1、sbit dis_bit5=P21;sbit dis_bit6=P20;sbit led1_bit=P22;/定时LED的控制口sbit led2_bit=P25;sbit s1_bit=P10; /定义S1控制口sbit s2_bit=P11; /定义S2控制口sbit s3_bit=P12; /定义S3控制口sbit dq_ds18b20=P33;/定义控制DS18B20sbit speak=P37; /定义蜂鸣器控制口sbit clk_ds1302=P36;/定义控制DS1302的时钟线sbit io_ds1302=P35;/定义控制DS1302的串行数据sbit rest_ds1302
2、=P34;*define smg_data P0/定义数码管数据口void delay_3us();/3US的延时程序void delay_8us(uint t);/8US延时基准程序void delay_50us(uint t);/延时50*T微妙函数的声明void display1(uchar dis_data);/数码管1显示子程序void display2(uchar dis_data);/数码管2显示子程序void display3(uchar dis_data);/数码管3显示子程序void display4(uchar dis_data);/数码管4显示子程序void displ
3、ay5(uchar dis_data);/数码管5显示子程序void display6(uchar dis_data);/数码管6显示子程序void init_t0();/定时器0初始化函数void dis_led();/LED处理函数void judge_s1();/S1按键处理函数void judge_s2();/S2按键处理函数void judge_s3();/S3按键处理函数void dis(uchar s6,uchar s5,uchar s4,uchar s3,uchar s2,uchar s1);/显示子程序void dis_san(uchar s6,uchar s5,uchar
4、s4,uchar s3,uchar s2,uchar s1,uchar san);/闪烁显示子程序void judge_dis();/显示处理函数void judge_clock();void set_ds1302();/设置时间void get_ds1302();/读取当前时间void w_1byte_ds1302(uchar t);/向DS1302写一个字节的数据uchar r_1byte_ds1302();/从DS1302读一个字节的数据/*/DS18B20测温函数定义void w_1byte_ds18b20(uchar value);/向DS18B20写一个字节 uchar r_1by
5、te_ds18b20(void);/从DS18B20读取一个字节的数据void rest_ds18b20(void);/DS18B20复位程序void readtemp_ds18b20(void);/读取温度 void dis_temp();/温度显示函数/共阳数码管断码表const uchar tabl116=0*c0,0*f9,0*a4,0*b0,0*99,0*92,/ 0 1 2 3 4 5 0*82,0*f8,0*80,0*90,0*86,0*87,0*FF,/6 7 8 9 E T B 0*c6,0*bf,0*ff;/ C -const uchar tabl3=0*00,0*01,0
6、*01,0*02,0*03,0*03,0*04,0*04,0*05,0*06,0*06,0*07,0*08,0*08,0*09,0*09; uchar t0_crycle;uchar hour_count,minute_count,second_count,msecond_count;uchar clock_hour,clock_minute;uchar countdown_second;uchar countdown_hour,countdown_minute;uchar clock_en;/闹钟关闭和开启的标志,1开启,0关闭uchar flag1,second_flag,zancun1,
7、zancun2,zancun3;uchar zancun4,zancun5,zancun6,zancun7;uchar clock_flag,countdown_flag;uchar msecond_minute,msecond_second,msecond_msecond,msecond_flag;/秒表相关参数uint speak_count;uchar templ,temph,temp_flag;uchar t_b,t_s,t_g,t_*,temp_flag2;/从左到右分别存储温度百位,十位,个位,小数位uchar tab233;/=0*40,0*59,0*23,0*28,0*11,0
8、*06,0*09;/上电时默认的时间/主程序void main() P3=0*00; flag1=0; zancun3=0; msecond_minute=0;/置秒表相关参数为0 msecond_second=0; msecond_msecond=0; speak=1;/关闭蜂鸣器 speak_count=0; clock_hour=0; clock_minute=0; clock_flag=0; countdown_flag=0;/倒计时标志位为0 clock_en=0;/开机时默认关闭闹钟 init_t0(); TR0=1;/ set_ds1302();/设置DS1302的初始时间/接下
9、来开场编写让数码管显示的程序while(1) get_ds1302(); judge_dis();/显示处理 judge_s1(); judge_s2(); judge_s3(); judge_clock();/闹钟处理程序void timer0() interrupt 1 TH0=(65536-50000)/256; TL0=(65536-50000)%256; t0_crycle+;if(t0_crycle=2)/ 0.1秒 t0_crycle=0; msecond_flag=1; msecond_count+;if(msecond_count=10)/1秒 msecond_count=0
10、; second_flag=1;/*void judge_dis()if(flag1=0)if(second_flag=1) zancun7+; second_flag=0;if(zancun7=1) temp_flag2=1; zancun4=hour_count&0*f0; zancun4=4; zancun5=minute_count& zancun5 zancun6=second_count&zancun6 dis(zancun4,hour_count&0*0f,zancun5,minute_count&0*0f,zancun6,second_count&0*0f); dis_led(
11、);if(zancun7=5)zancun7=0;if(flag1!=0)switch(flag1)case 1: dis(5,10,11,1,12,12);/显示SET1 led1_bit=1; led2_bit=1;break;case 2: dis(5,10,11,2,12,12);/显示SET2case 3: dis(5,10,11,3,12,12);/显示SET3case 4: dis(5,10,11,4,12,12);/显示SET4case 5: dis(5,10,11,5,12,12);/显示SET5case 6: dis_san(zancun1/10,zancun1%10,za
12、ncun2/10,zancun2%10,12,12,1);case 7: dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,2);case 8: dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,3);case 9:/进入修改时间,时间分位个位闪烁 dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,12,4);case 10:/进入修改闹钟,闹钟小时十位闪烁 dis_san(zancun1/10,zancun1%10,zancun2/10,zancun2%10,12,zancun3,1);case 11:/进入修改闹钟,闹钟小时个位闪烁 dis_san(zancun1/10,zancun1
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