Questions relating to the Raspberry Pi USB ports and specific Raspberry Pi USB devices and device interaction.
0
votes
1answer
31 views
USB microphone locks up - how to fix?
The USB microphone occasionally gets locked up such that nothing can use it.
The utility arecord describes it as follows:
card 1: Device [DYNEX USB MIC Device], device 0:USB Audio [USB Audio]
...
1
vote
0answers
23 views
dbus.exceptions.DBusException: org.bluez.Error.NotAvailable: Operation currently not available
I want to record audio from a bluetooth headset. Here is my code: (in Python)
#!/usr/bin/python
import sys
import dbus
import time
bus = dbus.SystemBus()
manager = ...
1
vote
0answers
60 views
Sharing USB microphone
I have two different utilities that need to use the microphone for input. They need to run simultaneously and for various reasons, cannot use a redirected stream such as stdin for input. Can a USB ...
1
vote
2answers
56 views
Is the USB-Port generally faulty with the RP?
There is this saying that the USB-Port of the Pi(or the pi itself somewhere in it) had issues with synchronous data transmission, like sending and receiving data via bluetooth dongle at the same time.
...
1
vote
2answers
98 views
SSH from Android to rPI using USB?
Is it possible to connect a rooted Android device to a RPI via USB and then SSH into the RPI from the Android device over the USB connection? If so is there any documents or tutorials out there that ...
2
votes
2answers
270 views
Sending Commands from PC to Raspberry Pi via USB
I am currently doing a project with the Raspberry Pi as a controller connected to a PC via USB and using the Pi to send commands to other devices connected via GPIO pins.
Simplified version: ...
0
votes
1answer
50 views
hostapd : no such file or directory
I'm trying to make my Raspberry work as an access point with a WiFi dongle that has the "Realtek RTL8188CUS" chipset.
I followed the instructions at blog.sip2serve.com and other websites.
My ...
1
vote
0answers
58 views
CSR Bluetooth softblocked, and rfkill unblock <id> doesn't work
I am setting up an emulation box and am hoping to use these instructions to be able to use a PS3 six-axis controller.
The dongle works fine on my main PC, I can pair, scan, etc.
I have Raspbian ...
0
votes
2answers
53 views
Accessing a USB drive after start up with Python
I'm working on a picture viewer using python, that executes on startup of X (using LXDE/autostart) and accesses an attached USB drive and starts to display the images it finds. I'm using the current ...
1
vote
0answers
136 views
Raspberry PI freezing
I am working on a project to getting data from serial device and transmit it to web. I am using kernel 3.2.27 with busybox few start up scripts like sysfs and proc, wvdial daemon to dial USB modem for ...
3
votes
1answer
66 views
Unable to handel kernel null pointer dereferance
Okay, so this is one of various problems I'm having trying to get by RPI/ModelB working. Here are the steps I've followed and the errors I've run into.
Installed Arch on 4GB SD card following this ...
1
vote
0answers
61 views
How can I use usbip-host?
I am trying to turn the Raspberry Pi into a USB controller. My kernel is:
3.6.11+ #452 PREEMPT Fri May 17 14:25:40 BST 2013 armv6l G
I tried the steps described in the question How do I make my ...
0
votes
1answer
179 views
Recieve SMS messages from a Huawei dongle
I have settled up my internet connection as described at it's a clean machine blog . I've settled everything up. However, my ISP informs me by an SMS that I'm getting close to the monthly FUP, and I ...
1
vote
0answers
119 views
USB problem after patch
I have an USB device http://www.kvaser.com/index.php?option= ... 0130001596.
I installed it and it worked with 3.6.11 kernel but the problem is that whe ni made a patch to the same kernel using the ...
0
votes
1answer
186 views
Control iOS device from Raspberry Pi?
I am actually wondering if there are any ways to control an iDevice like the iPod Touch or the iPhone, from the Raspberry Pi. I'm not talking about controlling the whole thing, but only the Media ...
5
votes
4answers
4k views
Using the Raspberry Pi as a Router?
Has anyone used their Pi as a routing device? Mainly I want to use it to monitor my network and it would be great if it had an input and output for ethernet, but it doesn't so I am wondering if it is ...
