Bird inherited instrument (harmonica)

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• Instruments GPIB remote access through the GPIBConf device names

  Hello

  I am trying to run the Labwindows 2009 SP1 code on a PC based office while trying to exploit the GPIB instruments

  on another part of the network.

  Normally, this isn't problem with VISA server on the target computer and the use of names of Alias VISA within the

  Office PC code.

  But this code was inherited and uses a different method which has been the best over time.

  The code uses device name strings that have been defined using the GPIB utility: GpibConfig.exe,.

  on the target computer. So when a device is first initialized, the name defined in the GPIB utility is used

  by the code and the associate instrument access are reached. It works fine when the code and

  the instruments are located on the same PC.

  My question: is there some way I can use VISA access server remote GPIB instruments help

  defined names on the computer target with the GpibConfig.exe utility?

  Thank you

  Gary.

  The low-level GPIB functions have no knowledge functions VISA or aliases. This must be a very old application since the VISA has been around for 10 years. Have you always the source code so you can change your GPIB for VISA?

• Recommend products OR for my application (controlling several instruments at the same time)

  I'm new to Labview, currently only using the trial version.      There is money in my budget to buy control software, but I need to qualify my needs.

  What I try to do is to control several pieces of equipment to test as a single system, which allows me to perform automated on conventional measures

  and digital two way radios.

  Here is a list of the material I want to control:

  First of all, my controller is a & Rohde Schwarz 3 PSL.   Fully GPIB active and ready.  It is the PC control software will reside on.

  Equipment:

  Spectrum analyser Rohde & Schwarz FSEA 30 with modulation analysis package digital option B7

  FSEA 30 second, same configuration

  R & S AMIQ4 I / modulation generator Q (files of the software residing on the PSL3)

  Generator of analog signals from R & S SMY 02

  Agilent E4431B analog-to-digital signal generator

  Agilent E4406A spectrum analyzer/digital radio test set

  E4418B Agilent RF wattmeter with sensor

  General Dynamics R2670B service monitor

  A typical application will be a test of classical radio on VHF or UHF analog channel.

  The idea is to enter pass and receive frequencies through Labview or any software is best suited for the job, as well as modulation parameters.

  and have the following things occur: assume usage of 150,000 MHz with a FM frequency modulated 1 kHz sounds modulated to the deviation of 2.5 KHz

  in total, with your 127,3 Hz subaudible to a gap of 300 Hz

  Test phase of receiver: send commands to control of instrument of Agilent E4431B signal generator.   Level set to-60 dBm.  Set to 150,000 MHz frequency.  Set

  Audio 1 to 1 KHz and audio tone 2 to 127,3 Hz at a level of 8 pecent of your 1.  SD total do not exceed 2.5 KHz.      Inject the test signal into port RX

  on the radio.

  The value R2670B SINAD function, related to the radio via the audio output port.

  Signal level to ramp down to the SINAD falls to 12 dB.

  Increase the level of the signal to the attenuation of 20dB.   Measure the audio distortion.

  Testing of transmitter: using the attenuators appropriate necessary on the analyzers of spectrum, and/or using a switched network of wiring.

  place radio to transmit using above specifications frequency and modulation.    Analyzers to receive on the frequency designated value

  and measure the transmitter specifications, including nonessential radiation measurement and harmonics.    Measure actual output power

  Via E4418B-power meter.

  I use two monitors to perform multiple tests in a same transmission. One is optimized for spectral purity tests while

  the other analysis of modulation characteristics.    Frequency, duration and RBW are defined according to the needs.

  When you test a digital radio, the signal chain is slightly different.  The AMIQ I / Q modulation generator s I / Q outputs are sent to the

  I / Q inputs on the Agilent generator, the power is on to accept external I / entered Q and the FSEA Spectrum Analyzer (an a)

  the) is passed to a preset that implements all relevant digital parameters so that it can be used to directly evaluate the digital transmissions.

  It is not a very developed in the planning system, but I do not know now whether Labview is everything I need or if I'll need to Teststand or another

  software packages.

