How to read the data coming from exiting TCP port, for example with Skype chat, GTalk chat, Facebook chat i need a code that can read data from exiting TCP port, for example (443, or any other), and these data come from Skype chat for example, gtalk chat, facebook chat ..
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I'm mohammed from Oman ,I'm visual studio.net programmer How I can Read the Data From Barcode Weight scales By Serial port and TcpIp port
View 7 RepliesI;m attempting to write code to read several NMEA ports and format the data for archive. When I execute the following code:
Using Commportno As IO.Ports.SerialPort = _
My.Computer.Ports.OpenSerialPort(portName:=port)
Dim Incoming As String = Commportno.ReadLine()
In My application I need to retrieve/Read data from USB port. Is it possible to Read data from USB cable?
View 3 Replieshow to read data from usb port in vb.net
View 1 Replieshow to read data from usb port in vb.net
View 2 RepliesWhen using the SerialPort component in VB.Net, and when the event DataReceived occurs, and if we assume that the com port read 13 digits (Bar Code), how to read the whole data received (i.e. 13 digits) while in event without letting the event repeats 13 times and write the 13 digits AFTER COLLECT THEM in a text box (I don' want to write one-by-one digit in the textbox, all at once)
briefly: I want to read the whole data from COM port at once and write the whole data (not digit-by-digit or byte-by-byte)to a textbox.
I know it is SERIAL port but I want to write the 13 digits PARALLEL to a textbox!
i am a absolute beginner and i want to use vb to receive data from micro controller through serial port using rs232 standards, i found this code to receive the data serially, can any one tell me where should i paste this code, so that the data received will be displayed in message box.Private Sub DataReceived(ByVal sender As System.Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) HandlesSerialPort1.DataReceived
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I have a device which send me data over a particular port. The data is in XML Format.
Now I already did a small console application which listen for the data and print out the data on the screen.
Now my plans are to deserialize the xml data or I will create the insert statement into the database.
1) The device send me the data every second (if there is data to send me).
2) I cannot say how much data the device is going to send me.
How can I make sure to capture all data without loose any information..
I am trying to read data from rfid tag using rfid reader. i can connect reader, but cannot get data?
View 4 RepliesI am using a VB.NET(VS2010) to read data from serial port. I have 8-bit data to collect through rs232. This data is represented numbers. What reading method should I use and how to convert it to double format?
View 4 RepliesI need to read data from the serial port Ive used serialport from the toolbox , but dont know how to use it. I used to do it on a Amiga like this
open serial("serial.device".0.2400.0) rem(open port)
repeat GW.w=readserial(0)
if gw>29 and gw<128
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I am trying to read data from serial com1 port. Now, I am not sure how to send. I found so many method to send but that are not so good and I cann't read any data. I am using VB.net 2005. Which is the best way and how can I read and send?
View 1 RepliesI need to write and read data from a RS232 port. On the RS232 port there is a RFID Card reader-Writer connected. So I need to send hex codes to the device, and have to poll every 1sec if there is a card in the system. If there is a card I need to read the info that is on the card. My biggest problem is I think is that I am not sure how many characters there will be in return after the read command (maybe it is always the same length this I am not sure). What is the right way to read-write to the com port. So I always got the same result and not skipping a code.
View 12 RepliesUsing Visual Basic 2008 How can i read data returned from the serial port . also how can i clear the buffer.
View 6 RepliesI want to create an application in VB.net that will read data outputted by a RFID reader on serial port.I want to know how will my application be able to identify the interrupt generated by Serial port and will read data from there?
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I have a problem with my program. i can't read any data from serial port. when i click on open the rs232 has to read but it doesn't.i use the program in a pdf(ADAM-4000_Ed-15).[code]
View 3 RepliesI am trying to make a program in vb 2005 to real all the data from a device connected on Serial Port (Com 1).i did this: [code]and this is how i want to reciveit.when i lounch the program i only receive first line "410001+00000001" and after that i get on the device rs232 error.
View 6 RepliesTrying to read data through the virtual COM port created by bluetooth.
