Midlet with access to IrDA/serial communication on PDA urgently needed!

Hi folks,
our solution needs access to the IrDA or serial communication from within a midlet. Unfortunately this is not possible with the current MIDP implementation. The mobile we are using has additional vendor specific classes, but still IrDA fails when connecting to other mobiles or PDAs. Therefore, we are looking for a KVM on WinCE/Palm which provides access to the IrDA or serical communication channel in order to develop our application on a PDA while waiting for MIDP 2.0 to come.
Please send me some feedback ;-)
Cheers Harald

Indeed the serial port access to the IR port is supported in the latest WSDD releases.

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I am having a very difficult time with accessing my music from the cloud. I need to have itunes open on my laptop in order for it to work. And as soon as I close out itunes on my laptop, it gives me a warning that all users will be logged out. Help!!!

Where are iTunes files located?
No, I do not mean just the music. Copying just the media/music files or the media folder creates problems.

When trying to work with Agilent 34401A multimeter (serial RS-232 connection), HP34401A Getting Started.vi gives always the message: "Error 1073807369 occurred at Old VISA Open ".

Baud rate and parity are set correctly, RS-232 cable is also connected correctly. My QuickBasic program has no problems to read and write to the Multimeter. It is obviously a software problem: the same error is persistent if I disconnect RS-232 cable.
I downloaded NI-VISA 2.6 for Windows 95/98/NT/ME/2000/XP frorm digital.ni.com and installed it. But it did not help.
Thank you in advance
Best regards
Alexei Soloviev

Hi Steve
I have problems with the 34401A and serial communication. Do you remember
where the error was in the code ?
Thanks
Klaus
wrote in message
news:[email protected]..
> Alexei,
> This may or may not help, I was tasked to do something similar
> recently and found an error in their driver. The GPIB VISA worked
> fine, but when I tried it on serial it played up. There was an errant
> carriage return (or CR/LF I can't remember). GPIB liked one and Serial
> liked the other. It always amuses me that we never have problems with
> Quickbasic!.
> If you want me to dig deeper give me a shout.
>
> Steve Watts
>
> On Thu, 24 Jan 2002 06:16:55 -0800 (PST), "Alexei V. Soloviev"
> wrote:
>
> >When trying
to work with Agilent 34401A multimeter (serial RS-232
> >connection), HP34401A Getting Started.vi gives always the message:
> >"Error 1073807369 occurred at Old VISA Open ".
> >
> >Baud rate and parity are set correctly, RS-232 cable is also connected
> >correctly. My QuickBasic program has no problems to read and write to
> >the Multimeter. It is obviously a software problem: the same error is
> >persistent if I disconnect RS-232 cable.
> > I downloaded NI-VISA 2.6 for Windows 95/98/NT/ME/2000/XP frorm
> > digital.ni.com and installed it. But it did not help.
> >Thank you in advance
> >Best regards
> >Alexei Soloviev
>

Problems with Serial Communication using Labview 6 and Solaris 8

I am working on a Driver for a Temperature Controller. But I am stuck at the very basics. I am using Labview 6 and the platform is Solaris 8 on a SUN Ultra 60 Workstation. I can not get the Serial communication to work. When I am running raw (uncompiled) code it works (I can read from and write to ttya and ttyb) but once compiled I get error code 37 (device not found). I have tried the following steps to fix this with no luck.
1) I made sure that the "serpdrv" file is in the same folder with the executable. I also make sure the serpdrv file is added as a support file when building the app.
2) I changed from using traditional serial VI's to labview 6's new visa functions. With these "new" VI's when
I try to initiliaze the visa device and wire a control to the "visa reference" input only 1 serial port shows up (ASRL2, missing ASRL1). I am not sure if this is part of same problem or whole new issue.
3) I reinstalled both visa and labview 6.0.2 update hoping this would help with no luck
4) I placed the following entry into the ".labviewrc" file
labview.serialdevices: "/dev/ttya:/dev/ttyb"
If anybody has had the same problem I would love to hear about it and if you have any solutions
Jamie Shea

