廷时函数.c

单片机开发资料光盘-双龙-686M.zip

#include <io8515.h> /* 定义 8515 */
void delay(unsigned int delayValue)
{
 unsigned int i;
    for(i=0;i<delayValue;i++) ;
}
void main(void)
{
 unsigned char runner = 0x01;
 DDRB = 0xff; /* Port B 输出 */
 for (;;) /* 死循环 */
      {
       if (runner) runner <<= 1;
       else runner = 0x01;
       PORTB = runner;
       delay(65530);
       }
}