STM32 TIM1 F1 四通道完全重映射PWM 配置

void TIM1_PWM_Init(u16 arr,u16 psc)
{  
	GPIO_InitTypeDef GPIO_InitStructure;
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
	TIM_OCInitTypeDef  TIM_OCInitStructure;

	RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);// 
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE , ENABLE);  
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);                                                                    	
    GPIO_PinRemapConfig(GPIO_FullRemap_TIM1,ENABLE);                                                                  	  
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14; //TIM1_CH3
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOE, &GPIO_InitStructure);
	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; //TIM1_CH4
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOE, &GPIO_InitStructure);

	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; //TIM1_CH2
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; 
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOE, &GPIO_InitStructure);


	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOE, &GPIO_InitStructure);
    GPIO_ResetBits(GPIOE,GPIO_Pin_9);		

	
	TIM_TimeBaseStructure.TIM_Period = arr; 
	TIM_TimeBaseStructure.TIM_Prescaler =psc;  
	TIM_TimeBaseStructure.TIM_ClockDivision = 0; 
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
	TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); 
 
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; 
	TIM_OCInitStructure.TIM_Pulse = 0; 
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
	TIM_OC1Init(TIM1, &TIM_OCInitStructure);  
	
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; 
	TIM_OCInitStructure.TIM_Pulse = 0; 
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; 
	TIM_OC2Init(TIM1, &TIM_OCInitStructure);  
	
	
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; 
	TIM_OCInitStructure.TIM_Pulse = 0; 
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; 
	TIM_OC3Init(TIM1, &TIM_OCInitStructure);  
	
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; 
	TIM_OCInitStructure.TIM_Pulse = 0; 
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; 
	TIM_OC4Init(TIM1, &TIM_OCInitStructure);  
    TIM_CtrlPWMOutputs(TIM1,ENABLE);		

	TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);  	 
	TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable); 	 
	TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);  // 
	TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable);  //	 
	
	TIM_ARRPreloadConfig(TIM1, ENABLE); //
	
	TIM_Cmd(TIM1, ENABLE);  //
 
   
}