Mercurial > lcfOS
view python/stm32f4/blink.c3 @ 240:6259856841a0
Remove project
author | Windel Bouwman |
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date | Mon, 22 Jul 2013 22:37:33 +0200 |
parents | e621e3ba78d2 |
children | 6ed3d3a82a63 |
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/* This file blinks a LED on the STM32F4 discovery board. the board has 4 leds on PD12, PD13, PD14 and PD15 */ package blink; type struct { int MODER; int OTYPER; int OSPEEDR; int PUPDR; int IDR; int ODR; }* GPIO_Type; type struct { int CR; int PLLCFGR; int CFGR; int CIR; int AHB1RSTR; int AHB2RSTR; int AHB3RSTR; int reserved0; int APB1RSTR; int APB2RSTR; int reserved1a, reserved1b; int AHB1ENR; int AHB2ENR; int AHB3ENR; int reserved2; int APB1ENR, APB2ENR; }* RCC_Type; // Functions: function void main() { // Memory mapped control registers: var GPIO_Type GPIOD; GPIOD = cast<GPIO_Type>(0x40020C00); var RCC_Type RCC; RCC = cast<RCC_Type>(0x40023800); // Enable the clock to port D: RCC->AHB1ENR = RCC->AHB1ENR | 0x8; // PD13 == output (01) GPIOD->MODER = (1 << 26); GPIOD->ODR = (1 << 13); while(true) {} }