failed 5154 digitizer

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• 5154 digitizer for fpga data

  I am trying to stream as quickly as possible from the to a FlexRIO 7966 5154 digitizer.  From the example "NISCOPE fetch Forever" in LV2012, I can implement the acquisition on 5154 @ 40MS/s, 50 k of data I8 piece and the graphical indicator seems to keep well indefinitely.

  I tried then write data to an FPGA - FIFO target host, and it chokes.  With FIFO write the method inside the loop of 5154 fetch the 5154 ends in error because of the "overwhelming memory" (it fills its on-board memory until the HOST is reading).   With FIFO writing in a parallel consumer (queue conduit) loop, the queue overflows just because he can't write that as fast as the 5154 FIFO provides samples in the queue.   What Miss me?  The 5154 uses a PCI DMA bus (I think), so I think that if he could hold, the host to the FPGA PCIe bus must be capable.

  There is another factor, that I have not taken into account?   Sorry I can't provide the VI since the installation of the LV is on a PC not connected to the network.  Any advice or suggestions would be appreciated.

  Thank you

  Mark Taylor

  For future reference, I ended up resolving this by moving the implementation on the actual FPGA.   I had run in mode "on the development computer with i/o simulated" and no matter what I did with the start-up or sizing FIFO sequence, it just doesn't work.

  After compiling and running on the FPGA, all right.  Maybe it's the basic knowledge, in fact I remember somewhere in my travels reading that don't accurately represent timing problems when running to the old fashion, but LV FPGA has kind of us painted into a corner with the compromise of simulation/compilation.  They do not include Modelsim, which is the only tool that enables co-simulation do functional and verification of the timing set (we Questa, unfortunately) and independent VHDL simulation captures the interaction host with precision (and software processing/timing is impossible to quantify!).  In my situation, the only way to operate at speed is in the FPGA, but then I can't see all of the things that I need to see to debug... ARGH!

  Additional links and resources always will welcome (on debugging of FPGA LV and design in general).  I found a couple of things below, which was somewhat useful:

  "NEITHER powerful LabVIEW FPGA Developer's Guide"

  http://www.NI.com/Tutorial/14600/en/

  I found a link to an "FPGA Debug Reference Library": http://www.ni.com/example/31067/en/, but my installation does not seem to have this available.

  And it looks like 2013 may add functionality to help alleviate some of this via the node of the execution of office referred here to the 'Test and debug LabVIEW FPGA Code'

  http://www.NI.com/Tutorial/51862/en/

• Question of timebase NI PCI-5154 digitizer drift

  Hello NOR all awaits them:

  We have a NO-PCI5154, used for several years now. We use it to capture waveforms of impulse which we care about timing relationships.

  We operate the digitizer to sampling of 1 GHz and up to today, we assume the sampling rate is precise and constant. Today, a member of group doubt that since the digitizer specfication said, what the time base drift on "±7 ppm / ° C". So if this is true, suppose we have a Temperation of exploitation that is 20 degrees higher than the temperature at which the scanner has been calibrated, then the derivative can reach up to 140 ppm time 1 GHz which is 140 KHz? It would be a killer of our measures.

  Please help clarify this question, then we can estimate errors in our measures.

  Unfortunately, we have no data on the repeatability of the time base drift.

  To calculate the frequency of real-time database, simply reverse the calculations that we've discussed so far.  Measure a source very precise on the digitizer, and any change in frequency of the signal would be caused by the non-ideal time base period.

  For example, you measure a signal from 10 MHz to 1 GHz, and its frequency is reported as 10,001 MHz.  So, we're out of 1 kHz.  1 kHz = 10 MHz * Xppm, solve for x: X = 100 ppm.  Thus, our sample clock runs at 100 ppm.  1 GHz * 100 ppm gives us a period of 0.9999 ns or ns 1,0001.  As our frequency has increased to 1 kHz, the signal was compressed when being interpreted to 1ns dt.  Thus, the real clock period was 1.0001ns.

  Because it sounds like you can't control the temperature of your work environment, to the more specific measures that you can measure the time base clock drift immediately before and after taking your measurements.  If you have run your tests in a controlled temperature environment, you might be able to get away with a measure not time base clock drift as often, but you should always run regularly.  The reason for this is also due to the effects of aging of the time base oscillator (affects all oscillators).  The accuracy of all the oscillators gradually drift or increase over time.  Our specifications, take account of this drift in the external calibration interval, but if you're going to measure the actual accuracy, the time is another factor that will affect the accuracy of the time base.

