博主写题时，两个纰漏
时钟显示顺序错误
再对8位进行定义时，没包装成子函数，显的很啰嗦
一、题目展示
二、代码展示
2.1 main.c
#include <STC15F2K60S2.h> #include "ds1302.h" #include "onewire.h" #define uchar unsigned char #define uint unsigned int uchar code SMG_duanma[19] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90, 0x88,0x80,0xc6,0xc0,0x86,0x8e, 0xbf,0x7f,0XFF};//分别是0-9（对应下标），A-F，“-”，“.”,“灭” //分别是“0.-9.” uchar code SMG_Dot_AC[10] = {0X40,0X79,0X24,0X30,0X19,0X12,0X02,0X78,0X00,0X10}; //对应数码管8位位码 uchar yi,er,san,si,wu,liu,qi,ba; //秒、分、时、日、月、周、年 uchar shijian[] = {0X50,0X59,0X23,0X00,0X00,0X00,0X00}; //闹钟 uchar naozhong[] = {0X00,0X00,0X00,0X00,0X00,0X00,0X00}; //DS1302写和读地址 uchar Write_DS1302_adrr[7] = {0X80, 0X82, 0X84, 0X86, 0X88, 0X8A, 0X8C}; uchar Read_DS1302_adrr[7] = {0X81, 0X83, 0X85, 0X87, 0X89, 0X8B, 0X8D}; //时钟显示与设置(0为显示状态、1为设置状态) uchar Mode_shizhong = 0; //判断是亮还是灭（0是亮，1是灭） uchar Mode_light = 0; //闹钟设置 uchar Mode_naozhong = 0; uchar tt = 0; uchar t = 0; uchar miao = 0; //在加减时，判断S4还是S5\S7按下，一般置0 uchar Key_S4_S5_S7_Flag = 0; //在闹钟加减时 uchar Key_S4_S5_S6_Flag = 0; //判断L1是亮还是灭（0是亮，1是灭） uchar Mode_L1_light = 0; //闹钟提示标志位 uchar Check_naozhong = 0; //系统初始化 void Initsys(); //配置HC138 void SelectHC138(uchar channel); //在pos位码上，显示value段码 void DisplaySMG_Bit(uchar pos, uchar value); //数码管8位码显示 void SMG_Display(); //数码管的延时 void Delay_one_ms_SMG(); //独立按键(BTN) void Alone_Key(); //按键消抖延时 void Delay_five_ms_Key(); //读出时间 void Read_DS1302(); //时间初始化 void Init_DS1302(); //时钟设置函数 void Setting_shizhong(); //中断初始化 void Timer0Init(void); //闹钟设置函数 void Setting_naozhong(); void main() { yi = er = san = si = wu = liu = qi = ba = 18; Init_DS1302(); Initsys(); Timer0Init(); while(1) { Read_DS1302(); Alone_Key(); yi = shijian[0] / 16; er = shijian[0] % 16; san = 16; si = shijian[1] / 16; wu = shijian[1] % 16; liu = 16; qi = shijian[2] / 16; ba = shijian[2] % 16; SMG_Display(); if(Mode_shizhong == 1) { Setting_shizhong(); } if(Mode_naozhong == 1) { Setting_naozhong(); } if(naozhong[0] == shijian[0] && naozhong[1] == shijian[1] && naozhong[2] == shijian[2]) { Check_naozhong = 1; miao = 0; } if(Check_naozhong == 0) { SelectHC138(4);P0 = 0XFF; } } } //闹钟设置函数 void Setting_naozhong() { //1 while(1) { Key_S4_S5_S6_Flag = 0; Alone_Key(); if(Mode_light == 0)yi = 18; else if(Mode_light == 1)yi = naozhong[0] / 16;; er = naozhong[0] % 16; san = 16; si = naozhong[1] / 16; wu = naozhong[1] % 16; liu = 16; qi = naozhong[2] / 16; ba = naozhong[2] % 16; SMG_Display(); if(Key_S4_S5_S6_Flag == 5 && yi != 9 && yi != 18){naozhong[0] = naozhong[0] + 16;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 4 && yi != 0 && yi != 18){naozhong[0] = naozhong[0] - 16;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 6)break; } //2 while(1) { Key_S4_S5_S6_Flag = 0; Alone_Key(); if(Mode_light == 0)er = 18; else if(Mode_light == 1)er = naozhong[0] % 16;; yi = naozhong[0] / 