配置互补通道输出就行了
timer_ocintpara.outputstate = TIMER_CCX_DISABLE;
timer_ocintpara.outputnstate = TIMER_CCXN_ENABLE; //使能互补通道输出
timer_ocintpara.ocpolarity = TIMER_OC_POLARITY_HIGH;
timer_ocintpara.ocnpolarity = TIMER_OCN_POLARITY_HIGH;
timer_ocintpara.ocidlestate = TIMER_OC_IDLE_STATE_LOW;
timer_ocintpara.ocnidlestate = TIMER_OCN_IDLE_STATE_LOW;
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