I use a timer done stm32 buzzer play music, good results, give those interested in embedded insiders.Thank you, we can cooperate.

stm32_project_定时器蜂鸣器放音乐\inc\systick.h
................................\...\time.h
................................\...\usart.h
................................\library\cmsis\core_cm3.c
................................\.......\.....\core_cm3.h
................................\.......\fwlib\inc\misc.h
................................\.......\.....\...\stm32f10x_adc.h
................................\.......\.....\...\stm32f10x_bkp.h
................................\.......\.....\...\stm32f10x_can.h
................................\.......\.....\...\stm32f10x_cec.h
................................\.......\.....\...\stm32f10x_crc.h
................................\.......\.....\...\stm32f10x_dac.h
................................\.......\.....\...\stm32f10x_dbgmcu.h
................................\.......\.....\...\stm32f10x_dma.h
................................\.......\.....\...\stm32f10x_exti.h
................................\.......\.....\...\stm32f10x_flash.h
................................\.......\.....\...\stm32f10x_fsmc.h
................................\.......\.....\...\stm32f10x_gpio.h
................................\.......\.....\...\stm32f10x_i2c.h
................................\.......\.....\...\stm32f10x_iwdg.h
................................\.......\.....\...\stm32f10x_pwr.h
................................\.......\.....\...\stm32f10x_rcc.h
................................\.......\.....\...\stm32f10x_rtc.h
................................\.......\.....\...\stm32f10x_sdio.h
................................\.......\.....\...\stm32f10x_spi.h
................................\.......\.....\...\stm32f10x_tim.h
................................\.......\.....\...\stm32f10x_usart.h
................................\.......\.....\...\stm32f10x_wwdg.h
................................\.......\.....\src\misc.c
................................\.......\.....\...\stm32f10x_adc.c
................................\.......\.....\...\stm32f10x_bkp.c
................................\.......\.....\...\stm32f10x_can.c
................................\.......\.....\...\stm32f10x_cec.c
................................\.......\.....\...\stm32f10x_crc.c
................................\.......\.....\...\stm32f10x_dac.c
................................\.......\.....\...\stm32f10x_dbgmcu.c
................................\.......\.....\...\stm32f10x_dma.c
................................\.......\.....\...\stm32f10x_exti.c
................................\.......\.....\...\stm32f10x_flash.c
................................\.......\.....\...\stm32f10x_fsmc.c
................................\.......\.....\...\stm32f10x_gpio.c
................................\.......\.....\...\stm32f10x_i2c.c
................................\.......\.....\...\stm32f10x_iwdg.c
................................\.......\.....\...\stm32f10x_pwr.c
................................\.......\.....\...\stm32f10x_rcc.c
................................\.......\.....\...\stm32f10x_rtc.c
................................\.......\.....\...\stm32f10x_sdio.c
................................\.......\.....\...\stm32f10x_spi.c
................................\.......\.....\...\stm32f10x_tim.c
................................\.......\.....\...\stm32f10x_usart.c
................................\.......\.....\...\stm32f10x_wwdg.c
................................\..st\startup_stm32f10x_hd.lst
................................\....\stm32_project_xxx.map
................................\obj\core_cm3.crf
................................\...\core_cm3.d
................................\...\core_cm3.o
................................\...\ExtDll.iex
................................\...\exti.crf
................................\...\exti.d
................................\...\exti.o
................................\...\key.crf
................................\...\key.d
................................\...\key.o
................................\...\led.crf
................................\...\led.d
................................\...\led.o
................................\...\

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