16; san = 16; si = naozhong[1] / 16; wu = naozhong[1] % 16; liu = 16; qi = naozhong[2] / 16; ba = naozhong[2] % 16; SMG_Display(); if(Key_S4_S5_S6_Flag == 5 && er != 9 && er != 18){naozhong[0] = naozhong[0] + 1;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 4 && er != 0 && er != 18){naozhong[0] = naozhong[0] - 1;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 6)break; } //4 while(1) { Key_S4_S5_S6_Flag = 0; Alone_Key(); if(Mode_light == 0)si = 18; else if(Mode_light == 1)si = naozhong[1] / 16;; yi = naozhong[0] / 16; er = naozhong[0] % 16; san = 16; wu = naozhong[1] % 16; liu = 16; qi = naozhong[2] / 16; ba = naozhong[2] % 16; SMG_Display(); if(Key_S4_S5_S6_Flag == 5 && si != 9 && si != 18){naozhong[1] = naozhong[1] + 16;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 4 && si != 0 && si != 18){naozhong[1] = naozhong[1] - 16;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 6)break; } //5 while(1) { Key_S4_S5_S6_Flag = 0; Alone_Key(); if(Mode_light == 0)wu = 18; else if(Mode_light == 1)wu = naozhong[1] % 16;; yi = naozhong[0] / 16; er = naozhong[0] % 16; san = 16; si = naozhong[1] / 16; liu = 16; qi = naozhong[2] / 16; ba = naozhong[2] % 16; SMG_Display(); if(Key_S4_S5_S6_Flag == 5 && wu != 9 && wu != 18){naozhong[1] = naozhong[1] + 1;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 4 && wu != 0 && wu != 18){naozhong[1] = naozhong[1] - 1;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 6)break; } //7 while(1) { Key_S4_S5_S6_Flag = 0; Alone_Key(); if(Mode_light == 0)qi = 18; else if(Mode_light == 1)qi = naozhong[2] / 16;; yi = naozhong[0] / 16; er = naozhong[0] % 16; san = 16; si = naozhong[1] / 16; wu = naozhong[1] % 16; liu = 16; ba = naozhong[2] % 16; SMG_Display(); if(Key_S4_S5_S6_Flag == 5 && qi != 9 && qi != 18){naozhong[2] = naozhong[2] + 16;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 4 && qi != 0 && qi != 18){naozhong[2] = naozhong[2] - 16;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 6)break; } //8 while(1) { Key_S4_S5_S6_Flag = 0; Alone_Key(); if(Mode_light == 0)ba = 18; else if(Mode_light == 1)ba = naozhong[2] % 16;; yi = naozhong[0] / 16; er = naozhong[0] % 16; san = 16; si = naozhong[1] / 16; wu = naozhong[1] % 16; liu = 16; qi = naozhong[2] / 16; SMG_Display(); if(Key_S4_S5_S6_Flag == 5 && ba != 9 && ba != 18){naozhong[2] = naozhong[2] + 1;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 4 && ba != 0 && ba != 18){naozhong[2] = naozhong[2] - 1;Key_S4_S5_S6_Flag = 0;} if(Key_S4_S5_S6_Flag == 6)break; } Key_S4_S5_S6_Flag = 0; Mode_naozhong = 0; } //时钟设置函数 void Setting_shizhong() { //1 while(1) { Key_S4_S5_S7_Flag = 0; Alone_Key(); if(Mode_light == 0)yi = 18; else if(Mode_light == 1)yi = shijian[0] / 16;; er = shijian[0] % 16; san = 16; si = shijian[1] / 16; wu = shijian[1] % 16; liu = 16; qi = shijian[2] / 16; ba = shijian[2] % 16; SMG_Display(); if(Key_S4_S5_S7_Flag == 5 && yi != 9 && yi != 18){shijian[0] = shijian[0] + 16;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 4 && yi != 0 && yi != 18){shijian[0] = shijian[0] - 16;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 7)break; } //2 while(1) { Key_S4_S5_S7_Flag = 0; Alone_Key(); if(Mode_light == 0)er = 18; else if(Mode_light == 1)er = shijian[0] % 16;; yi = shijian[0] / 16; san = 16; si = shijian[1] / 16; wu = shijian[1] % 16; liu = 16; qi = shijian[2] / 16; ba = shijian[2] % 16; SMG_Display(); if(Key_S4_S5_S7_Flag == 5 && er != 9 && er != 18){shijian[0] = shijian[0] + 1;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 4 && er != 0 && er != 18){shijian[0] = shijian[0] - 1;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 7)break; } //4 while(1) { Key_S4_S5_S7_Flag = 0; Alone_Key(); if(Mode_light == 0)si = 18; else if(Mode_light == 1)si = shijian[1] / 16;; yi = shijian[0] / 16; er = shijian[0] % 16; san = 16; wu = shijian[1] % 16; liu = 16; qi = shijian[2] / 16; ba = shijian[2] % 16; SMG_Display(); if(Key_S4_S5_S7_Flag == 5 && si != 9 && si != 18){shijian[1] = shijian[1] + 16;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 4 && si != 0 && si != 18){shijian[1] = shijian[1] - 16;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 7)break; } //5 while(1) { Key_S4_S5_S7_Flag = 0; Alone_Key(); if(Mode_light == 0)wu = 18; else if(Mode_light == 1)wu = shijian[1] % 16;; yi = shijian[0] / 16; er = shijian[0] % 16; san = 16; si = shijian[1] / 16; liu = 16; qi = shijian[2] / 16; ba = shijian[2] % 16; SMG_Display(); if(Key_S4_S5_S7_Flag == 5 && wu != 9 && wu != 18){shijian[1] = shijian[1] + 1;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 4 && wu != 0 && wu != 18){shijian[1] = shijian[1] - 1;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 7)break; } //7 while(1) { Key_S4_S5_S7_Flag = 0; Alone_Key(); if(Mode_light == 0)qi = 18; else if(Mode_light == 1)qi = shijian[2] / 16;; yi = shijian[0] / 16; er = shijian[0] % 16; san = 16; si = shijian[1] / 16; wu = shijian[1] % 16; liu = 16; ba = shijian[2] % 16; SMG_Display(); if(Key_S4_S5_S7_Flag == 5 && qi != 9 && qi != 18){shijian[2] = shijian[2] + 16;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 4 && qi != 0 && qi != 18){shijian[2] = shijian[2] - 16;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 7)break; } //8 while(1) { Key_S4_S5_S7_Flag = 0; Alone_Key(); if(Mode_light == 0)ba = 18; else if(Mode_light == 1)ba = shijian[2] % 16;; yi = shijian[0] / 16; er = shijian[0] % 16; san = 16; si = shijian[1] / 16; wu = shijian[1] % 16; liu = 16; qi = shijian[2] / 16; SMG_Display(); if(Key_S4_S5_S7_Flag == 5 && ba != 9 && ba != 18){shijian[2] = shijian[2] + 1;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 4 && ba != 0 && ba != 18){shijian[2] = shijian[2] - 