STM32 HAL TMR

#include "1283_tmr2.h"

TIM_HandleTypeDef htim2;

void tmr2_init (void){

  htim2.Instance = TIM2;

  htim2.Init.Prescaler = 0x00FF;

  htim2.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim2.Init.Period = 0x00FF;

  htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

  //htim2.Init.RepetitionCounter = // only Timer 1 and 8

  //htim2.Channel = HAL_TIM_ACTIVE_CHANNEL_CLEARED;

  HAL_TIM_Base_Init(&htim2);

  HAL_TIM_Base_MspInit(&htim2);

  //HAL_TIM_Base_Start(&htim2);

  HAL_TIM_Base_Start_IT(&htim2);

  HAL_NVIC_SetPriority(TIM2_IRQn, 0, 1); 

  HAL_NVIC_EnableIRQ(TIM2_IRQn);

  HAL_TIM_IRQHandler(&htim2);

}

void TIM2_IRQHandler(void)

{

    if (__HAL_TIM_GET_FLAG(&htim2, TIM_FLAG_UPDATE) != RESET)      //In case other interrupts are also running

    {

        if (__HAL_TIM_GET_ITSTATUS(&htim2, TIM_IT_UPDATE) != RESET)

        {

            __HAL_TIM_CLEAR_FLAG(&htim2, TIM_FLAG_UPDATE);

            HAL_GPIO_TogglePin(GPIOE, GPIO_PIN_2);

        }

    }

}