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@@ -54,7 +54,7 @@ void enc_intf_quadrature_init(u32 rate) {
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timer_icinitpara.icpolarity = TIMER_IC_POLARITY_RISING;
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timer_icinitpara.icselection = TIMER_IC_SELECTION_DIRECTTI;
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timer_icinitpara.icprescaler = TIMER_IC_PSC_DIV1;
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- timer_icinitpara.icfilter = 0x0;
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+ timer_icinitpara.icfilter = 0x4;//采样频率120M, 这个必须要加入滤波，否则AB的计数可能不对
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timer_input_capture_config(timer,TIMER_CH_0,&timer_icinitpara);
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timer_icinitpara.icpolarity = TIMER_IC_POLARITY_RISING;
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huhui