1;Key_S4_S5_S7_Flag = 0;} if(Key_S4_S5_S7_Flag == 7)break; } //情况按键标志位 Key_S4_S5_S7_Flag = 0; //初始化时钟 Init_DS1302(); //变成显示模式 Mode_shizhong = 0; } //按键消抖延时 void Delay_five_ms_Key() { uint i,j; for(i = 0; i < 5; i++) for(j = 845; j > 0; j--); } //独立按键(BTN) void Alone_Key() { //S7按键 if(P30 == 0) { Delay_five_ms_Key(); if(P30 == 0) { Check_naozhong = 0; if(Mode_shizhong == 0 && Mode_naozhong != 1)Mode_shizhong = 1; else if(Mode_shizhong == 1) { Key_S4_S5_S7_Flag = 7; } } while(!P30); } //S6按键 else if(P31 == 0) { Delay_five_ms_Key(); if(P31 == 0) { Check_naozhong = 0; if(Mode_shizhong != 1) { Mode_naozhong = 1; Key_S4_S5_S6_Flag = 6; } } while(!P31); } //S5按键 else if(P32 == 0) { Delay_five_ms_Key(); if(P32 == 0) { Key_S4_S5_S7_Flag = 5; Key_S4_S5_S6_Flag = 5; Check_naozhong = 0; } while(!P32); } //S4按键 else if(P33 == 0) { Delay_five_ms_Key(); if(P33 == 0) { Key_S4_S5_S7_Flag = 4; Key_S4_S5_S6_Flag = 4; Check_naozhong = 0; } if(Mode_shizhong == 0) { while(!P33) { uchar temp; temp = Temper(); yi = 18; er = 18; san = 18; si = 18; wu = 18; liu = temp / 10; qi = temp % 10; ba = 12; SMG_Display(); } } else { while(!P33); } } } //配置HC138 void SelectHC138(uchar channel) { switch(channel) { case 4: //LED P2 = (P2 & 0X1F) | 0X80; break; case 5: //蜂鸣器和继电器 P2 = (P2 & 0X1F) | 0Xa0; break; case 6: //位码 P2 = (P2 & 0X1F) | 0Xc0; break; case 7: //段码 P2 = (P2 & 0X1F) | 0Xe0; break; case 0: //锁住所有寄存器 P2 = (P2 & 0X1F) | 0X00; break; } } //系统初始化 void Initsys() { SelectHC138(5); P0 = 0X00;//关闭蜂鸣器和继电器 SelectHC138(4); P0 = 0XFF;//关闭LED SelectHC138(6); P0 = 0XFF; //选择所有数码管 SelectHC138(7); P0 = 0XFF; //关闭所有数码管 } //在pos位码上，显示value段码 void DisplaySMG_Bit(uchar pos, uchar value) { SelectHC138(6); P0 = 0X01 << pos; SelectHC138(7); P0 = value; } //数码管8位码显示 void SMG_Display() { DisplaySMG_Bit(0, SMG_duanma[yi]); Delay_one_ms_SMG(); DisplaySMG_Bit(1, SMG_duanma[er]); Delay_one_ms_SMG(); DisplaySMG_Bit(2, SMG_duanma[san]); Delay_one_ms_SMG(); DisplaySMG_Bit(3, SMG_duanma[si]); Delay_one_ms_SMG(); DisplaySMG_Bit(4, SMG_duanma[wu]); Delay_one_ms_SMG(); DisplaySMG_Bit(5, SMG_duanma[liu]); Delay_one_ms_SMG(); DisplaySMG_Bit(6, SMG_duanma[qi]); Delay_one_ms_SMG(); DisplaySMG_Bit(7, SMG_duanma[ba]); Delay_one_ms_SMG(); } //数码管的延时 void Delay_one_ms_SMG() { uint j; for(j = 845; j > 0; j--); } //时间初始化 void Init_DS1302() { uchar i; Write_Ds1302(0X81, 0X00); for(i = 0; i < 7; i++) { Write_Ds1302(Write_DS1302_adrr[i], shijian[i]); } } //读出时间 void Read_DS1302() { uchar i; for(i = 0; i < 7; i++) { shijian[i] = Read_Ds1302(Read_DS1302_adrr[i]); } } void Timer0Init(void) //5毫秒@11.0592MHz { AUXR |= 0x80; //定时器时钟1T模式 TMOD &= 0xF0; //设置定时器模式 TL0 = 0x00; //设置定时初值 TH0 = 0x28; //设置定时初值 TF0 = 0; //清除TF0标志 TR0 = 1; //定时器0开始计时 ET0 = 1; EA = 1; } void Timer0Server() interrupt 1 { tt++; t++; if(tt == 200) { if(Mode_light == 0)Mode_light = 1; else if(Mode_light == 1)Mode_light = 0; miao++; tt = 0; } if(miao == 5){Check_naozhong = 0;} if(Check_naozhong == 1 && t == 40) { SelectHC138(4); if(Mode_L1_light == 0){Mode_L1_light = 1;P0 = 0XFF;} else if(Mode_L1_light == 1){Mode_L1_light = 0;P0 = 0XFE;} t = 0; } }
