/*************************************************************************************
*?Test-program?for?Olimex?“STM32-H103”?header?board?for?“STM32F103RBT6”.
*?After?program?start?green?LED?（LED_E）?will?blink.
*
*?Program?has?to?be?compiled?with?optimizer?setting?“-O0“.
*?Otherwise?delay?via?while-loop?will?not?work?correctly.
*************************************************************************************/
#include?“stm32f10x.h“
#include?“stm32f10x_rcc.h“
#include?“stm32f10x_gpio.h“
int?main（int?argc?char?*argv[]）
{
?	GPIO_InitTypeDef?GPIO_InitStructure;
?	u32?delay;
/*?GPIOC?Periph?clock?enable?*/
	RCC_APB2PeriphClockCmd（RCC_APB2Periph_GPIOF?ENABLE）;
/*?Configure?PC12?to?mode:?slow?rise-time?pushpull?output?*/
	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_6;?//?GPIO?No.?12
	GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_2MHz;?//?slow?rise?time
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_Out_PP;?//?push-pull?output
	GPIO_Init（GPIOF?&GPIO_InitStructure）;?//?GPIOC?init
	while（1）
	{
		/*?make?some?float?calculations?*/
		float?x?=?42?y?=?23?z?=?7;
		int?i?=?0;
		for?（?i?=?0;?i?		{
			z?=?（x*y）/z;
		};
		/*?GPIO?PC12?set?pin=high?LED_E?off?*/
		GPIOF->BSRR?=?GPIO_BSRR_BS6;
		/*GPIO_WriteBit（GPIOCGPIO_Pin_12Bit_SET）;*/
		/*?delay?-->?compiler?optimizer?settings?must?be?“-O0“?*/
		delay=5000000;
		while（delay）
			delay--;
		/*?GPIO?PC12?reset?pin=low?LED_E?on?*/
		GPIOF->BSRR?=?GPIO_BSRR_BR6;
		/*GPIO_WriteBit（GPIOCGPIO_Pin_12Bit_RESET）;*/
		/*?delay?-->?compiler?optimizer?settings?must?be?“-O0“?*/
		delay=5000000;
		while（delay）
			delay--;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1597??2013-12-27?18:30??main.c
?????文件???????10464??2013-12-26?19:21??startup.c