saving data from flat sequence stepper motor

[cpalka]

Dear Friends

With help of Nathan I make a program to control 2 stepper motors (xy)

As I need a to measure profiles from ground with a distance laser, I need a movement in yy and xx.

My solution was arduino + shield + LIFA.

The code was a flat sequence of 1 move yy + 1 move xx + back yy + 1 mov xx inside a for loop and it repeats the times that wath I want

The 1st problem was to putting the software showing the stepers to go now I can see the countdown of the stepper in yy and in xx.and then reading analog A0 from the laser readings

https://decibel.ni.com/content/thread/46259

My problem now is how to save the steppers into a file. I put the write to measurement file.vi e many places but dont receives de values.

Can somebody help me to finish this program in attach?

Many thanks

cpalka

[Nathan_B.]

The flat sequence structure serves absolutely no purpose in your VI.  You should right click on it and select "Remove Sequence".  Once you have done that, attempt to do what you want to do.  If it doesn't work then you should attach the VI (with the code that you tried) and explain thuroughly what you are trying to acheive (writing something to a measurement file doesn't make sense in this VI, IMO).

[cpalka]

Dear Nathan

You are right the flat sequence does nothing, but I start with it to get stepper counts.

Now the small loops make the count good.

- I add a analog read from laser, but the precision seems poor (10 bits arduino). If it works there should be finished.

- I add calibration factors from stepper to mm

- Now I need to add another board (NI USB6009) to read the laser, I will need another loop for that and how can joint laser reading, and stepers counts in same file?

I attach last version (A0 from arduino for laser) and this version saves all profiles in 1 way in a file and comeback profiles in other file, but is it is possible I would prefer putting all dat in a file only.

A picture from the table, laser and 2 files with 2 profiles inside each

Many thanks to keep help me

best regards

cpalka