单片机计程车计价器程序+Proteus仿真 -

#include <reg52.h> //调用单片机头文件
#define uchar unsigned char //无符号字符型宏定义变量范围0~255
#define uint unsigned int //无符号整型宏定义变量范围0~65535
uchar d_miao,d_fen = 0,d_shi;
uchar flag_bai_hei; //白天的晚上的标志位
uchar value;
uint bai_3l_price = 60; //白天3千米内的单价 6元
uint bai_3w_price = 18; //白天3千米外的单价/千米 1.8元
uint bai_wait_price = 5; //白天等待时的单价/分钟 0.5元
uint wan_3l_price = 70; //晚上3千米内的单价/千米 7元
uint wan_3w_price = 22; //晚上3千米外的单价/千米 2.2元
uint wan_wait_price = 10; //晚上等待时的单价/分钟 1元
uint distance = 0; //行使的距离
uint zong_jia; //总的价
bit flag_200ms = 0;
bit flag_1s ;
bit flag_time_en = 0;
uchar flag_time_xs = 1; //显示时间和等待时间切换
uchar i;
sbit clk = P2^0; //ds1302时钟线定义
sbit io = P2^1; //数据线
sbit rst = P2^2; //复位线
//秒分时日月年星期
uchar code write_add[]={0x80,0x82,0x84,0x86,0x88,0x8c,0x8a}; //写地址
uchar code read_add[] ={0x81,0x83,0x85,0x87,0x89,0x8d,0x8b}; //读地址
uchar code init_ds[] ={0x55,0x17,0x15,0x01,0x01,0x13,0x13};
uchar idata miao,fen,shi,ri,yue,week,nian;
#include "lcd1602.h"
/***********************1ms延时函数*****************************/
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); //保存数据
delay_1ms(10);
write_24c02(2,bai_3l_price / 256); //保存数据
delay_1ms(10);
write_24c02(3,bai_3w_price % 256); //保存数据
delay_1ms(10);
write_24c02(4,bai_3w_price / 256); //保存数据
delay_1ms(10);
write_24c02(5,bai_wait_price % 256); //保存数据
delay_1ms(10);
write_24c02(6,bai_wait_price / 256); //保存数据
delay_1ms(10);
write_24c02(7,wan_3l_price % 256); //保存数据
delay_1ms(10);
write_24c02(8,wan_3l_price / 256); //保存数据
delay_1ms(10);
write_24c02(9,wan_3w_price % 256); //保存数据
delay_1ms(10);
write_24c02(10,wan_3w_price / 256); //保存数据
delay_1ms(10);
write_24c02(11,wan_wait_price % 256); //保存数据
delay_1ms(10);
write_24c02(12,wan_wait_price / 256); //保存数据
delay_1ms(10);
}
/****************自动初始化保存的数据*******************/
void zidong_chud_shifa_iic()
{
static uchar value;
// value = read_24c02(100);
value = read_24c02(100);
if(value != 47) //新的单片机初始单片机内问EEPOM
{
value = 47;
bai_3l_price = 60; //白天3千米内的单价 6元
bai_3w_price = 18; //白天3千米外的单价/千米 1.8元
bai_wait_price = 5; //白天等待时的单价/分钟 0.5元
wan_3l_price = 70; //晚上3千米内的单价/千米 7元
wan_3w_price = 22; //晚上3千米外的单价/千米 2.2元
wan_wait_price = 10; //晚上等待时的单价/分钟 1元
write_iic_data();
write_24c02(100,value); //保存数据
}
delay_1ms(500);
}
/****************读出来保存的数据**********************/
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);
}
/****************独立按键处理函数************************/
uchar key_can;
//按键处理函数
sbit Key1 = P3^4;//时间清零/确定
sbit Key2 = P3^2;//减小
sbit Key3 = P3^0;//路程增加
sbit Key4 = P1^7;//增加
sbit Key5 = P1^3;//设置
sbit Key6 = P1^5;//路程清零
//返回按键值
//mode:0,不支持连续按;1,支持连续按;
//0，没有任何按键按下
//1，KEY0按下
//2，KEY1按下
//3，KEY2按下
//4，KEY3按下 WK_UP
//注意此函数有响应优先级,KEY0>KEY1>KEY2>KEY3!!