  For completeness, I also need to say, that when you measure your test signals ppm accuracy, this shows absolute precision, not only the accuracy of the time base, but also the accuracy of the source of the signal.  So it is very important to have a precise source for the test signals.

  I hope this helps.

  Nathan

• 5154 TRIG, card fpga 7842R signals routing

  Can someone tell me how to get a TRIG signal from 7842R 5154 digitizer card card.  I thought I'd see RTSI as a choice in the drop-down list in the config OR-SCOPE VI trigger, is there a step I'm missing?

  I should have digital triggering selected on the trigger to set up VI, must have been half asleep yesterday.

• How to start, stop, and restart automatically

  Hello

  I'm Pramod.S, I PCI - 5154 digitizer, I'm acquirng data now my question is I want to acquire the data for say 1 min to stop, after the gap of 2: I want to start acquirng again automatically for 1 min. can you please guide me in this way. I'll be gratefull if you send examples to demonstrate this feature.

  Pramod Hello,

  Regarding your question on the acquisition of a min, wait 2 minutes and acquires again for a minute, you'll need to create a program to control the acquisition and away. Is there a programming language you will use to control the acquisition?

  A simple control may use the function time in LabVIEW feature to see how long the acquisition has run before deciding to interrupt the acquisition and become inactive for 2 minutes. A simple implementation to start is attached.

  Hope this helps

• my gmail fails to load from firefox download 26.0?

  I have my homepage set to my email address, but since the last download the mail fails to download.
  I deleted the cache and cookies and even reset Firefox without result. Please notify.

  This laptop is running windows 7 (64-bit)

  If clearing cookies doesn't work, then it is possible that the cookies.sqlite file that stores the cookies is corrupted.

  Rename (or delete) cookies.sqlite (cookies.sqlite.old) and delete the other files of cookies as cookies.sqlite - journal in the profile folder of Firefox in the case where the cookies.sqlite file has been corrupted.

  • http://KB.mozillazine.org/cookies
  • https://support.Mozilla.org/KB/deleting+cookies

  You can also do a check of malware with some digitization programs of malicious software on the Windows computer.
  
  Please scan with all programs, because each program detects a different malicious program.
  
  All of these programs have free versions.

  Make sure that you update each program to get the latest version of their databases before scanning.

  • Malwarebytes' Anti-Malware:
    http://www.Malwarebytes.org/MBAM.php
  • AdwCleaner:
    http://www.bleepingcomputer.com/download/adwcleaner/
    http://www.Softpedia.com/get/antivirus/removal-tools/AdwCleaner.shtml
  • SuperAntispyware:
    http://www.SUPERAntiSpyware.com/
  • Microsoft security scanner:
    http://www.Microsoft.com/security/scanner/en-us/default.aspx
  • Windows Defender: Home Page:
    http://www.Microsoft.com/Windows/products/winfamily/Defender/default.mspx
  • Spybot Search & Destroy:
    http://www.safer-networking.org/en/index.html
  • Kasperky free Security Scan:
    http://www.Kaspersky.com/security-scan

  Alternatively, you can write a check for an infection rootkit TDSSKiller.

  • Utility anti-rootkit TDSSKiller:
    http://support.Kaspersky.com/5350?El=88446

  See also:

  • "Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

• Touchscreen and the noise of the fan U920T - 11 c satellite fails sometimes

  Hello

  I just bought the U920T - 11 c a few days ago.
  I love him but he some of the questions they put me down and make me want to go back.

  The first problem is the loud fan noise that lights up. Is there anyway to turn this off?

  Happens about 15 minutes using the web and then turns on and off every 5 minutes. It's really strong and be in the break room, it is noticeable.

  Can I do to stop this? I'm only using the web and not running other programs.

  I also noticed that the touch screen fails to respond without particular reason. I don't know if there is a trend, but it's frustrating when it stops just for no reason and then sometimes everything works again.

  Looking at these forums it seems that it is a common problem with the Toshiba. I have a few days before I can return, so if they are not resolved, I think that I might go just form the Samsun ATIV book 9 Lite instead.

  Thank you

  > Happens about 15 minutes using the web and then turns on and off every 5 minutes. It's really strong and be in the break room, it is noticeable.

  I assumed that the noise comes from fans who need to run more quickly if the internal temperature would increase.
  What you could do is change cooling performance module in single power management.
  You could also decrease the performance of the processor. This would lead to a lower heat dissipation and the fans slow down.

