Getting Started with Timer

void TIM1_Configuration (uint Period,uint Pulse)
{
 TIM_TimeBaseInitTypeDef    TIM_TimeBaseStructure;
 TIM_OCInitTypeDef     TIM_OCInitStructure;
 TIM_BDTRInitTypeDef   TIM_BDTRInitStructure;

 RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);       //Enable the TIM1 port in the peripheral controlled by the APB2
 
 clockTIM_DeInit(TIM1);               //Reset all registers of timer
 
 1TIM_TimeBaseStructure.TIM_Prescaler = 0;          //Prescaler is 0, no frequency
 divisionTIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;   //Counting mode is sequential counting mode, increasing type
 //TIM_TimeBaseStructure.TIM_Period = 5625-1;         //Set the initial value of the counter after overflowTIM_TimeBaseStructure.TIM_Period   
 = Period-1;         //Set the initial value of the counter after overflowTIM_TimeBaseStructure.TIM_ClockDivision
 = 0;       //Configure the clock division
 valueTIM_TimeBaseStructure.TIM_RepetitionCounter = 0;      //Loop count value
 
 TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);      //Use the above parameters to initialize the timer time base module

 
 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 = Pulse;//127;
 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
 TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;
 TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
 TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;
 
 TIM_OC1Init(TIM1, &TIM_OCInitStructure);
 
 
 TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable;
 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable;
 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1;
 TIM_BDTRInitStructure.TIM_DeadTime = 5;
 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Disable;
 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High;
 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Disable;
 
 TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure);
 
 //清中断
 TIM_ClearFlag(TIM1, TIM_FLAG_Update);
 TIM_ClearFlag(TIM2, TIM_FLAG_Update);
 
 //TIM1中断源设置，开启相应通道的捕捉比较中断 
 
 
 
 TIM_Cmd(TIM1, ENABLE);  //使能定时器1
 
 
 
 TIM_CtrlPWMOutputs(TIM1, ENABLE);//使能定时器1的PWM输出

}

void TIM2_Configuration (uint Period)
{
 TIM_TimeBaseInitTypeDef     TIM_TimeBaseStructure;
 RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);     //Initialize the timer time base module with the above parameters
  
 TIM_DeInit(TIM2);               //Reset all registers of timer 1
 
 TIM_TimeBaseStructure.TIM_Prescaler = 0;          //Prescaler is 0, no frequency division
 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;   //Counting mode is sequential counting mode, increasing type
 //TIM_TimeBaseStructure.TIM_Period = 5625-1;         //Set the initial value of the counter after overflow   
 TIM_TimeBaseStructure.TIM_Period = Period-1;         //Set the initial value of the counter after overflow
 TIM_TimeBaseStructure.TIM_ClockDivision = 0;       //Configure the clock separation value
 TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;      //Cycle count value
 
 TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);  
 //Clear interrupt
 TIM_ClearFlag(TIM2, TIM_FLAG_Update);
 
 //Set TIM1 interrupt source, enable capture comparison interrupt of corresponding channel
  TIM_ITConfig(   //Enable or disable the specified TIM interrupt
  TIM2, //TIM2
  TIM_IT_Update   |   //TIM interrupt source
  TIM_IT_Trigger,    //TIM trigger interrupt source
  ENABLE   //Enable
  );

 TIM_Cmd(TIM2, ENABLE);   //Enable timer 1

}

void NVIC_Configuration(void)
{   
 NVIC_InitTypeDef NVIC_InitStructure;

 #ifdef   VECT_TAB_RAM              //Interrupt vector table storage location selection
  
   NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);       //The interrupt vector table is stored in RAM 0x00
 #else 
  
   NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);        //The interrupt vector table is stored in FLASH 0x00
 #endif

 //Interrupt NVIC settings: enable interrupts, set priority //Interrupt vector settings 
 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);      //Set priority grouping: preempt priority 2, sub priority 2
 NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;      //Update events
 NVIC_InitStructure.NVIC_IRQChannelPreemptionPrio rity = 0;   //Preempt priority 0
 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;     //Response priority 1
 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;      //Enable interrupts
 NVIC_Init(&NVIC_InitStructure);          //Write settings
  
}