你好我好大家好！ 发表于 2015-7-31 17:14
查看手册就好了
看库函数使用手册，还是数据手册
数据手册
小蚂蚁快溜跑 发表于 2015-7-31 17:01
GPIOA的时钟使能了，TIM3的中断初始化是说中断优先级的初始化吗/
NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDefTIM_TimeBaseStructure;
TIM_ICInitTypeDef TIM_ICInitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB,ENABLE);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_TIM4);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_TIM4);
GPIO_StructInit(&GPIO_InitStructure);
/* Configure PB.06,07 as encoder input */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
TIM_DeInit(X_ENCODER_TIMER);
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_TimeBaseStructure.TIM_Prescaler = 0x0;
TIM_TimeBaseStructure.TIM_Period = 40000-1;
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(X_ENCODER_TIMER, &TIM_TimeBaseStructure);
TIM_EncoderInterfaceConfig(X_ENCODER_TIMER, TIM_EncoderMode_TI12,TIM_ICPolarity_Rising, TIM_ICPolarity_Rising);
TIM_ICStructInit(&TIM_ICInitStructure);
TIM_ICInitStructure.TIM_ICFilter = X_ICx_FILTER;
TIM_ICInit(X_ENCODER_TIMER, &TIM_ICInitStructure);
// Clear all pending interrupts
TIM_ClearFlag(X_ENCODER_TIMER, TIM_FLAG_Update);
TIM_ITConfig(X_ENCODER_TIMER, TIM_IT_Update, ENABLE);
X_ENCODER_TIMER->SR = 0xfffe;
TIM_Cmd(X_ENCODER_TIMER, ENABLE);
小蚂蚁快溜跑 发表于 2015-7-31 17:01
GPIOA的时钟使能了，TIM3的中断初始化是说中断优先级的初始化吗/
我说我只能帮你到这了。
yanhaijian 发表于 2015-8-3 10:36
我说我只能帮你到这了。
真的非常感谢~