commbreak

Hello

I need to produce a break on the CVI system real-time rs232 COM port.

I tried to use the ComBreak() CVI function, but there is not a sufficient resolution (I need a break from 650 µs) and there is a delay between the break and the next image.

I also tried using SetCommBreak() and ClearCommBreak().

But these function does not support the CVI real-time system.

Is there a solution for this problem?

Thank you very much for your help!

Unfortunately the CVI RS-232 library does not support the definition of the State of pause during less than 1 ms another option would be to set the serial port using VISA, which allows you to enable and disable the State of break directly, so you can let it say for too long, you need. To do this, you would call viSetAttribute with VI_ATTR_ASRL_BREAK_STATE.

A. Mert

National Instruments

Tags: NI Software

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