#include #define uchar unsigned char #define uint unsigned int #define ulong unsigned long #define LED_DAT P0 sbit LED_SEG0 = P2^7; sbit LED_SEG1 = P2^6; sbit LED_SEG2 = P2^5; sbit LED_SEG3 = P2^4; #define TIME_CYLC 100 //12M晶振，定时器10ms 中断一次 我们1秒计算一