Why is the second serial read delayed 30 sec?

I have two digital scales connected through two separate serial ports. The first one reads fine, the second one reads but the display is on like a 30 sec delay. It is reading the string, because if you put weight on the scale and then let off, the readout will eventually show the weight that you put on the scale

'VISA flush I/O Buffer.vi' should work (Somewhere in VISA advanced)
or a 'read VISA while bytes @ port >0' construct
see attached vi.
But keep in mind that you have to sync your data flow after that. the head of your next data might be cutted.
maybe you want to collect the strings read the hole buffer and use a match pattern to get the last valid reading.
something like "[~\f]+\f$" if a formfeed is your termination character
Henrik
Greetings from Germany
Henrik
LV since v3.1
“ground” is a convenient fantasy
'˙˙˙˙uıɐƃɐ lɐıp puɐ °06 ǝuoɥd ɹnoʎ uɹnʇ ǝsɐǝld 'ʎɹɐuıƃɐɯı sı pǝlɐıp ǝʌɐɥ noʎ ɹǝqɯnu ǝɥʇ'
Attachments:
empty_buffer.vi ‏37 KB

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Hi,
I have this problem.
I have written a servlet named processPOItem.
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public class processPOItem extends HttpServlet {
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After the first row is updated. The second row did not get updated at all.
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Did you turn on the "updatable" switch for the result
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public Statement createStatement(int resultSetType,
int resultSetConcurrency) throws
SQLException
Parameters:
resultSetType - a result set type; see
ResultSet.TYPE_XXX
resultSetConcurrency - a concurrency type; see
ResultSet.CONCUR_XXX
static int CONCUR_UPDATABLE
JDBC 2.0 The concurrency mode for a ResultSet object
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do you refer to the following change of code:
//create a statement object (original)
Statement stmt = dbConn.createStatement();change to the following:
//create a statement object (original)
Statement stmt = dbConn.createStatement(resultSetType,
resultSetConcurrency);when I use another statement object for executeupdate, what I got was the connection was used by another hstmt. Thus the second column was not updated at all.
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Any help in this regard is greatly appreciated...
Thanx in advance
Here is the Package code:
CREATE OR REPLACE PACKAGE BODY UPDATE_ACTIVITY AS
CSREWORK NUMBER(4);
CSTRACKOUT NUMBER(4);
STARTDATE VARCHAR2(20);
ENDDATE VARCHAR2(20);
PROCEDURE INSERTVALUES IS
BEGIN
DELETE FROM 2DAY_ACTIVITY;
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THEN
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SELECT "ACT_VIEW"."STAGESTEPPROD","ACT_VIEW"."RESOURCES",COUNT(TRACKOUTTIME)
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SELECT "ACT_VIEW"."STAGESTEPPROD","ACT_VIEW"."RESOURCES",COUNT(TRACKOUTTIME)
FROM "ACT_1DAY_VIEW" "ACT_VIEW"
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SELECT "ACT_VIEW"."STAGESTEPPROD","ACT_VIEW"."RESOURCES",COUNT(TRACKOUTTIME)
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BEGIN
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You have create global variables CSREWORK and CSTRACKOUT
in your package.
Your have then selected the
max(cstrackout) ,max(csrework) which would probably pick these variables up.
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CREATE OR REPLACE TRIGGER bb_ordercancel_trg
AFTER UPDATE OF idstatus ON bb_basketstatus
FOR EACH ROW
WHEN( new.idstage = 4)
DECLARE
CURSOR basketitem_cur is
SELECT idproduct,quantity,option1
from bb_basketitem
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lv_chg_num NUMBER(3,1);
BEGIN
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ELSE
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END IF;
update bb_product
set stock= stock - lv_chg_num
where idproduct = basketitem_rec.idproduct;
update bb_basket
set orderplaced = NULL
where idbasket = :new.idbasket;
END LOOP;
END;

