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Search found 76 results on 4 pages for 'rs232'.

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• How to find an embedded platform?

  - by gmagana

  I am new to the locating hardware side of embedded programming and so after being completely overwhelmed with all the choices out there (pc104, custom boards, a zillion option for each board, volume discounts, devel kits, ahhh!!) I am asking here for some direction. Basically, I must find a new motherboard and (most likely) re-implement the…

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• Datareceived Serialport event stops raising after some seconds

  - by Mario

  Hi, I was hoping someone could help me out with this problem. I have a system (VB .NET) where I must read a person's weight (RS232 Sluice) and id (Fingerprint - 2 biometric reader, rs232) and compare it to a database. I have 3 serialports in my app, one for the sluice and the other 2 are to receive the id from the fingerprint readers, both…

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• VT100 (color) serial terminal software for 640k PCs?

  - by Xepoch

  I've come across an old PS/2 Model 25 and want to run a simple RS232 console on it. Any suggestions for a simple, 3.5" floppy-based program that would fit in 640k (clearly I would never need more than that :)

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• Using Ubuntu with a dial-up connection

  - by Robert Heller

  Is it possible to install Ubuntu on a machine with only a dial-up connection? That is, does the Ubuntu install CD come with everything needed to set up an Internet connection using a dial-up modem (I have a USRobotics Courier V.Everything connected to a RS232 port on a Lava Quattro-PCI). I presently run CentOS (5.9), which does include…

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• What web browser supports <device> tag HTML5?.

  - by Felix Guerrero

  I read some time ago about the possibility to use media stream from a USB or rs232 device with the tag such as a webcam with HTML5?. Is there a web browser that supports this right now?. (nighty builds of chrome, webkit...) Thanks.

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• Sending a file to uCLinux

  - by Mike

  I have a board running uClinux, and I need to send a file to it, but I'm not sure how... I have a RS232 port, and Ethernet port with an IP address at my disposal, I can telnet to the board, but uCLinux doesn't have a built in FTP client. What sort of options do I have here for transferring files from my Windows 7 (or OpenSUSE)…

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• CodePlex Daily Summary for Saturday, November 26, 2011

  CodePlex Daily Summary for Saturday, November 26, 2011Popular ReleasesTerminals: Version 2 - Beta 4 Release: Beta 4 Refresh Build Dont forget to backup your config files BEFORE upgrading! As usual, please take time to use and abuse this release. We left logging in place, and this is a debug build so be sure to submit your logs…

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• Design help with parallel process

  - by brazc0re

  I am re-factoring some code and an having an issue with retrieving data from two parallel processes. I have an application that sends packets back and forth via different mediums (ex: RS232, TCP/IP, etc). The jist if of this question is that there are two parallel processes going on. I hope the picture below displays what is…

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• Help with Abstract Factory Pattern

  - by brazc0re

  I need help with a abstract factory pattern design. This question is a continuation of: Design help with parallel process I am really confused where I should be initializing all of the settings for each type of medium (ex: RS232, TCP/IP, etc). Attached is the drawing on how I am setting up the pattern: As shown, when a…

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• USB to Serial cables with CDC support

  - by Harsha

  Hi all, Are there are USB to Serial cables with CDC support? I recently bought these below mentioned cables which claims that they are CDC 1.1 complaint. However, when we received the cables on our verification we found that they were reporting vendor specific device descriptors. Manufacturer Barcode Part Number Quantity…

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• How can I Unescape and Reescape strings in .net?

  - by firoso

  So here's my situation. I am working on an editor for a communications channel that works over an RS232 serial ASCII terminal. Let's not go into detail for that ;-) To simplify, I need a textbox on a WPF control that can take in text like "Commit\r\n" (which is the .net string "Commit\r\n") and convert it back to…

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• weird characters displayed during serial communication OSX

  - by nemo

  I have tried communicating via serial (OSX w/ prolific drivers - USB RS232 adapter - Tx,Rx and GND pins on device serial ttl port) to a device and done so successfully using screen /dev/tty.usbserial 115200 8N1 I get to log in and use it as if I was SSH or TelNetted in... However whenever I try to go into…

