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annotate examples/c3/burn.c3 @ 300:158068af716c

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yafm
author Windel Bouwman
date Tue, 03 Dec 2013 18:00:22 +0100
parents test/c3examples/burn.c3@05184b95fa16
children
rev   line source
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1 /*
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2
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3 This file blinks a LED on the STM32F4 discovery board.
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4
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5 the board has 4 leds on PD12, PD13, PD14 and PD15
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6
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7 */
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8
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9 module burn;
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11 import stm32f4xx;
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13 /*
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14 function void init()
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15 {
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16 }
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17 */
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18
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19 function void main()
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20 {
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21 //init();
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22 var RCC_Type RCC;
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23 RCC = cast<RCC_Type>(0x40023800);
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24
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25 // Enable the clock to port D:
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26 RCC->AHB1ENR = RCC->AHB1ENR | (1 << 3);
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27 // Memory mapped control registers:
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28 var GPIO_Type GPIOD;
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29 GPIOD = cast<GPIO_Type>(0x40020C00);
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31 var int pin;
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32 pin = 15;
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33 // PD13 == output (01)
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34 GPIOD->MODER = (1 << (pin << 1));
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35 GPIOD->ODR = (1 << pin);
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36
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37 while(true) {}
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38 }
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39