Mercurial > lcfOS
view python/stm32f4/blink.c3 @ 225:1c7364bd74c7
Fixed pointer deref
author | Windel Bouwman |
---|---|
date | Thu, 11 Jul 2013 07:42:30 +0200 |
parents | 848c4b15fd0b |
children | 7f18ed9b6b7e |
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// This file blinks a LED on the STM32F4 discovery board. package blink; // import bla //type struct TIM2_s { // uint32_t SR; //}; // Globals: var int divider; //const TIM2_s *TIM2;// = (TIM2_s*)0x40004; // Functions: function void tim2_handler() { // if (TIM2->SR & TIM_SR_UIF) if (true) { divider = divider + 1; if (divider == 100000) { divider = 0; //GPIOD->ODR ^= (1 << 13); } } } function void main() { divider = 0; var int* RCC_AHB1ENR; RCC_AHB1ENR = cast<int*>(0x40003022); *RCC_AHB1ENR = *RCC_AHB1ENR | 8943; /* RCC->AHB1ENR |= RCC_AHB1ENR_GPIODEN; RCC->APB1ENR |= RCC_APB1ENR_TIM2EN; GPIOD->MODER = (1<<26); NVIC->ISER[0] |= 1<< (TIM2_IRQn); TIM2->PSC = 0xE000; TIM2->DIER |= TIM_DIER_UIE; TIM2->ARR = 0xE000; TIM2->CR1 |= TIM_CR1_ARPE | TIM_CR1_CEN; TIM2->EGR = 1; */ while(true) {} }