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• Need help with displaying the message correctly in the pole display

  - by SA

  Hi, I am using an HP RS232 pole display with the following setting: Char type: USA/Europe (default) Command mode: EPSON (default) Baud rate: 9600, n , 8, 1 (default?) Passthru None (Default) Here's the code using System.IO.Ports; private SerialPort port; port = new SerialPort("COM2",…

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• Write a dll that is accessable from VS 2003 VC++ code

  - by John

  I need to be able to write a DLL in either C# or VC++ that is accessible from code that is written in Visual Studio 2003 VC++. It looks like the code is unmanaged (uses * for pointers) VC++ and this DLL needs to be able to drop right in and be accessed by the current code. The DLL is an RS232 driver that…

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• Communication between state machines with hidden transitions

  - by slartibartfast

  The question emerged for me in embedded programming but I think it can be applied to quite a number of general networking situations e.g. when a communication partner fails. Assume we have an application logic (a program) running on a computer and a gadget connected to that computer via e.g. a serial…

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• Linux: How to find all serial devices (ttyS, ttyUSB and others)?

  - by Thomas Tempelmann

  What is the proper way to get a list of all available serial ports/devices on a Linux system? In other words, when I iterate over all devices in /dev/, how do I tell which ones are serial ports in the classic way, i.e. those usually supporting baud rates and RTS/CTS flow control? The solution would…

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• C++ Serial Port Only Responding Once Using Write()

  - by Pfeffer

  All the code below works. My device responds, C,7 is a reset. When I run this the second time it doesn't respond. If I manually turn my device off and on, then run this script again it works. But not if I press the button to run the script the second time. RS232: 57600,8,N,1 Any ideas?? Is there…

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• .NET SerialPort DataReceived event thread interference with main thread

  - by Kiran

  I am writing a serial communication program using the SerialPort class in C# to interact with a strip machine connected via a RS232 cable. When i send the command to the machine it responds with some bytes depending on the command. Like when i send a "\D" command, i am expecting to download the…

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• problem with two .NET threads and hardware access

  - by mack369

  I'm creating an application which communicates with the device via FT2232H USB/RS232 converter. For communication I'm using FTD2XX_NET.dll library from FTDI website. I'm using two threads: first thread continuously reads data from the device the second thread is the main thread of the…

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• Linux: How to find all serial devices (ttyS, ttyUSB, ..) without opening them?

  - by Thomas Tempelmann

  What is the proper way to get a list of all available serial ports/devices on a Linux system? In other words, when I iterate over all devices in /dev/, how do I tell which ones are serial ports in the classic way, i.e. those usually supporting baud rates and RTS/CTS flow control? The…

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• C# problem with two threads and hardware access

  - by mack369

  I'm creating an application which communicates with the device via FT2232H USB/RS232 converter. For communication I'm using FTD2XX_NET.dll library from FTDI website. I'm using two threads: first thread continuously reads data from the device the second thread is the main thread of…

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• Dependency Injection: I don't get where to start!

  - by Andy

  I have several articles about Dependency Injection, and I can see the benefits, especially when it comes to unit testing. The units can me loosely coupled, and mocking of dependencies can be made. The trouble is - I just don't get where to start. Consider this snippet below of…

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• Controlling the USB from Windows

  - by b-gen-jack-o-neill

  Hi, I know this probably is not the easiest thing to do, but I am trying to connect Microcontroller and PC using USB. I dont want to use internal USART of Microcontroller or USB to RS232 converted, its project indended to help me understand various principles. So, getting the…

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• Multiple data series in real time plot

  - by Gr3n

  Hi, I'm kind of new to Python and trying to create a plotting app for values read via RS232 from a sensor. I've managed (after some reading and copying examples online) to get a plot working that updates on a timer which is great. My only trouble is that I can't manage to get…

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• CodePlex Daily Summary for Tuesday, April 27, 2010

  CodePlex Daily Summary for Tuesday, April 27, 2010New ProjectsActive Directory User Properties Change: A complete application in VS 2005 and VB.NET, for Request Request in User Details in Active Directory, with flow to HR and then to IT for approval ...AVR Terminal: A Windows…

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