Use both CAN APIs

Hi,
I am developing an application that talks to a microcontroller. I would like to use the Frame API for setup where I can send commands and get responses, and would like to use the Channel API for a mode where I am simply monitoring messages that I receive from the micro.
I have a state machine where I begin by opening the Frame API, have some different states that i go into which utilize the query/response aspect of the frame API and then a state which closes the Frame API and opens the Channel API. The problem that I am having occurs when I have already closed the Frame API and started a read task with the channel API. When I click the stop monitoring button, I exit the While loop which was reading a message defined in the Can DB (havn't actually had it read data yet) and execute the Channel APIs CAN Clear.VI i get the following error.
Error - 1074388720 occured at CAN Initialize.vi
Possible reasons:
NI-CAN (Hex 0xBFF62110) You cannot use the Frame API and Channel API simultaneously on the same interface (such as CAN0). tools in MAX use the Channel API. Soultuon: Use a different interface with each API.
I need a way to work around this and am not sure why the Frame API isn't seeming to be closed, especially since I have a state in my state machine to close the Frame API before I begin using the Channel API.
If anyone has any suggestions please let me know.
Thanks,
Gary
Solved!
Go to Solution.

sorry i will attach it all again so it can be run. Use this VI. it has a tab control. when the program starts, the frame api is running and then you click stop and switch the tab to see the channel api running. when you click the stop button on the channel api you should see the error.
the error has been occurring every time, but when i just ran it, it didnt give that error. I still think the problem exists and I see the problem in my real app that basically does the same thing.
Attachments:
Test for both APIs.zip ‏44 KB

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