I retract that and with the modified code it works .
thanks guys, I should have drank a little more coffee when I started this ;-)
CREATE OR REPLACE TRIGGER bb_ordcancel_trg
AFTER INSERT ON bb_basketstatus
FOR EACH ROW
WHEN( new.idstage = 4)
DECLARE
CURSOR basketitem_cur is
SELECT idproduct,quantity,option1
from bb_basketitem
where idbasket =:new.idbasket;
lv_chg_num NUMBER(3,1);
BEGIN
FOR basketitem_rec in basketitem_cur LOOP
IF basketitem_rec.option1 =1 then
lv_chg_num := (.5*basketitem_rec.quantity);
ELSE
lv_chg_num := basketitem_rec.quantity;
END IF;
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set stock= stock - lv_chg_num
where idproduct = basketitem_rec.idproduct;
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END LOOP;
END;
Edited by: user8690163 on Dec 8, 2009 12:57 PM

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TEXT_IO.PUT_LINE (v_mailinvoices_bat, v_line_buffer);
v_line_buffer := 'clemail -quiet -smtpserver mailhost.0800dial.com -smtpport 25 -to '||v_to_name||' -from '||v_from_name||' -subject "'||v_month||' '||v_year||' Roaming Traffic Invoices from United Clearing Ltd" -bodyfile \\Ebony\c$\FCSS\DB_SCRIPTS\invoice_body.txt -attach \\Ebony\c$\FCSS\CYCLE_DATA\'||v_processing_cycle||'\receivables\'||v_folder_name||'\invoices.zip';
TEXT_IO.PUT_LINE (v_mailinvoices_bat, v_line_buffer);
v_line_buffer := 'exit';
TEXT_IO.PUT_LINE (v_mailinvoices_bat, v_line_buffer);
TEXT_IO.FCLOSE (v_mailinvoices_bat);
v_host_command := '\\Ebony\c$\FCSS\DB_SCRIPTS\mailinvoices.bat';
HOST (v_host_command, NO_SCREEN);
IF NOT Form_Success THEN
     IF v_stage = 1 THEN
     :CONTROL.WORKING := 'Error -- The .zip file for '||INITCAP(v_organisation)||' was not produced.';
          SYNCHRONIZE;
     ELSIF v_STAGE = 2 THEN
     :CONTROL.WORKING := 'Error -- The zipped invoices file for '||INITCAP(v_organisation)||' was not emailed.';
          SYNCHRONIZE;
          END IF;
ELSE NULL;
END IF;
UPDATE INVOICE_EMAIL
     SET sent = 1
          WHERE UPPER(ORGANISATION) = UPPER(v_organisation);
COMMIT;
GO_BLOCK ('INVOICE_EMAIL');
EXECUTE_QUERY;
:CONTROL.WORKING := 'Please press a button on the left to e-mail invoices to the organisations listed.';
SYNCHRONIZE;
EXCEPTION
     WHEN OTHERS THEN
          v_error_num := SQLCODE;
          v_error_txt := SUBSTR(SQLERRM, 1, 200);
          MESSAGE('The error was: '||v_error_txt||' and the code was: '||v_error_num);
          RAISE FORM_TRIGGER_FAILURE;
END;

As a suggestion I'd put the Text_io segments into their own begin - exception - end sub-blocks within the main code. This way if Text_io does raise an exception you can catch it earlier as it may be able to recover - That is if it is a text_io exception.
Other than that you;ll have to step through in Debug.

Why force the update?!

Now I really feel like I'm being forced by Nokia to switch to a competitor.
For a good while I've been avoiding Ovi suite updates, actually ever since Ovi destroyed my PC and forced me to reinstall everything, and I've been quite happily using the old version and having no issues with it.
But not anymore, ooohh noo! Somebody in Nokia decided that this time it's upgrade or die, Ovi suite doesn't want to start anymore, it's forcing me to upgrade. I can only imagine how that's going to work. Upgrade. Destroy PC. Can't reinstall because the old version forces the upgrade. Buy an iPhone or Android phone.
68 megs of **bleep** to be downloaded, and then we'll see...
Seriously, why are you forcing your remaining few customers to move away from your product?

