The PWM works STM32F103 file, the program can produce different duty cycle square wave, let' s call buzzer

PWM\main.c
...\note.txt
...\RAM.ini
...\readme.txt
...\stm32f10x_it.c
...\stm32f10x_vector.s
...\Obj\ExtDll.iex
...\...\STM3210E-EVAL.htm
...\...\STM3210B-EVAL.htm
...\...\STM3210B-EVAL.sct
...\...\STM3210B-EVAL.plg
...\...\stm32f10x_it.d
...\...\main.d
...\...\main.o
...\...\stm32f10x_vector.o
...\...\STM3210B-EVAL.tra
...\...\STM3210B-EVAL.lnp
...\...\STM3210B-EVAL.axf
...\...\STM3210E-EVAL.plg
...\...\stm32f10x_it.crf
...\...\stm32f10x_it.o
...\...\main.crf
...\...\STM3210E-EVAL.tra
...\...\STM3210E-EVAL_sct.Bak
...\...\STM3210E-EVAL.lnp
...\...\STM3210E-EVAL.hex
...\...\STM3210E-EVAL.axf
...\...\STM3210E-EVAL.sct
...\...\stm32f10x_gpio.d
...\...\stm32f10x_gpio.crf
...\...\stm32f10x_gpio.o
...\...\stm32f10x_tim.d
...\...\stm32f10x_tim.crf
...\...\stm32f10x_tim.o
...\...\stm32f10x_rcc.d
...\...\stm32f10x_rcc.crf
...\...\stm32f10x_rcc.o
...\...\stm32f10x_nvic.d
...\...\stm32f10x_nvic.crf
...\...\stm32f10x_nvic.o
...\...\stm32f10x_lib.d
...\...\stm32f10x_lib.crf
...\...\stm32f10x_lib.o
...\...\stm32f10x_flash.d
...\...\stm32f10x_flash.crf
...\...\stm32f10x_flash.o
...\...\cortexm3_macro.o
...\Lst\STM3210E-EVAL.map
...\...\STM3210B-EVAL.map
...\...\stm32f10x_vector.lst
...\...\cortexm3_macro.lst
...\Project_FLASH.dep
...\Project.Uv2.bak
...\Project_uvopt.bak
...\Project_RAM.dep
...\sourse_insight\pwm.IMB
...\..............\pwm.IMD
...\..............\pwm.IAB
...\..............\pwm.IAD
...\..............\pwm.PR
...\..............\pwm.PS
...\..............\pwm.PFI
...\..............\pwm.PO
...\..............\pwm.PRI
...\..............\pwm.WK3
...\JLinkLog.txt
...\Project_uvproj.bak
...\Project.uvproj
...\Project.uvopt
...\Obj
...\Lst
...\sourse_insight
PWM

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