In MO51 as a Master, the frequency of detection of music, printed out through the serial port

MO51 -MUSIC spectrum
....................\M051_UART_Demo
....................\..............\Common
....................\..............\......\AD.c
....................\..............\......\common.c
....................\..............\......\FFT.c
....................\..............\......\GPRS_Init.c
....................\..............\......\GSM_Receive.c
....................\..............\......\GSM_Send.c
....................\..............\......\M051_MFC.C
....................\..............\......\retarget.c
....................\..............\......\retarget.c.lin
....................\..............\......\startup_M051.s
....................\..............\......\time.c
....................\..............\......\UART.c
....................\..............\How to use UART_Demo.pdf
....................\..............\Include
....................\..............\.......\common.h
....................\..............\.......\fft.h
....................\..............\.......\GPRS_Init.h
....................\..............\.......\GSM_Receive.h
....................\..............\.......\GSM_Send.h
....................\..............\.......\M051.h
....................\..............\.......\M051_MFC.H
....................\..............\.......\Macro_ADC.h
....................\..............\.......\Macro_SPI.h
....................\..............\.......\Macro_SystemClock.h
....................\..............\.......\Macro_Timer.h
....................\..............\.......\Register_Bit.h
....................\..............\.......\retarget.h
....................\..............\.......\time.h
....................\..............\.......\UART.h
....................\..............\Listing
....................\..............\.......\startup_M051.lst
....................\..............\.......\UART.map
....................\..............\M051_UART_Demo
....................\..............\..............\Common
....................\..............\..............\......\common.c
....................\..............\..............\......\retarget.c
....................\..............\..............\......\retarget.c.lin
....................\..............\..............\......\startup_M051.s
....................\..............\..............\......\UART.c
....................\..............\..............\......\复件 retarget.c
....................\..............\..............\......\复件 retarget.c.lin
....................\..............\..............\How to use UART_Demo.pdf
....................\..............\..............\Include
....................\..............\..............\.......\common.h
....................\..............\..............\.......\M051.h
....................\..............\..............\.......\Macro_ADC.h
....................\..............\..............\.......\Macro_SPI.h
....................\..............\..............\.......\Macro_SystemClock.h
....................\..............\..............\.......\Macro_Timer.h
....................\..............\..............\.......\Register_Bit.h
....................\..............\..............\.......\retarget.h
....................\..............\..............\.......\UART.h
....................\..............\..............\Listing
....................\..............\..............\.......\startup_M051.lst
....................\..............\..............\.......\UART.map
....................\..............\..............\Nu_Link_Driver.ini
....................\..............\..............\Output
....................\..............\..............\......\common.crf
....................\..............\..............\......\common.d
....................\..............\..............\......\common.o
....................\..............\..............\......\ExtDll.iex
....................\..............\..............\......\retarget.crf
....................\..............\..............\......\retarget.d
....................\..............\..............\......\retarget.o
....................\..............\..............\......\startup_M05

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