Academic Hardware Products (myDAQ, myRIO)

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custom fpga for I2C interface on MyRIO 1900

I'm beginner in labview. I want to communicate "PmodCMPS"(magnetic sensors array) with MyRIO1900 via I2C interface.

Here is the example film :  https://www.youtube.com/watch?v=bWew4fHWVKo

 

I want to built a "sensor array" to estimate the position and orientation of the small magnet .

 

I encounter some problems. MyRIO1900 only provide two channels (channelA & channelB on DIO14 and 15) 

But there are more than two sensors that I want to use.

 

So,I thought that i can realize it by "custom fpga". But the I have no idea to implement  communications protocol in labview

 

I try to change the setting on DIO9&10 in fpga.vi(fig1), and the fig2 is the in RT.vi

How can I transform the left part of fig2 into the right part(functional icon) of fig2

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Have you solved the problem?Can you tell me?

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