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第八届省赛——电子钟#include "sys.h"#include "seg.h"#include "key.h"#include "ds18b20.h"#include "ds1302.h"extern bit set=0;extern u8 yi,er,san,si,wu,liu,qi,ba;extern u8 alarm_set=0;extern u8 clock_set=0;extern bit clock_show=1;extern bit alarm_show=0;

这里写目录标题DS18B20DS1302IICKEYSYSTEMDS18B20#include "ds18b20.h"#include "seg.h"sbit DQ = P1^4; //单总线接口//单总线延时函数void Delay_OneWire(u8 t) //IAP15F2K61S2{ t = t * 7; while(t--);}//通过单总线向DS18B20写一个字节void Write_DS18B20(u8 dat){ u8 i; EA = 0; fo