Clase timers

#include "stm32l4xx_hal.h"
#include "delayus.h"

static TIM_HandleTypeDef timer_handle;

// incluye algo que falta y es indispensable


void delayus (uint32_t microseconds)
{
    uint32_t overflows;
    uint32_t partial;
    uint32_t cnt_initial;

    overflows = microseconds/65536 + 1;
    //partial = microseconds - overflow * 65536;
    partial = microseconds % 65536;
    cnt_initial = 65536 - partial;

   __HAL_TIM_CLEAR_FLAG(&timer_handle, TIM_FLAG_UPDATE);
__HAL_TIM_SET_COUNTER(&timer_handle,??????);

    counter_flags = 0;
    while (counter_flags < overflows)
    {
        while(comprobar flag == 0) {};  // __HAL_TIM_GET_FLAG(
        // ????borrar flag
        counter_flags++;
    }

    HAL_TIM_Base_Stop(
}

void delay_init(void)
{
    // poner en macha el RCC del relpoj
    timer_handle.Instance = TIM6;
    timer_handle.Init.Prescaler = ...

    HAL_TIM_Base_Init(

}