Structuring of Code for manual, record, playback Mode

Hello

I have 3 Vi, one for manual operation, a recording and for playback of the recorded data. They take a 0 - 5V signal, read by an Arduino Uno microcontroller.

Manual - this just constantly reads the signal

Save - when activating this records the signal since the announcement of the Arduino writes the values to a file

Reading - it takes the data written to a file and reads it.

I'm not sure how to structure code. I want the user to be able to choose between modes and go at random (i.e. There is no fixed sequence). I would also like the common points such as the output array use the same plot, not use a field for each mode.

I tried to do it using a structure of matter, but you can only change the case if you change the case, then stop the currently active state. Even if it works not for switching between some said that they don't have a stop button to allow the release of the active State to the new.

I'm sure there must be a practical way to do it, I'm not sure what it is and not sure what to look for on the forums. I enclose my current attempt. Advice or examples of a similar type vi would be appreciated.

The code will be eventually integrated into an operating system manually a table 3 axes (stepper motors), with the ability to record and play. I have dealt with step by step motor control, I just need to figure out how to switch between modes of operation. The entry will come of the joystick and potentiometers measured by a microcontroller to form the entrance.

I am using labview 2010.


Tags: NI Software

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