Questions tagged [hardware-interface]
200 questions
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deviceID format for PS/2 mouse
I would like to know the DeviceID and PNPDeviceID format for PS/2 Mouse. On my system Device ID for PS/2 mouse is ACPI\PNP0F13\4&1F1D307&0. So is the format is ACPI\PNPxxxx{something} or some thing else? I mean is ACPI is mandatory for PS/2 mouse?
kingas
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Hardware to Software incorporation/interaction
I have taken interest in basic hardware interaction with software.
What's a good language to start learning to control hardware? Can Java do the job?
Jomar Sevillejo
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How do speakers split the incoming bytes
How is it that there is a Single Input to a headphone but the headphone is able to split the signals as per the channels. How is this splitting happening? To be more specific how is surround sound created by headphones with same single input ?
user2508579
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How to duplicate a Linux device file?
In our system we use mmap() on the /dev/mem file to access a memory mapped hardware device. However, using this device file requires running the application in superuser mode (sudo) in order to write to the physical device. We are looking for a way…
ysap
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Using the Hardware Button "Menu" from Android with Java
I am just about to learn myself how to create an android app. Right now I am looking for a way to use the menu hardware button. I read that I have to create a xml file, but i don't understand where I have to save that to? And what is the code for…
Brigitte Fellner
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Receiving Invalid Data from Serial Port using SerialPort.ReadExisting()
I have written a program in .NET that listens to a particular Serial Port and processes the data that is being received. I wrote a test program using com0com (the Null-modem emulator) and my program was working fine. I even tested it with…
Burhan
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Serial Data with Arduino
I am just starting to learn about the Arduino. I have a 1 meter LED strip from Radio Shack to play around with.
The strip came with a sample program so I looked at it and whittled it down to the basics, but I don't understand what's going on. I am…
user1615965
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Keeping device functionality inside device controller rather than OS kernel. What are consequences?
A friend of mine asked me this question in the class and I could not answer it. He asked:
Since we know kernel controls the physical hardware via device drivers. What if all this functionality is kept inside the device controller itself rather than…
Hammad
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Connect to cisco router with c++ via serial interface
I want to connect to Cisco router from my c++ application.
Need it in order to get interface status.
My linux station (Ubuntu) and the router connected via serial interface.
connected from puty or minicom or Console Connections work.
for…
Avihai Marchiano
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Raspberry Pi - how to load RAM programmatically through SD interface?
I would like to have some kind of mechanism to somehow load the RAM on the Raspberry Pi programmatically from a controller computer (I assume through the SD interface) and then let the Raspberry Pi's CPU execute. Is there some kind of device that…
Stephane Grenier
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Can't get OpenHardwareMonitorLib.dll to work
I've found very few examples of how to get OHM working in c#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OpenHardwareMonitor.Hardware;
namespace OpenHardwareMonitorReport
{
class Program
{
…
Josh Elias
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capturing network packets with accurate timestamp
i'm capturing network packets( a transport stream) along with its arrival time using winpcap library. But I'm facing some issues.Whenever I play audio on my machine or copy a large file from network, the timing information of my captured packets…
Ashish
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high-performance continuous communication with a daemon
I need several client programs (stereo DSP audio generators) to be able to continuously, bidirectionally communicate with an external peripheral on an I2C bus, at a data rate of around 16kB/s with updates occurring every 1ms, all running on a 700MHz…
damian
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Windows COM port for IPC
Can the Windows COM port be used by two programs running on the same PC for inter process communication? Our ultimate goal is to write a program which communicates over COM port to control a hardware. Since the hardware is not available we want to…
thequark
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Implement multiple hardware interfaces in WPF Desktop App
I want to make a Desktop application with WPF(.net 5). In this application, I want to connect various hardware devices(sometimes simultaneously) via a USB port, Serial ports/Com port (e.g. RS232), etc.
I want the application to talk both ways.…
rcode
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