随笔分类 -  ARM920T

闪灯的另一种
摘要：int main(void){int i;*(volatile unsigned int*)0x56000050=*(volatile unsigned int*)0x56000050 | 0x00004400;*(volatile unsigned int*)0x56000054=*(volatile unsigned int*)0x56000054 | 0x00000090;*(volatil... 阅读全文

posted @ 2009-05-16 23:34 冯磊 阅读(112) 评论(0) 推荐(0)

闪灯实验
摘要：#define GPFCON (*(volatile unsigned long *)0x56000050) #define GPFDAT (*(volatile unsigned long *)0x56000054) #define GPFUP (*(volatile unsigned long *)0x56000058) int sysentry(void) { int i; GPFCON... 阅读全文

posted @ 2009-01-30 17:07 冯磊 阅读(137) 评论(0) 推荐(0)

导航