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STM32F4xx_Buzzer_Example

用PWM实现,STM32F4的有源蜂鸣器驱动。

开发环境

  • 适用芯片:STM32F4全部芯片
  • 固件库:STM32F4xx_DSP_StdPeriph_Lib_V1.8.0
  • IDE:MDK517

API

  • void Buzzer_SetState(BuzzerState state)
  • BuzzerState Buzzer_GetState(void)

注意

修改接口需要注意,蜂鸣器的驱动方式和使用的TIM。对应修改PWM输出电平和TIM时钟配置函数。

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STM32F4 的有源蜂鸣器驱动

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