stm32f407多个定时器产生PWM（TIM1、TIM4、TIM9）

#include "pwm.h"

u16 Right_Forward = 100;  
 
// PB7    TIM4_CH2

void TIM42_PWM_Init(u32 arr,u32 psc , u32 CCR2_Val )
{  

GPIO_InitTypeDef GPIO_InitStructure;   
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
TIM_OCInitTypeDef  TIM_OCInitStructure;     


RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);

GPIO_PinAFConfig(GPIOB,GPIO_PinSource7,GPIO_AF_TIM4); //GPIOB7

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 ;   //GPIOB7 
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;        
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;   
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;       
GPIO_Init(GPIOB,&GPIO_InitStructure);              //PB7,PB6



RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,ENABLE);  


TIM_TimeBaseStructure.TIM_Prescaler=psc; 
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; 
TIM_TimeBaseStructure.TIM_Period=arr;  
TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1; 
TIM_TimeBaseInit(TIM4,&TIM_TimeBaseStructure);


TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; 
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;



TIM_OCInitStructure.TIM_Pulse = CCR2_Val;// channel 2
TIM_OC2Init(TIM4, &TIM_OCInitStructure); 
TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); 



  TIM_ARRPreloadConfig(TIM4,ENABLE);//ARPEʹÄÜ 

TIM_Cmd(TIM4, ENABLE);  //ʹÄÜTIM4
   
}  


void TIM41_PWM_Init(u32 arr,u32 psc , u32 CCR1_Val )
{  

GPIO_InitTypeDef GPIO_InitStructure;   
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
TIM_OCInitTypeDef  TIM_OCInitStructure;    


RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);

GPIO_PinAFConfig(GPIOB,GPIO_PinSource6,GPIO_AF_TIM4); 

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 ;   
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;     
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;     
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;       
GPIO_Init(GPIOB,&GPIO_InitStructure);              


RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,ENABLE);  


TIM_TimeBaseStructure.TIM_Prescaler=psc;  
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; 
TIM_TimeBaseStructure.TIM_Period=arr;  
TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1; 
TIM_TimeBaseInit(TIM4,&TIM_TimeBaseStructure);

  
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; 
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; 



TIM_OCInitStructure.TIM_Pulse = CCR1_Val;
TIM_OC1Init(TIM4, &TIM_OCInitStructure);  
TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); 



  TIM_ARRPreloadConfig(TIM4,ENABLE);

TIM_Cmd(TIM4, ENABLE);  
   
}  


void TIM11_PWM_Init(u32 arr,u32 psc , u32 CCR1_Val )
{  

GPIO_InitTypeDef GPIO_InitStructure;   
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
TIM_OCInitTypeDef  TIM_OCInitStructure;     



RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);  


GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1); 


GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 ;   
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;        
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;     
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;       
GPIO_Init(GPIOA,&GPIO_InitStructure);              




TIM_TimeBaseStructure.TIM_Prescaler=psc;  
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; 
TIM_TimeBaseStructure.TIM_Period=arr;   
TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1; 
TIM_TimeBaseInit(TIM1,&TIM_TimeBaseStructure);


TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; 
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; 


TIM_OCInitStructure.TIM_Pulse = CCR1_Val;// channel 1
TIM_OC1Init(TIM1, &TIM_OCInitStructure);  
TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable); 
 
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;


  TIM_ARRPreloadConfig(TIM1,ENABLE);

TIM_Cmd(TIM1, ENABLE);  //ʹÄÜTIM4
  TIM_CtrlPWMOutputs(TIM1, ENABLE);
}  


void TIM92_PWM_Init(u32 arr,u32 psc , u32 CCR2_Val )
{  

GPIO_InitTypeDef GPIO_InitStructure;   
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;  
TIM_OCInitTypeDef  TIM_OCInitStructure;    


RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);

RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM9,ENABLE);  

GPIO_PinAFConfig(GPIOE,GPIO_PinSource6,GPIO_AF_TIM9); 

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 ;   
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;        
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;    
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;        
GPIO_Init(GPIOE,&GPIO_InitStructure);             

 


TIM_TimeBaseStructure.TIM_Prescaler=psc;  
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; 
TIM_TimeBaseStructure.TIM_Period=arr;  
TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1; 
TIM_TimeBaseInit(TIM9,&TIM_TimeBaseStructure);


TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; 
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;



TIM_OCInitStructure.TIM_Pulse = CCR2_Val;
TIM_OC2Init(TIM9, &TIM_OCInitStructure); 
TIM_OC2PreloadConfig(TIM9, TIM_OCPreload_Enable);  


  TIM_ARRPreloadConfig(TIM9,ENABLE);//ARPEʹÄÜ 

TIM_Cmd(TIM9, ENABLE);  //ʹÄÜTIM4
   
}