1. Serial Communication With Labview Tutorial Data Pdf
2. Free Labview Tutorial

Minecraft pe mods ios no jailbreak ifunbox download. A 1-Wire®, or most probably a 3-wire (signal ground, receive, and transmit), serial over USB accounts for one of the oldest and still most common forms of communication between a device and a data acquisition subsystem (a computer running LabVIEW in our case). LabVIEW-Arduino Interfacing for Data Acquisition and Telemetry. (NI Serial Communication) Use LIFA (LabVIEW Interface for Arduino). LabVIEW-Arduino Interfacing for Data Aqcuisition.

I am controlling a device over serial connection using LabVIEW (version 7.0). It is connected using USB, and is installed as a virtual serial port on the computer (running Windows XP). Every now and then my device crashes when my program sends a command, and it is unable to accept any more input (the device itself also stops working) until it has timed out.

Serial Communication With Labview Tutorial Data Pdf

I've looked at the serial port traffic using Portmon. Whenever the device crashes the serial driver sends the command I send using my program four times instead of just once, with an IOCTL_SERIAL_GET_COMMSTATUS command in between. I cannot see what this last command returns, but I assume something happens in the communication earlier on. I'm thinking my configuration of the port is not entirely right, but I have no idea how or why. I open and close the connection to my device every time I want to write something to it.

Free Labview Tutorial

For completeness' sake: it has a baud rate of 9600, 8 bits, no parity, 1 stop bit, and no flow control. I'm aware that the correct settings of these parameters depend on the device, but the manufacturer has not supplied any recommended settings.

1 Answer

The driver is a DLL of some sort? If so, this is the most likely source of your problem, and you likely will need to contact the author of the driver. LabVIEW does have crashing bugs, but by far the most common source of crashes in simple communications apps is a buggy third-party DLL.

In other words, I doubt this is a LabVIEW problem at all and that you would have the same difficulty if you wrote a C program to talk to this driver. I only know what you've posted here about your system, but after many years of chasing down such issues, I would start with the device manufacturer/driver author.

If you have evidence to the contrary, please share.

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