仿真原理图如下(proteus仿真工程文件可到本帖附件中下载)
1、下行控制报站:首先按下(下行设置按键),(下行指示灯)亮,然后按下(手动播报)按键控制播报下一站
2、上行控制报站:首先按上(上行设置按键),(上行指示灯)亮,然后按下(手动播报)按键控制播报下一站
3、按下关闭播报按键,则关闭播报功能和清除显示
单片机源程序如下:
#include <reg51.h>
#define uint unsigned int
#define uchar unsigned char
#include "value.h"
sbit x_key=P1^3;
sbit s_key=P1^4;
sbit bz_key=P1^5;
sbit gb_key=P1^6;
sbit x_LED=P2^6;
sbit s_LED=P2^7;
uchar x_mode,s_mode;
uchar x_num,s_num;
bit flag_200ms = 1;
uchar flag_c_en;
bit flag_100ms;
sbit dq=P3^2; //18b20 IO口的定义
uint temperature ; //温度变量
/************ 延时函数 *****************/
void delay_uint(uint z)
{
while(z--);
}
/********************************************************************
* 名称 : delay_1ms()
* 功能 : 延时1ms函数
* 输入 : q
* 输出 : 无
***********************************************************************/
void delay_1ms(uint q)
{
uint i,j;
for(i=0;i<q;i++)
for(j=0;j<115;j++);
}
uchar dis_lcd[10];
#include "lcd12864bu.h"
/******************显示时间函数***************************/
void dis_shijian() //显示时间
{
write_shu16(0,0*8,shi,0);
write_shuzi(1,0*2,2*8,fuhao[1],0);
write_shu16(0,3*8,fen,0);
write_shuzi(1,0*2,5*8,fuhao[1],0);
write_shu16(0,6*8,miao,0);
write_yhanzi(2,0,5*16,qita[6]); //星期
//write_shu16(0,14*8,week,0);
if(week==0)
{
write_yhanzi(1,0,7*16,xingqi[6]);
}
if(week==1)
{
write_yhanzi(1,0,7*16,xingqi[1]);
}
if(week==2)
{
write_yhanzi(1,0,7*16,xingqi[2]);
}
if(week==3)
{
write_yhanzi(1,0,7*16,xingqi[3]);
}
if(week==4)
{
write_yhanzi(1,0,7*16,xingqi[4]);
}
if(week==5)
{
write_yhanzi(1,0,7*16,xingqi[5]);
}
if(week==6)
{
write_yhanzi(1,0,7*16,xingqi[6]);
}
write_shu16(1*2,0*8,0x20,0);
write_shu16(1*2,2*8,nian,0);
write_shuzi(1,1*2,4*8,fuhao[0],0);
write_shu16(1*2,5*8,yue,0);
write_shuzi(1,1*2,7*8,fuhao[0],0);
write_shu16(1*2,8*8,ri,0);
write_shu18b20(1*2,12*8,temperature,0);
write_shuzi(1,1*2,14*8,dian,0);
}
/************初始化显示*****************/
void init_12864_dis() //初始化显示
{
cs1=1; //左屏开显示
cs2=0;
dis_shijian(); //显示时间
}
全部资料51hei下载地址:
公交站播报.zip
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