Sensirion EKP-3 Code to read the raw ticks from the SDP6xx Pressure Transducer with LabVIEW

Guys:
I have seen the post here about the Temp Humidity sensor: Ref: http://forums.ni.com/t5/forums/replypage/board-id/170/message-id/749141
Pardon the post under a new topic but I was advised to post it in a "new thread"... With the Device name in the title..  If this is a no-no let me know...
Here is a question for the EKP-3 using the USB for the SDP6xx Here is an overview of what I am looking for... 
http://www.screencast.com/t/RUDOisSvqC
I have the Sensirion EK-P3 Stick to talk to the pressure transducer..
This stick is made by these guys: http://www.codemercs.com/349/
My question is how did you figure out the binary code to read the T and RH from the  iowkit.dll
I want to read the RAW TICKS from the device that represent pressure. They go from 0 - 65535 and I have spied on it with WireShark and can not wrangle the binary code to read the raw ticks I am after.
I made a video you can look at to see what I want from my learnings from this post: 
http://www.screencast.com/t/UnCTJtvWLe
I attached the DLL as well (Just rename it to iowkit.dll because LabVIEW does nol like dll's in attachments... so you do not have to mess with the msi.
You may contact me directly at [email protected]
Thanks!
Dave Korpi
Ref: http://forums.ni.com/t5/forums/replypage/board-id/170/message-id/749141
Attachments:
SHT75_IOWarrior.llb ‏139 KB
iowkitdll.txt ‏71 KB

Cameron... Wondering if you knnow how to get a 2's compliment for a 12 bit value in LabVIEW?
I am looking to get the code to communicate to this top secret Sensirion product.
Anyone know if I am properly sending the commands at 1, 2 and 3 of the image below?
At issue, I think, is getting the two's compliment of the two 8 bit registers at Data LSB and Data MSB using LabVIEW...
I have been working with the wizards at http://www.codemercs.com/258/?L=1 who have been EXTREMELY helpful.
They have an AWESOME I2C to USB converter that you can get OEM devices to work for your I2C project. It is a single channel version of the NI-8451
Anyone out there can figure this out so I can read the RAW TICKS from the Sensirion SDP6xx product line?
Thanks a million! 
Feel free to contact me at 831-455-0418 (pacific time) or [email protected]
Attachments:
SensirionCalls.png ‏121 KB
Sensirion_Differential_Pressure_SDP6x0_Sample_Code_V1.pdf ‏97 KB
LabVIEW_IOWarrior_V150Second.zip ‏1403 KB

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