1
vote
1answer
674 views
Serial versus USB connection for RFID reader
I'm a university student attempting to make a wall-mounted RFID reader using a Raspberry Pi device and a Parallax RFID reader. I'm still in the process of planning and ordering the components, and ...
0
votes
0answers
75 views
Being denied access to my usb drive in console mode
I am trying to access the usb stick that I use for storage on my Pi, PI_USB. I am able to access it while using startx, but I am denied permission while in console mode.
In the terminal, I typed in ...
0
votes
1answer
227 views
D-link USB Hub and External HD
I have an externally powered USB Hub DUB-H4 from D-Link, and was trying to use it to plug an external HDD in the Raspberry Pi. However, it doesn't seem to be working, as no device is seen from the ...
0
votes
0answers
56 views
Getting Sigmatel USB IR adapters to work
I have a set of Sigmatel 4200 wireless IR adapters, and I'm having trouble getting them to work under raspbian wheezy. I can modprobe the driver, and it shows up in dmesg, but it doesn't create any ...
0
votes
0answers
130 views
Adding coaxial input via usb or solder
I would like to add a coaxial input to Raspberry Pi to capture video/audio. Can this be done via the USB connection or (even better) by soldering onto the board?
0
votes
0answers
177 views
Troubleshooting TP-link WN725N wifi dongle problem
I have a 512MB rev B Pi that seems to be working just as it should. But my TP-link WN725N v2 just doesn't seem to work with it. I run the latest version of Raspbian Wheezy and according to several ...
5
votes
1answer
132 views
How do I set up a terminal log-in via USB port in Raspbian?
How can I set up a log-in focused on a USB port so I can hook up a DB9-to-USB cable I already own up to log in using putty or minicom?
0
votes
1answer
899 views
USB to USB cable connecting PC to Raspberry Pi
I am looking to connect a Windows box to a Raspberry Pi using a USB - USB transfer/bridge cable, like the one pictured here. I have looked over other questions but I haven't seen anything similar to ...
1
vote
2answers
102 views
Preventing an ntfs partition from ever mounting
Question
How do I BANISH NTFS FOREVER from raspbmc?
Background
I don't know what's the problem between my raspbmc and my external hdd. All I know is that the ntfs partition of the external hdd ...
1
vote
2answers
279 views
Installed pyusb, still: 'ImportError: no module named core'
On my Raspberry Pi I installed libusb and pyusb via sudo apt-get install libusb-dev python-usb.
But running some Python code (pyrow, to read data from a rowing machine) gives me this error at import ...
0
votes
2answers
553 views
lsusb command outputs “Illegal Instruction” (part of making sakis3g work)
(lsusb details at the bottom of the post)
I've been trying to get my Raspberry Pi (running Raspbian) online, and I've been following a guide, which suggests Sakis3g.
I've installed ppp, a few ...
3
votes
1answer
220 views
From python, can I interact with any HID device?
Can I interact with essentially any HID device from a Pi? (displays, controllers, etc) ?
If so, is there a python example out there that shows reading from hid?
Thanks!
2
votes
4answers
231 views
Keyboard, mouse & wifi dongle, but only two USB ports
With only two USB ports, how can I use the standard input devices together with the wifi dongle? The only thing I could think of is to set some accessibility option and use the keyboards arrows for ...
3
votes
1answer
175 views
Boot from SD but use a thumb drive as RootFS
How would I make my RPi boot from the SD card, then immediately direct to my thumb drive (USB/Flash Disk) to run the Root FileSystem. I need to do this because I will be doing some quite heavy storage ...
3
votes
1answer
225 views
How do I set up a storage device that is only “on” when used?
I use my Pi as a homeserver (headless via ssh, always on, restarted once a week). It's running raspbian, and I am running Ubuntu on my Desktop. Now, I want to add hard drives for backups and NAS to ...
3
votes
1answer
98 views
Can I power the device via the “Big” USB Type A connectors? [duplicate]
For connecting external hard drive I want to use an active USB hub.
I found some USB hubs which seem also to power the upstream ports.
While this is under normal circumstances very bad I was ...
1
vote
1answer
243 views
Raspberry Pi as GPRS to LAN tunnel
I have an option of a very cheap internet service over GPRS/EDGE (much cheaper than any other option here, with a reasonable quality). The true problem is that the provider supports only MS Windows.
