Hi xda-developers,
I have a serious problem with accessing the usb-port with my unrooted htc desire.
I just want to connect a switch/circuit breaker to my cellphone via usb. And than I want to be able to react on the event if somebody pressed the switch. It's only this little event that I wan't to react on.
I searched the web and found two ways to achieve my goal:
1.) Get a Bluetooth device and interact with that.
2.) Root the Desire and make/solder a usb-to-serial cable
But seriously? A Bluetooth device just to recognize if somebody pressed a hardware button? And I want to share this project so if possible I would relinquish the need of a rooted device.
So now, after hours of web-searching and reading references, I ask you, the awesome xda-developers-community: Is there any easy way to access the usb-port from within my Android-App or the Android-Scripting-Engine?
Every hint is appreciated.
.:LordAlien:.
No one an idea? Or just a little hint where I could read furthermore related to access the usb-port?
It seems like you would need a bit more than root and a USB-to-Serial cable.
Maybe if you only need one hardware switch you could use the mic button input, or play a sound to the mic input? Or use a magnet and the magnetic sensors (electromagnet, or even a neodym magnet glued to your hardware button).
Thanks for your replay.
I already read about the usb-host-capabilites, but I thought if I only want to detect on little signal I would not need the whole usb-host stuff.
Thanks for the Idea with the magnetic thing, but if I really need another device to realize my switch I will stay with bluetooth.
/edit: I thought off buying a littel&cheap bluetooth mouse and interact on the click. Would it be possible? Can I actually connect a bluetooth mouse to my android mobile phone?
I don't think a Bluetooth mouse would work, at least not out of the box. Most Android devices don't fully support the Bluetooth HID or SPP profiles. It's missing software, not hardware. But I saw that the Dell Streak apparently supports keyboards and mice.
BlueInput only supports keyboards, it seems. It doesn't need root. So apparently it should be possible to do the same for mice, but I didn't find anybody doing it yet. But maybe you can ask the BlueInput people whether mice would also work, just without a visible pointer (because Android doesn't have a visible mouse pointer). That wouldn't matter to you, but it would be useless for normal mouse users, so perhaps they just don't advertize that BlueInput can talk to mice, too.
Or maybe you can find a cheap headset which is supported by Android. The answer button should work.
Oh look, with root it works apparently.
Yeah I think you are right again. I only thought of the volume buttons on a headset therefore I suggested a mouse.
Is there list of compatible bluetooth headset? Because I already have one a Jabra BT2015 which is not supported (at least I can't get it working).
I tried to pair the touchpad with my Apple Bluetooth keyboard and it could not find any Bluetooth keyboards. Does is work with any non-HP keyboards? Should I be worried my bluetooth radio is broken (needing warranty)? Do I need to buy the HP keyboard?
Thanks
I updated to the latest web os 3.0.2 and still have this issue. Any ideas?
tk_xda said:
I updated to the latest web os 3.0.2 and still have this issue. Any ideas?
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I tried as well - no luck.
It sees my Apple BT keyboard.
Asks for Passkey. I don't think I have one - did you get that far?
nm, i got it to successfully pair. Basically when it asks for the Passkey you have the enter 8 digits...
and then it'll spin - then you enter that on the keyboard and press Enter and for me it worked.
With the Apple compact aluminum BT keyboard. it's kind of delayed so maybe I need to charge my batteries on the kb.
it's definitely working though.
http://support.apple.com/kb/ht1809
Success with Logitech MX5000
Last night I successfully paired my 32GB Touchpad with a 6 year old Logitech MX5000 keyboard. It was nice to have a full sized keyboard when I had alot of typing to do.
i'm interested in this due to the release of that upcomming thinkpad keyboard that will go with the thinkpad tablet. Was planning on buying one but seeing as I now have a tablet which works perfectly fine for what I will be doing (writing scouting reports) I may just see about the keyboard.
I was trying to get my wii mote to pair but it would not. From what I understand, the bluetooth stack in the touchpad is extremely limited.
I got it to work with the Verbatim folding portable BT keyboard.
If anyone is looking for a mini bluetooth keyboard that works I can confirm that this one works great http://www.dealextreme.com/p/mini-bluetooth-keyboard-for-android-wince-nokia-symbian-s60-cellphones-black-37863 And its only $18.70, the placement of a few of the symbols like the arrow keys take a while to get use to, but it works great and you can thumb type quite easily on it.
Edit: I found what looks like the same one on ebay for $11.88, not sure if you can post links to ebay here so just search "Ultra Slim Mini Bluetooth Keyboard For PC PS3 PDA" and you will find it.
I just got my Touchpad to pair with my old, folding Dell Axim keyboard. Works pretty well too.
The trick was a 4 digit code entered on both the Touchpad and the keyboard.
Nomedias said:
Last night I successfully paired my 32GB Touchpad with a 6 year old Logitech MX5000 keyboard. It was nice to have a full sized keyboard when I had alot of typing to do.
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Ι also have a logitech wave pro keyboard.Which code did you enter?
Does anyone know if a bluetooth case keyboard like thishttp://www.ebay.com/itm/Brand-New-Ipad-Leather-Case-And-Bluetooth-Keyboard-/300570582168?pt=US_Tablet_Accessories&hash=item45fb671c98#ht_4233wt_1139 will work? Or if anything can anyone provide feedback of a keyboard/case similar to this which worked on their touchpad? Thanks
the_rogue said:
I just got my Touchpad to pair with my old, folding Dell Axim keyboard. Works pretty well too.