  I'll probably want to ask for some advice on how to get this set up, eventually.

  LabVIEW is more than capable of this task. That's what it was designed to do. Use the help > find the instrument Drivers to find and install the drivers that you can use to control and read.

  TestStand generally requires the use of a programming language. It runs the tests that you write and provides functionality built for the production of record and report database then you would need to write these modules yourself with LabVIEW fair and some add on box to tools. For a single test configuration, it is perhaps an exaggeration, but it is interesting to watch as an addition.

• Appeal of c# classes for LabVIEW instruments

  The c# programmers here in my company have developed a great c# class that contains all of the interfaces of instrument for our various test stations.  Instead of re - write all this LabVIEW code that would cause a maintainability nightmare, I want to use the class that they have created (and as an asset, tested and verified).

  I can get to all different methods, etc. so, using the .NET / LabVIEW connectivity is not a problem.  In addition, it's a matter of how exactly should I create the interop so that it is usable for our effective use of LabVIEW programmers.

  A quick description of the structure of language c#, using the Switch class for example:

  Upper level of the class has all the features of base common to all switches, and then as is normal, specific instruments have common methods in their breast and a few additional methods specific to this model.

  They use the Ifactory model for all this.

  Now I can be reading too far into this, or perhaps not far enough.

  I know that when we create classes in BT we can do a general change of class, and then have children of this class of specific instruments. In my case, I duplicated their structure and I all methods of higher level in a class of 'Switch', then a folder of children of switch has classes for each of the classes of children. I then put in place so that the child class inherits from the parent for each child.  All this with the intention of using dynamic dispatching.

  My first question is: who don't already be managed in c# code?  By calling the method of the parent class, wouldn't not on the c# code to take the correct child?  Or is it since I was using just the class, but not all of the air capacity of c# (I'm NOT an expert in c# if it isn't obvious now) I'm having to manage the dynamic send in LabVIEW?

  How exactly should I do after I have integrated LV class and configuration in pallets for future programmers? It's their programming, they know that they need a function from a specific switch, so they put that and by plugging in this interface of method, the class switch, it automatically performs the dynamic send call in the class (in fact, I typed, it made sense).  What I was wondering, is that we are so concerned about the adaptability / changability; We have a proverb which says that if Exchange you an equivalent switch in, it should work without having to re - write the code.  So of course, I am writing for this purpose.  Again, as I write this, I find to say to me, 'If you must use a particular method to pass type, because it is what is needed, then would still have an equivalent switch, with this same ability of method.

  I know I have rambled on this, but these are the roadblocks which my mind throw out there that I have create the method interfaces.

  Did anyone done something like this before? Is there an example that you could send me or tell me?  I can't believe I'm the first to try to take advantage of c# code that has already been written. I believe that I understand the nuances of make it right.

  Thanks for reading and potentially for helping me through this. It's very appreciated.

  Dan

  You could still do the objects accessible .NET via pallets is to put them in a merger of VI - one that its content when it falls from a palette on the block diagram. You probably wouldn't want to do it for every single method, but if make you at least the major top-level classes or the available constructors in this way (or property or call node for a static class), you're going to do the hard part (finding the right assembly and class) easy.

• Best way to distribute the Drivers of Instruments LabVIEW.

  Hello

  I'm trying to stick to the standards described just that:

  • Development of instrument LabVIEW Plug-and-Play Drivers
  • Instrument driver development tools and resources
  • Instrument Driver Guidelines

  However, I see clearly what is the best way to distribute LabVIEW instrument Drivers, except that I need to be compliant with these standards are on the IDNET (Instrument network drivers).