...
2
votes
1answer
140 views
USB hub errors on boot
Whenever I boot up my pi, before the login screen arrives, I get an error like the following (listed intermittently among other boot loggings):
hub 1-1:1.0: cannot disable port 3 (err=-110)
over ...
4
votes
2answers
1k views
External power for USB HDD
I want to plug my 2.5 USB external hard drive to the Raspberry Pi, however, there is not enough power on the USB ports for it to work. I've had some problems with a cheap USB AC-powered hub from eBay ...
0
votes
1answer
129 views
Problem with raspberry and edimax wifi dongle when i unplug it
If the pi is running and i unplug the wifi dongle and then put it again the raspberry restarts. Does anyone else has the same problem or knows a solution?
1
vote
1answer
400 views
USB Sound card found, but no output
I tried to set up a USB-Soundcard (Delock) for my RPI.
Now made the necessary changes in the alsa-config file to let the USB soundcard be loaded first.
The soundcard is found, as you can see here:
...
0
votes
1answer
113 views
Using two screens at the same time
I'm working on several projects with my increasing collection of Raspberry Pi computers. One of my projects for work involve ultimately hooking up the Pi to a 7" screen with an RCA connector. The ...
3
votes
2answers
594 views
Webcam issue apparently not related to usb system
There are many posts on the web regarding the apparently poor usb system performance of the Raspberry Pi. In fact it seems that the usb system causes numerous problems and that there is ongoing work ...
1
vote
1answer
372 views
How do I install my NETGEAR N600 Dual Band USB Adapter WNDA3100
On the plastic around the USB wireless device it says that I should install the driver first.
So can I just plug it in and see what happens or should I install the driver first?
Second, where can I ...
2
votes
1answer
551 views
raspberry pi usb dac/amp
Can a raspberry pi be used to build an audio usb digital-analog-converter/amplifier? If it is possible I would really appreciate a few tips on how to get started. I have a little background in ...
0
votes
1answer
532 views
USB BOOT on 2013-02-09 wheezy raspbian
I've heard about extending life on the SD cards by moving directories to a usb HD but that booting from a SD card is still needed... readig through old questions i saw people comenting on how you ...
0
votes
1answer
92 views
Motion - root have no access to the webcam
Well.. i had an installation with motion running as webcam-server .. i reinstalled the linux-distro and reinstalled motion, now the root have no access to the webcam. The "pi" user still can access ...
0
votes
0answers
119 views
Disable USB keyboard and mouse input
On my Rpi I want to disable USB keyboard and mouse input completely. The RPi should respond only to ssh, not on local USB HID inputs. (other USB devices should still be allowed)
The following failed:
...
1
vote
0answers
84 views
Mounting a microsd card via usb in raspbian
Plugging my blackberry into a usb port of a generic ubuntu machine shows it's microsd card as something I can mount and everything works. Here's what happens when I try to do the same thing in ...
1
vote
6answers
2k views
Webcam disconnects after a few hours of running motion
I've been working on getting a Raspberry Pi webcam set up, thanks to a how-to post on PingBin. However, I cannot get past a problem where the camera becomes lost after a few hours of taking snapshots.
...
2
votes
1answer
414 views
3G Dongle / USB Device Appears and Disappears
I have a 3G dongle plugged into my Pi. Running lsusb only occasionally shows the device occasionally in the list. When I tail /var/log/messages I see the following:
Feb 7 17:09:07 raspberrypi ...
1
vote
1answer
467 views
USB Power backfeed without Polyfuse mod
I recently got hold of a Lapdock, and was busy trying to make up my own cable adapter to turn it's Micro Male connector into a Mini Female one to make it more generic so that I can use it for anything ...
3
votes
2answers
782 views
Using USB as a slave [duplicate]
is it possible to have the Rpi act as a USB slave/device. I would like to be able to connect its usb to the USB of a standard computer, have the host machine recognize the RPI as a USB disk and then ...
0
votes
1answer
1k views
How do I make my Raspberry Pi act as a wireless USB controller?
I am trying to control my Canon 550D with the EOS Utility (on my Mac). In theory, this is what I am looking for:
The RPi plugs into the 550D and is connected to a LAN. My Mac is on the same LAN, and ...

