How to get form input in the same portlet using pageflow

Hi this is premkumar
i created 2 portlet in a portal how to get form input in the sampe portlet using
pageflow
help as early as possible

Do to the complexity of the program we need to run it with sequences.  This is because we need to aquire data with DAQ until it reaches a certain point and then stop collecting so that it can do its process (only once for all times criteria is met), and then loop around till again collecting after DAQ drops back below certain point looking to once again reach that point.  Another flat sequence is going outside of this where I want to put the prompt and have a user input to affect how many times that that the inner loop is run (No a For Loop instead of the while loop will not work either for other reasons). 
I just want to know if after the program starts you can have a user input that will change the effect of the rest of the programs action based on the number inputed.

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