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stm32-course/Examples/Timer_RotaryEncoder/Readme.md

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旋转编码器

  • 初始化外部晶振，配置SYSCLK与Timer Clock均为72MHz
  • 将PA8、PA9分别配置为TIM1_CH1、TIM1_CH2
  • 配置TIM1
    • 将Combined Channels配置为Encoder Mode
    • 可以配置Input Filter，启用集成滤波器，减少抖动，范围0~15
  • 配置USART2为Asynchronous
  • 启动编码器：HAL_TIM_Encoder_Start(&htim1, TIM_CHANNEL_ALL)