# How do you create array of enums for transitions in a state machine?

Hello,
I am trying to build a state machine, but, I am struggling with understanding the methods for determining which state to transition to next.  In other words, I have several states, but, I don't want to go in any particular sequence.  If I have states numbered 1 through 10, I want to be able to go 1-4-2-5-6-2-6-1-10 etc. in no particular order. I want the transition to the next state  (and actions) to be determined by the streaming data, which can be random and require access to any of my 10 states at any time and in any sequence.
I saw this picture on the "Application Design Patterns: State Machines" white paper, but, it leaves out some important details.  How does one create the structure in BLUE shown in 3C?  When I try to create this array of enums, all of them are the same. I am not able to make a list of different enum values.  In other words, when I type in "2", then, all the values in the array display as "2."
There is a nice, simple video example of a state machine for dispensing soda for \$0.15, however, this state machine moves in a single sequence, from 5 cents, to 10 cents to dispense; it does NOT illustrate how to select a state "out of order."  I need to understand how a state machine can move from "5 cents" state to dispense directly, with the addition of 10 cents to the "5 cents" state.
Can anyone suggest a really good tutorial on how to make the selector work in a state machine?  I have been reading some of the available material on ni.com, but, I can't find a good detailed explanation of how to do it.  I remain confused.
Or, can you just explain how they created the BLUE array in the attached picture?  Maybe I can figure it out from there.
Thanks,
Dave
Solved!
Go to Solution.
Attachments:
next state.jpg ‏75 KB

Hi Kathryn,
Yes, this is EXACTLY what I want to accomplish...
So it would basically run:
State 1
Determine next state (say 3)
State 3
Determine next state
State
Determine next state
And so on...
But, I am quite new to programming Labview state machines, and can't figure out how to even start when the sequence of states is random instead of fixed!!! I can do 1,2,3,4, like the vending machine VI example, but,  not 1,3,2,2,2,5,2,1 etc. based on external input.  Is there some simple example case I can study?  I can't believe I am inventing this for the first time.
"select the state to run"
But, HOW do I do this???????   This is exactly the question I am asking...how is this done?  Please see the attached 3-state system....how do I hook this up????  I am totally lost here...can you help me understand how to wire this thing??  In this simpe RED/GREEN/BLUE case, my input is just the number a user would input on the front panel....  Apparently, there are two files necessary... a vi and .ctl???  What  is .ctl?
Thanks,
Dave
Attachments:
forum nov 12 red green blue.vi ‏7 KB
forum nov 12 red green blue.ctl ‏5 KB

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