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7 years, 2 months ago.
What is the version of CMSIS-DSP library that you compiled lastly? After the verion 1.4.0 of CMSIS-DSP some important functions are deprecated such as arm_cfft_radix2_f32 and arm_cfft_radix4_f32. Instead arm_cfft_f32 is superceded. But this function requires arm_const_structs.h file which is not included in the last version found in mbed.
Also I've found similar problem issued earlier in