51单片机万年历(keil+proteus 8.6).zip (时间调整+温度日期星期显示+实验报告)

#include <reg51.h> struct sTime { //日期时间结构体定义 unsigned int year; unsigned char mon; unsigned char day; unsigned char hour; unsigned char min; unsigned char sec; unsigned char week; }; sbit K1 = P1^0; sbit K2 = P1^1; sbit K3 = P1^2; sbit K4 = P1^3; sbit K5 = P1^4; sbit BEEP=P2^6; bit flag200ms = 1; //200ms定时标志 bit flag1s = 1; //1s定时标志 unsigned char setIndex = 0; //时间设置索引 unsigned char state=0; struct sTime bufTime; //日期时间缓冲区 void timer0_init(); //定时器初始化 void RefreshTimeShow(); void delay(unsigned int i); void KeyAction(); void been(unsigned int time); void delay1(unsigned int i); //void LcdWriteCmd(unsigned char cmd); unsigned char IntToString(unsigned char *str, int dat); extern bit Start18B20(); extern void LcdWriteDat(unsigned char dat); extern bit Get18B20Temp(int *temp); extern void InitDS1302(); extern void GetRealTime(struct sTime *time); extern void SetRealTime(struct sTime *time); extern void InitLcd1602(); extern void LcdShowStr(unsigned char x, unsigned char y, unsigned char *str); extern void LcdSetCursor(unsigned char x, unsigned char y); extern void LcdOpenCursor(void); extern void LcdCloseCursor(void); unsigned char *week[] = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"}; void main() { bit res; int temp; //读取到的当前温度值 int intT, decT; //温度值的整数和小数部分 unsigned char len; unsigned char str[12]; unsigned char psec=0xAA; //秒备份，初值AA确保首次读取时间后会刷新显示 EA = 1; //开总中断 timer0_init(); InitDS1302(); //初始化实时时钟 InitLcd1602(); //初始化液晶 Start18B20(); //温度//启动一次 18B20 温度转换，返回值-表示是否启动成功 //初始化屏幕上固定不变的内容 LcdShowStr(1, 0, "20 - - "); LcdShowStr(1, 1, " : : "); while (1) { KeyAction(); if(state) { LcdOpenCursor(); //LcdWriteCmd(0x0F); //打开光标闪烁效果 } else { LcdCloseCursor(); //关闭光标闪烁效果 } if (flag200ms&&(setIndex == 0)) { flag200ms = 0; GetRealTime(&bufTime); //获取当前时间 if (psec != bufTime.sec) //检测到时间有变化时刷新显示 { RefreshTimeShow(); psec = bufTime.sec; //用当前值更新上次秒数 } } if(flag1s) { flag1s=0; res = Get18B20Temp(&temp); //读取当前温度 if (res) //读取成功时，刷新当前温度显示 { intT = temp >> 4; //分离出温度值整数部分 decT = temp & 0xF; //分离出温度值小数部分 len = IntToString(str, intT); //整数部分转换为字符串 str[len++] = '.'; //添加小数点 decT = (decT*10) / 16; //二进制的小数部分转换为1位十进制位 str[len++] = decT + '0'; //十进制小数位再转换为ASCII字符 while (len < 6) //用空格补齐到6个字符长度 { str[len++] = ' '; } str[len] = '\0'; //添加字符串结束符 LcdShowStr(10, 1, str); //显示到液晶屏上 LcdSetCursor(14,1); LcdWriteDat(0xdf); LcdSetCursor(15,1); LcdWriteDat('C'); } else //读取失败时，提示错误信息 { LcdShowStr(0, 0, "error!"); } Start18B20(); //重新启动下一次转换 } } } /* 将一个BCD码字节显示到屏幕上，(x,y)-屏幕起始坐标，bcd-待显示BCD码 */ void ShowBcdByte(unsigned char x, unsigned char y, unsigned char bcd) { unsigned char str[4]; str[0] = (bcd >> 4) + '0'; str[1] = (bcd&0x0F) + '0'; str[2] = '\0'; LcdShowStr(x, y, str); } /* 刷新日期时间的显示 */ void RefreshTimeShow() { ShowBcdByte(3, 0, bufTime.year); ShowBcdByte(6, 0, bufTime.mon); ShowBcdByte(9, 0, bufTime.day); ShowBcdByte(1, 1, bufTime.hour); ShowBcdByte(4, 