  Here are a couple of questions, I'm not really sure of their responses:

  • Is it safe to use a .NET dll and make calls?
  • Is this really hide the block diagram? With the passwords in the drivers
  • Can we prevent the change
  • In my situation several devices (or let's say modules can be controlled by means of a communication), so basically I could be an instrument for many things drivers.,.
  • Can I use some OOD? In order to control the equipment with methods and set properties and encapsulate the tricks of communication in the classes, some equipment could be considered are inherited from other (most recent example), or it is totally prohibited by the above guidelines?
  • What is the type of specification build more appropriate: library packages or other? If packed library, how to handle the first version created problem at the opening of the lib with the new version of LabVIEW then?
  • How to deal with the copyright thing, I have to copy and paste the copyright on both before and on the block diagram Panel?
  • Is this copyright enough: "Copyright (c) . All rights reserved"?

  Ehouarn wrote:

  Hello

  I'm trying to stick to the standards described just that:

  • Development of instrument LabVIEW Plug-and-Play Drivers
  • Instrument driver development tools and resources
  • Instrument Driver Guidelines

  However, I see clearly what is the best way to distribute LabVIEW instrument Drivers, except that I need to be compliant with these standards are on the IDNET (Instrument network drivers).

  Here are a couple of questions, I'm not really sure of their responses:

  • Is it safe to use a .NET dll and make calls?
  • Is this really hide the block diagram? With the passwords in the drivers
  • Can we prevent the change
  • In my situation several devices (or let's say modules can be controlled by means of a communication), so basically I could be an instrument for many things drivers.,.
  • Can I use some OOD? In order to control the equipment with methods and set properties and encapsulate the tricks of communication in the classes, some equipment could be considered are inherited from other (most recent example), or it is totally prohibited by the above guidelines?
  • What is the type of specification build more appropriate: library packages or other? If packed library, how to handle the first version created problem at the opening of the lib with the new version of LabVIEW then?
  • How to deal with the copyright thing, I have to copy and paste the copyright on both before and on the block diagram Panel?
  • Is this copyright enough: "Copyright (c) . All rights reserved"?

  But unsure about 1) (2) and 3) definitely are a no go if you want your library to be distributable through the network ID. The standard only allows dll in which are really developed in C, but you also need to distribute the C code as far as I understand.

  OOP isn't necessarily a problem.

  Packed library is certainly not something you want to do. They work only in the version of LabVIEW in which they were created. You hate when you decide to go with the packaged libraries requests arrive for other versions of LabVIEW and your drivers are high on all the forums of discussion as being a pain in the ass to use.

• Bird fails via enet/100 with ELCK on all other attempts

  I use my own code (C/C++) on linux which reads data from a RF Boonton Electronics 4300 running talkmode via a power meter box GPIB-ENET/100.  The first Bird command returns data properly but the second fails, and this trend continues thereafter.  Change in the amount of delay between the orders of Bird does not appear to have any effect.

  Ibsta shows ERR, TIMO, CMPL, and the error seems to be ELCK whenever he fails.  There is only one instrument connected to the box ENET/100 and that a copy of my program interact with it.  My program is multi-threaded, but I keep a mutex on the gpib lock of in the thread making the reading of the instrument.

  I connected one committed GPIB to ENET/100 box and I can only see good handshake and transfers of data from the instrument to the listener at the same frequency that I get good data in the application.

  Using a packet sniffer, I see what I guess it's the error response coming back from the box of ENET/100 on all other Bird attempts.

  Does anyone have an idea what could be the problem?  I would try to run the power meter in another mode where I could ibwrt and get a unique response from the Bird, but I don't think that this mode exists.  Thank you.

  Jim

  So I think I thought a solution to my problem... maybe someone could explain why this works?

  If I execute a command ibtrg before each Bird, I never receive any errors.  What confuses me, is that I thought that the talkmode supported by the instrument does not require an external trigger, but apparently he... half the time.

  BTW, I use older drivers or-488 to the situation above.  I also tried to use reminders ibnotify with 488.2 without success.

  Jim

• Logic pro built in instruments

  Hello, I'm an indie game developer and I'm looking for a music software with a small budget and space since it's my first game I intend to publish I don't really have the opportunity to have a defined heck appropriate music that I did not even a microphone

  so I was wondering if I can use logic pro x without instruments, if it has a built in instruments such as garage band, otherwise it is very good...

