Sending Serial Data From Arduino To Visual Studios 2010

Dec 21, 2011

To send serial data from Arduino Mega 2560 to a VB.Net PGM, then the VB.NET pgm will read data then send to via FSUIPC (an Addin DLL) to ms flight simm 2004.OK that said here is the question: how can I write or phrase or construct the proper syntex needed to 1-limit the data sent,or in reading the data-limit the data read?I have enclosed the VB.NET code and the Arduino code. Please take a look. I am very new to both,but I try hard. all the code works but I get strange all most random data in VB. The FSUIPC end works OK, I can send to and receive from Ok.It's the VB pgm that gets the data wrong some of the time. say 8 out of 10 it is OK then button x will also turn on or off another check box then do what was aked. It seems that I am not clearing the receive buffer so I get a last chr sent before.I have tryed readline, readexisting,readbyte but I don't know how to phrase or construct any but the readline. I have tryed to flush the buffer in both codes but, well I am stuck. [code]

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Error In Serial Port Data Capture Program In Visual Studios 2010?

Apr 11, 2012

I'm trying to make a rs232 serial data logging program, that accepts a 12 bit hex RFID tagID from an RFID module. My end objective is to save this RFID tagID into a database and assigned to a person for a personnel management system.I had to use button3 to add the value of the variable 'msg' into textbox1 because I was getting the following error "Cross-thread operation not valid: Control 'TextBox1' accessed from a thread other than the thread it was created on". It is a temporary workaround.When I do press button3, I get the incomplete hex number, instead of "4C00A2C82A0C", I get "A2C82A0C", and sometimes I get random digits like 1,A,C etc etc.

Public Sub OpenPort()
Try
If SerialPort1.IsOpen Then
SerialPort1.Close()

[code]....

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Visual Basic Using Visual Studios Data Grid View Selected Index Changed Updating?

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when the user clicks on the add button another form launches, which enables the user to add student info such as name, address, course, start date and end date, this information is then written to class when the ok button on that form is clicked, and then displays the data on the initial form in data grid. the user can add multiple entries and they are all displayed on the intial form and a the data grid is populatedwhen any of the rows in the displayed grid is selected, and the update button is clicked then the same form launches as the previous one and but this time its in the update mode and pre populates the form with the inital values.

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Visual Studio Codes To Receive Data From Arduino Via Bluetooth And Display On VB

Mar 21, 2012

I am currently having problem receiving data from Arduino via Bluetooth, and display the results on Visual Studio Professional 2010. All I want to do is to receive sensor readings from Arduino which is send to the computer via bluetooth, and to be displayed on Visual Studio..

Private Sub ButtonDisconnect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonDisconnect.Click
SerialPort1.Close()

[Code]....

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Installing Visual Studios 2010 - Windows

Dec 23, 2011

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Communications :: Arduino Board: Communicate With It Using Serial Port

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I have a problem with something.I have a Arduino board I wan't to communicate with by serialport.
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Sending Data To Serial Port?

May 1, 2010

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Sending Hex Data Through Serial Port?

Mar 1, 2010

I am trying to send a command through my serial port to a external device. The format of the command frame is, more or less, like this:

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What I've written on my code is just this:

VB code
num_dec = &HA + &H3 + &H20 + &H0
checksum = DecToHex(num_dec) '2D
data=&HA & &H3 & &H20 & &H0
SerialPort_RFID.Write(data & checksum)

The problem is that when I stop the program on the Serial...Write line, I see that the data I sent is on integer format instead of Hex format.

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Sending / Receiving Data To Serial Port

Aug 13, 2009

I'm trying to control a serial port device that both send and receives data. I can receive data quite happily from the serial port but I don't appear to be able to send data to the device. The device works perfectly as I can test it using putty, I open putty select serial and select 1200 baud, the device immediately lights up and can send and receive. However when the port is set up and opened in VB the device doesn't light up so I can't send data to it but can receive data from it. According to the instructions I need to send either ASCII 'X' Hex '$58' or Decimal '88' to make the device ready.

Code (VB Studio 2005) :-
Public Sub New(ByVal synchronisingObject As ISynchronizeInvoke)
ComPortUsed = My.Computer.Registry.GetValue("HKEY_LOCAL_MACHINESoftwareNJB", "COMUSED", Nothing)
PricePerTrack = My.Computer.Registry.GetValue("HKEY_LOCAL_MACHINESoftwareNJB", "PRICETRACK", Nothing)
Me.synchronisingObject = synchronisingObject
[Code] .....

