STM32F103ZET6【标准库函数开发】------09 高级定时器TIM1输出7个PWM，三对为互补PWM

只有高级定时器可以输出互补的PWM，所以只有TIM1和TIM8可以实现这个功能。
而TIM1又分为三种情况没有重映射、部分重映射、完全重映射


一、没有重映射


下面展示主要的time.c、main.c函数的代码

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);	  //使能定时器1时钟
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB , ENABLE);  //使能GPIO时钟

//GPIO配置
	//CH1 CH2 CH3 CH4	CH1N CH2N CH3N
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11; 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOA, &GPIO_InitStructure);

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15; 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOB, &GPIO_InitStructure);

//初始化TIM1
	TIM_TimeBaseStructure.TIM_Period = arr; //自动重装载值
	TIM_TimeBaseStructure.TIM_Prescaler =psc; //预分频值
	TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //设置时钟分割
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //向上计数
	TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); //初始化

//PWM参数设置
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //PWM模式2
 	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //正向通道使能
	TIM_OCInitStructure.TIM_OutputNState=TIM_OutputNState_Enable;//反向通道使能         	
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //正向输出极性
	TIM_OCInitStructure.TIM_OCNPolarity=TIM_OCNPolarity_Low;//反向的输出极性                 
	TIM_OCInitStructure.TIM_OCIdleState=TIM_OCIdleState_Reset;//正向空闲状态下的非工作状态下           
	TIM_OCInitStructure.TIM_OCNIdleState=TIM_OCNIdleState_Reset;//反向空闲状态下的非工作状态下
//使能，通道设置	
	TIM_Cmd(TIM1,ENABLE);//TIM1使能
	TIM_CtrlPWMOutputs(TIM1,ENABLE);//TIM1输出使能
	TIM_ARRPreloadConfig(TIM1, ENABLE);// 使能 TIM1 重载寄存器 ARR
 
	TIM_OC1Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC1                       
	TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM1在CCR1上的预装载寄存器 

	TIM_OC2Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2  	                       
	TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM2在CCR2上的预装载寄存器  

	TIM_OC3Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2 	                       
	TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM3在CCR3上的预装载寄存器 

	TIM_OC4Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2 	                       
	TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM4在CCR4上的预装载寄存器  	
}

#include "timer.h" 
 int main(void)
 {		
	delay_init();	    	 //延时函数初始化	  
	TIM1_PWM_Init(999,71);	 //不分频。PWM频率=72000000/1000/72=1Khz   周期为1ms
	 while(1)
	{					
		TIM_SetCompare1(TIM1,200);	  //占空比20%
		TIM_SetCompare2(TIM1,300);	  //占空比30%
		TIM_SetCompare3(TIM1,400);	  //占空比40%
		TIM_SetCompare4(TIM1,500);	  //占空比50%		
	}
 }

同上展示主要的time.c、main.c函数的代码

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|RCC_APB2Periph_AFIO, ENABLE);	  //使能定时器1时钟，使能AFIO时钟
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB , ENABLE);  //使能GPIO时钟	
	GPIO_PinRemapConfig(GPIO_PartialRemap_TIM1, ENABLE);//部分重映射使能
//GPIO配置
	//CH1 CH2 CH3 CH4	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11; 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOA, &GPIO_InitStructure);
	//CH1N CH2N CH3N
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1; 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOB, &GPIO_InitStructure);

	TIM_DeInit(TIM1);//TIM1复位
   //初始化TIM1
	TIM_TimeBaseStructure.TIM_Period = arr; //自动重装载值
	TIM_TimeBaseStructure.TIM_Prescaler =psc; //预分频值
	TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //设置时钟分割
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //向上计数
	TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); //初始化

//PWM参数设置
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //PWM模式2
 	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //正向通道使能
	TIM_OCInitStructure.TIM_OutputNState=TIM_OutputNState_Enable;//反向通道使能         	
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //正向输出极性
	TIM_OCInitStructure.TIM_OCNPolarity=TIM_OCNPolarity_Low;//反向的输出极性                 
	TIM_OCInitStructure.TIM_OCIdleState=TIM_OCIdleState_Reset;//正向空闲状态下的非工作状态下           
	TIM_OCInitStructure.TIM_OCNIdleState=TIM_OCNIdleState_Reset;//反向空闲状态下的非工作状态下
//使能，通道设置	
	TIM_Cmd(TIM1,ENABLE);//TIM1使能
	TIM_CtrlPWMOutputs(TIM1,ENABLE);//TIM1输出使能
	TIM_ARRPreloadConfig(TIM1, ENABLE);// 使能 TIM1 重载寄存器 ARR
 