Hi Jamie,
1. Do you have NI-VISA driver installed on the machine on which you are running this executable?? If you are trying to run the executable on the same machine on which the development program has ran fine, then you can ignore this point.
2. If you have done all the changes that are suggested by other discussions related to this topic, then try changing the Port input to Visa Serial Configure.Vi from a control to a constant and try it. In some case, I have seen this to do the trick. I think this point should solve your problem. If it does do tell me. :-))

Serial communication with forms developer

How I can send character to a serial port with form developer 6.0 on winNT 4.0?
Thank you, P. Guerriero.

If you're using a serial connection can you talk to it using HyperTerminal, or equivalent serial communication program? You should check this first.
More than likely the issue is with termination characters. Check the documentation to determine what termination characters need to be used when sending commands, and what termination characters are used to indicate the end fo a read. For commands it's usually just a carriage return, and for reading data it's usually a linefeed.

Serial communication with Omni Link

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If you're using a serial connection can you talk to it using HyperTerminal, or equivalent serial communication program? You should check this first.
More than likely the issue is with termination characters. Check the documentation to determine what termination characters need to be used when sending commands, and what termination characters are used to indicate the end fo a read. For commands it's usually just a carriage return, and for reading data it's usually a linefeed.

Having issues with simple serial communication.

I followed a tutorial online to start learning basic serial communication. The tutorial involved shorting pins 1 and 3 on the Comm 1 port, and writing a simple program (attached). I edited the program a little, to show the varied results that I get when trying to write and read a simple phrase via serial port.
Could someone explain what causes the kind of result shown in "Serial Comm Example.png"? I believe it has to do with timing. Why would only parts of the phrase be transmitted?
Thanks,
Sarah
Solved!
Go to Solution.
Attachments:
Serial Comm Example.vi ‏30 KB
Serial Comm Example.png ‏139 KB

sarahzig wrote:
The tutorial involved shorting pins 1 and 3 on the Comm 1 port
Shouldn't that be pins 2 and 3? On a standard DB-9 serial port, pin 2 is the Recieve and pin 3 is the Transmit.
Now for your code...
1. Move the Configure Serial Port to be before the loop. You only need to configure the port once.
2. Close the port after the loop.
3. Handle your error after the close.
4. Stop your loop on an error or the stop button was pressed. You will need an OR in there.
5. No need for the Flush Buffer function. Remove it.
6. Using the Bytes At Port is a dangerous thing. It introduces all kinds of interesting race conditions. Instead, tell the VISA Read to read the number of bytes you expect to read.
6a. Alternatively, be sure to send an End Of Line character at the end of your sent data and set the number of bytes to read to something a lot more than you would ever expect to read. The VISA Read will stop reading when it a) sees the number of bytes it was told to read, b) sees the termination character (currently enabled and set to a Line Feed, which is part of the End Of Line), or c) the timeout happens. Whichever happens first.
7. With 6, the wait is no longer needed.
There are only two ways to tell somebody thanks: Kudos and Marked Solutions

VISA bug with serial communication on MAC !

Hello to you all again,
I have appreciated all feed back from you about a problem encountered with serial communication on the MAC (see earlier questions)
To situate the problem:
One can only read 63 bytes back from the serial port using VISA calls (without handshaking). With the old serial VIs you can read everything back. In addition the exact same VIs do not show this problem on windows platform.
I have now performed extensive tests with a loopback on the serial port and the problem still stand.
I attach two VIs to an answer to this question (for some obscure reason I can not attach them to the question?) which do the basic loopback, one uses VISA the other the old serial VIs. Please try them out o
n your computer (for Mac RS422 miniDIN you should connect pin 3 to 5 and 6 to 8 to do the loopback)(for windows RS232 DB9 connect pin 2 to 3) in loopback configuration (see also resource library).
Please post a message if the described problem also occurs on your MAC.
Thanks to all of you for your cooperation!!