  > Also, I noticed that the touch screen fails to respond without particular reason. I don't know if there is a trend, but it's frustrating when it stops just for no reason and then sometimes everything works again

  You could try to calibrate the digitizer
  Go to the control panel (Windows key + X-> Control Panel)-> Tablet PC setting.

  The first display tab contains options such as configure screen stylus and touchscreen.
  Here, you should be able to start the installation program and identify the touchscreen.

  The first option must contain 1 internal LCD
  At the bottom, you might find button to calibrate and reset the settings for the internal LCD.

  But it could also be a hardware malfunction. I can't say for sure why this happens, but perhaps a technician should take a look at the material.

• OR scope Soft Front Panel fails to load

  Hello

  I use the scope Soft Front Panel OR with my USB NI 5132 for some time successfully. However, recently it has stopped working completely - seems to load a bit then fails before you even open the screen. The same thing happens in MAX I did all the updates critical, uninstalled then reinstalled NI Scope, uninstalled Labview (the only thing I had changed after the last time, I know that it worked successfully) and checked the nitaglv.dll library was in the right place according to this post: http://digital.ni.com/public.nsf/allkb/63739991438EC593862579C6007301EC

  So far nothing's worked. I NI SCOPE 4.0 and NI-VISA 5.3.0 installed, and the computer could see successfully the digitizer USB 5132 Max after the relocation OR scope, well that the flexible façade does not always load and making the Panel test Max also does not.

  I have attached a picture of the screen to load before it disappears so that could provide clues.

  Suggestions?

  
  

• 5154 PXI trigger on the external input

  I use a PXI-5154 and want to change my previous program to trigger the external source. I'm feeding the external source from source to V 2.5 and it seems to trigger fine. However when data acquisition the vertical range of the oscilloscope will 5 V which is too high as to my request I acquire in the millivolts range. I tried to show the vertical range of the channel I acquisition, but although I put it as the active channel I get the following error:

  Error 1074118616 has occurred to the property node (arg 1) in PD_measurements_v11_test.vi

  Get a base attribute value channel failed because the channels interviewed have different values.  Please specify a channel when you query a string based attribute.

  I enclose you a printsceen of the relevant part of the code.

  Kind regards

  Karavellas

  Dear Tunde

  I managed to make the changes you suggested and the works of the example. I'll look in my code and see what the problem is. I'll get back to you if it has been fixed in my code or not.

• Problems initializing digitizer card high speed

  I recently built a new computer for data acquisition.  I had all the questions according to a program for the acquisition of data for a digitizer high speed written in LabWindows 8.5 and it works successfully with LabWindows 9.0 on the new machine.  The only problem I encountered was name the digitizer card high speed max the appropriate name of the resource planned by the data acquisition program.  Everything went very well for 4 days.  Today, I try to run the same program and cannot enforce.  Debug code indicates that the device fails to initialize when niScope_init() is called.

  In MAX passes card scanner that can call a test and I have test panels and see an input signal.  I checked the name of the device to ensure that it matches the named resource that provides the program.  I also reset the device to the MAX and then tried to run the program.  None of these attempts succeeded.

  I can't really find anything that changed between the last time I ran the program and today.  Everybody to face this problem in the past, and is at - it solution or a proposed additional troubleshooting?

  This problem has been resolved by reinstalling the drivers for our digitizer high speed.  I have still no idea why after four days, something happened to the original driver installation.

• Usability is NOR-SCOPE Soft Front Panel for the PXI-5154?

  I am plans to use the PXI-5154 with his NO-SCOPE Soft Front Panel in a product to test instrumentation. Our past experience, our users need an on-board scope that is easy to use which does not load the CPU. In most cases the scope will be used to check a transitional type of pulses. So, the amplitudes and rise times are essential to ensure compliance with ISO standards. The ability to capture, store and recall traces of reports is important, as well as the ability to perform simple and reproducible follow-up measures. We don't expect our users to have to program the scope; "give me the waveform.

  Does anyone have any comments on the usability of the NOR-SCOPE Soft Front Panel? How to compare with other soft scopes?

  Hello!

  The scope Soft Front Panel is very user friendly and able to load/save waveforms, Load/Save settings and make the scalar measures.  I've attached a screenshot of what the front soft worn looks as well as a link to a help document on the high speed digitizer HELP.  Information on the scope Soft Front Panel lies in this document and can be found under the tab content in the configuration tree (NI - Scope Soft Front Panel help).

