Use STM32F103 microcontroller DSP library functions written FFT1024 point fast Fourier transform, data source is the ADC data capture, results through the serial port printout after conversion.

STM32 FFT
.........\CORE
.........\....\core_cm3.c
.........\....\core_cm3.h
.........\....\startup_stm32f10x_hd.s
.........\HARDWARE
.........\........\ADC
.........\........\...\adc.c
.........\........\...\adc.h
.........\........\timers
.........\........\......\timer.c
.........\........\......\timer.h
.........\keilkilll.bat
.........\OBJ
.........\...\adc.crf
.........\...\adc.d
.........\...\adc.o
.........\...\core_cm3.crf
.........\...\core_cm3.d
.........\...\core_cm3.o
.........\...\cr4_fft_1024_stm32.d
.........\...\cr4_fft_1024_stm32.o
.........\...\cr4_fft_256_stm32.d
.........\...\cr4_fft_256_stm32.o
.........\...\cr4_fft_64_stm32.d
.........\...\cr4_fft_64_stm32.o
.........\...\delay.crf
.........\...\delay.d
.........\...\delay.o
.........\...\fir_stm32.d
.........\...\fir_stm32.o
.........\...\iirarma_stm32.d
.........\...\iirarma_stm32.o
.........\...\iir_stm32.crf
.........\...\iir_stm32.d
.........\...\iir_stm32.o
.........\...\main.crf
.........\...\main.d
.........\...\main.o
.........\...\misc.crf
.........\...\misc.d
.........\...\misc.o
.........\...\pid_c_stm32.crf
.........\...\pid_c_stm32.d
.........\...\pid_c_stm32.o
.........\...\PID_stm32.d
.........\...\PID_stm32.o
.........\...\startup_stm32f10x_hd.d
.........\...\startup_stm32f10x_hd.o
.........\...\stm32f10x_adc.crf
.........\...\stm32f10x_adc.d
.........\...\stm32f10x_adc.o
.........\...\stm32f10x_bkp.crf
.........\...\stm32f10x_bkp.d
.........\...\stm32f10x_bkp.o
.........\...\stm32f10x_can.crf
.........\...\stm32f10x_can.d
.........\...\stm32f10x_can.o
.........\...\stm32f10x_cec.crf
.........\...\stm32f10x_cec.d
.........\...\stm32f10x_cec.o
.........\...\stm32f10x_crc.crf
.........\...\stm32f10x_crc.d
.........\...\stm32f10x_crc.o
.........\...\stm32f10x_dac.crf
.........\...\stm32f10x_dac.d
.........\...\stm32f10x_dac.o
.........\...\stm32f10x_dbgmcu.crf
.........\...\stm32f10x_dbgmcu.d
.........\...\stm32f10x_dbgmcu.o
.........\...\stm32f10x_dma.crf
.........\...\stm32f10x_dma.d
.........\...\stm32f10x_dma.o
.........\...\stm32f10x_exti.crf
.........\...\stm32f10x_exti.d
.........\...\stm32f10x_exti.o
.........\...\stm32f10x_flash.crf
.........\...\stm32f10x_flash.d
.........\...\stm32f10x_flash.o
.........\...\stm32f10x_fsmc.crf
.........\...\stm32f10x_fsmc.d
.........\...\stm32f10x_fsmc.o
.........\...\stm32f10x_gpio.crf
.........\...\stm32f10x_gpio.d
.........\...\stm32f10x_gpio.o
.........\...\stm32f10x_i2c.crf
.........\...\stm32f10x_i2c.d
.........\...\stm32f10x_i2c.o
.........\...\stm32f10x_it.crf
.........\...\stm32f10x_it.d
.........\...\stm32f10x_it.o
.........\...\stm32f10x_iwdg.crf
.........\...\stm32f10x_iwdg.d
.........\...\stm32f10x_iwdg.o
.........\...\stm32f10x_pwr.crf
.........\...\stm32f10x_pwr.d
.........\...\stm32f10x_pwr.o
.........\...\stm32f10x_rcc.crf
.........\...\stm32f10x_rcc.d
.........\...\stm32f10x_rcc.o

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