void?TIM1_PWMOut_Init(?u16?arr,?u16?psc,?u16?ccp?)
{
	GPIO_InitTypeDef?GPIO_InitStructure;
	TIM_OCInitTypeDef?TIM_OCInitStructure;
	TIM_TimeBaseInitTypeDef?TIM_TimeBaseInitStructure;
	
	RCC_APB2PeriphClockCmd(?RCC_APB2Periph_GPIOB?|?RCC_APB2Periph_TIM1?,?ENABLE?);

	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_14;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AF_PP;
	GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
	GPIO_Init(?GPIOB,?&GPIO_InitStructure?);
	
	TIM_TimeBaseInitStructure.TIM_Period?=?arr;	
	TIM_TimeBaseInitStructure.TIM_Prescaler?=?psc;	
	TIM_TimeBaseInitStructure.TIM_ClockDivision?=?TIM_CKD_DIV1;	
	TIM_TimeBaseInitStructure.TIM_CounterMode?=?TIM_CounterMode_Up;	
	TIM_TimeBaseInit(?TIM1,?&TIM_TimeBaseInitStructure);	

#if?(PWM_MODE?==?PWM_MODE1)
??TIM_OCInitStructure.TIM_OCMode?=?TIM_OCMode_PWM1;	
	
#elif?(PWM_MODE?==?PWM_MODE2)	
	TIM_OCInitStructure.TIM_OCMode?=?TIM_OCMode_Timing;	
	
#endif
	
	TIM_OCInitStructure.TIM_OutputState?=?TIM_OutputState_Enable;		
	TIM_OCInitStructure.TIM_Pulse?=?ccp;	
	//TIM_OCInitStructure.TIM_OCPolarity?=?TIM_OCPolarity_High;
	TIM_OCInitStructure.TIM_OCNPolarity?=?TIM_OCPolarity_High;
	TIM_OCInitStructure.TIM_OCNIdleState?=?TIM_OCNIdleState_Reset;	
	TIM_OC2Init(?TIM1,?&TIM_OCInitStructure?);??

	TIM_CtrlPWMOutputs(TIM1,?ENABLE?);

	TIM_OC2PreloadConfig(?TIM1,?TIM_OCPreload_Disable?);
	TIM_ARRPreloadConfig(?TIM1,?ENABLE?);		
	TIM_Cmd(?TIM1,?ENABLE?);
}

您好，若你只需要CH2N輸出波形，在進行TIM初始化配置的時候也需要對原輸出通道進行配置，不能只對互補通道進行配置，具體程序可見附件參考例程。

CH32F10x.zip