STM32 TIM1 HALL模式

void PwmIgbtInit(void)

{

        uint16_t temp = 0;

        uint16_t a = 0;

        RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 | RCC_APB2Periph_GPIOA |

                             RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE);

        PwmIgbtGpioInit();

        /* TIM1 Configuration ---------------------------------------------------

        Generates 7 PWM signals with 4 different duty cycles:

        TIM1CLK = 72 MHz, Prescaler = 0, TIM1 counter clock = 72 MHz

        TIM1 frequency = TIM1CLK/(TIM1_Period + 1) = 17.57 KHz

        - TIM1 Channel1 & Channel1N duty cycle = TIM1->CCR1 / (TIM1_Period + 1) = 50% 

        - TIM1 Channel2 & Channel2N duty cycle = TIM1->CCR2 / (TIM1_Period + 1) = 37.5% 

        - TIM1 Channel3 & Channel3N duty cycle = TIM1->CCR3 / (TIM1_Period + 1) = 25%

        - TIM1 Channel4 duty cycle = TIM1->CCR4 / (TIM1_Period + 1) = 12.5% 

        ----------------------------------------------------------------------- */

        

        /* Time Base configuration */

        TIM_TimeBaseStructure.TIM_Prescaler = 4 - 1;

        TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;

        TIM_TimeBaseStructure.TIM_Period = 1000 - 1;

        TIM_TimeBaseStructure.TIM_ClockDivision = 0;

        TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;

        

        TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);

        

        /* Channel 1, 2,3 and 4 Configuration in PWM mode */

        TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;

        TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;

        TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;

        TIM_OCInitStructure.TIM_Pulse = 1000;

        TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;

        TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low;

        TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;

        TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Set;

        

        TIM_OC1Init(TIM1, &TIM_OCInitStructure);

        

        TIM_OCInitStructure.TIM_Pulse = 500;

        TIM_OC2Init(TIM1, &TIM_OCInitStructure);

        

        TIM_OCInitStructure.TIM_Pulse = 500;

        TIM_OC3Init(TIM1, &TIM_OCInitStructure);

        

//        TIM_OCInitStructure.TIM_Pulse = CCR4_Val;

//        TIM_OC4Init(TIM1, &TIM_OCInitStructure);

        

        

        TIM1_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable;

        TIM1_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable;

        TIM1_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; 

        TIM1_BDTRInitStructure.TIM_DeadTime = 0xa0;        /* 3.55us */

        TIM1_BDTRInitStructure.TIM_Break = TIM_Break_Disable;

        TIM1_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High;

        TIM1_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable;

        TIM_BDTRConfig(TIM1,&TIM1_BDTRInitStructure);



        TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable);  //使能捕获比较寄存器预装载（通道1）

        

        TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable);         //使能捕获比较寄存器预装载（通道2）

        

        TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable);         //使能捕获比较寄存器预装载（通道3）



        TIM_SelectInputTrigger(TIM1, TIM_TS_ITR2);        //输入触发源选择TIM3   



        TIM_CtrlPWMOutputs(TIM1, ENABLE);

        TIM_ClearITPendingBit( TIM1, TIM_IT_COM);

        TIM_ITConfig(TIM1, TIM_IT_COM ,ENABLE);



        /* TIM1 counter enable */

        TIM_Cmd(TIM1, ENABLE);

        /* TIM1 Main Output Enable */

   TIM1->SMCR|=0x0006;        //开TIM1的输入触发        

   TIM1->DIER=0x0040;         //开TIM1的触发中断

//        TIM1->CCER &= ~(1<<9);  //OC3高极性

//        TIM1->CCER &= ~(1<<11);  //OC3N高极性

//

//        TIM1->CCER &= ~(1<<1);  //OC1高极性

//        TIM1->CCER &= ~(1<<3);  //OC1N高极性

//

//        TIM1->CCER &= ~(1<<5);  //OC2高极性

//        TIM1->CCER &= ~(1<<7);  //OC2N高极性

//

//        TIM1->CCR1 = 1000; 

//        TIM1->CCR2 = 1000; 

//        TIM1->CCR3 = 1000; 

//        temp = 500;

//        while(temp)

//        {

//                for(a=50;a>0;a--);

//                temp --;

//        }

}



void BldcHallTimeInit(void)

{

        TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;                           //基本结构体变量定义

        TIM_ICInitTypeDef TIM_ICInitStructure;                      //定义结构体变量

        TIM_OCInitTypeDef  TIM_OCInitStructure;                     //输出结构体变量定义

        BldcGpioInit();   

        TIM_DeInit(TIM3);

        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);

        TIM_TimeBaseStructure.TIM_Prescaler = 71;                                   //TIM基本初始化

        TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;

        TIM_TimeBaseStructure.TIM_Period =65535;

        TIM_TimeBaseStructure.TIM_ClockDivision = 0;

        TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;

        

        TIM_TimeBaseInit(TIM3,&TIM_TimeBaseStructure);     

          

        TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;            //选择通道1

        TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising; //输入上升沿捕获  

        TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_TRC;  //配置通道为输入，并映射到哪里

        TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;       //输入捕获预分频值

        TIM_ICInitStructure.TIM_ICFilter = 10;                      //输入滤波器带宽设置

        

        TIM_ICInit(TIM3, &TIM_ICInitStructure);                     //输入通道配置

        

        TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;                     //TIM输出通道初始化

        TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;             

        TIM_OCInitStructure.TIM_Pulse =1023; 

        TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;      

        

        TIM_OC2Init(TIM3,&TIM_OCInitStructure);

        

        TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing;                     //TIM输出通道初始化

        TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable;             

        TIM_OCInitStructure.TIM_Pulse =65535; 

        TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;      

        

        TIM_OC4Init(TIM3,&TIM_OCInitStructure);

        

        TIM_SelectHallSensor(TIM3,ENABLE);                          //使能TIMx的霍尔传感器接口

         TIM_SelectInputTrigger(TIM3, TIM_TS_TI1F_ED);               //输入触发源选择   

        

        TIM_SelectSlaveMode(TIM3, TIM_SlaveMode_Reset);             //从模式选择

        

        TIM_SelectMasterSlaveMode(TIM3, TIM_MasterSlaveMode_Enable);//主从模式选择        

        

        TIM_SelectOutputTrigger(TIM3, TIM_TRGOSource_OC2Ref);       //选择输出触发模式(TRGO端)

        



        TIM_ITConfig(TIM3, TIM_IT_Trigger|TIM_IT_CC4, ENABLE);      //开定时器中断 





        TIM_Cmd(TIM3,ENABLE);



   TIM3->CR1|=0x0001;                  //开TIM3

   TIM3->DIER|=0x0050;                  //开TIM3中断  

}