usb

How do you do hardware handshaking with a usb to matlab?

How do you do hardware handshaking with a usb to matlab? We have already accomplished this with a serial, but now need to do it via usb. ...

Android: Communicating with a USB device which acts as host

We have made a device which can act as an USB host or slave and processes the data it receives. I want to use the Android phones to send the data to it via USB. My research leads me to conclude that we cannot use Android devices in USB Host mode without modifying the hardware or OS. Doing so is not an option as this is going to be a com...

How can I limit USB2.0 transfer rate on linux ?

Hi everyone, I have a simple project which can limit USB2.0 transfer rate on linux. With this program users can select any transfer speed they want, let say 10 Mbps. But I don't know where to start or what to do. I will be very glad if you have any idea. An useful library or function or whatever. Thanks in advance for any help. ...

froyo apps2sd, can a widget go app2sd

froyo apps2sd, can a widget go app2sd, once usb is mounted widget gets uninstalled, you unmount the usb it never enables again, tried enabling it programatically, no luck, can any body help ...

run any app off a USB drive?

Hey, guys, do you have the experience of running your daily used apps off a USB drive? Which is I am now trying to do. But I find that only portable apps can be run like that. while some apps like MS office are not portably available. How can I do that? ...

Finding programming challenge for a (probably) Qt project with tight time frame (interview level)

Dear stackoverflow: What would you suggest would be a good challenge for a programmer to show us her/his skills? I'm thinking of a small demo implementation of a GUI program which would not take too much time to do. Here are the circumstances: (this should not imply the intention to find programmers here, I think there'd be other forums...

web develop + usb notification

In a local area network is lamp-server, on which the site is located. On the client computers (winXP, Ubuntu) network running opera / firefox (mode kioskmode). Opera-kioskmode local_site.ru.dev Is it possible to doing what any script / code local_site.ru.dev - access usb devices (flash drive, SD card and other drives) connected to ...

USB communcation on jailbroken ipad

Hi all, I would like to build a controller for a robot which would communicate through USB to an iPad. However I don't have an iPad yet as I don't if it is ever possible to build such software (even with jailbreak). So I have a few questions for those iPad owners: In a jailbroken iPad is it possible to use iokit for usb communication th...

Programming USB in embedded system for sending some data to host for printing

I have been tasked with writing a USB driver for our embedded software to send raw data to Host. This will be used to send some logging data to host. We are using iMX31 litekit for development. From the documents that I have read on USB, my understanding is that the embedded device will be in device mode only. Also it will only be commu...

java jni self wake up on usb

I have an existing java and JNI based application which reads successfully from a usb device. I need to add a feature that when the device is plugged in, my application should wake up. Can anybody please point to similar solutions with examples and docs ? i need to do this in mac only. ...

Controlling a USB device from a web application

I would like to be able to control a USB device from a web application. I was hoping to use Adobe Flex but I don't think that Flex can support access to USB devices. Is this possible using Java applets, or a similar approach using .NET? Thanks. ...

USB HID Report Descriptor for Mouse Horizontal Scroll and Back Button

Hi, I'm building a USB mouse using a microcontroller, I have built one with vertical scrolling before using USAGE (Wheel) but I am not sure how to replicate the horizontal scrolling and back button features that a lot of good mice has. Does anybody here have experience with USB HID report descriptors who can help me? Can anybody who hav...

How do I tell OS X to ignore the input from one of two connected USB mice?

I have two USB mice connected to my Mac, one of which I'm using as a scanner. I need access to the Generic X and Y data but I don't want that data to move the cursor. How, under either carbon or cocoa environments, do I tell the system to ignore the mouse as a pointing device? Edit: after some digging I've found that I can turn off mou...

USB file transfer on iOS

I want to write an app that stores its data in a file that can be retrieved and transfered to the user's PC. Does the iOS support file transfers over USB (through my app or through a mass storage device type feature). Preferably, I do not want to write a client for the PC to receive the files, and I want to prompt the user about new file...

sending raw data through usb on linux

Hello, I'm printing some labels on a Zebra TLP-2844 printer, and been doing it fine on windows by sending the EPL instructions to the shared USB printer, as following: type Label.prn > \my-pc\zebra and it seems to work with serial ports to with type Label.prn > COM1 Now i'm trying to to the same on linux, but it's getting re...

I'm having trouble finding example code for libftdi's mpsse (SPI) mode.

This is not a homework problem, though it is a work problem. Where months ago, I would have just written up a specification and the boss would have contracted it out, money's tight. So I'm trying to do this myself. I'm a weak C coder, and I'm lucky if gcc spits out something that will run without segfaulting, or sometimes anything at al...

Getting Info on NON_HID USB Device

How can I get details on NON-HID USB Devices? Like the serial number, etc in c#? I have created successfully a sample application to retrieve those information on HID only devices but not on NON-HID USB Devices. ...

USB Mouse custom driver

Is there a way I can create a USB Mouse driver for windows? I want to be able to plug in two mouses (or maybe 3, or 4) and interpret it's movement's and keypresses for an application I'm developing, in a way Windows won't even know there is more than a mouse plugged in. ...

Working with SharpUSBLib

Hi, i'd like to connect my Android smartphone from an .NET application. Anyway, SharpUSBLib looks like it can do this. Does anyone know so good tutorials about working with SharpUSBLib? I did't find any and don't know how to use it. Tanks! ...

Check which key to hit to boot from USB or CD?

I need to check which key the user must hit to boot their PC from a USB key or a CD. Does it depend on the BIOS maker, or on the maker/model of the motherboard? I was told about the nice, open-source Speccy to get some information on the hardware, but is there a library that I could use to get the same info from a (.Net) program and te...