朔州网站建设价格低,网站后台无法设置,城建道桥建设集团网站,义乌前十跨境电商公司Encoder Interface 编码器接口 编码器接口可接收增量#xff08;正交#xff09;编码器的信号#xff0c;根据编码器旋转产生的正交信号脉冲#xff0c;自动控制CNT自增或自减#xff0c;从而指示编码器的位置、旋转方向和旋转速度 每个高级定时器和通用定时器都拥有1个编…Encoder Interface 编码器接口 编码器接口可接收增量正交编码器的信号根据编码器旋转产生的正交信号脉冲自动控制CNT自增或自减从而指示编码器的位置、旋转方向和旋转速度 每个高级定时器和通用定时器都拥有1个编码器接口 两个输入引脚借用了输入捕获的通道1和通道2 void Encoder_Init(void)
{RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);GPIO_InitTypeDef GPIO_InitStruture;GPIO_InitStruture.GPIO_Mode GPIO_Mode_IPU;GPIO_InitStruture.GPIO_Pin GPIO_Pin_6 | GPIO_Pin_7;GPIO_InitStruture.GPIO_Speed GPIO_Speed_50MHz;GPIO_Init(GPIOA,GPIO_InitStruture);TIM_ICInitTypeDef TIM_ICInitStructure;TIM_ICStructInit(TIM_ICInitStructure);TIM_ICInitStructure.TIM_Channel TIM_Channel_1;TIM_ICInitStructure.TIM_ICFilter 0xF;TIM_ICInit(TIM3, TIM_ICInitStructure);TIM_ICInitStructure.TIM_Channel TIM_Channel_2;TIM_ICInitStructure.TIM_ICFilter 0xF;TIM_ICInit(TIM3, TIM_ICInitStructure);TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;TIM_TimeBaseStructInit(TIM_TimeBaseInitStructure);TIM_TimeBaseInitStructure.TIM_ClockDivision TIM_CKD_DIV1;
// TIM_TimeBaseInitStructure.TIM_CounterMode TIM_CounterMode_Up;TIM_TimeBaseInitStructure.TIM_Prescaler 1 - 1;TIM_TimeBaseInitStructure.TIM_Period 65536 - 1;TIM_TimeBaseInitStructure.TIM_RepetitionCounter 0;
// TIM_TimeBaseInit(TIM3, TIM_TimeBaseInitStructure);TIM_EncoderInterfaceConfig(TIM3, TIM_EncoderMode_TI12, TIM_ICPolarity_Rising, TIM_ICPolarity_Rising);TIM_Cmd(TIM3, ENABLE);
}int16_t Encoder_Get(void)
{int16_t temp TIM_GetCounter(TIM3);TIM_SetCounter(TIM3, 0);return temp;
} 用到了一点输入捕获的部分 TIM_ICInitTypeDef TIM_ICInitStructure;TIM_ICStructInit(TIM_ICInitStructure);TIM_ICInitStructure.TIM_Channel TIM_Channel_1;TIM_ICInitStructure.TIM_ICFilter 0xF;TIM_ICInit(TIM3, TIM_ICInitStructure);TIM_ICInitStructure.TIM_Channel TIM_Channel_2;TIM_ICInitStructure.TIM_ICFilter 0xF;TIM_ICInit(TIM3, TIM_ICInitStructure);
