AVR单片机电子钟C程序

#include
         
          #define uchar unsigned char#define uint unsigned int#define setb(val,bitn) (val|=(1<<(bitn)))//设置某IO口某位为1#define clr(val,bitn) (val&=~(1<<(bitn)))//设置某IO口某位为0#define get(val,bitn) (val&(1<<(bitn)))//读取某位状态uchar shi=20,fen=39,miao,a=0xff,num;#pragma interrupt_handler zhong:9//它所对应的位置#pragma data:code//定义程序存在ROM里面const uchar table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};/***********************************************//*******************延时子程序******************//***********************************************/void delay(uchar z){uchar x,y;for(x=0;x<255;x++)for(y=0;y
          
           
           

            
             
             
            
           
           
           

           
           

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