here are the VIs a promised
Attachments:
serial_loopback_test.vi ‏65 KB
visa_loopback_test.vi ‏70 KB

User-specified DAQ interruptions, instrument control through serial communication

I'm working on an instrument control program, and I've run into a structural problem that I cannot figure out.
The instrument in question is effectively a thermostat.
The program has two functions:
1.) Background sampling to record temperature in a log over time.
2.) Adjust temperature according to user input
The issue is that the instrument uses EIA-232 serial communication to talk to the PC.
This prohibits simultaneous execution. Attempting to send a command while the program is taking a sample will result in serial blockage errors.
So the program must interrupt background sampling until the specified command has been completed.
I can't figure out how to do this.
My best idea was to create a manual pause control. If the user wants to adjust the temperature, he hits a switch to pause the sampling, sends the appropriate command, then hits the switch again to reinitiate sampling. This method will suffice, but is not ideal.
Beyond that, I really have no idea how to prevent the two functions from running into each other.
Help structuring this program would be greatly appreciated,
Thank you

Look into Semaphores (icons with traffic light glyphs)
Set up a Semaphore resource to the COM port that is wired to two parallel structures.
One structure would do the background polling, the other would handle setting changes.
Prior to background poll, lock the resource, then unlock it after the poll. Likewise for the setting change command.
When a resource is locked, the other process cannot access it until it is unlocked. Be sure to dispose of the Semaphore when ending the program.
-AK2DM
~~~~~~~~~~~~~~~~~~~~~~~~~~
"It’s the questions that drive us.”
~~~~~~~~~~~~~~~~~~~~~~~~~~
Attachments:
SempahoreExample.jpg ‏256 KB

Applet- RS232 serial communication

Hi,
Can any one tell how to do applet -RS232 serial communication?Do i signed applets? any secuirty policies to incorporated?
Thanx
/JP

