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#include <reg52.h> //調用單片機頭文件
#define uchar unsigned char //無符號字符型宏定義變量范圍0~255
#define uint unsigned int //無符號整型宏定義變量范圍0~65535
uchar d_miao,d_fen = 0,d_shi;
uchar flag_bai_hei; //白天的晚上的標志位
uchar value;
uint bai_3l_price = 60; //白天3千米內的單價 6元
uint bai_3w_price = 18; //白天3千米外的單價/千米 1.8元
uint bai_wait_price = 5; //白天等待時的單價/分鐘 0.5元
uint wan_3l_price = 70; //晚上3千米內的單價/千米 7元
uint wan_3w_price = 22; //晚上3千米外的單價/千米 2.2元
uint wan_wait_price = 10; //晚上等待時的單價/分鐘 1元
uint distance = 0; //行使的距離
uint zong_jia; //總的價
bit flag_200ms = 0;
bit flag_1s ;
bit flag_time_en = 0;
uchar flag_time_xs = 1; //顯示時間和等待時間切換
uchar i;
sbit clk = P2^0; //ds1302時鐘線定義
sbit io = P2^1; //數據線
sbit rst = P2^2; //復位線
//秒分時日月年星期
uchar code write_add[]={0x80,0x82,0x84,0x86,0x88,0x8c,0x8a}; //寫地址
uchar code read_add[] ={0x81,0x83,0x85,0x87,0x89,0x8d,0x8b}; //讀地址
uchar code init_ds[] ={0x55,0x17,0x15,0x01,0x01,0x13,0x13};
uchar idata miao,fen,shi,ri,yue,week,nian;
#include "lcd1602.h"
/***********************1ms延時函數*****************************/
void delay_1ms(uint q)
{
uint i,j;
for(i=0;i<q;i++)
for(j=0;j<120;j++);
}
#include "iic.h"
void write_iic_data()
{
write_24c02(0,flag_bai_hei);
delay_1ms(10);
write_24c02(1,bai_3l_price % 256); //保存數據
delay_1ms(10);
write_24c02(2,bai_3l_price / 256); //保存數據
delay_1ms(10);
write_24c02(3,bai_3w_price % 256); //保存數據
delay_1ms(10);
write_24c02(4,bai_3w_price / 256); //保存數據
delay_1ms(10);
write_24c02(5,bai_wait_price % 256); //保存數據
delay_1ms(10);
write_24c02(6,bai_wait_price / 256); //保存數據
delay_1ms(10);
write_24c02(7,wan_3l_price % 256); //保存數據
delay_1ms(10);
write_24c02(8,wan_3l_price / 256); //保存數據
delay_1ms(10);
write_24c02(9,wan_3w_price % 256); //保存數據
delay_1ms(10);
write_24c02(10,wan_3w_price / 256); //保存數據
delay_1ms(10);
write_24c02(11,wan_wait_price % 256); //保存數據
delay_1ms(10);
write_24c02(12,wan_wait_price / 256); //保存數據
delay_1ms(10);
}
/****************自動初始化保存的數據*******************/
void zidong_chud_shifa_iic()
{
static uchar value;
// value = read_24c02(100);
value = read_24c02(100);
if(value != 47) //新的單片機初始單片機內問EEPOM
{
value = 47;
bai_3l_price = 60; //白天3千米內的單價 6元
bai_3w_price = 18; //白天3千米外的單價/千米 1.8元
bai_wait_price = 5; //白天等待時的單價/分鐘 0.5元
wan_3l_price = 70; //晚上3千米內的單價/千米 7元
wan_3w_price = 22; //晚上3千米外的單價/千米 2.2元
wan_wait_price = 10; //晚上等待時的單價/分鐘 1元
write_iic_data();
write_24c02(100,value); //保存數據
}
delay_1ms(500);
}
/****************讀出來保存的數據**********************/
void read_iic_data()
{
flag_bai_hei = read_24c02(0);
bai_3l_price = read_24c02(2);
bai_3l_price = bai_3l_price * 256 + read_24c02(1);
bai_3w_price = read_24c02(4);
bai_3w_price = bai_3w_price * 256 + read_24c02(3);
bai_wait_price = read_24c02(6);
bai_wait_price = bai_wait_price * 256 + read_24c02(5);
wan_3l_price = read_24c02(8);
wan_3l_price = wan_3l_price * 256 + read_24c02(7);
wan_3w_price = read_24c02(10);
wan_3w_price = wan_3w_price * 256 + read_24c02(9);
wan_wait_price = read_24c02(12);
wan_wait_price = wan_wait_price * 256 + read_24c02(11);
}
/****************獨立按鍵處理函數************************/
uchar key_can;
//按鍵處理函數
sbit Key1 = P3^4;//時間清零/確定
sbit Key2 = P3^2;//減小
sbit Key3 = P3^0;//路程增加
sbit Key4 = P1^7;//增加
sbit Key5 = P1^3;//設置
sbit Key6 = P1^5;//路程清零
//返回按鍵值
//mode:0,不支持連續按;1,支持連續按;
//0，沒有任何按鍵按下
//1，KEY0按下
//2，KEY1按下
//3，KEY2按下
//4，KEY3按下 WK_UP
//注意此函數有響應優先級,KEY0>KEY1>KEY2>KEY3!!
