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Questions tagged [hardware-interface]

200 questions
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6 answers

Is there a virtual/dummy IMAQ camera for LabVIEW?

I'm writing LabVIEW software that grabs images from an IMAQ compatible GigE camera. The problem: This is a collaborative project, so I only have intermittent access to the actual camera.I'd like to be able to keep developing this software even when…
AndyL
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How to get the address of mmap-ed memory in Python?

I cannot figure how to get the virtual address of the standard mmap objects in Python (from the mmap module). The documented methods only seem to access the memory as array of bytes or as character strings. But I need to access the mmap'ped memory…
ddbug
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4 answers

Finding device base address to communicate via inb() and outb()

I am trying to communicate with a disk drive using inb(), inw(), outb() and outw() commands so I can find specific information about the drive. However, to use these commands, I need the correct I/O ports for the device. When I have the correct…
Kevin S
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How to make the simplest software-controlled ON/OFF hardware with Java?

I want to make the simplest and most reliable on/off device controlled from a compuer software (Java). I was thinking about sinus sound singnal + RC filter with relay for specific frequency, but unfortunatelly I can't use sound card - it is already…
Piotr Müller
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2 answers

.NET compatible qr scanning devices

Does a scanning device exist which allows easy communication with the .NET framework? The scanning device needs to be: Portable (so it should be able to store data within itself until connected to a pc) Should be able to scan QR Codes, and display…
oshirowanen
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1 answer

Can we use External Accessory framework for wifi?

By searching and reading the documentation I found that I can connect to external device by bluetooth and USB port but I did not found any thing by connecting wifi . Can I use External Accessory framework for 1:My device is only supporting…
androider
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COM vs WMI for Information providing

What is better method to use if I would like to provide the user with some information about my Hardware device. Should I develop a proprietary COM Library or should I develop a WMI provider?
Baget
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How to preserve user choices between sessions in Google chrome?

It is possible to access certain types of privileged hardware in Chromium based browsers. Is there a way to preserve the devices that permission was granted to? Or does it have to be requested every time? Bluetooth and SerialPorts are examples. The…
xerotolerant
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1 answer

Integrate Fingerprint Scanner with Web Application

I want to Develop a web application, which accept fingerprint from client machine using any mouse with fingerprint scanner whose SDK supports ASP.NET. And this fingerprint will be cross verified at server side database to authenticate the user. Is…
user889247
3
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2 answers

How to detect external device in android

I want to write a program to detect any external device with which my android phone is connected. eg if I connect to computer to share though usb mass storage or if I connect for charging. Which API or package in android is responsible for hardware…
Sunil Kumar Sahoo
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1 answer

Forth - how to implement words to access bitfields in the hardware register?

I use Forth for interactive debugging and automatic initialization of the FPGA-based hardware (see https://github.com/wzab/AFCK_J1B_FORTH ). Last time I started to add the support for bitfields in the registers accessible via IPbus or Wishbone…
wzab
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1 answer

Reading a 4 µs long +5V TTL from a parallel port -- when to use kernel interrupts

I've got an experimental box of tricks running that, every 100 ms or so, will spit out a 4 microsecond long +5V pulse of electricity on a TTL line. The exact time that this happens is not known ahead of time, but it's important -- so I'd like to use…
Landak
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iPhone as a robot controller

I have successfully used Pocket PCs in the past (using the serial port) to control simple robots (small rovers). Looking around here and on Apple's developer website, it seems that starting on 3.0, they do allow applications to communicate (and even…
Padu Merloti
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How to read RS232 port through PHP

I'm trying to make a connection using PHP socket libraries but its not working is there any alternate way.
Mahendra Jella
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read chip-id from pci- / pcie-card

A few months ago I had to write a small tool to program the eeprom of a rtl8139-card. It's basically the rtl8139-diag tool stripped down to read/write the eeprom. This tool has to be extend to be able to program the eeprom of rtl8101-cards now. This…
user156676
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