銆�銆�涓嬮潰鏄(di脿o)瑭K鐨勪唬纰硷細
銆�銆�void Encoder_Configration(void)
銆�銆�{
銆�銆�GPIO_InitTypeDef GPIO_InitStructure;
銆�銆�TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
銆�銆�TIM_ICInitTypeDef TIM_ICInitStructure;
銆�銆�//PC6 A鐩� PC7 B鐩�
銆�銆�GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
銆�銆�GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
銆�銆�GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
銆�銆�GPIO_Init(GPIOC,&GPIO_InitStructure);
銆�銆�/* Enable the TIM3 Update Interrupt */
銆�銆�/*NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQChannel;
銆�銆�NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = TIMx_PRE_EMPTION_PRIORITY;
銆�銆�NVIC_InitStructure.NVIC_IRQChannelSubPriority = TIMx_SUB_PRIORITY;
銆�銆�NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
銆�銆�NVIC_Init(&NVIC_InitStructure);*/
銆�銆�/* Timer configuration in Encoder mode */
銆�銆�TIM_TimeBaseStructure.TIM_Prescaler = 0x0; // No prescaling
銆�銆�TIM_TimeBaseStructure.TIM_Period = 10000;
銆�銆�TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
銆�銆�TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
銆�銆�TIM_TimeBaseInit(TIM8, &TIM_TimeBaseStructure);
銆�銆�TIM_EncoderInterfaceConfig(TIM8, TIM_EncoderMode_TI12,
銆�銆�TIM_ICPolarity_Rising, TIM_ICPolarity_Rising);
銆�銆�TIM_ICStructInit(&TIM_ICInitStructure);
銆�銆�TIM_ICInitStructure.TIM_ICFilter = 6;//ICx_FILTER;
銆�銆�TIM_ICInit(TIM8, &TIM_ICInitStructure);
銆�銆�// Clear all pending interrupts
銆�銆�TIM_ClearFlag(TIM8, TIM_FLAG_Update);
銆�銆�TIM_ITConfig(TIM8, TIM_IT_Update, ENABLE);
銆�銆�//Reset counter
銆�銆�TIM2->CNT = 0;
銆�銆�TIM_Cmd(TIM8, ENABLE);
銆�銆�}
銆�銆�n_Counter = TIM_GetCounter(TIM8);
銆�銆�Diled_Disp_Num((float)n_Counter);
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銆�銆�void TIM3_ETR_GetDropCounts_Configuration(void)
銆�銆�{
銆�銆�GPIO_InitTypeDef GPIO_InitStructure;
銆�銆�TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
銆�銆�//test PA0 TIM8_ETR
銆�銆�GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
銆�銆�GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;;
銆�銆�GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
銆�銆�GPIO_Init(GPIOD, &GPIO_InitStructure);
銆�銆�TIM_TimeBaseStructure.TIM_Prescaler = 0x00;
銆�銆�TIM_TimeBaseStructure.TIM_Period = 0xFFFF;
銆�銆�TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
銆�銆�TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
銆�銆�TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); // Time base configuration
銆�銆�TIM_ETRClockMode2Config(TIM3, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_NonInverted, 0);
銆�銆�TIM_SetCounter(TIM3, 0);
銆�銆�TIM_Cmd(TIM3, ENABLE);
銆�銆�}
