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207
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1 // This file blinks a LED on the STM32F4 discovery board.
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2 package blink;
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204
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3
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207
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4 // import bla
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5 //type struct TIM2_s {
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6 // uint32_t SR;
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7 //};
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204
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8
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9 // Globals:
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10 var int divider;
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207
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11 //const TIM2_s *TIM2;
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204
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12
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13 // Functions:
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14 function void tim2_handler()
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15 {
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207
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16 // if (TIM2->SR & TIM_SR_UIF)
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17 if (true)
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204
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18 {
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207
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19 divider = divider + 1;
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20 /*
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204
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21 if (divider > 100000)
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22 {
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23 divider = 0;
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24 GPIOD->ODR ^= (1 << 13);
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25 }
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207
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26 */
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204
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27 }
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28 }
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29
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30 function void main()
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31 {
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32 divider = 0;
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33 /*
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34 RCC->AHB1ENR |= RCC_AHB1ENR_GPIODEN;
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35 RCC->APB1ENR |= RCC_APB1ENR_TIM2EN;
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36
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37 GPIOD->MODER = (1<<26);
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38
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39 NVIC->ISER[0] |= 1<< (TIM2_IRQn);
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40
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41 TIM2->PSC = 0xE000;
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42 TIM2->DIER |= TIM_DIER_UIE;
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43 TIM2->ARR = 0xE000;
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44 TIM2->CR1 |= TIM_CR1_ARPE | TIM_CR1_CEN;
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45 TIM2->EGR = 1;
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46
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47 */
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205
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48 while(true) {}
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204
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49 }
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50
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