Using Rowley Crossworks and CMSIS DSP V5.6.0 library. Function arm_cfft_f32 works but arm_rfft_fast_f32 hard faults. arm_cfft_f32 (&arm_cfft_sR_f32_len16, TestInput, 0, 1);
arm_cfft_f32 (&arm_cfft_sR_f32_len16, TestInput, 1, 1);
status = ar...
Hi Ozone. It's true that Crossworks default stack is 256 bytes but the problem seems to have been the FPU.It looks like the Crossworks default new project FPU settings for the STM32F767 are "soft" and "double precision".These can be changed in the Pr...