you need to install the jre, and place the win32.dll at JavaSoft\JRE\1.3.1_06\bin, that properties file place at JavaSoft\JRE\1.3.1_06\lib, comm.jar at JavaSoft\JRE\1.3.1_06\lib\ext\
and in ur code try to use it to open ur com port
public String test() {
String drivername = "com.sun.comm.Win32Driver";
try
CommDriver driver = (CommDriver) Class.forName(drivername).newInstance(); driver.initialize();
catch (Throwable th)
{* Discard it */}
drivername = "javax.comm.*";
try
CommDriver driver = (CommDriver) Class.forName(drivername).newInstance(); driver.initialize();
catch (Throwable th)
{* Discard it */}
portList = CommPortIdentifier.getPortIdentifiers();
while (portList.hasMoreElements()) {
portId = (CommPortIdentifier) portList.nextElement();
if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
if (portId.getName().equals("COM2")) {
//if (portId.getName().equals("/dev/term/a")) {
try {
serialPort = (SerialPort)
portId.open("SimpleWriteApp", 2000);
} catch (PortInUseException e) {}
try {
outputStream = serialPort.getOutputStream();
} catch (IOException e) {}
try {
serialPort.setSerialPortParams(9600,
SerialPort.DATABITS_8,
SerialPort.STOPBITS_1,
SerialPort.PARITY_NONE);
} catch (UnsupportedCommOperationException e) {}
int i=0;
while(true)
try {
messageString="hi";
System.out.println(i++);
outputStream.write(messageString.getBytes());
} catch (IOException e)
System.out.println(e);
messageString=String.valueOf(e);
return messageString;
and yet u need to signed the applet
1. Compile the applet
2. Create a JAR file
3. Generate Keys
4. Sign the JAR file
5. Export the Public Key Certificate
6. Import the Certificate as a Trusted Certificate
7. Create the policy file
8. Run the applet
Susan
Susan bundles the applet executable in a JAR file, signs the JAR file, and exports the public key certificate.
1. Compile the Applet
In her working directory, Susan uses the javac command to compile the SignedAppletDemo.java class. The output from the javac command is the SignedAppletDemo.class.
javac SignedAppletDemo.java
2. Make a JAR File
Susan then makes the compiled SignedAppletDemo.class file into a JAR file. The -cvf option to the jar command creates a new archive (c), using verbose mode (v), and specifies the archive file name (f). The archive file name is SignedApplet.jar.
jar cvf SignedApplet.jar SignedAppletDemo.class
3. Generate Keys
Susan creates a keystore database named susanstore that has an entry for a newly generated public and private key pair with the public key in a certificate. A JAR file is signed with the private key of the creator of the JAR file and the signature is verified by the recipient of the JAR file with the public key in the pair. The certificate is a statement from the owner of the private key that the public key in the pair has a particular value so the person using the public key can be assured the public key is authentic. Public and private keys must already exist in the keystore database before jarsigner can be used to sign or verify the signature on a JAR file.
In her working directory, Susan creates a keystore database and generates the keys:
keytool -genkey -alias signFiles -keystore susanstore -keypass kpi135 -dname "cn=jones" -storepass ab987c
This keytool -genkey command invocation generates a key pair that is identified by the alias signFiles. Subsequent keytool command invocations use this alias and the key password (-keypass kpi135) to access the private key in the generated pair.
The generated key pair is stored in a keystore database called susanstore (-keystore susanstore) in the current directory, and accessed with the susanstore password (-storepass ab987c).
The -dname "cn=jones" option specifies an X.500 Distinguished Name with a commonName (cn) value. X.500 Distinguished Names identify entities for X.509 certificates.
You can view all keytool options and parameters by typing:
keytool -help
4. Sign the JAR File
JAR Signer is a command line tool for signing and verifying the signature on JAR files. In her working directory, Susan uses jarsigner to make a signed copy of the SignedApplet.jar file.
jarsigner -keystore susanstore -storepass ab987c -keypass kpi135 -signedjar SSignedApplet.jar SignedApplet.jar signFiles
The -storepass ab987c and -keystore susanstore options specify the keystore database and password where the private key for signing the JAR file is stored. The -keypass kpi135 option is the password to the private key, SSignedApplet.jar is the name of the signed JAR file, and signFiles is the alias to the private key. jarsigner extracts the certificate from the keystore whose entry is signFiles and attaches it to the generated signature of the signed JAR file.
5. Export the Public Key Certificate
The public key certificate is sent with the JAR file to the whoever is going to use the applet. That person uses the certificate to authenticate the signature on the JAR file. To send a certificate, you have to first export it.
The -storepass ab987c and -keystore susanstore options specify the keystore database and password where the private key for signing the JAR file is stored. The -keypass kpi135 option is the password to the private key, SSignedApplet.jar is the name of the signed JAR file, and signFiles is the alias to the private key. jarsigner extracts the certificate from the keystore whose entry is signFiles and attaches it to the generated signature of the signed JAR file.
5: Export the Public Key Certificate
The public key certificate is sent with the JAR file to the whoever is going to use the applet. That person uses the certificate to authenticate the signature on the JAR file. To send a certificate, you have to first export it.
In her working directory, Susan uses keytool to copy the certificate from susanstore to a file named SusanJones.cer as follows:
keytool -export -keystore susanstore -storepass ab987c -alias signFiles -file SusanJones.cer
Ray
Ray receives the JAR file from Susan, imports the certificate, creates a policy file granting the applet access, and runs the applet.
6. Import Certificate as a Trusted Certificate
Ray has received SSignedApplet.jar and SusanJones.cer from Susan. He puts them in his home directory. Ray must now create a keystore database (raystore) and import the certificate into it. Ray uses keytool in his home directory /home/ray to import the certificate:
keytool -import -alias susan -file SusanJones.cer -keystore raystore -storepass abcdefgh
7. Create the Policy File
The policy file grants the SSignedApplet.jar file signed by the alias susan permission to create newfile (and no other file) in the user's home directory.
Ray creates the policy file in his home directory using either policytool or an ASCII editor.
keystore "/home/ray/raystore";
// A sample policy file that lets a JavaTM program
// create newfile in user's home directory
// Satya N Dodda
grant SignedBy "susan"
permission java.security.AllPermission;
8. Run the Applet in Applet Viewer
Applet Viewer connects to the HTML documents and resources specified in the call to appletviewer, and displays the applet in its own window. To run the example, Ray copies the signed JAR file and HTML file to /home/aURL/public_html and invokes Applet viewer from his home directory as follows:
Html code :
</body>
</html>
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
width="600" height="400" align="middle"
codebase="http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,1,2">
<PARAM NAME="code" VALUE="SignedAppletDemo.class">
<PARAM NAME="archive" VALUE="SSignedApplet.jar">
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.3">
</OBJECT>
</body>
</html>
appletviewer -J-Djava.security.policy=Write.jp
http://aURL.com/SignedApplet.html
Note: Type everything on one line and put a space after Write.jp
The -J-Djava.security.policy=Write.jp option tells Applet Viewer to run the applet referenced in the SignedApplet.html file with the Write.jp policy file.
Note: The Policy file can be stored on a server and specified in the appletviewer invocation as a URL.
9. Run the Applet in Browser
Download JRE 1.3 from Javasoft
good luck! [email protected]
i already give u many tips, i use 2 weeks to try this to success, hopw that u understand that, a result of success is not important, the process of how to get things done is most usefull!

