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×÷Õß: sssssda    •r(sh¨ª)ég: 2021-9-23 10:52
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×÷Õß: sssssda    •r(sh¨ª)ég: 2021-9-23 10:54
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×÷Õß: shumivan    •r(sh¨ª)ég: 2021-9-23 16:45
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×÷Õß: lkc8210    •r(sh¨ª)ég: 2021-9-23 16:57
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×÷Õß: shumivan    •r(sh¨ª)ég: 2021-9-23 16:59
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×÷Õß: sssssda    •r(sh¨ª)ég: 2021-9-23 19:15
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×÷Õß: shumivan    •r(sh¨ª)ég: 2021-9-24 08:43
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GPIO_InitTypeDef  GPIO_InitStructure;
        TIM_TimeBaseInitTypeDef TIM_TimBaseStructure;
        TIM_ICInitTypeDef TIM_ICInitStructure;
       
       
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);       
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,ENABLE);
       
        GPIO_PinRemapConfig(GPIO_PartialRemap_TIM3 ,ENABLE );                //ÖØÓ³ÉäÏà‘ª(y¨©ng)µÄÍâÔO(sh¨¨)
       
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
        GPIO_Init(GPIOB, &GPIO_InitStructure);
       
        TIM_TimeBaseStructInit(&TIM_TimBaseStructure);
        TIM_TimBaseStructure.TIM_Prescaler = 0x0;
        TIM_TimBaseStructure.TIM_Period = 2400;
        TIM_TimBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
        TIM_TimBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
       
        TIM_TimeBaseInit(TIM3,&TIM_TimBaseStructure);
       
        TIM_EncoderInterfaceConfig(TIM3,TIM_EncoderMode_TI12,TIM_ICPolarity_Rising,TIM_ICPolarity_Rising);
       
        TIM_ICStructInit(&TIM_ICInitStructure);
        TIM_ICInitStructure.TIM_ICFilter = 0;
        TIM_ICInit(TIM3,&TIM_ICInitStructure);
       
        TIM_ClearFlag(TIM3,TIM_FLAG_Update);
        TIM_SetCounter(TIM3,0);
        TIM_Cmd(TIM3,ENABLE);

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×÷Õß: 946248446    •r(sh¨ª)ég: 2021-10-14 14:13
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