to work. Some googling found me the HUR Headunit Reloaded app.
Paid for that and downloaded it. Managed to get it all setup and working. Then after changing screen resolution in the HUR app it would no longer see that I connected my phone. It would charge but wouldnt actually connect.
I'm using the red USB cable that plugs into the headunit per the instructions.
Issue seems intermittent as yesterday I got it working after a lot of fiddling, then it stopped. Then I pulled the power to the Headunit and it got going again.
But this morning not working again.
I attempted to download the wireless app to try that but couldn't really understand which device needed the hotspot running on it as the instructions were a little ambiguous.
Phone is a pixel 7 pro.
Where should I start looking to troubleshoot this issue. OR are these units just junk in the first place?
Any help appreciated
For reference the USB cable I'm using is brand new, high quality braided cable, data transfer on other devices is fine as I checked, I also tried a couple different cables to the same avail. Leading me to think it's either a software issue in the headunit/app or an actual hardware issue?
Evening update on my USB woes, its now stopped charging the phone at all, it does register that I have plugged the cable into the phone, but when I check the "battery app" on the phone it does not show that its charging.
There were 2 USB cables in the box with this unit, a 4pin plug with a red USB socket, and a 6pin plug with a black USB socket, all the info seemed to point towards the red one labelled mirror link that I need to use. Can anyone confirm if this is correct? Do the 4/6pin plugs work differently or have different power outputs or something?