Query regarding gps receiver

hello every1,
I have a Novatel centimetre accuracy GPS receiver.I have written a code in Labview 8.0 for it.But it doesnt seem to obtain any data via serial port.The logic is perfectly fine since I have used it for another GPS receiver.Earlier I had used a while loop but now I have tried using a case statement.The latter is not working.The code inside the statement is not executing.I have attached the code along. Please let me know ur suggestions.
-innovator81
Attachments:
cm2.vi ‏66 KB

When you start it, if the true case doesn't execute, then there isn't 144 bytes in the buffer. You should probably put the VISA Bytes at Serial Port in a while loop and then exit that if the number of bytes is what you expect. You should also probe the output to how many bytes really are available with this make and model. I hope you're not using run continuous mode.
You code needs a lot of cleanup. You have wires going in every direction and that just makes it hard to read and debug. None of those convert functions are necessary. All you have to do is right click on those constants and select representation and change them. Wire the constants directly to the Type Cast function.
The string parsing could be done a lot more efficiently too I imagine. I would like to see an actual string that is returned.
Lastly, have you tested everything with some other program such as Hyperterminal?Message Edited by Dennis Knutson on 08-13-2006 07:38 PM

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Now, I have a query : what happens if the call is made in a classically static manner, i.e. using the statement "First.func_four;".That's what happens in any case whether you write obj1.func_four(), obj2.func)four(), or First.func_four(). All these are identical when func_four(0 is static.
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and again obj1 trying to obtain lock for obj1.aYou mean obj2 and First.b, but obj2 doesn't obtain the lock, the thread does.
which are the same locks. So, if obj1.a of the first thread obtains the lock, then it will enter the function no-doubt, but the call from the second thread will also succeed.Of course it won't. Your reasoning here makes zero sense..Once First.b is locked it is locked. End of story.
Thus, effectively, our synchronisation is broken.No it isn't. The second thread will wait on the same First.b object that the first thread has locked.
However in any case you have a much bigger problem here. You're autoboxing your local 'int' variable to a possibly brand-new Integer object every call, so there may be no synchronization at all.
You need:
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