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May 2, 2009

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[Code]...

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Jul 6, 2011

I ran into this problem while trying to write a Pan/Tilt/Zoom controller program. I found some very complicated examples, but managed to put the pieces together into this simple test program.I first import System.IO.Portsthen I define a new serial port and give it the required parametersI open the com port when the form loadsI have two working buttons, one to pan left, one to stop panning. The hex commands are pre-configured.The one for Stop is A0 00 00 00 00 00 AF 0FThe one for Pan Left is A0 00 00 04 14 00 AF 1FI declare a byte array to contain the command bytes and put them into the correct position.

Code below:
Imports System.IO.Ports
Public Class Form1

[code].....

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Code:
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Code:
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I got an Arduino hooked up to the PC and would like to read the serial port of it. I read the serial port in Visual Basic with com.Readline, but it won't read everything. It looses around 2-3 lines that were sent over the serial port to the Visual Basic code. They get "lost".

[Code]....

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Visual Basic 2010 Get Volume Serial Number

Dec 6, 2010

I Need a code to Identify Volume Serial Number and put in textbox1.text

The code should work for Visual Basic 2010

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Aug 31, 2011

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Dim inputline As
String = ""
Dim command As
String = ""

[code]....

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Serial Data And Plotting In VB 2010

Dec 2, 2011

I'm fairly acquainted with VB but the underlying .Net and many of the controls and whatnot I'm not all that familiar with. Hence, I have a real hard time trying to come up with ways to solve certain problems. I figure the best way to start is try to get some general guidance and go from there.

I have an external electronic device that gathers data (no need for details here) and has an internal micro-controller that interfaces from the device to a USB port. I need to build a PC based program in VB 2010 that can get the data from the device and plot it on a graph...possibly a fairly customized graph. Let's assume there is already a driver for this device that sets up a COM port (pseudo-serial I guess it's called).

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VS 2010 Incoming Serial Data?

Oct 29, 2011

I have a controller board that is built by us that sends strings to the serial port based on inputs that it receives. The app we are working on seems to be receiving the data fine but it is displaying it in an odd way and I'm sure it is a simple problem I am overlooking. Here is the incoming code so far:

Private Sub SecuritySerialPort_DataReceived(ByVal sender As Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SecuritySerialPort.DataReceived
ReceivedText(SecuritySerialPort.ReadExisting()) 'Automatically called every time a data

[code]....

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VS 2010 - Sending Data Across TCP Protocol?

Jun 22, 2011

I'm using an Asynchronous Method to send data across the TCP Protocol. For the most part it seems to be working, but recently, I've been getting results that have missing bytes to them. How am I actually able to figure out what's missing on the sender's site and make sure all the data gets to the end? For example: my end client receives 1408 bytes of data when I sent 1532 bytes. I sent an array with a length of 1532 and the client only got 1408.

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Jan 19, 2009

I've been logging at website automation (automatically logging myself in etc...) and I've ran into an iFrame which stumped me.

<iframe frameborder="0" id="theiframe" src="javascript:""" style="width: 100%; height: 270px;"></iframe>
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[code].....

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VS 2010 Reading Data From Com / Serial Port?

Apr 3, 2012

Private Sub receive_data(ByVal sender As System.Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived
Dim aBuffer(255) As Byte
Do While SerialPort1.BytesToRead > 0

[code]....

Basically, what I am trying to do is everytime I receive data from the serial port, I turn that data into an array (aBuffer) and I then call another sub using that info.The problem I'm having is that everytime I receive data, the array only fills up to the first 8 bytes! This isn't a problem when I receive smaller packets of 6 bytes but anything else gets chopped off.

What is really frustrating is that it seems quite fickle. I've read somewhere that this happens because the computer is handling the bytes received faster than they are being put in the buffer?? Not really sure but if I put a couple of breakpoints during debug, sometimes the array fills up correctly... Note the maximum size of any one incoming message would be 255 bytes.

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VS 2010 Reading Hex Data From Serial Port

Apr 23, 2010

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[Code].....

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Dec 13, 2009

I'm trying to pass a data packet from the serial data received event.The code can capture the data without any issues.I'm spinning my wheels on getting the data packet out of the thread for further processing.[code]

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