//========================================================================
// 函数: uchar Key_Scan()
// 应用: temp=uchar Key_Scan();
// 描述: 按键扫描并返回按下的键值
// 参数: NONE
// 返回: 按下的键值
// 版本: VER1.0
// 日期: 2015-05-29
// 备注: 该函数带松手检测,按下键返回一次键值后返回0,直至第二次按键按下
//========================================================================
uchar Key_Scan()
{
static uchar key_up=1;//按键按松开标志
if(key_up&&(Key1==0||Key2==0||Key3==0||Key4==0||Key5==0||Key6==0))
{
delay_1ms(10);//去抖动
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;// 无按键按下
}
/*************写一个数据到对应的地址里***************/
void write_ds1302(uchar add,uchar dat)
{
rst = 1; //把复位线拿高
for(i=0;i<8;i++)
{ //低位在前
clk = 0; //时钟线拿低开始写数据
io = add & 0x01;
add >>= 1; //把地址右移一位
clk = 1; //时钟线拿高
}
for(i=0;i<8;i++)
{
clk = 0; //时钟线拿低开始写数据
io = dat & 0x01;
dat >>= 1; //把数据右移一位
clk = 1; //时钟线拿高
}
rst = 0; //复位线合低
clk = 0;
io = 0;
}
/*************从对应的地址读一个数据出来***************/
uchar read_ds1302(uchar add)
{
uchar value,i;
rst = 1; //把复位线拿高
for(i=0;i<8;i++)
{ //低位在前
clk = 0; //时钟线拿低开始写数据
io = add & 0x01;
add >>= 1; //把地址右移一位
clk = 1; //时钟线拿高
}
for(i=0;i<8;i++)
{
clk = 0; //时钟线拿低开始读数据
value >>= 1;
if(io == 1)
value |= 0x80;
clk = 1; //时钟线拿高
}
rst = 0; //复位线合低
clk = 0;
io = 0;
return value; //返回读出来的数据
}
/*************把要的时间年月日都读出来***************/
void read_time()
{
miao = read_ds1302(read_add[0]); //读秒
fen = read_ds1302(read_add[1]); //读分
shi = read_ds1302(read_add[2]); //读时
ri = read_ds1302(read_add[3]); //读日
yue = read_ds1302(read_add[4]); //读月
nian = read_ds1302(read_add[5]); //读年
week = read_ds1302(read_add[6]); //读星期
}
/*************把要写的时间年月日都写入ds1302里***************/
void write_time()
{
write_ds1302(0x8e,0x00); //打开写保护
write_ds1302(write_add[0],miao); //写秒
write_ds1302(write_add[1],fen); //写分
write_ds1302(write_add[2],shi); //写时
write_ds1302(write_add[3],ri); //写日
write_ds1302(write_add[4],yue); //写月
write_ds1302(write_add[5],nian); //写星期
write_ds1302(write_add[6],week); //写年
write_ds1302(0x8e,0x80); //关闭写保护
}
/*************把数据保存到ds1302 RAM中**0-31*************/
void write_ds1302ram(uchar add,uchar dat)
{
add <<= 1; //地址是从第二位开始的
add &= 0xfe; //把最低位清零是写的命令
add |= 0xc0; //地址最高两位为 1
write_ds1302(0x8e,0x00);
write_ds1302(add,dat);
write_ds1302(0x8e,0x80);
}
/*************把数据从ds1302 RAM读出来**0-31*************/
uchar read_ds1302ram(uchar add)
{
add <<= 1; //地址是从第二位开始的
add |= 0x01; //把最高位置1 是读命令
add |= 0xc0; //地址最高两位为 1
return(read_ds1302(add));
}
/**********************设置ds1302时间函数**********************/
void set_ds1302time(uchar num,uchar *shi,uchar dat) //调时
{
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时间***************/
void init_ds1302()
{
uchar i;
rst = 0; //第一次读写数据时要把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); //打开写保护
for(i=0;i<7;i++)
write_ds1302(write_add[i],init_ds[i]); //把最高位值0 允许ds1302工作
write_ds1302(0x8e,0x80); //关写保护
}
read_time(); //读时间
if(miao >= 0x60)
{
write_ds1302(0x8e,0x00); //打开写保护
write_ds1302(write_add[0],init_ds[0]); //把最高位值0 允许ds1302工作