2.2 ds1302.c
/* 程序说明: DS1302驱动程序 软件环境: Keil uVision 4.10 硬件环境: CT107单片机综合实训平台 8051，12MHz 日 期: 2011-8-9 */ #include <reg52.h> #include <intrins.h> sbit SCK=P1^7; sbit SDA=P2^3; sbit RST = P1^3; // DS1302复位 void Write_Ds1302_Byte(unsigned char temp) { unsigned char i; for (i=0;i<8;i++) { SCK=0; SDA=temp&0x01; temp>>=1; SCK=1; } } void Write_Ds1302( unsigned char address,unsigned char dat ) { RST=0; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); SCK=0; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); RST=1; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); Write_Ds1302_Byte(address); Write_Ds1302_Byte(dat); RST=0; } unsigned char Read_Ds1302 ( unsigned char address ) { unsigned char i,temp=0x00; RST=0; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); SCK=0; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); RST=1; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); Write_Ds1302_Byte(address); for (i=0;i<8;i++) { SCK=0; temp>>=1; if(SDA) temp|=0x80; SCK=1; } RST=0; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); RST=0; SCK=0; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); SCK=1; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); SDA=0; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); SDA=1; _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_(); return (temp); }
2.3 onewire.c
/* 程序说明: 单总线驱动程序 软件环境: Keil uVision 4.10 硬件环境: CT107单片机综合实训平台(外部晶振12MHz) STC89C52RC单片机 日 期: 2011-8-9 */ #include "reg52.h" sbit DQ = P1^4; //单总线接口 //单总线延时函数 void Delay_OneWire(unsigned int t) //STC89C52RC { while(t--); } //通过单总线向DS18B20写一个字节 void Write_DS18B20(unsigned char dat) { unsigned char i; for(i=0;i<8;i++) { DQ = 0; DQ = dat&0x01; Delay_OneWire(50); DQ = 1; dat >>= 1; } Delay_OneWire(50); } //从DS18B20读取一个字节 unsigned char Read_DS18B20(void) { unsigned char i; unsigned char dat; for(i=0;i<8;i++) { DQ = 0; dat >>= 1; DQ = 1; if(DQ) { dat |= 0x80; } Delay_OneWire(50); } return dat; } //DS18B20设备初始化 bit init_ds18b20(void) { bit initflag = 0; DQ = 1; Delay_OneWire(120); DQ = 0; Delay_OneWire(800); DQ = 1; Delay_OneWire(100); initflag = DQ; Delay_OneWire(50); return initflag; } unsigned char Temper() { unsigned char di8,gao8,temp; init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0x44); Delay_OneWire(200); init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0xbe); di8=Read_DS18B20(); gao8=Read_DS18B20(); temp=gao8<<4; temp=temp|(di8>>4); return temp; }
附
对于DS1302写入时间时，怎么可以输入61产生0X61的效果
因为这样修改DS1302的初始化时，就很好重置了
解决：
dat如果是61，那么经过上式就变成0X61了
之后，我在写时，又决定改成16进制了，如果改变6的话，其实加上16就行了