Handling multichannel serial communication on FPGA

NI recently released cRIO modules for serial communication on RS232 and RS485/422. We need multiple RS232 channels for our RIO systems and previously the solution would have been to use a serial port server and then communicate with that using raw TCP/IP. Having the serial communication handled by RIO modules seems a bit more elegant though so I'm looking into using the RS232 module NI9870 instead.
NI has supplied an example on how to use the 9870 - a serial loopback on port 0. I've successfully modified this to be a general driver for a selectable port (added port selection and initialization), however I really need to code a solution that handles ALL the 4 channels in parallell. I'm not sure what would be the best way to do that though. DMA FIFOs seem to be the best option for host-target communication, however in this case there are 4 channels....and I may have multiple modules so at most it could be that I need to handle as much as 32 ports. The example uses interrupts for synchronization....which off course is also a limited resource. All in all I'll probably figure out a way to do this, however if anyone else have done something similar already it would be great to hear your views on this.
Coming from the Windows-programming world (this is the first FPGA work I've done) I was also hoping to make this driver as general as possible, maybe even be able to write a wrapper containing both VISA based serial functions and the FPGA host code. That way it could be transparent how the port is accessed.
This would require 1 code that would be able to handle a variety of module configurations (well, 1 to 8 NI9870 modules in the chassis), however that does not seem to be feasible(?). When you read or write to a port you cannot just refer loosely to it with a number e.g. - the read and writes are referenced to a specific port...this means that unlike in a Windows application where you can let the user just configure that he wants to use COM port num XX and the serial functions will accept that number regardless of whether the port exists or not (returning an error if it does not exist or is in use) - the FPGA code has to have all the items it will call pre-defined. If the chassis can have 16 ports on 4 9870 modules it does not seem possible to use the same FPGA code if the chassis currently only has 1 module...Is this the reality, or is it possible to create a more flexible solution?
If it turns out that the FPGA has to be reprogrammed if another serial module is added (or one is removed) it would seem much better to drop the modules and use a port server and tcp/ip instead...that way using new ports will only be a question of configuration (IP and port), not reprogramming...That may not be possible always (if you need the compact size and roughness only a single RIO chassis would offer), but in our case it is - it' just not as elegant hardware-wise.
MTO

