Unable to use CMSIS library in Atollic
问题 I am trying to use CFFT function for my STM32 microcontroller in Atollic TrueStudio. But I am unable to use any of the DSP functions. I get the error - undefined reference to `arm_cfft_f32' and undefined reference to 'arm_cfft_sR_f32_len16'. I don't know what the problem is because it works on Keil. What am I doing wrong? #include "stm32f4xx.h" #include "arm_math.h" #include "arm_const_structs.h" #include "core_cm4.h" #include "math.h" #define TEST_LENGTH_SAMPLES 32 float32_t ffttestip[TEST