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Found 11 results

  1. Started some work on a simple C code generator for LabVIEW. https://github.com/taylorh140/LabVIEWCGen I was working on some ideas to handle some more complex Items. Had some thought about using https://github.com/rxi/vec To handle strings and other arrays/vectors, I would like to pass these more complex data types by pointer. However I am looking for some ideas as to when to make a copy. I know LabVIEW has some internal item that manages this but I haven't found a way of accessing it quite yet. Let me know if you think this is worth some effort. Or if you have any ideas
  2. Has anyone found any properties or methods associated with malleable VIs? Specifically, I was hoping to find a way to invoke the "Convert Instance VI to Standard VI" function after confirming that a selected VI was indeed malleable. LabVIEW reports the class type of a selected malleable VI on the block diagram as a standard Sub VI, and I didn't see any properties/methods under the VI class. I'm exploring what it would look like to make a utility to convert a malleable VI into a polymorphic VI for the purpose of backwards compatibility. I'd like to have a reference library that uses
  3. Doesn't work, don't know why, please help, ev3 only ev3_sweeper.vi
  4. Hi guys! I know that it is an old topic , but I will try ! My DAQ board sends to PC data in the following format. !voltage1[0],voltage2[0];voltage1[1],voltage2[1];voltage1[2],voltage2[2].....voltage1[n-1],voltage2[n-1]:TIMER4,TIMER5<CR> ! is the starting character and we have "," , ":" and ";" as delimiters. In the end of the packet (after ":") my board sends the values of two microcontroller timers (4 and 5). The first data packet ends with a <CR> and my boards repeats that every 3 seconds. I need to plot voltage1[n] and voltage2[n] in
  5. Hello, I am trying to build a code that will automaticly read the pressure signal (as voltage) from 8 seperated valves and will write all the data recived to an excel sheet. I want to ba able to change the blower speed with the indicator of the For loop. It works for the 1st. iteration (speed=0 full speed) but for the second iteration(speed=0.1) i get an error: Error 5001 occurred at : PWM Set Duty Cycle N Chans.vi >> Set Duty Cycle.vi >> Send Command.vi Appreciate the help, Sahar & Liat. activate digital ports3.vi
  6. Hello everyone, I’m not sure which forum is the right one which is why I created two new topics with the same content (one in Embedded and one in VI Scripting) – so sorry for the spamming. I have two questions: How can I generate a cRIO project programmatically? How can I start the “Discovering Devices” tool of the Project Wizard automatically? At first I will describe a bit more what I really want to do: I’m about to write an auto coder which should create a complete new FPGA project on my cRIO system without any user input. In the
  7. Hello everyone, I’m not sure which forum is the right one which is why I created two new topics with the same content (one in Embedded and one in VI Scripting) – so sorry for the spamming. I have two questions: How can I generate a cRIO project programmatically? How can I start the “Discovering Devices” tool of the Project Wizard automatically? At first I will describe a bit more what I really want to do: I’m about to write an auto coder which should create a complete new FPGA project on my cRIO system without any user input. In the
  8. Hello everybody, I'm about to write an application that can create a complete new FPGA-Project for the cRIO-system automatically without any user Input. Before I ask my question directly, I will give you a few Information about the system and how it works at the moment. I'm working with a cRIO-system that can have different modules in different slots (max 8). That system should be universally usable which means I can replace one module with another one at the start up and create a complete new project with a different name. Most of the project works (I can find out in which slots wh
  9. Hi everyone, I would like to program some little extra functionality to the Blockdiagram Editor. In detail I want to write a tool, that allows me to drag a node over a wire and then automatically inserts it to the wire if it fits (e.g. drag a subVI into an error-wire). I guess I know/can figure out how to write that functionality using VI scripting, but I'm not sure how to implement it to run whenever I edit a VI. My first approach is to write a simple scripting-VI, that I will run whenever I need the functionality (or just place the exe in autostart). This VI will obtain the referen
  10. Hello, Has anyone tried to obtain the path to the VI that called an Xnode? I've gone through most of the Xnode abilities and it seems the only one that actually provides me with the correct VI path is "OnOwnerChange", which provides me with a reference to the "Owning Diagram". I was hoping to get the path on Initialize or Drop so that I can save it into the Xnode's data. The main idea behind this is that I want to create an Xnode with a list of acceptable inputs. The list of acceptable inputs would be stored in a text file in the same folder as the calling VI, and the Xnode would re
  11. Can I create a VI using just C code? I have a C code which has some complex function with inputs suppose x, y and outputs p and q. I want to know whether we can create a VI (with/without VI scripting) from whose control panel, we can control the inputs x,y and be able to see the outputs p and q without bothering about the function(which is included in the C code). I don't want to use importing .dll files(which many may suggest), instead create labview blocks/objects on the block diagram of the VI file. Please throw some light on how to do if it's possible. Thanks in advance.
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