SAM G FPU use. How to determine if it is being used.

Discussion around product based on ARM Cortex M4 core.

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jonavarque
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Joined: Fri Jul 10, 2015 6:35 pm

SAM G FPU use. How to determine if it is being used.

Tue Dec 15, 2015 7:08 pm

Using AS6.2. How do you determine if the FPU is actually being used? I have only a few floating point calcs in my app but they seem to be taking a very long time. fpu.h is in my project paths but I am somewhat unsure of how this all works. I searched for examples of enabling and disabling the fpu but did not see any particular to the M4 hardware. Please advise.

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