Using FPU of nrf 52

Question

hello,
I am using Keil's uVision 5 v 5.22.
Please tell me how to enable FPU.
thank you,

Sigurd · Accepted Answer

Hi, 
 There is a FPU example in the SDK. It's located in the folder 
 <SDK_InstallFolder>\examples\peripheral\fpu_fft
 
 In Keil the Floating Point Hardware option must be set to "Use Single Precision":