There must be a reason for Ovi Suite to work at SOME platforms obvioulsy.
Otherwise they would never dare to release it.
But the programming team of Nokia workin on this Ovi Suite is way too amateurish.
I have spent 48 hours with some sleeptime now, trying to install and use this loads of **bleep** app.
Beacuse I wanted to have syncing my 700 contacts.
I made it almost.
Now. A progerammers manager should tell the programmer that there is some demands in design.
1. The app should be installed anywhere without problems.
That means it should NOT be dependant on imaginary files of certian versions existinng in the imagined envronment. Because they never do.
All files needed to make this app installed properly MUST be inside the installer app.
2. The apps position in the environment should preferaly be in ONE directory. (folder)
If you cannot do these simple things, you shoudl not pretend to be a programmer at all.
Nokia seems to be full of these types of guys never understanding what they are dealing with, And the manager is spendig too much time att the Nokia owners golfclub, instead of MANAGING the work.
How did I manage to make this work?
Well I called the support. "shut off your windows firewall..." Well it is not active, and has never been. Not any other firewall either. Not any virus program either except for Superantispyware. And Windows Defender which is run in a weekly basis. I have Acronis backups, but never used them. I have Win7 Ultimate (legal copy!!!)
Firewall I have in my modem... Why bother the traffic with more delays? Just because AVG and Norton wants my money?
If the crackers manage to put in some strange thing I usually fix it myself. I have been around PC's since 1984-85 when they first showed up in this country, With 20 mbyte harddrives large as 5.25 inch!!! =)
So I packed up the OVI installer and ran the install app found in Packages folder. Worked better.
But not wel. So I thought, "these guys had PC Suite installed before they invented this OVI **bleep**" So I installed the PC Suite first. Okay, ut worked for my old Nokia prety well, but not for the N8.. (duh) How difficult can it be? Here I understood one thing: OVI is all about me BUYING stuff. For the LATEST phone. OF COURSE!!! Phone allmost went out the window.
I do have made a near religious promise to meself that NEVER AGAIN BUY A FINNISH PRODUCT!!!
It reminds me about the wifes PC EEE which runs under a finnish OS: Linux... Holy **bleep** **bleep**!!!
Finnish that too. But like this: No management at all.
During I written this I have run the installer inside the installer again an repaired the OVI suite as it is full of bugs, hangs an crasches. It has 5mm green bar and about 95% left to do, but it has never moved. I wonder what the hell it is waitin for? Some windows VC80 that is too old for som OODB or some database app that "the guys" didnt understand how to talk with. It is NET4 now, you see.... NET3 is oooold...
Well I managed to sync the phone with my bluetooth app, so this "Nokias moneymaker" is now out the window. Bye bye!
Werll if you want you can always find out what error 1603 is, that shows upp 2 seconds after you run the OVI original installer. Your support did not know it. And a support tech that is not having a programs error reporting list is just a clown. You better understand this, if you want to grow up from that sandbox, that is....

My recirculating pump in sub vi simulation link doesnt work in the second iteration .It opens for maybe half a second whereas i gave the time delay for 5 secs..plz help very urgent

Hi,
I have attached my simulation loop.In the model attached i hav eone main pump with constant rpm which drives the 5 smaller pumps and fills the tank at the same time.As soon as the tanks reach their 90% level,the valves of the five pumps close(SP1,SP2,SP3,Sp4,Sp5).After that the recirculating pumps opens for 5 secs of the first tank.As soon as the recirculation finishes,the drain valve(SV1) for tank 1 open and the volume goes to interim storage.This happens for all the remaining tanks.
My simulation works the first time,but when the second time the loop starts,it skips the recirculation pump even though i gave a time delay for 5 secs.Plz help ..I have attached the simulation.
Thanks,
Rami
Attachments:
Spatial Logic_2_Final.vi ‏223 KB

