floating point math with SDK 15 and nRF52840

[weightwatcherphil]

I am using a three axis mems sensor and will need to computer trig functions.

If I use the math.h in the Segger Embedded Studio will it use the floating point hardware in the nRF52840 ?

[Martin Lesund]

Hi Philip,

Where do you have this math.h file from?

(CPU documentation nRF52840)

[weightwatcherphil]

The file is shown below.  The question is that when Nordic built the BLE examples for the nRF52840 processor did they make sure the Segger Embedded Studio uses the FPU.

 

[Martin Lesund]

Hi Philip,

In the file "system_nrf52840.c" you can see:

and from "project options":

[weightwatcherphil]

thank you