Hi,
I am new to these forums. I relcently installed cyanogenmod 13 and after that installed elementalX on nexus 7 2013 flo.
I have usb debugging on. I have installed stickmount.
I have enabled OTG + charge from kernel EK Manager.
I connected my Y OTG cable. Tablet can be charged but when I connect any usb device to usb interface of OTG cable nothing happens. I donot even get pop up on my device that something has been connected. Although if I connect anything, I can see it is getting power. As, I connected a usb hub which lights up and also connected easycap and the light on it also lit up. But I am confused as all my usb devices can get power but my tablet is not recognizing any hardware addition.
Also, is this cynogemod issue or kernel issue . I will consider fresh install if I know where the problem is.
thanks
Quote Edit
Solved: I was using angled adaptor which was not allowing otg to work.
Related
Is it possible, on way or another to connect USB devices to the BA?
SDIO doesn't seem to be possible since the power is too low.
Any other possibilities, i would like to connect my USB 802.11g WiFi adapter to it (it has windows mobile drivers).
I also read somewhere about a Sync 'N' Charge cable, does that do anything?
(http://www.gpsforless.co.uk/product_details.php?id=5782)
Thanks
From device discription it looks that the the cable support USB host. but i m not sure How the BA get 4.5v to run the usb devices.
The cable has a power input.
will the normal charger is applicable to that input?? cause there is no power adaptor with the cable.
if the normal charger fits that port, i will definetely order that, just as a spare charger part, because i highlz doubt to get the ba as a usb host, and if it worked at all, then only with proper drivers and also probably just with power connected, i don't see a connection with any usb storage stick, but as mentioned before, i will give it a try, as soon as i know about shipping to germany.
Hi guys,
Just found my A70 can't connect to the USB Storage via OTG cable. Seems not detect. Have you meet this kinds of issue?
The obvious question is - are you sure you've got the right cable, I have cables that physically fit and work for some other devices - just not this archos
Even you've got the right USB host cable, e.g. the Nokia CA-157, you may still face compatibility problem. Many digital cameras will be detected automatically if connected. However for other USB mass storage devices, e.g. flash drives or card readers, only a few will work. We all hope that Archos fix this in its next firmware update.
haha71 said:
Hi guys,
Just found my A70 can't connect to the USB Storage via OTG cable. Seems not detect. Have you meet this kinds of issue?
Click to expand...
Click to collapse
try to connect an usb-hub and plug your usb-storage into it...that helped me
a problem exist on this firmware with Archos 7.0
Archos knows this problem
see that with the beta firmware
http://www.jbmm.fr/2010/12/07/le-cable-usb-host-sur-larchos-7-0-fonctionnera-bien/
My bet is on power usage. If cable is working than probably device it self drains more than declared 100mA when plugged in. Even if device is rated under 100mA it might more than that when starting.
Just test it, I upgrade to 2.0.71 today, but the A70 still can't detect the USB Storage device...but it really very smoothly right now
Keep in mind that the USB drive needs to have an external power source in the case of an HDD, a flash drive should be fine running off the power of the device tho
I'm looking to be able to use my external HDD (1TB WD passport) on my phone via OTG. As I understand, ntfs support varies with kernels etc but I'll cross that bridge when I come to it as I think there's a more fundamental problem.
I've got an OTG cable, and my mouse, usb pen drive, keyboard etc work with it. The HDD doesn't, because the phone can't provide enough power to operate the thing. I thought I could get around this by connecting it via my usb hub (which runs off external mains power) but when I connected this up to the phone and plugged the HDD in nothing happened. Likewise, the mouse and pen drive etc could also not be recognised by the phone when they were each plugged in via the hub (one at a time, I wasn't trying to run 8 things at once!) even though they worked perfectly when the phone itself was powering them when they were directly plugged into the OTG cable (if that makes any sense).
So, assuming it was a problem with the hub, I instead tried the method in this thread http://forum.xda-developers.com/showthread.php?t=1828032 and made my own y type cable so that now rather than the phone providing power to the OTG peripheral, the power now comes from a standard USB phone charger. I'm fairly confident that I did all the soldering correctly and there weren't any short circuits.
When I tried using this, I had the same issue as with the hub. None of the mouse, the pen drive etc could be recognised with the modified OTG cable, which was odd as physically nothing had changed from the point of view of the peripheral plugged into the OTG (the data cables connecting it to the phone were unchanged, and it was still getting 5V power, just from the wall rather than my phone) which makes me think perhaps the problem is a software one where the phone only recognises a USB peripheral/begins USB host mode if the peripheral is actually draining power, since the power leads running from the phone side of the OTG cable are now just an open circuit.
Just to confirm I hadn't just snipped a data cable by accident when modifying the OTG cable, I re-soldered the OTG cable to how it originally was and it worked the same way it had previously. This means all the data cables are still intact, so I think it must be a software issue.
