?? main.c
字號:
/********************2008年單片機課程設計之病房呼叫系統*********************/
/***************************自動化05陳海濤***************************/
/********************8051和12864液晶接口電路********************
8051 LCD
數據口：
P0.0 DB0
P0.1 DB1
P0.2 DB2
P0.3 DB3
P0.4 DB4
P0.5 DB5
P0.6 DB6
P0.7 DB7
控制字：
P2.4 CSA //低電平有效
P2.3 CSB //低電平有效
P2.2 RS(DI) //H：Data ， L：Instruction
P2.1 RW //H：Read ， L：Write
P2.0 E //高電平有效
****************************************************************/
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit cs1=P2^3;
sbit cs2=P2^4;
sbit di=P2^2;
sbit rw=P2^1;
sbit e=P2^0;
sbit d1=P1^0;
sbit d2=P1^1;
sbit d3=P1^2;
sbit d4=P1^3;
sbit d5=P1^4;
sbit d6=P1^5;
sbit buzzer=P3^7;
/*********************全局變量定義********************/
uchar room[6]={0,0,0,0,0,0};
uchar bed[6]={0,0,0,0,0,0};
uchar receivedata;
uchar Btime;
uchar Btime1;
/**********************************字符取模********************************************/
/*-- 文字: 房 --*/
/*-- Times New Roman12; 此字體下對應的點陣為：寬x高=16x16 --*/
uchar code fang[32]={0x00,0x00,0xFC,0x94,0x94,0x94,0x94,0x95,0xB6,0xD4,0x94,0x94,0x94,0x9C,0x80,0x00,
0x40,0x30,0x0F,0x80,0x40,0x30,0x0F,0x04,0x04,0x44,0x84,0x44,0x3C,0x00,0x00,0x00};
/*-- 文字: 間 --*/
/*-- Times New Roman12; 此字體下對應的點陣為：寬x高=16x16 --*/
uchar code jian[32]={0x00,0xF8,0x01,0x06,0x00,0xF0,0x92,0x92,0x92,0x92,0xF2,0x02,0x02,0xFE,0x00,0x00,
0x00,0xFF,0x00,0x00,0x00,0x07,0x04,0x04,0x04,0x04,0x07,0x40,0x80,0x7F,0x00,0x00};
/*-- 文字: 床 --*/
/*-- Times New Roman12; 此字體下對應的點陣為：寬x高=16x16 --*/
uchar code chuang[32]={0x00,0x00,0xFC,0x44,0x44,0x44,0x44,0xC5,0xFE,0x44,0x44,0x44,0x44,0x44,0x04,0x00,
0x80,0x60,0x1F,0x40,0x20,0x18,0x06,0x01,0xFF,0x01,0x02,0x04,0x08,0x30,0x10,0x00};
/*-- 文字: 號 --*/
/*-- Times New Roman12; 此字體下對應的點陣為：寬x高=16x16 --*/
uchar code hao[32]={0x40,0x40,0x40,0x5F,0xD1,0x51,0x51,0x51,0x51,0x51,0x51,0x5F,0x40,0x40,0x40,0x00,
0x00,0x00,0x00,0x02,0x07,0x02,0x02,0x22,0x42,0x82,0x42,0x3E,0x00,0x00,0x00,0x00};
/*--0--9數字--*/
/*-- Times New Roman12; 此字體下對應的點陣為：寬x高=8x16 --*/
uchar code shu[10][16]={{0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00},
{0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},
{0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00},
{0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00},
{0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00},
{0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00},
{0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00},
{0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00},
{0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00},
{0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00}};
/**********************延時函數************************/
void delay(uint num)
{
while(num--) ;
}
/*************************寫LCD函數********************************/
void lw(uchar x,uchar y,uchar dd)
{
if (x<64)
{
cs1=cs2=0;
di=rw=0;cs1=1;cs2=0;P0=0xb8|y;e=1;delay(2);e=0;delay(2);
di=rw=0;cs1=1;cs2=0;P0=0x40|x;e=1;delay(2);e=0;delay(2);
di=1;rw=0;cs1=1;cs2=0;P0=dd;e=1;delay(2);e=0;delay(2);
}
else
{
cs1=cs2=0;x=x-64;
di=rw=0;cs1=0;cs2=1;P0=0xb8|y;e=1;delay(2);e=0;delay(2);
di=rw=0;cs1=0;cs2=1;P0=0x40|x;e=1;delay(2);e=0;delay(2);
di=1;rw=0;cs1=0;cs2=1;P0=dd;e=1;delay(2);e=0;delay(2);
cs1=cs2=1;
}
}
/************************LCD初始化*************************/
void lcd_init(void) {
uchar x,y;
e=di=rw=0;
cs1=cs2=1;
cs1=0;cs2=1;
di=rw=0;P0=0x3f;e=1;delay(2);e=0;delay(2);
cs1=0;cs2=1;
di=rw=0;P0=0xc0;e=1;delay(2);e=0;delay(2);
cs1=cs2=0;
cs1=1;cs2=0;
