flipperzero-firmware/target_f2/Drivers/CMSIS/DSP/Source/ControllerFunctions
..
arm_pid_init_f32.c
arm_pid_init_q15.c
arm_pid_init_q31.c
arm_pid_reset_f32.c
arm_pid_reset_q15.c
arm_pid_reset_q31.c
arm_sin_cos_f32.c
arm_sin_cos_q31.c