//========================================================================
// 函數: uchar Key_Scan()
// 應用: temp=uchar Key_Scan();
// 描述: 按鍵掃描并返回按下的鍵值
// 參數: NONE
// 返回: 按下的鍵值
// 版本: VER1.0
// 日期: 2015-05-29
// 備注: 該函數帶松手檢測,按下鍵返回一次鍵值后返回0,直至第二次按鍵按下
//========================================================================
uchar Key_Scan()
{
static uchar key_up=1;//按鍵按松開標志
if(key_up&&(Key1==0||Key2==0||Key3==0||Key4==0||Key5==0||Key6==0))
{
delay_1ms(10);//去抖動
key_up=0;
if(Key1==0) return 1;
else if(Key2==0)return 2;
else if(Key3==0)return 3;
else if(Key4==0)return 4;
else if(Key5==0)return 5;
else if(Key6==0)return 6;
}
else if(Key1==1&&Key2==1&&Key3==1&&Key4==1&&Key5==1&&Key6==1)
key_up=1;
return 20;// 無按鍵按下
}
/*************寫一個數據到對應的地址里***************/
void write_ds1302(uchar add,uchar dat)
{
rst = 1; //把復位線拿高
for(i=0;i<8;i++)
{ //低位在前
clk = 0; //時鐘線拿低開始寫數據
io = add & 0x01;
add >>= 1; //把地址右移一位
clk = 1; //時鐘線拿高
}
for(i=0;i<8;i++)
{
clk = 0; //時鐘線拿低開始寫數據
io = dat & 0x01;
dat >>= 1; //把數據右移一位
clk = 1; //時鐘線拿高
}
rst = 0; //復位線合低
clk = 0;
io = 0;
}
/*************從對應的地址讀一個數據出來***************/
uchar read_ds1302(uchar add)
{
uchar value,i;
rst = 1; //把復位線拿高
for(i=0;i<8;i++)
{ //低位在前
clk = 0; //時鐘線拿低開始寫數據
io = add & 0x01;
add >>= 1; //把地址右移一位
clk = 1; //時鐘線拿高
}
for(i=0;i<8;i++)
{
clk = 0; //時鐘線拿低開始讀數據
value >>= 1;
if(io == 1)
value |= 0x80;
clk = 1; //時鐘線拿高
}
rst = 0; //復位線合低
clk = 0;
io = 0;
return value; //返回讀出來的數據
}
/*************把要的時間年月日都讀出來***************/
void read_time()
{
miao = read_ds1302(read_add[0]); //讀秒
fen = read_ds1302(read_add[1]); //讀分
shi = read_ds1302(read_add[2]); //讀時
ri = read_ds1302(read_add[3]); //讀日
yue = read_ds1302(read_add[4]); //讀月
nian = read_ds1302(read_add[5]); //讀年
week = read_ds1302(read_add[6]); //讀星期
}
/*************把要寫的時間年月日都寫入ds1302里***************/
void write_time()
{
write_ds1302(0x8e,0x00); //打開寫保護
write_ds1302(write_add[0],miao); //寫秒
write_ds1302(write_add[1],fen); //寫分
write_ds1302(write_add[2],shi); //寫時
write_ds1302(write_add[3],ri); //寫日
write_ds1302(write_add[4],yue); //寫月
write_ds1302(write_add[5],nian); //寫星期
write_ds1302(write_add[6],week); //寫年
write_ds1302(0x8e,0x80); //關閉寫保護
}
/*************把數據保存到ds1302 RAM中**0-31*************/
void write_ds1302ram(uchar add,uchar dat)
{
add <<= 1; //地址是從第二位開始的
add &= 0xfe; //把最低位清零是寫的命令
add |= 0xc0; //地址最高兩位為 1
write_ds1302(0x8e,0x00);
write_ds1302(add,dat);
write_ds1302(0x8e,0x80);
}
