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Setting Timer to 1ms

Question asked by kub.santy on Jun 3, 2014
Latest reply on Jun 5, 2014 by Clive One
Hi All,
     I am using STM32 F0 Discovery board with Raisonance IDE, I am with LED blink using TIM. I want to blink for every 1s but I dont know how to set the timer, Please tell me how the calculation is done for 1s and 1ms. And what should be the value of Prescalar value,TIM_Period n TIM_Prescaler. Right now I have put random values. Please guide me.
PrescalerValue = (uint16_t) (SystemCoreClock  /2400000 );
 /* Time base configuration */
  TIM_TimeBaseStructure.TIM_Period = 1000;
 TIM_TimeBaseStructure.TIM_Prescaler = 0;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Down;