  Help of digitizer OR high speed

  http://digital.NI.com/manuals.nsf/WebSearch/2123F564C6DE7B27862574DE006915DE

   

• TV tuner initialization failed"when I start my computer

  Original title: TV tuner

  When I start, I get a message saying "failed to initialize of tunder TV."  Because of the digitization of television, I now have a TNT PCI but this message still appears.  Any suggestions please?

  Hello

  Have you made changes on the computer before this problem?

  Try the following and see if it helps.

  Method 1:

  Update the latest drivers on the manufacturer's Web site and check.

  Method 2:

  Uninstall the software from TV tuner card and check.

  How to change or remove a program in Windows XP: http://support.microsoft.com/kb/307895

• Analysis fails, HP imaging device not found

  Photosmart B209a-m. Windows 7

  I had this all together to the top and a power problem and sort of work broken installation. I have the printer as a wireless network device and it worked fine for months. After the power glitch, I uninstalled the printer and reinstalled and had no chance to get scanning to work. I downloaded the latest HP drivers (full version). I recycled power to the printer and the router and restarted the computer. The HP print and scan doctor said that the scanning driver can not talk to the printer. Printing works fine.

  I originally had the printer hooked as a USB printer and then converted to wireless. So, I repeated the process. I installed as printer USB, everything worked. I then rebooted everything and retested and everything was good. So I ran the conversion from USB in wireless on the Setup option. It worked well, and after unplugging the USB cable, scanning still worked. Be!

  But I then rebooted and now scanning fails again with the same error, cannot find the HP imaging device. Printing works fine. The network of diag test shows no problem. The HP Print and Scan doctor suggests I do the reboot and reinstall I just went through without result. I reinstalled the drivers 4 times without success, except when the first installation in USB and then converting to wireless but that was transient.

  I don't know what I can do? In addition he keeps popping up of the error messages that is REALLY annoying.

  I thought about it. He seems to have been a configuration of printer/router error affecting scanning.

  The first time that I have configured the wireless printer, I have used the Wi - Fi Protected Setup between the printer and my Cisco/Linksys router and everything worked fine.

  For that reconfigure, I let the printer installation software manage the negotiation and Setup. He passed all the tests and print worked fine but scanning does NOT.

  I went in the touch panel printer and Wi - Fi protected setup initiated and supported on the Cisco configuration button. The printer and router negotiated and digitization of works. I shut down my computer and restarted it and scanning always works. I think this is now resolved.

  It seems that drivers scanner use another method wireless printing.

  I'm surprised/disappointed the HP print and scan doctor could not understand this. In addition, NOWHERE there at - it a suggestion to try to renegotiate the Wi - Fi Protected Setup between the printer and the router. Check the cables, recycling power, reinstalling drivers are all suggested, but nowhere is a step obvious allusion. I spent hours doing useless things and the real difficulty was simple and has taken every 1 minute.

• CoreTelephony error in trace file as a file for coretelephony tracing operation has failed, perhaps you need more disk space. Details "error opening the file/tmp/ct.shutdown, err = operation not permitted

  I got this error:

  "CoreTelephony Trace file error
  A file for CoreTelephony tracing operation failed, you might run out of disk space. Details "error opening the file/tmp/ct.shutdown, err = operation not permitted"

  I tried to solve it by searching for CoreTelephony errors. Could not resolve yet.
  Software does not, especially of photoshop...

  Any ideas?

  Same thing here, iMac with OS X 10.11.6. All started a couple days ago. Have not found any valid solution online yet, I tried rebooting in recovery mode and check disk, but it seems that everything is ok with the drives and permissions.

• Printer "filter failed" for macOS Sierra?

  Hi all

  I have upgraded my iMac and MacBook Pro with the new macOS Sierra and did not have a lot of problems until recently. As my exams are approaching, I print on my printer, Canon E560 comments. However, recently, some pages may not be printed and printing stops. He said "stopped -"filter"failed", and I can't find a way to solve this problem. I did this experiment several times, and in early printing, it is said immediately that the filter is not on my computer, but continues to print up to a page where it stops. Some pictures on the already printed pages are distorted. Is this related to the Sierra macOS? This is true for my two computers. I replaced the cartridges of ink, but in vain. I've also sent cannon on it, but they take a lot of time to answer me.

  I have another printer on the floor in my house, which is of my fathers. So, I tried printing with it, but words have white lines through it, for some pages. This shows that it may be a problem with the document or the software, macOS Sierra 10.12.

  For two printers, it seems that the content of the pages is pushed down as well.

  Thank you very much

  Ethan

  Have you looked for a new driver for your printer? Canon are responsible for updating the drivers for their products to ensure that they are compatible with the new operating system