/*************把數據從ds1302 RAM讀出來**0-31*************/
uchar read_ds1302ram(uchar add)
{
add <<= 1; //地址是從第二位開始的
add |= 0x01; //把最高位置1 是讀命令
add |= 0xc0; //地址最高兩位為 1
return(read_ds1302(add));
}
/**********************設置ds1302時間函數**********************/
void set_ds1302time(uchar num,uchar *shi,uchar dat) //調時
{
if(num == 1)
{
*shi+=0x01;
if((*shi & 0x0f) >= 0x0a)
*shi = (*shi & 0xf0) + 0x10;
if(*shi >= dat)
*shi = 0;
}
else
{
if(*shi == 0x00)
*shi = dat;
if((*shi & 0x0f) == 0x00)
*shi = (*shi | 0x0a) - 0x10;
*shi -=0x01 ;
}
}
/*************初始化ds1302時間***************/
void init_ds1302()
{
uchar i;
rst = 0; //第一次讀寫數據時要把IO品拿低
clk = 0;
io = 0;
i = read_ds1302ram(30);
if(i != 3)
{
i = 3;
write_ds1302ram(30,i);
write_ds1302(0x8e,0x00); //打開寫保護
for(i=0;i<7;i++)
write_ds1302(write_add[i],init_ds[i]); //把最高位值0 允許ds1302工作
write_ds1302(0x8e,0x80); //關寫保護
}
read_time(); //讀時間
if(miao >= 0x60)
{
write_ds1302(0x8e,0x00); //打開寫保護
write_ds1302(write_add[0],init_ds[0]); //把最高位值0 允許ds1302工作
write_ds1302(0x8e,0x80); //關寫保護
}
}
void init_ds1302_io()
{
rst = 0; //第一次讀寫數據時要把IO品拿低
clk = 0;
io = 0;
}
#include "menu.h"
/*********************對應菜單內的處理函數******************/
void menu_dis()
{
if(menu_1 == 0)
{
if(key_can == 3) //按鍵模擬加里程每按一下加0.1KM
{
distance ++;
if(flag_time_xs != 0)
write_sfm4(1,0,distance); //顯示里程
}
if(key_can == 6) //清零從新計價
{
flag_time_en = 0;
d_shi = 0;
d_fen = 0;
d_miao = 0;
zong_jia = 0;
distance = 0;
}
if(key_can == 1) //時間和等待的時間的切換
{
flag_time_xs ++; //為1顯示當前時間
if(flag_time_xs > 2)
flag_time_xs = 0;
if(flag_time_xs == 0) //顯示時間
{
write_string(1,0," : : W: ");
write_string(2,0," 20 - - ");
}
if(flag_time_xs == 1)//顯示當前時間
{
init_1602_dis_csf();
}
if(flag_time_xs == 2)//顯示等待時間
{
write_string(2,0," ");
}
}
// write_sfm2(1,0,flag_time_xs);
if(key_can == 2) //按鍵模擬控制停車計時
{
flag_time_en = ~flag_time_en;
}
if(flag_200ms == 1)
{
// flag_200ms = 0;
if(distance <= 30)//3公里內的價格
{
if(flag_bai_hei == 0)
{
if(d_fen <= 3)
zong_jia = bai_3l_price;
else
zong_jia = bai_3l_price + (d_shi * 60 + d_fen - 3) * bai_wait_price;
}
else
{
if(d_fen <= 3)
zong_jia = wan_3l_price;
else
zong_jia = wan_3l_price + (d_shi * 60 + d_fen - 3) * wan_wait_price;
}
}else //3公里外的價格
{
if(flag_bai_hei == 0)
{
if(d_fen <= 3)
zong_jia = bai_3l_price + bai_3w_price * (distance - 30) / 10 ;
else
zong_jia = bai_3l_price + bai_3w_price * (distance - 30) / 10 + (d_shi * 60 + d_fen - 3) * bai_wait_price;
}
else
{
if(d_fen <= 3)