write_ds1302(0x8e,0x80); //关写保护
}
}
void init_ds1302_io()
{
rst = 0; //第一次读写数据时要把IO品拿低
clk = 0;
io = 0;
}
#include "menu.h"
/*********************对应菜单内的处理函数******************/
void menu_dis()
{
if(menu_1 == 0)
{
if(key_can == 3) //按键模拟加里程每按一下加0.1KM
{
distance ++;
if(flag_time_xs != 0)
write_sfm4(1,0,distance); //显示里程
}
if(key_can == 6) //清零从新计价
{
flag_time_en = 0;
d_shi = 0;
d_fen = 0;
d_miao = 0;
zong_jia = 0;
distance = 0;
}
if(key_can == 1) //时间和等待的时间的切换
{
flag_time_xs ++; //为1显示当前时间
if(flag_time_xs > 2)
flag_time_xs = 0;
if(flag_time_xs == 0) //显示时间
{
write_string(1,0," : : W: ");
write_string(2,0," 20 - - ");
}
if(flag_time_xs == 1)//显示当前时间
{
init_1602_dis_csf();
}
if(flag_time_xs == 2)//显示等待时间
{
write_string(2,0," ");
}
}
// write_sfm2(1,0,flag_time_xs);
if(key_can == 2) //按键模拟控制停车计时
{
flag_time_en = ~flag_time_en;
}
if(flag_200ms == 1)
{
// flag_200ms = 0;
if(distance <= 30)//3公里内的价格
{
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公里外的价格
{
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) //显示当前的时间
{
write_sfm2_ds1302(2,0,shi); //显示时
write_data(':');
write_sfm2_ds1302(2,3,fen); //显示时
write_data(':');
write_sfm2_ds1302(2,6,miao); //显示秒
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) //显示等待时间
{
write_sfm2(2,1,d_fen); //显示分
write_data(':');
write_sfm2(2,4,d_miao); //显示秒
write_sfm4(1,10,zong_jia);
write_sfm4(1,0,distance);
if(flag_bai_hei == 0)
write_sfm2_dian(2,9,bai_3w_price); //显示白天每公里的价格
else
write_sfm2_dian(2,9,wan_3w_price); //显示晚上每公里的价格
write_zifu(1,15,0x5c); //￥
write_zifu(2,12,0x5c); //￥
}
else //显示当前的时间
{
write_sfm2_ds1302(1,2,shi); //显示时
write_sfm2_ds1302(1,5,fen); //显示分
write_sfm2_ds1302(1,8,miao); //显示秒
write_sfm1(1,14,week); //显示星期
write_sfm2_ds1302(2,3,nian); //显示年
write_sfm2_ds1302(2,6,yue); //显示月
write_sfm2_ds1302(2,9,ri); //显示日
}
}
}
}
/*******************停车计时函数 *****************/
void jishu_chashu()
{
if((flag_1s == 1) && (flag_time_en == 1))
{
flag_1s = 0;
d_miao++; //秒钟加1
if(d_miao >= 60)
{
d_miao = 0;
d_fen ++; //分钟加1
if(d_fen >= 60)
{
d_fen = 0;
d_shi++;
if(d_shi >= 24)
{
d_shi = 0;
}
}
}
}
}
/*************定时器0初始化程序***************/
void time_init()
{
EA = 1; //开总中断
TMOD = 0X01; //定时器0、工作方式1
ET0 = 1; //开定时器0中断
TR0 = 1; //允许定时器0定时
}
/******************主函数*******************/
void main()
{
P0 = P1 = P2 = P3 = 0XFF; //让IO口全部输出高电平
init_1602(); //初始化1602液晶
init_1602_dis_csf(); //初始化1602液晶显示
zidong_chud_shifa_iic();
read_iic_data(); //把保存的数据读出来
time_init(); //定时器初始化
init_menu(); //菜单程序
init_ds1302_io();
init_ds1302(); //ds1302初始化
while(1)
{
key_can=Key_Scan(); //按键程序
menu_dis();
if(key_can < 20)
key_with();
jishu_chashu(); //停车计时函数
if(flag_200ms == 1)
{
flag_200ms = 0;
if(menu_1 == 0)
read_time(); //读时间
if((shi >= 0x22) || (shi <= 8))
flag_bai_hei = 1; //晚上模式
else
flag_bai_hei = 0; //白天模式
}
}
}
/*************定时器0中断服务程序***************/
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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