I thought maybe a way of testing this would be to modify the y cable and connect the red and black power cables coming out of the phone to each other via a fairly hefty resistor (so you still get power flowing from the phone even though the USB peripheral is powered by the wall). But it seems a bit dangerous!
Has anyone else had trouble with this? I've read around on forums and for a lot of people USB hubs and y type OTG cables seem to "just work", although I've not seen anyone with an i9300 reporting success. I'm running the latest version of liquidsmooth, but have also tested on CM10.1 and have the same problem. It might be an AOSP thing that stock samsung firmware will fix?
Let me know your experiences!
TLDR: I'm pretty sure I've got a software issue where my i9300 only recognises a USB peripheral/begins USB host mode via OTG if the peripheral is actually draining the phone's power, and so doesn't work when a USB hub or externally powered (y type) OTG cable is being used.
Thank you!
It apparently only supports 500GB regardless of power source
Sent from my GT-I9300 using Tapatalk 2
rootSU said:
It apparently only supports 500GB regardless of power source
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
Really? That's odd - is that an android limitation or samsung? Either way it still seems weird that my y cable/hub didn't work for the mouse/keyboard, is that something you'd expect?
Sorry I didn't read that part.
I have a portable passive hub. Kb and mouse working fine...
Sent from my GT-I9300 using Tapatalk 2
Another bug i noticed is the OTG. I noticed that there is a limit in terms for power draw a USB-C OTG device can receive from the USB-C port of the Mate 20 Pro. USB Power automatically shutsdown depending on a certain current draw and the scenario is somewhat random. This error has been persistent until now with the current version of the F/W (.126)
Although from the phone notification, "Supplying power to the connected device over USB" is present, you will notice from the LED indicator of device attached to the USB port shuts down right after you plug it. If you attempt to re-plug it, usb power is randomly restored.
I am using a USB-C usb hub with HDMI port as the OTG device. I tested this device with another phone (P10, Samsung, etc), power is stable.
I actually have the some problems reading my otg with a USB drive connected. The connection is intermittent. Sometimes it can read the drive and sometimes it can't. I tried it on my P20 Pro and it's working fine. It will be great if others can try it out and review it here.
I'm on version 9.0.0.183 (patch05). Thanks
No otg problem hdmi desktop mode
I am on emui 9.0.0.198 and I have no problem connecting my television through hdmi without extra power. Although at first the connection failed (tv screen showing red stripes and intermittently switching to black screen) and I had to change hdmi cable. Desktop mode worked fine after that hdmi replacement. Maybe just hdmi does not draw much power.
Mate 20 pro.
I bought a usb-c to hdmi cable, it connected to my new LG PC monitor a few times with no problems. But recently (no sure when or why) it will not connect to the monitor but it will connect fine to my Samsung series 7 TV.
The phone notification says the phone is supplying power to the usb device.
I have a ugreen 16gb USB/usb c flash that I used to use on my p20 lite and it worked fine. I tried it with my mate 20 pro and it does not work. I also have a hdmi/usb c for desktop mode and that works with no issue.
I purchased USB c / female USB adapter and when I plug in my OTG USB memory (that does not work when plugged into the phone) now works perfectly.
It say unknown device when i plug the device in
What i tried:
- Reinstall adb and lg driver, try 3 version of lg driver (4.5, 4.1, 4.4), pretty sure i work fine because i can connect with my G7
- Try plug in another port, and i notice if i plug it to my USB Root Hub (3.0), it not get recognized, but if i plug it to a Generic USB 2.0 Hub, nothing happened, it only charging (no error appear and no device appear) - I used usbtreeview to see it
- Tried with different cable, and i bought new 2.0 cable, but it still not work
- Tried buy a 2.0 USB Hub, but it get the same error as i say above, the device just charging, nothing happen, no sound of new device plug or anything appear in device manager
- Tried change the mode of usb config to MTP, PTP , then connect each mode with usb 2.0, usb 3.0 port, same problems
your V30's usb port might be going bad.
try and see if cleaning it with a wooden toothpick helps. Don't use anything metallic or conducting
tech_infinity said:
your V30's usb port might be going bad.
try and see if cleaning it with a wooden toothpick helps. Don't use anything metallic or conducting
Click to expand...
Click to collapse
I will try it! Also do you know why it throw error at when connect to usb 3.0 port of pc but nothing happen with usb 2.0 port ? (just charging),
also when try some cord, i notice that if i use my lg g7 cable and samsung cordand charge directly, it not even charge, but if i use that cord and plug to pc, it does charge ._. , and if i use my oneplus 8 cord, it work for both charge directly and plug to pc, which is really weird since all of them is usb 2.0 cord i think