	TIM_OC1Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC1                       
	TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM1在CCR1上的预装载寄存器 

	TIM_OC2Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2  	                       
	TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM2在CCR2上的预装载寄存器  

	TIM_OC3Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2 	                       
	TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM3在CCR3上的预装载寄存器 

	TIM_OC4Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2 	                       
	TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM4在CCR4上的预装载寄存器  	
}

#include "timer.h" 
 int main(void)
 {		
	delay_init();	    	 //延时函数初始化	  
	TIM1_PWM_Init(999,71);	 //不分频。PWM频率=72000000/1000/72=1Khz   周期为1ms
	 while(1)
	{					
		TIM_SetCompare1(TIM1,200);	  //占空比20%
		TIM_SetCompare2(TIM1,300);	  //占空比30%
		TIM_SetCompare3(TIM1,400);	  //占空比40%
		TIM_SetCompare4(TIM1,500);	  //占空比50%		
	}
 }

同上展示主要的time.c、main.c函数的代码

#include "timer.h"

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|RCC_APB2Periph_AFIO, ENABLE);	  //使能定时器1时钟，使能AFIO时钟
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE , ENABLE);  //使能GPIO时钟	
	GPIO_PinRemapConfig(GPIO_FullRemap_TIM1, ENABLE);//部分重映射使能
//GPIO配置
	//CH1 CH2 CH3 CH4	CH1N CH2N CH3N
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14; 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOE, &GPIO_InitStructure);

	TIM_DeInit(TIM1);//TIM1复位
   //初始化TIM1
	TIM_TimeBaseStructure.TIM_Period = arr; //自动重装载值
	TIM_TimeBaseStructure.TIM_Prescaler =psc; //预分频值
	TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //设置时钟分割
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //向上计数
	TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); //初始化

//PWM参数设置
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //PWM模式2
 	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //正向通道使能
	TIM_OCInitStructure.TIM_OutputNState=TIM_OutputNState_Enable;//反向通道使能         	
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //正向输出极性
	TIM_OCInitStructure.TIM_OCNPolarity=TIM_OCNPolarity_Low;//反向的输出极性                 
	TIM_OCInitStructure.TIM_OCIdleState=TIM_OCIdleState_Reset;//正向空闲状态下的非工作状态下           
	TIM_OCInitStructure.TIM_OCNIdleState=TIM_OCNIdleState_Reset;//反向空闲状态下的非工作状态下
//使能，通道设置	
	TIM_Cmd(TIM1,ENABLE);//TIM1使能
	TIM_CtrlPWMOutputs(TIM1,ENABLE);//TIM1输出使能
	TIM_ARRPreloadConfig(TIM1, ENABLE);// 使能 TIM1 重载寄存器 ARR
 
	TIM_OC1Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC1                       
	TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM1在CCR1上的预装载寄存器 

	TIM_OC2Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2  	                       
	TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM2在CCR2上的预装载寄存器  

	TIM_OC3Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2 	                       
	TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM3在CCR3上的预装载寄存器 

	TIM_OC4Init(TIM1,&TIM_OCInitStructure);//初始化外设TIM1 OC2 	                       
	TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable);  //使能TIM4在CCR4上的预装载寄存器  	
}

#include "timer.h" 
 int main(void)
 {		
	delay_init();	    	 //延时函数初始化	  
	TIM1_PWM_Init(999,71);	 //不分频。PWM频率=72000000/1000/72=1Khz   周期为1ms
	 while(1)
	{					
		TIM_SetCompare1(TIM1,200);	  //占空比20%
		TIM_SetCompare2(TIM1,300);	  //占空比30%
		TIM_SetCompare3(TIM1,400);	  //占空比40%
		TIM_SetCompare4(TIM1,500);	  //占空比50%		
	}
 }