di=rw=0;P0=0x3f;e=1;delay(2);e=0;delay(2);
cs1=1;cs2=0;
di=rw=0;P0=0xc0;e=1;delay(2);e=0;delay(2);
cs1=cs2=0;
for (y=0;y<8;y++) {
for (x=0;x<128;x++) lw(x,y,0);
}
}
/***************寫16*16分辨率漢字************/
void write_chinese(x,y,array)
uchar x,y;
uchar array[];
{
uchar j,dd;
for(j=0;j<32;j++)
{
dd=array[j];
if(j<16) lw(x+j,y,dd);
else lw(x+j-16,y+1,dd);
}
}
/***************寫8*16分辨率字母，數字**********/
void write_english(x,y,array)
uchar x,y;
uchar array[];
{
uchar j,dd;
for(j=0;j<16;j++)
{
dd=array[j];
if(j<8) lw(x+j,y,dd);
else lw(x+j-8,y+1,dd);
}
}
/*******************顯示函數****************/
void display0(void) //顯示漢字“房間床號”
{
write_chinese(0,0,fang);
write_chinese(16,0,jian);
write_chinese(32,0,chuang);
write_chinese(48,0,hao);
write_chinese(64,0,fang);
write_chinese(80,0,jian);
write_chinese(96,0,chuang);
write_chinese(112,0,hao);
}
void display1(void) //顯示具體的房間號和床號
{
write_english(8,2,shu[room[0]/10]);write_english(16,2,shu[room[0]%10]);write_english(40,2,shu[bed[0]/10]);write_english(48,2,shu[bed[0]%10]);
write_english(72,2,shu[room[1]/10]);write_english(80,2,shu[room[1]%10]);write_english(104,2,shu[bed[1]/10]);write_english(112,2,shu[bed[1]%10]);
write_english(8,4,shu[room[2]/10]);write_english(16,4,shu[room[2]%10]);write_english(40,4,shu[bed[2]/10]);write_english(48,4,shu[bed[2]%10]);
write_english(72,4,shu[room[3]/10]);write_english(80,4,shu[room[3]%10]);write_english(104,4,shu[bed[3]/10]);write_english(112,4,shu[bed[3]%10]);
write_english(8,6,shu[room[4]/10]);write_english(16,6,shu[room[4]%10]);write_english(40,6,shu[bed[4]/10]);write_english(48,6,shu[bed[4]%10]);
write_english(72,6,shu[room[5]/10]);write_english(80,6,shu[room[5]%10]);write_english(104,6,shu[bed[5]/10]);write_english(112,6,shu[bed[5]%10]);
}
/*******************串口設置********************/
void UART_init()
{
TMOD=0x21;//設置波特率為9600的定時器1方式和初始 PCON=0x00;
SCON=0x50;//設置串行口方式
IP=0x10;
TH1=0xfd;//定時器初值
TL1=0xfd;
TH0=(65536-8333)/256;
TL0=(65536-8333)%256;
TCON=0x40;
IE=0x92;
TR0=0;
}
/***************發送回執****************/
void send(void)
{
SBUF=0x55;
while(TI==0);
TI=0;
}
/*****************數據處理保存********************/
void datadeal(void)
{
uchar roomdata,beddata;
roomdata=receivedata&0xf0;
roomdata=roomdata>>4;
beddata=receivedata&0x0f;
if(room[0]==0){room[0]=roomdata;}
else if(room[1]==0){room[1]=roomdata;}
else if(room[2]==0){room[2]=roomdata;}
else if(room[3]==0){room[3]=roomdata;}
else if(room[4]==0){room[4]=roomdata;}
else if(room[5]==0){room[5]=roomdata;}
if(bed[0]==0){bed[0]=beddata;}
else if(bed[1]==0){bed[1]=beddata;}
else if(bed[2]==0){bed[2]=beddata;}
else if(bed[3]==0){bed[3]=beddata;}
else if(bed[4]==0){bed[4]=beddata;}
else if(bed[5]==0){bed[5]=beddata;}
}
/***************接受數據********************/
void receive() interrupt 4 using 1
{
while(RI==0);
RI=0;
receivedata=SBUF;
datadeal();
send();
TR0=1;
buzzer=0;
}
void time0() interrupt 1 using 2
{
TH0=(65536-8333)/256;
TL0=(65536-8333)%256;
Btime1++;
if(Btime1>100)
{
buzzer=!buzzer;
Btime1=0;
Btime++;
}
}
void key(void)
{
uchar i;
P1=0xff;
if(P1!=0xff)
{
delay(10);
if(P1!=0xff)
{
i=P1;
switch(i)
{
case 0xfe:room[0]=0;bed[0]=0;break;
case 0xfd:room[1]=0;bed[1]=0;break;
case 0xfb:room[2]=0;bed[2]=0;break;
case 0xf7:room[3]=0;bed[3]=0;break;
case 0xef:room[4]=0;bed[4]=0;break;
case 0xdf:room[5]=0;bed[5]=0;break;
default: break;
}
while(P1!=0xff);
}
}
}
void main(void)
{
UART_init();
lcd_init();
for(;;)
{
key();
display0();
display1();
if(Btime>4){Btime=0;TR0=0;}
}
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