stm32 SCM fft fast Fourier transform algorithm, debugging through, you can do spectrum display.

fft_stm32\CORE\core_cm3.c
.........\....\core_cm3.h
.........\....\startup_stm32f10x_hd.s
.........\HARDWARE\LED\led.c
.........\........\...\led.h
.........\keilkilll.bat
.........\OBJ\core_cm3.crf
.........\...\core_cm3.d
.........\...\core_cm3.o
.........\...\delay.crf
.........\...\delay.d
.........\...\delay.o
.........\...\main.crf
.........\...\main.d
.........\...\main.o
.........\...\misc.crf
.........\...\misc.d
.........\...\misc.o
.........\...\misc.__i
.........\...\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
.........\...\stm32f10x_rtc.crf
.........\...\stm32f10x_rtc.d
.........\...\stm32f10x_rtc.o
.........\...\stm32f10x_sdio.crf
.........\...\stm32f10x_sdio.d
.........\...\stm32f10x_sdio.o
.........\...\stm32f10x_spi.crf
.........\...\stm32f10x_spi.d
.........\...\stm32f10x_spi.o
.........\...\stm32f10x_tim.crf
.........\...\stm32f10x_tim.d
.........\...\stm32f10x_tim.o
.........\...\stm32f10x_usart.crf
.........\...\stm32f10x_usart.d
.........\...\stm32f10x_usart.o
.........\...\stm32f10x_wwdg.crf
.........\...\stm32f10x_wwdg.d
.........\...\stm32f10x_wwdg.o
.........\...\sys.crf
.........\...\sys.d
.........\...\sys.o
.........\...\system_stm32f10x.crf
.........\...\system_stm32f10x.d
.........\...\system_stm32f10x.o
.........\...\Template.axf
.........\...\Template.hex
.........\...\Template.htm
.........\...\Template.lnp

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