如題 求解
- void Coder_Configure1()
- {
- GPIO_InitTypeDef GPIO_InitStructure;
- TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
- TIM_ICInitTypeDef TIM_ICInitStructure;
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_TIM1,ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_InitStructure.GPIO_Speed= GPIO_Speed_50MHz;
- GPIO_Init(GPIOB,&GPIO_InitStructure);
-
- TIM_DeInit(TIM1);
- TIM_TimeBaseInitStructure.TIM_Period = 0XFF; //Tout= ((arr+1)*(psc+1))/Tclk
- TIM_TimeBaseInitStructure.TIM_Prescaler = 0;TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 1;
- TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure);
-
- TIM_EncoderInterfaceConfig(TIM1, TIM_EncoderMode_TI12,
- TIM_ICPolarity_Rising,
- TIM_ICPolarity_Rising);
- TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;
- TIM_ICStructInit(&TIM_ICInitStructure);
-
-
- TIM_ICInitStructure.TIM_Channel = TIM_Channel_2;
- TIM_ICStructInit(&TIM_ICInitStructure);
-
- TIM_SetCounter(TIM1, 0);
- TIM_Cmd(TIM1,ENABLE);
- }
-
- void Coder_Configure4()
- {
- GPIO_InitTypeDef GPIO_InitStructure;
- TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
- TIM_ICInitTypeDef TIM_ICInitStructure;
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,ENABLE);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_InitStructure.GPIO_Speed= GPIO_Speed_50MHz;
- GPIO_Init(GPIOB,&GPIO_InitStructure);
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