The original console program (and the trimmed version below) was designed to read data from serial port COM1 and output the data to notepad. The program works; hook the bar code reader to COM1, activate bar code reader, swipe card, bar code reader beeps, data input collected from COM1 and sent out to notepad.
The problem: Bluetooth is wanted instead of serial cable.
We disconnected the serial cable, we connected a USB bluetooth receiving device onto the XP. XP installed the bluetooth device drivers 'Generic Bluetooth Radio' and 'MS Bluetooth Enumerator'. Bluetooth detected the bar code reader device and created COM5 outgoing SPP slave and created COM6 incoming.
But now; activate bar code reader, swipe card, bar code reader beeps, NO data input collected from COM5.
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Using 2008 VB.Net trying to do serial communications. I have a Scantron scanner I can send data to it, but I can not get read data back sent to my serial port. I have tried ReadLine, ReadByte, etc. but i'm not capturing anything, and I don't understand the DataReceived event. [Code]
View 15 RepliesI should use the Timer_Tick function, to loop a data read from a COM port. The object i call uses a method that closes the thread after a fixed timeout.
obj.Read(N byte) //--> if no data come within 500ms close the thread
My question is: considering that the Timer_Tick function will be called every (for example) 100ms, How long does the total execution last? Timer_tick time + Thread Timeout (100ms + 500 ms = 600ms) or just the Timer_Tick time (100ms) causing the anticipated thread closure/crash?
i am trying to write-read data from serial port but it don't work my code look like this
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I know how to open a communications port and read data from a wired usb device.
How can I open a communications port to read data from a wireless bluetooth device?
I'm having trouble with parsing an XML data from serial port.Actually I need to parse it automatically after all data is received from serial port.I can display all the data in a richtextbox control and all data is received perfectly but my problem isit seems that serialdata.eof function seems like it's not firing.
here's some of my code:
Private Sub frmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'set serial port properties
With COMPort
.BaudRate = 19200
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what i need to know is how can i automatically parse the XML data from serial port after all data is received.
i am trying to write a simple programme to allow the user to open and read data from a RS232 port on a medical equipment and save the data into text file. Iam not a techie. I am totally new to programming save a few projects in foxpro(lol.....yeah oldshool).
View 4 Repliesim using vb 2008 to read serial port data. my requirement is as follows, when the data is received from the serial port a timer is enabling in order to blink a button saying "tank empty". so i have written the code with the aid of this forums. but now my problem is the blinking button function is not working. first i thought its cuz timer is not enabling inside the serial_dataReceived event. so i invoked a dummy label. so the timer works. but its blinking function is not working.
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I have a quick question regarding the serial port and timer tick event. Basically i have a micro processor connected to the PC via the serial port. With a baurd rate of 38400 set.When the PC sends the micro ":K + VBCRLF" the micro response with a string of information (ASCII encoded) and delimited with a "," and at the end of the transmission a cartridge return line feed is added.Example of sent string:
"12,1134,123,545,76,6868,34,232,1,2,3,6,7,8" These numbers are then split using the VB mystring.split(",") function into an array of strings, then the numbers are converted using ctype. After which my UI is then updated.I have Witten the code in a tick timer event using a timer count of 300ms. Although the program runs and the UI is updated i end it with lots of exception errors. I think allot of this is down to the serial port either timing out or not reading complete string.Or possibly the timer has not executed all the code before another tick event happens Even after adding a few try catch statements i am still having problems. Can anybody suggest a better way of doing it?I was thinking of using a do while loop and at the end a sleep function instead of the timer tick event.I need the speed as i am trying to read and display live data.
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I have kept a webbrowser and 2 text boxes and one button when my application start it opens facebook page in browser and then i put the id and password in textboxes and then clik on the button then i got loged in but i want that if i looged in it will logout in every 10 sec. can anyone help in this topic
View 1 Repliesi manage to export a data coming from listview to excel here is my code
Try
' Open output file
Dim os As New StreamWriter(filename)
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how to set the size of the cell in excel? i mean how to change the width?
