Counting number of inputs

i have an input variable, aquired by using bitin.vi, and have translated into an interger. - ie 1 for input r 0 for no input. is there a way of counting the number of inputs in a given time?
im building a heart rate monitor, and need the inputs of pulses to be counted to calculate the bpm.
any help on getting the value to add up in 10 seconds would be greatfully appreciated.

Why make it so complicated? This is much simpler:
I am not familiar with "bitin.vi". Are your pulses coming in one at a time? In an array? In a waveform? If they are coming in one at a time, you can use a case structure and a shift register similar to the picture above. If they are in an array, and the only values are 0 and 1, you can just sum the array over the time range you are interested in, and that will give you the number of pulses (look on the Numeric palette). If you have a waveform, you can get the Y array from the waveform components and sum that array. If you want all the pulses in the waveform, leave out the Get Waveform Subset part.
Message Edited by jasonhill on 04-26-2006 12:56 PM
Attachments:
improved count.PNG ‏5 KB
improved count2.PNG ‏4 KB

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http://forum.java.sun.com/thread.jspa?threadID=605663

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Welcome to the Oracle Forums !
>
Can I create a dynamic number of inputs during runtime?
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Application Express 4.0.2.00.06
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We have a table that holds metadata about files (hardcopy or softcopy files).
We expect we may need more columns in the table at some point and don't want to modify the table or the application.
So in order to do this I would like to create:
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TBL_FILE_NAME VARCHAR2(1000) (This will be the name of the file)
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TBL_META_COLUMN VARCHAR2(30) (This is what the column name would be if it existed in TBL_FILE)
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So a person can have as much meta data on the file with out having to add columns to the table.
The problem is how can I allow users to add as much data as they like with out having to re develop the page.
>
Creating Page Items dynamically is not available. You will have to create excess items and hide/show , etc. But you cannot change the Item Type. All in all, too many limitations in this approach.
>
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>
The 100 item limit will hit you if you go with extra item on page. With Tabular Form that should not be a limitation, unless you are exceeding the 50 item limit of APEX_APPLICATION.G_Fnn items, and the 60 column limitation of Report region with "Use Generic Column Names (parse query at runtime only)" of Dynamic region.
>
I know how to add we can create multi-row inserts by using a SQL Query (updateable report),
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>
If the type if item is variable it only means you need a way to store the item type. Meta Data of the Meta Data.
>
So I don't see now a SQL Query (updateable report) would work for this and I can't create an array of page items at run time can I?
>
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>
Any idea's how I could accomplish this? Is there a better way of doing this?
Also is there a term or a name for what I am doing by creating these 'virtual' columns in another table?
I found this method when looking at Oracles Workflow tables.
>
I guess that is just a good TNF. It is the Master-Detail Design Pattern, that sound more modern ? ;)
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