FFT algorithm, you can capture the frequency of the input signal, which allows me to directly change a signal into the frequency domain to analyze, using 103 to write

FFT（DSP库）\DSP_LIB\arm_cortexM4lf_math.lib
FFT（DSP库）\DSP_LIB\Include\arm_common_tables.h
FFT（DSP库）\DSP_LIB\Include\arm_const_structs.h
FFT（DSP库）\DSP_LIB\Include\arm_math.h
FFT（DSP库）\DSP_LIB\Include\core_cm0.h
FFT（DSP库）\DSP_LIB\Include\core_cm0plus.h
FFT（DSP库）\DSP_LIB\Include\core_cm3.h
FFT（DSP库）\DSP_LIB\Include\core_cm4.h
FFT（DSP库）\DSP_LIB\Include\core_cm4_simd.h
FFT（DSP库）\DSP_LIB\Include\core_cmFunc.h
FFT（DSP库）\DSP_LIB\Include\core_cmInstr.h
FFT（DSP库）\DSP_LIB\Include\core_sc000.h
FFT（DSP库）\DSP_LIB\Include\core_sc300.h
FFT（DSP库）\Libraries\CMSIS\core_cm3.c
FFT（DSP库）\Libraries\CMSIS\core_cm3.h
FFT（DSP库）\Libraries\CMSIS\startup\startup_stm32f10x_cl.s
FFT（DSP库）\Libraries\CMSIS\startup\startup_stm32f10x_hd.s
FFT（DSP库）\Libraries\CMSIS\startup\startup_stm32f10x_hd_vl.s
FFT（DSP库）\Libraries\CMSIS\startup\startup_stm32f10x_ld.s
FFT（DSP库）\Libraries\CMSIS\startup\startup_stm32f10x_ld_vl.s
FFT（DSP库）\Libraries\CMSIS\startup\startup_stm32f10x_md.s
FFT（DSP库）\Libraries\CMSIS\startup\startup_stm32f10x_md_vl.s
FFT（DSP库）\Libraries\CMSIS\startup\startup_stm32f10x_xl.s
FFT（DSP库）\Libraries\CMSIS\stm32f10x.h
FFT（DSP库）\Libraries\CMSIS\system_stm32f10x.c
FFT（DSP库）\Libraries\CMSIS\system_stm32f10x.h
FFT（DSP库）\Libraries\FWlib\inc\misc.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_adc.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_bkp.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_can.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_cec.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_crc.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_dac.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_dbgmcu.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_dma.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_exti.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_flash.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_fsmc.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_gpio.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_i2c.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_iwdg.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_pwr.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_rcc.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_rtc.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_sdio.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_spi.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_tim.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_usart.h
FFT（DSP库）\Libraries\FWlib\inc\stm32f10x_wwdg.h
FFT（DSP库）\Libraries\FWlib\src\misc.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_adc.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_bkp.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_can.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_cec.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_crc.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_dac.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_dbgmcu.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_dma.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_exti.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_flash.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_fsmc.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_gpio.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_i2c.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_iwdg.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_pwr.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_rcc.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_rtc.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_sdio.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_spi.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_tim.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_usart.c
FFT（DSP库）\Libraries\FWlib\src\stm32f10x_wwdg.c
FFT（DSP库）\Listing\cr4_fft_1024_stm32.lst
FFT（DSP库）\Listing\cr4_fft_256_stm32.lst
FFT（DSP库）\Listing\cr4_fft_64_stm32.lst
FFT（DSP库）\Listing\fir_stm32.lst
FFT（DSP库）\Listing\iirarma_stm32.lst
FFT（DSP库）\Listing\PID_stm32.lst
FFT（DSP库）\Listing\startup_stm32f10x_hd.lst
FFT（DSP库）\Listing\Template.map
FFT（DSP库）\Output\adc.crf
FFT（DSP库）\Output\adc.d
FFT（DSP库）\Output\adc.o
FFT（DSP库）\Output\adc_multichannel.crf
FFT（DSP库）\Output\adc_multichannel.d
FFT（DSP库）\Output\adc_multichannel.o
FFT（DSP库）\Output\core_cm3.crf
FFT（DSP库）\Output\core_cm3.d
FFT（DSP库）\Output\core_cm3.o
FFT（DSP库）\Output\cr4_fft_1024_stm32.d
FFT（DSP库）\Output\cr4_fft_1024_stm32.o
FFT（DSP库）\Output\cr4_fft_256_stm32.d
FFT（DSP库）\Output\cr4_fft_256_stm32.o
FFT（DSP库）\Output\cr4_fft_256_stm32._ia
FFT（DSP库）\Output\cr4_fft_64_stm32.d
FFT（DSP库）\Output\cr4_fft_64_stm32.o
FFT（DSP库）\Output\delay.crf
FFT（DSP库）\Output\delay.d
FFT（DSP库）\Output\delay.o
FFT（DSP库）\Output\ExtDll.iex

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