Use the STM32F4 s TIM3 to generate the PWM output and use PWM1 channel 1 to generate a PWM to control the brightness of the DS0.

实验9 PWM输出实验\CORE\core_cm4.h
.................\....\core_cm4_simd.h
.................\....\startup_stm32f40_41xxx.s
.................\FWLIB\inc\misc.h
.................\.....\...\stm32f4xx_adc.h
.................\.....\...\stm32f4xx_can.h
.................\.....\...\stm32f4xx_crc.h
.................\.....\...\stm32f4xx_cryp.h
.................\.....\...\stm32f4xx_dac.h
.................\.....\...\stm32f4xx_dbgmcu.h
.................\.....\...\stm32f4xx_dcmi.h
.................\.....\...\stm32f4xx_dma.h
.................\.....\...\stm32f4xx_dma2d.h
.................\.....\...\stm32f4xx_exti.h
.................\.....\...\stm32f4xx_flash.h
.................\.....\...\stm32f4xx_flash_ramfunc.h
.................\.....\...\stm32f4xx_fmc.h
.................\.....\...\stm32f4xx_fsmc.h
.................\.....\...\stm32f4xx_gpio.h
.................\.....\...\stm32f4xx_hash.h
.................\.....\...\stm32f4xx_i2c.h
.................\.....\...\stm32f4xx_iwdg.h
.................\.....\...\stm32f4xx_ltdc.h
.................\.....\...\stm32f4xx_pwr.h
.................\.....\...\stm32f4xx_rcc.h
.................\.....\...\stm32f4xx_rng.h
.................\.....\...\stm32f4xx_rtc.h
.................\.....\...\stm32f4xx_sai.h
.................\.....\...\stm32f4xx_sdio.h
.................\.....\...\stm32f4xx_spi.h
.................\.....\...\stm32f4xx_syscfg.h
.................\.....\...\stm32f4xx_tim.h
.................\.....\...\stm32f4xx_usart.h
.................\.....\...\stm32f4xx_wwdg.h
.................\.....\src\misc.c
.................\.....\...\stm32f4xx_adc.c
.................\.....\...\stm32f4xx_can.c
.................\.....\...\stm32f4xx_crc.c
.................\.....\...\stm32f4xx_cryp.c
.................\.....\...\stm32f4xx_cryp_aes.c
.................\.....\...\stm32f4xx_cryp_des.c
.................\.....\...\stm32f4xx_cryp_tdes.c
.................\.....\...\stm32f4xx_dac.c
.................\.....\...\stm32f4xx_dbgmcu.c
.................\.....\...\stm32f4xx_dcmi.c
.................\.....\...\stm32f4xx_dma.c
.................\.....\...\stm32f4xx_dma2d.c
.................\.....\...\stm32f4xx_exti.c
.................\.....\...\stm32f4xx_flash.c
.................\.....\...\stm32f4xx_flash_ramfunc.c
.................\.....\...\stm32f4xx_fmc.c
.................\.....\...\stm32f4xx_fsmc.c
.................\.....\...\stm32f4xx_gpio.c
.................\.....\...\stm32f4xx_hash.c
.................\.....\...\stm32f4xx_hash_md5.c
.................\.....\...\stm32f4xx_hash_sha1.c
.................\.....\...\stm32f4xx_i2c.c
.................\.....\...\stm32f4xx_iwdg.c
.................\.....\...\stm32f4xx_ltdc.c
.................\.....\...\stm32f4xx_pwr.c
.................\.....\...\stm32f4xx_rcc.c
.................\.....\...\stm32f4xx_rng.c
.................\.....\...\stm32f4xx_rtc.c
.................\.....\...\stm32f4xx_sai.c
.................\.....\...\stm32f4xx_sdio.c
.................\.....\...\stm32f4xx_spi.c
.................\.....\...\stm32f4xx_syscfg.c
.................\.....\...\stm32f4xx_tim.c
.................\.....\...\stm32f4xx_usart.c
.................\.....\...\stm32f4xx_wwdg.c
.................\HARDWARE\LED\led.c
.................\........\...\led.h
.................\........\PWM\pwm.c
.................\........\...\pwm.h
.................\keilkilll.bat
.................\OBJ\delay.crf
.................\...\delay.d
.................\...\delay.o
.................\...\ExtDll.iex
.................\...\led.crf
.................\...\led.d
.................\...\led.o
.................\...\main.crf
.................\...\main.d
.................\...\main.o
.................\...\misc.crf
.................\...\misc.d
.................\...\misc.o
.................\...\PWM.axf
.................\...\PWM.build_log.htm
.................\...\pwm.crf
.................\...\pwm.d
.................\...\PWM.hex
.................\...\PWM.htm
.................\...\PWM.lnp
.................\...\PWM.map
.................\...\pwm.o
.................\...\PWM.sct
.................\...\startup_stm32f40_41xxx.d
.................\...\startu

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