Rami,
I suspect that you have a race condition. The widespread use of local variables frequently leads to race conditions. Your subVI (Spatial Logic Sub_2.vi was not included) so I cannot run the VI. You have no way of knowing whether the subVI or the inner case structure will execute first, because there is no data dependency between them.
I think a shift register or a few and some dataflow thinking would allow you to eliminate the inner case structure, the local variables, and, probably, most of your problems.
Some of the SPi are indicators and some are controls. How are they used?
The last case of the inner loop retursn to Case 1. Would case 0 be better?
As for the second time through issue, it may be related to the Elapsed time function Auto Reset. From the help file: "Resets the start time to the value in Present (s) when the Express VI reaches the Time Target (s)." If more than 5 seconds elapses between the first time you use this and the next, it will exit immediately on the subsequent calls.
Lynn

Why does a standalone program created in Labview 8.5 try connecting to the internet when the program only reads data through the serial port? Firewalls object to progams that contact the internet without permission.

why does a standalone program created in Labview 8.5 try connecting to the internet when the program only reads data through the serial port? Firewalls object to progams that contact the internet without permission.
The created program is not performing a command I have written when it tries to connect to the internet, it must be Labview that is doing it. How do I stop this from happening?
Any help would be very appreciated.

It looks that way..
"When LabVIEW starts it contacts the service
locator to removes all services for itself. This request is triggering
the firewall.This is done in case there were services that were not
unregistered the last time LabVIEW executed- for example from VIs that
didn't clean up after themselves"
This is not yet fixed in LV2009.
Message Edited by Ray.R on 11-04-2009 12:25 PM

Why is the MacBook Pro Serial ATA transfer speed half that of the new iMac?

I have a MacBook Pro 2.4 GHz 15.4 inch with a Seagate Momentus 160 GB, 7200 rpm, serial ATA, PRT hard drive. This hard drive has a serial ATA transfer speed rating of 3.0 Gigabits per second. The MBP logic board has an Intel 965 chip set that has a serial transfer speed rating of 3.0 Gigabits per second. I was at the Mac Store the other day and noticed that the new iMac 20 and 24 inch computers (that have the same intel 965 chip set) have an Intel ICH8-MAHCI speed rating of 3.0 Gigabits per second. My question is why does the MacBook and MacBook Pro's only have an Intel ICH8-M AHCI speed rating of 1.5 Gigabits per second? Attached is a copy of my Serial-ATA information:
Intel ICH8-M AHCI:
Vendor: Intel
Product: ICH8-M AHCI
Speed: 1.5 Gigabit
Description: AHCI Version 1.10 Supported
ST9160823AS:
Capacity: 149.05 GB
Model: ST9160823AS
Revision: 3.DAE
Serial Number: 5NK03DBN
Native Command Queuing: Yes
Queue Depth: 32
Removable Media: No
Detachable Drive: No
BSD Name: disk0
OS9 Drivers: No
S.M.A.R.T. status: Verified
Volumes:
Macintosh HD:
Capacity: 148.73 GB
Available: 78.21 GB
Writable: Yes
File System: Journaled HFS+
BSD Name: disk0s2
Mount Point: /
MacBook Pro 2.4 GHz (MA896LL) W/ 4GB RAM Mac OS X (10.4.10) Seagate ST9160823AS Hard Drive

For several reason although the main one is that the vast majority of 2.5" drives have a 1.5Gbps interfacce. Drives with a 3Gbps interface in this size are rare where as they're very common in the 3.5" drive size which is used in the iMac.
Additionally you'll find that few drives do in fact make use of this larger bandwidth. For instance, the fastest 3.5" SATA drive one can buy for an iMac/Mac Pro up to 500GB is in fact a Western Digital Raptor 150GB which has an SATA I 1.5Gbps interface. So the interface bandwidth isn't everything. Yes there are faster drives than this now but they are in the 750GB size and up.

HT1349 I can not run the scanner in my main user, but only the second user and the same thing with updating apps! Why is this happening???

I can not run the scanner in my main user, but only the second user and the same thing with updating apps! Why is this happening???

Welcome to the Apple Community.
Enter the details of her second account at system preferences> mail, contacts & calendars.

Why is the second serial read delayed 30 sec?

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