The trick was a 4 digit code entered on both the Touchpad and the keyboard.
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Which is??...i mean touchpads 4 digit BT code...
I scooped up an Adesso BT keyboard/case intended for an IPad at Compusa the other day, and was able to successfully pair. I've posted my method in another thread but will post it again in here because I first came in here seeking the way and didn't find it .
www adesso com - under ipad2 keyboards
The Bluetooth Keyboard. - In order to pair with this thing, you must
- turn on bluetooth on Keyb and touchpad
- search for keyboards in bluetooth prefs
- put in a key on the touchpad screen
I used `12345678"
- then type the same on the keyboard (NOTE* You will not see any prompts on the screen, just type "12345678" and press enter. ) This was how I got it to sync and have been able to repeat it . SYNC
I was able to pair mine with a Motorola Bluetooth Keyboard (came with my old Atrix), it asked for a 4 digit passkey, I entered 0000 and it let me thorough.
none of the function keys work but all the generic keys do so will do for now.
I had no problem pairing with my Zaggmate and the bonus is that the iPad is the same size so I can dock it for typing and put them together for transport
I paired my Apple Bluetooth keyboard with the Touchpad and it works great. I wish the volume keys and all that stuff would work too, but I guess just being able to type fast is good enough. So here were the steps I took to pair it
1. While keyboard is off, hold power button until it goes into pairing mode (the light starts blinking a bit).
2. On Touchpad, search for wireless keyboards and select "Apple Wireless Keyboard".
3. On Touchpad type in any password you want (I used a 4 number pin).
4. Right after you click OK on the Touchpad, type the same password in on the keyboard and click the enter key after. After this, the keyboard should be paired DDDD
I just bough a Bluetooth keyboard for iPad, its a folding leather protective case. It works great. To get it to pair just enter 12345678 on the password and hit enter. If that doesn't work also hit 12345678 on the keyboard and enter. Its just a bummer that the arrow keys do not allow you to scroll down web pages, but great for taking notes or composing emails!
I just purchased a bluetooth keyboard and my Tab 7+ will not pair with it!
The tab sees the keyboard and when I hit "pair with this device" it appears they are communicating (the light on the keyboard stays lit). Then after about 30 seconds the Tab comes back with the message "There was a problem pairing with Bluetooth Keyboard".
When I pair this keyboard with my Samsung Charge phone it asks me to type in a PIN on the keyboard which I do and then it pairs just fine.
I think the Tab is also asking for a PIN since I've tried just entering 000000 on the keyboard and then it rejects the pairing right away. The Tab just isn't showing what PIN it wants me to type.
Is there a standard set of PINS that are used for bluetooth pairing? Any suggestions?
Your help is appreciated!
Good grief!
I'm chalking this one up to end of day brain dead.....the invisible PIN is of course 0000
Thanks for the read and hope this helps someone else in the future.
I picked up the Logitech bluetooth keyboard and case, apple Ipad version, for cheap last week. I'm trying to get it to work with my Inspire. I've managed to get it to pair up, although not connect. I suspect in this case I don't "connect" but instead have to install a driver that will enable me to use this keyboard with my Inspire, and then when I want to use it, I should be in a text entry situation and select the bluetooth keyboard as my "keyboard".
At any rate, so far I'm having no success with getting the keyboard to actually let me enter text onto my Inspire. Has anyone seen whether this will indeed work with Gingerbread or perhaps it only works with tablets that have Honeycomb or perhaps ICS?
I have an TF101 running 4.0.3 stock rom, rooted with ViperMOD.
I have a bluetooth speaker, HMDX Audio HX-P230.
It won't pair with my device.
My tablet will see the speaker, but when I try to pair them it gives me an error: cannot communicate with [bluetooth ID].
Now, I know the bluetooth in my tablet works because I use a PS3 control via bluetooth.
I tried resetting my tablet, and disabling and reenabling the bluetooth.
I made ABSOLUTELY sure Sixaxis Controller was not running or started or active in any way.
I know the speakers work because they will pair with my phone.
So why won't they work together?!?!?!?
BornInTheJunkyard said:
I have an TF101 running 4.0.3 stock rom, rooted with ViperMOD.
I have a bluetooth speaker, HMDX Audio HX-P230.
It won't pair with my device.
My tablet will see the speaker, but when I try to pair them it gives me an error: cannot communicate with [bluetooth ID].
Now, I know the bluetooth in my tablet works because I use a PS3 control via bluetooth.
I tried resetting my tablet, and disabling and reenabling the bluetooth.
I made ABSOLUTELY sure Sixaxis Controller was not running or started or active in any way.
I know the speakers work because they will pair with my phone.
So why won't they work together?!?!?!?
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Click to collapse
I'm going to assume that you have tried the pass code of 0000 when pairing the 2 devices. While they are SUPPOSED to work with "all tablets," the majority of the time the manufacturers think ONLY of a tablet as an iPad, instead of the many Android variants out there. Some tablets in the settings you HAVE to enable audio over bluetooth, while others do it automatically.
Also I've found often times when trying to pair devices the one that you want to pair with i/e your speaker, turn it off wait 15 seconds, turn it back on and make sure that the lights are flashing showing it is searching for a host. Then under the tablet settings have the tablet search for the device, and try to pair with it. It will either do 1 of 3 things. Auto pair without prompting for the pass code, or it will put the pairing on hold until you input the pass code, in this case 0000, or it will fail.
You might have to go into your phone and "forget" the pairing connection with the speaker for it to be able to be found and used by another device.