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by: Greg Pedder |
last post by:
Hello. I have an application that uses the Java Communications API to use a
modem. At startup,
the application checks to see what serial devices are connected. For each
serial device, the app
tries to write some "AT" commands to make sure it gets back "OK" from the
modem. At this point
all the ports are closed and the application goes into a serversocket accept
blocking call and waits
for any connections.
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by: Ky Nguyen |
last post by:
Hi all,
I would like to obtain a piece of codes (a full version or just an
example) dealing with asynchronous communication via COM: serial port. I
dont mind whether it is window-based or console-based.
If someone knows a good source that documents how to establish, send,
and receive via serial port, please direct me there.
Thanks in advance.
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by: andyI |
last post by:
Where do I find information on how to address and pass
data to and from the serial ports and USB ports in VB.
VB6 supports the serial ports easily but I see no
reference to using the USB ports.
VB.net literature does not provide any coverage on either
the serial ports or the USB ports.
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by: Steve |
last post by:
Hi All and seasons greetings.
Is there an easy way of getting a list of current Comm ports on a machine?
I suspect that most machines these days have 1 and 2, but there could be
others and I would like to get a list of them to offer the end user.
Many thanks,
Steve.
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by: Padu |
last post by:
Hi Everybody,
I'm a newcomer from the Delphi world and I'm going to start developing my
new project (a robot control app) in C#. One of the requirements is to
communicate using RS232 (well, RS485, but the app doesn't care really).
I was googling a bit and I saw a couple of good articles using P/Invoke, and
I'll probably do that, unless I find something like Turbopower's Async (find
them on sourceforge.net). It is a very powerful...
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by: joaquimfpinto |
last post by:
Hi All,
I've an application that write and read from different serial ports.
I made a class with an object from Charon Communications.
On the main form I create several instances of that class, depending on
the number of serial ports I want to handle, and control any input data
with a timer that is checking the machine attached to the serial port
and whenever there is information the data available is triggered.
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by: Hank |
last post by:
Hello,
I would like to get some opinions on using the Comm Port with
Access 2000. We have a few jobs coming in that require us to interface
with a PLC via the Comm Port. My partner feels we should use a Visual
Basic Front End and the VB component as opposed to Access.
Has anyone had good luck interfacing to a Comm Port using
Access?
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by: alvatar |
last post by:
I am doing a project on microcontrollers and want to be able to send and receive data via RS232 serial cable.
Right now, my PIC microcontroller code is able to send string data to the computer and HyperTerminal will output the strings. However, in order to manipulate such data I found out that Visual Basic is needed.
So I tried creating a basic Visual Basic window application using VB Express 2008 just to read bytes sent from serial, using...
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by: rajujrk |
last post by:
hi, currently i am doing the project to send the sms from PC to Mobile and vice versa using GSM modem. I successfully done this process in Hyperterminal.
First i connect the GSM modem in COM1 port
then set the baud rate to 9600
and execute the AT commands in hyperterminal and its works fine..
But my problem is that to do the similar process in java..
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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