#include "timer.h"

void tim6_init()
{
  RCC->APB1ENR1 |= RCC_APB1ENR1_TIM6EN;
  
  TIM6->PSC = 16000 - 1; // 16 MHz / 16000 = 1000 Hz (1 ms)
  TIM6->ARR = 2 - 1;    // 2 ms
  
  TIM6->DIER |= TIM_DIER_UIE;   // interrupt enable
  TIM6->CR1 |= TIM_CR1_CEN;     // counter enable
  
  NVIC_EnableIRQ(TIM6_DAC_IRQn);
}