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#include <reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
typedef bit BOOL;
unsigned int sec = 0,min = 0,aa,tmp;
unsigned char ss,sg,ms,mg,count,count1;
sbit key1 = P0^0; //系統啟動按鍵
sbit key2 = P0^1; //投幣三元按鍵
sbit beep = P3^7; //蜂鳴器，洗衣完成
sbit led1 = P0^2; //等待運行燈
sbit led2 = P0^3; //系統運行燈
sbit led3 = P0^4; //網上預約燈
sbit rs=P0^7;
sbit rw=P0^6;
sbit lcden=P0^5;
char code dis1 []={"Waiting To Run!"};
char code dis2 []={"system running!"};
char code dis3 []={"time remaining:"};
void delay_ms(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void send(unsigned char a) //單字節發送函數
{ //注意：若單片機TXD（P3.1）無上拉能力，必須在P3.1端接上拉電阻
ES =0;
TI=0;
SBUF=a;
while(TI==0);
TI=0;
ES = 1;
}
void send_str(unsigned char *str) //發送字符串函數
{
while(*str != '\0')
send(*str++);
}
void ctrl() //接收處理函數
{
switch(tmp)
{
case '1': //查詢洗衣機是否被預約
if(count1 == 0)
{
send_str(" the system is not running\n! ");
}
else
{
send_str(" the system is running\n! ");
}
break;
case '2': //查詢洗衣機剩余洗衣時間
if(count1 == 0)
{
send_str(" time remaining: 00:00\n");
}
else
{
send_str(" time remaining: \n");
send((unsigned char) 2-ms+'0');
send((unsigned char) 9-mg+'0');
send(':');
send((unsigned char) 5-ss+'0');
send((unsigned char) 9-sg+'0');
send('\n');
}
break;
case '3': //預定洗衣機
led3 = 1;
count1 = 1;
send_str(" the machines is reserved by you!\n");
break;
case '4': //啟動洗衣機
led2 = 1;
led3 = 0;
count = 3;
break;
default:
break;
}
}
void init(void)
{
ES=0; //關中斷
SCON = 0x50; // REN=1允許串行接受狀態，串口工作模式1,
//10位UART（1位起始位，8位數據位，1位停止位，無奇偶校驗），波特率可變
TMOD = 0x21;
TH0 = (65535-50000)/256;
TL0 = (65535-50000)%256;
TH1=TL1=0xFD; // 波特率9600 （本次測試采用晶振為11.0592）
PCON &= 0x7f; // 波特率不倍增
TR1 = 1; //定時器1開始工作，產生波特率
//發送標志位置0
TI=0; //接收標志位置0
RI=0;
ES=1;
EA = 1; //開總中斷
ET0 = 1; //開定時器中斷
}
void write_com(uchar com)
{
rs=0;
lcden=0;
P2=com;
delay_ms(5);
lcden=1;
delay_ms(5);
lcden=0;
}
void write_date(uchar date)
{
rs=1;
lcden=0;
P2=date;
delay_ms(5);
lcden=1;
delay_ms(5);
lcden=0;
}
void lcd_init()
{
rw=0;
lcden=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
}
void write_fm(uchar add,uchar data1,uchar data2)
{
write_com(0x80+0x40+add);
write_date(0x30+data1);
write_date(0x30+data2);
}
void main()
{
char i = 0;
init();
lcd_init();
led1 =1;
led2 =0;
led3 =0;
beep = 0;
key1 = 1;
key2 = 1;
count1 = 0; //0為系統沒有運行；1為系統已經被預定
write_com(0x80);
i=0;
while (dis1 [i]!='\0')
{
write_date(dis1 [i]);
i++;
}
while(key1 == 1)
{
if(count == 3)
{
count = 0;
led2 = 1;
write_com (0x01);
while(1)
{
TR0 = 1; //開啟定時器
ss = sec/10;
sg = sec%10;
ms = min/10;
mg = min%10;
write_com(0x80);
i=0;
while (dis1 [i]!='\0')
{
write_date(dis3 [i]);
i++;
}
write_fm(4,2-ms,9-mg);
write_date(':');
write_fm(7,5-ss,9-sg);
if(ms == 2&&mg == 9&&ss == 5&&sg == 9)
{
ET0 = 0;
TR0 = 0; //關定時器
}
}
}
}
if(key1 == 0)
{
delay_ms(20);
write_com (0x01);
while(key1 != 1)
{
led1 = 0;
write_com(0x80);
i=0;
while (dis2 [i]!='\0')
{
write_date(dis2 [i]);
i++;
}
count1 = 1; //人工投幣
if(key2 == 0)
{
delay_ms(20);
if(key2 == 0)
{
count++;
while(!key2);
}
}
if(count == 3)
{
count = 0;
led2 = 1;
write_com (0x01);
while(1)
{
TR0 = 1; //開啟定時器
ss = sec/10;
sg = sec%10;
ms = min/10;
mg = min%10;
write_com(0x80);
i=0;
while (dis1 [i]!='\0')
{
write_date(dis3 [i]);
i++;
}
write_fm(4,2-ms,9-mg);
write_date(':');
write_fm(7,5-ss,9-sg);
if(ms == 2&&mg == 9&&ss == 5&&sg == 9)
{
ET0 = 0;
TR0 = 0; //關定時器
}
}
}
}
}
}
void timer0() interrupt 1
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