zong_jia = wan_3l_price + wan_3w_price * (distance - 30) / 10 ;
else
zong_jia = wan_3l_price + wan_3w_price * (distance - 30) / 10 + (d_shi * 60 + d_fen - 3) * wan_wait_price;
}
}
if(flag_time_xs == 1) //顯示當前的時間
{
write_sfm2_ds1302(2,0,shi); //顯示時
write_data(':');
write_sfm2_ds1302(2,3,fen); //顯示時
write_data(':');
write_sfm2_ds1302(2,6,miao); //顯示秒
write_sfm4(1,10,zong_jia);
write_sfm4(1,0,distance);
if(flag_bai_hei == 0)
write_sfm2_dian(2,9,bai_3w_price);
else
write_sfm2_dian(2,9,wan_3w_price);
write_zifu(1,15,0x5c); //￥
write_zifu(2,12,0x5c); //￥
}
else if(flag_time_xs == 2) //顯示等待時間
{
write_sfm2(2,1,d_fen); //顯示分
write_data(':');
write_sfm2(2,4,d_miao); //顯示秒
write_sfm4(1,10,zong_jia);
write_sfm4(1,0,distance);
if(flag_bai_hei == 0)
write_sfm2_dian(2,9,bai_3w_price); //顯示白天每公里的價格
else
write_sfm2_dian(2,9,wan_3w_price); //顯示晚上每公里的價格
write_zifu(1,15,0x5c); //￥
write_zifu(2,12,0x5c); //￥
}
else //顯示當前的時間
{
write_sfm2_ds1302(1,2,shi); //顯示時
write_sfm2_ds1302(1,5,fen); //顯示分
write_sfm2_ds1302(1,8,miao); //顯示秒
write_sfm1(1,14,week); //顯示星期
write_sfm2_ds1302(2,3,nian); //顯示年
write_sfm2_ds1302(2,6,yue); //顯示月
write_sfm2_ds1302(2,9,ri); //顯示日
}
}
}
}
/*******************停車計時函數 *****************/
void jishu_chashu()
{
if((flag_1s == 1) && (flag_time_en == 1))
{
flag_1s = 0;
d_miao++; //秒鐘加1
if(d_miao >= 60)
{
d_miao = 0;
d_fen ++; //分鐘加1
if(d_fen >= 60)
{
d_fen = 0;
d_shi++;
if(d_shi >= 24)
{
d_shi = 0;
}
}
}
}
}
/*************定時器0初始化程序***************/
void time_init()
{
EA = 1; //開總中斷
TMOD = 0X01; //定時器0、工作方式1
ET0 = 1; //開定時器0中斷
TR0 = 1; //允許定時器0定時
}
/******************主函數*******************/
void main()
{
P0 = P1 = P2 = P3 = 0XFF; //讓IO口全部輸出高電平
init_1602(); //初始化1602液晶
init_1602_dis_csf(); //初始化1602液晶顯示
zidong_chud_shifa_iic();
read_iic_data(); //把保存的數據讀出來
time_init(); //定時器初始化
init_menu(); //菜單程序
init_ds1302_io();
init_ds1302(); //ds1302初始化
while(1)
{
key_can=Key_Scan(); //按鍵程序
menu_dis();
if(key_can < 20)
key_with();
jishu_chashu(); //停車計時函數
if(flag_200ms == 1)
{
flag_200ms = 0;
if(menu_1 == 0)
read_time(); //讀時間
if((shi >= 0x22) || (shi <= 8))
flag_bai_hei = 1; //晚上模式
else
flag_bai_hei = 0; //白天模式
}
}
}
/*************定時器0中斷服務程序***************/
void time0_int() interrupt 1
{
static uchar value;
TH0 = 0x3c;
TL0 = 0xb0; // 50ms
value ++;
if(value % 4 == 0)
flag_200ms = 1;
if(value >= 20)
{
flag_1s = 1;
value = 0;
}
}

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