example3.i

来自「AVR单片机C语言编程及应用实例 适合初学者的学习研究 其中包含Atmega」· I 代码 · 共 38 行

#line 55 "C:\iccv7avr\include\macros.h"
void _StackCheck(void);
void _StackOverflowed(char);

#line 5 "G:\学习\avr\天祥电子AVR视频教程\chengxu\example\example3.c"
unsigned char table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,
 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void delay(unsigned int ms)
{
 unsigned int i,j;
 for(i=0;i<ms;i++)
 {
 for(j=0;j<1141;j++);
 }
}
void show(unsigned char j,unsigned char k)
{
 (*(volatile unsigned char *)0x3B)|=(1 << (3));
 (*(volatile unsigned char *)0x38)=table(j);
 (*(volatile unsigned char *)0x3B)&=~(1 << (3));
 (*(volatile unsigned char *)0x38)=0XFF;
 (*(volatile unsigned char *)0x38)&=~(1 << (K))
 (*(volatile unsigned char *)0x3B)|=(1 << (4))
 (*(volatile unsigned char *)0x3B)&=~(1 << (4))
 delay (50);
}
void main()
{
 unsigned char i,j;
 (*(volatile unsigned char *)0x3A)=0xff;
 (*(volatile unsigned char *)0x37)=0xff;
 while(1)
 {
 for(i=0;i<3;i++)
 show(i,i)
 }
}