1, bufTime.min); ShowBcdByte(7, 1, bufTime.sec); switch(bufTime.week){ case 1:LcdShowStr(12, 0, week[0]); break; case 2:LcdShowStr(12, 0, week[1]); break; case 3:LcdShowStr(12, 0, week[2]); break; case 4:LcdShowStr(12, 0, week[3]); break; case 5:LcdShowStr(12, 0, week[4]); break; case 6:LcdShowStr(12, 0, week[5]); break; case 7:LcdShowStr(12, 0, week[6]); break; default: LcdShowStr(12,0,"error"); break; } } /* 刷新当前设置位的光标指示 */ void RefreshSetShow() { switch (setIndex) { case 1: LcdSetCursor(3, 0); break; case 2: LcdSetCursor(4, 0); break; case 3: LcdSetCursor(6, 0); break; case 4: LcdSetCursor(7, 0); break; case 5: LcdSetCursor(9, 0); break; case 6: LcdSetCursor(10, 0); break; case 7: LcdSetCursor(1, 1); break; case 8: LcdSetCursor(2, 1); break; case 9: LcdSetCursor(4, 1); break; case 10: LcdSetCursor(5, 1); break; case 11: LcdSetCursor(7, 1); break; case 12: LcdSetCursor(8, 1); break; default: break; } } /* 递增一个BCD码的高位 */ unsigned char IncBcdHigh(unsigned char bcd) { if ((bcd&0xF0) < 0x90) bcd += 0x10; else bcd &= 0x0F; return bcd; } /* 递增一个BCD码的低位 */ unsigned char IncBcdLow(unsigned char bcd) { if ((bcd&0x0F) < 0x09) bcd += 0x01; else bcd &= 0xF0; return bcd; } /* 递减一个BCD码的高位 */ unsigned char DecBcdHigh(unsigned char bcd) { if ((bcd&0xF0) > 0x00) bcd -= 0x10; else bcd |= 0x90; return bcd; } /* 递减一个BCD码的低位 */ unsigned char DecBcdLow(unsigned char bcd) { if ((bcd&0x0F) > 0x00) bcd -= 0x01; else bcd |= 0x09; return bcd; } /* 递增时间当前设置位的值 */ void IncSetTime() { switch (setIndex) { case 1: bufTime.year = IncBcdHigh(bufTime.year); break; case 2: bufTime.year = IncBcdLow(bufTime.year); break; case 3: bufTime.mon = IncBcdHigh(bufTime.mon); break; case 4: bufTime.mon = IncBcdLow(bufTime.mon); break; case 5: bufTime.day = IncBcdHigh(bufTime.day); break; case 6: bufTime.day = IncBcdLow(bufTime.day); break; case 7: bufTime.hour = IncBcdHigh(bufTime.hour); break; case 8: bufTime.hour = IncBcdLow(bufTime.hour); break; case 9: bufTime.min = IncBcdHigh(bufTime.min); break; case 10: bufTime.min = IncBcdLow(bufTime.min); break; case 11: bufTime.sec = IncBcdHigh(bufTime.sec); break; case 12: bufTime.sec = IncBcdLow(bufTime.sec); break; default: break; } RefreshTimeShow(); RefreshSetShow(); } /* 递减时间当前设置位的值 */ void DecSetTime() { switch (setIndex) { case 1: bufTime.year = DecBcdHigh(bufTime.year); break; case 2: bufTime.year = DecBcdLow(bufTime.year); break; case 3: bufTime.mon = DecBcdHigh(bufTime.mon); break; case 4: bufTime.mon = DecBcdLow(bufTime.mon); break; case 5: bufTime.day = DecBcdHigh(bufTime.day); break; case 6: bufTime.day = DecBcdLow(bufTime.day); break; case 7: bufTime.hour = DecBcdHigh(bufTime.hour); break; case 8: bufTime.hour = DecBcdLow(bufTime.hour); break; case 9: bufTime.min = DecBcdHigh(bufTime.min); break; case 10: bufTime.min = DecBcdLow(bufTime.min); break; case 11: bufTime.sec = DecBcdHigh(bufTime.sec); break; case 12: bufTime.sec = DecBcdLow(bufTime.sec); break; default: break; } RefreshTimeShow(); Refresh