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Questions tagged [hardware-interface]

200 questions
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Hardware supported OS functions

I would like to know major hardware supported operating system(generic) functions or the categories of that. Is there any link or reference materials I can refer?
Nix
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adding/using ak4554 codec chip to raspbian-Jessie (Raspberry pi)

I am using python3 as my application language on the PI. My specific problem is, I need to interface with the [AK4554VT chipset][1] for audio support on a raspberry pi 3, running raspbian-jessie. I have found a reference (below) that appears to be…
Daniel Loranger
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Low level (voltage) access of headphone input in android

Is there an API in android to access the headphone hardware input? Ideally I'd like to be able to directly read the incoming voltage/current. Accessing this in either Java or the NDK would be fine. Preferably if there's a way to do this on non…
Falmarri
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Is it possible to gather information about computer hardware using Java?

If so, then how? I'm doing a team project for school. I thought that Java couldn't actually access hardware directly, since that would make it hard to be cross-platform. I need to know this, because after some quick Googling, I haven't found…
Jordan
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Is it possible to obtain STEM detector signals?

I'm writing a DigitalMicrograph script to acquire a mapping data of scattered electron intensities obtained from such as an ADF STEM detector, under various incident-beam conditions being controlled by a handmade script. But, unfortunately I don't…
kachigusa
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passing C format to nodejs buffer

I'm trying to use a blinkm led from node.js using the node i2c-bus package. The problem I'm having is that the blinkm expects the color of the led to be set using the format {'n',R,G,B}, which will actually be {'n',0xff,0xee,0x30}. Using the…
pedalpete
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Web application and hardware interaction

First off, let me apologize if this has been asked already, but I can’t seem to locate a solid answer. Is there any web application language or related process that will allow a web app to interact with the local PC hardware? I am trying to see if…
Jeremy
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Communicate with client-side application via PHP or JavaScript (Intranet)

I'm new inquirer but I've been around for a long time here at SO. I need some advice with a system my team and I are developing for a project. TLDR: Our web-app wants to send commands to a client-side applications. I know this is insecure, but it's…
user2437242
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Best Practices: Handling disconnects of hardware in classes that represent them

I'm working in VB.Net developing data logging software. I've developed classes implementing a common interface that works with many of the data loggers my company produces. These classes handle the low-level hardware interfacing and expose common…
Andrew
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How are instructions dispatched to devices in a computer?

This is my mental image of what happens and I am hoping for some corrections, clarifications and maybe even more details. Basically, when the computer is powered on, the BIOS loads all devices on the PCI bus and makes them available at a certain…
Matt
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How does software interact with hardware at the lowest level?

I'd love to know/see some example code from the lowest level. By this I mean the code that for example, sets the voltage to the speakers, or something equivalent. I can't imagine how this would look/work. How could a piece of code possibly…
CS Student
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What is the most suitable virtual machine software for sharing hardware ports (COM, LPT etc) at register level?

I'm using Delphi to develop real-time control software and over the last couple of years I have done some work running older Windows installations under Microsoft's VirtualPC and it works fine for 'pure software' development (i.e no or limited…
Brian Frost
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Get print through 2 tray printer along printing status using PHP

I want to print some text on page with strict position specifications by multi tray printer. Both the printer trays will be used alternatively at run time to print different designs. As I know PHP can not handle it alone, and it need some help of…
Rajan Rawal
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PC hardware port access from Java on Linux

What is the Java-on-Linux equivalent to the C byte-sized PC-architecture hardware port input/output functions? For output there is outb as in this: tmp = inb(0x61); if (tmp != (tmp | 0x01)) outb(0x61, tmp | 0x01); For input there is inb as in…
H2ONaCl
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How to send commands from iPhone to a hardware device?

I have been assigned a project in which I need to send commands to hardware device. The hardware device is supporting CAN Bus command control.
androider
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