  Logical X has a wide range of integrated instruments, better than Garageband.

  There is also a wide range of instruments and effects plug-ins free-buy music electronic magazine, many come with a wide range of free downloads, samples and real plug-ins (e.g. Computer Music magazine). They are usually VST, but many are THE (compatible logic) too.

• Update errors (iPhoto, Garageband) inherited iMac 2011

  I've updated an iMac mid-2011 legacy of OS X Lion to El Capitan, and almost everything works, except that the App Store again that Garageband and iPhoto (*) requires the update, but when I try to do updates: "Update not available with this Apple ID" / "this update is not available for this Apple ID either because it was bought by another user or the item has been repaid. or cancelled. "(for Garageband, has always been the same second part of that message; I could have sworn that attempts to update iPhoto used to give another like the one given below after a failed attempt to execute it, but now, it's the same mistake as with Garageband).  After that, I get another message, "We could not complete your request." / "there was an error in the App Store. Please try again later. (null) ».

  (*) I understand not iPhoto is obsolete, but despite you ask to import from iPhoto, Photos actually seems to have done the job (maybe he did, but I can't be sure if I can't open iPhoto), so I would need to retrieve inherited photos (family).  If it is not possible to update, can someone let me know which directories to go to be safe?

  The existing version of iPhoto is 9.2.1 - this will not work and says he needs an update (who, when tried, gives the error message "Point not available" / "the object you requested is not available in the US store.").  The existing version of Garageband is 6.0.4 - this runs, but says it needs an update.

  To the best of my knowledge, the previous owner never bought either of these as a separate post (the previous owner never used Garageband and found it annoying that this has been included in the default Mac OS X software), and I don't think that the previous owner has even bothered where was able to set up a Apple ID , so I don't know why these 2 programs to give the above error messages when any other update very well.

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  When Googling for solutions, the people of problems post answers to always seem to be a little different, although I knew to have duplicates on other readers might cause problems (I can say in advance that I don't have this problem: it happens with any connected storage device).  I tried the solution to drag *.app for these last records in the trash and then retrying App Store, but he wants to charge for Garageband and will not appear iPhoto at all (although it shows for iPhoto Add-ons that are always available).  I also saw a workaround complicated for those who want to stick with iPhoto instead of Photos that is to make a new account to install it (in fact I already did, by making a new account on this computer after the update to El Capitan, even if I get the same errors on the previous owner).  Also, before you just drag *.app for these last files in the Recycle Bin permanently, I need to know if other things must be removed to get rid of them, if they cannot be updated.

  Before anyone arrives on my case about do not update the software on the Mac for a long time before Mac OS X El Capitan, also note that the previous owner had problems of health and health problems of the family during the duration of validity as it should have been upgraded, enough to take it past option of discord.

  Apologies for any question in double (strangely, putting my question in the search bar or by post in these forums did not turn anything and sent me directly to do this post) or something that should be obvious, these last weeks have been my first experience Mac search in the system (i.e., more than occasional use during the family visit) since the mid-2000s , and this is my first time on these forums.

  This you should get a completely restored system so that it was when it was first purchased. After that upgrades should be thin. There is no Apple given ID. All applications must work.

  1. The recovery of Internet startup by pressing Option + command (⌘) r immediately after start-up or that you restart your Mac. Release the keys when you see the Apple logo. Start-up is finished when you see the utility window.
  2. Open utility drive in the Utilities window, then use disk utility to erase your hard disk using the Mac OS extended (journaled) format. Quit disk utility when done.
  3. Choose Reinstall macOS (or reinstall OS X) in the utility window, and then follow the instructions on the screen.
     This installs the system provided with your Mac, when it was new.

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  If I remove the drum track and play the drums when the piano piece is selected, then the drum notes are played like piano.

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  Thanks in advance

  Not sure about your question...

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• Where is the button pitch bend the instrument software ' monster bass?

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• Since the update to 38.4.0 that t-Bird stops working, it freezes. RESOLVED itself. unknown cause

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  Xavi.

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