Well, the multichannel experiment only wrote data, it did not read...(see attached VIs) however the concept can be used in both directions: Add a header to the FIFO data where the header tells the recipient what port the data is going to or comes from...Then use e.g. a state machine to read the FIFO, split the header and data, and route the data to the loop handling the port.
If you are going to read data you will get into one of the downsides to this namely that you will need to have a central communications manager that reads the incoming data and distributes it to the requesting VI. This way you can have more parallell access to both read and write, however the reads will have to be routed through this handler. How big a performance gain this would give is unknown though. You still only have one DMA FIFO for each direction so there is a limit to how parallell things can get, but logically this might get you closer than the NI example...
MTO
Attachments:
9870 MultichannelIO Experiment.zip ‏1002 KB

How to make report with access 2010 from SharePoint Discussion lists 2013

HI,
I want to make an access report from SharePoint Discussion lists 2013. When i open the list with access, the body of the list is in HTML format in access. Also if i reply something to one subject in the discussion, the reply is not mapped to that subject
but instead it is shown as a separate entry in the database.
Anyone can please help?
SAN
Santhiya
Santhiya

Hi Santhiya,
I have seen a similar post from you, my understanding is that you wonder that the reply is mapped to the related subject. You can take a look at Daniel's reply in the following thread:
http://social.technet.microsoft.com/Forums/en-US/dfb5bcb9-0076-412a-b34f-46aa9cfba876/how-to-make-report-with-access-2010-from-sharepoint-discussion-lists-2013?forum=sharepointgeneral
Thanks,
Wendy
Wendy Li
TechNet Community Support

How do i open a new window? serial communication problem

I am trying to make a serial communication interface, with changeable settings,
but i wanted it to be that the settings to be openend in a new window, how am i able to do that.
I tried to make a separate subvi, but unable to do that, here is my explanation in images and the vi files.
-Just a student-
Attachments:
LVTerm.vi ‏50 KB

Hello Nandha,
SubVI's can be created by selecting the part that you want in the subVI and than select "create subVI" from the "Edit" menu.
Or cut the selected part and open a new VI and paste in the code. Then you have to connect all the controls and indicators to your connector pane. To do this right click the icon in the upper right corner and "Show connector". Select a pattern that has enough connectors, my personal favorite is the 4x4x4. Select the wire tool and select a connector and then the control or indicator you want to connect. Try to keep controls to the left and indicator to the right.
Now you have to figure out when you want to show the settings window. Is it necessary that the communication goes on during manipulation of the settings?
Kind regards,
André
Regards,
André
Using whatever version of LV the customer requires. (LV5.1-LV2012) (www.carya.nl)

Changing the name of serial communication example in lab windows. Urgent help required

I am using the example of getting data from rs 232 in lab windows. I want to use this in my final year project that's why I want to change its name that appears as "serial communication example" how can I change its name and how can I make its exe file that will run on any system even without lab windows.
How can I modify this example to save the data. I am very new to lab windows, I was using hyper terminal previously.

I am not informed about the file format that hyperterminal uses. However, CVI allows wiring to files. To get a list of functions that deal with file handling, press <Ctrl-Shift-p> to get the "Find Function Panel" dialog. Type in "file" and press the "Find" button. This will open a list of funtions that contain "file" in their name.

Problem download: Java serial communication

Hi,
I need to work with Java serial communication api for Windows.
As mentioned on SUN site, downloaded the following:
1) comm2.0.3.zip, &
2) rxtx-2.0-7pre1-i386-pc-mingw32.zip
Extracting, unable to see win32com.dll & javax.comm.properties
Can you help me?
Thanks,
Priya

Hi priya
There is problem in your downloaded s/w
Download commAPI once again then try
Read the readme file and follow the instruction

Midlet with access to IrDA/serial communication on PDA urgently needed!

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