main.c

来自「ARM公司ATC培训的所有练习源码」· C语言 代码 · 共 28 行

#include <stdio.h>
#include "cortexm3.h"
#include "pseudo_intrinsics.h"

int main(void)
{
    volatile int delay=0;

    printf("Hello world!\n\r");

    /* Loop forever */
    while( 1 )
    {
#if defined SYSTICK_INTERRUPT
    printf("Hello from main!\n\r");

    delay=1000000;
    while(--delay > 0)
    {
    }

    /* Sleep and wait for SysTick (or something else) to interrupt */
    __WFI();
#endif
    }
    return 1;
}