LCD12864万年历单片机程序+实物制作+Proteus仿真

2019-11-29 来源：51hei

制作出来的LCD12864万年历实物图如下：

LCD12864万年历仿真原理图如下（proteus仿真工程文件可到本帖附件中下载）

电路原理图如下：

单片机源程序如下:

*-----------------------------------------------

名称：12864字库液晶显示

内容：通过显示字符、数字、汉字和图片测试液晶基本功能

------------------------------------------------*/

#include

#include 'delay.h'

sbit RS = P3^5;

sbit RW = P3^6;

sbit E = P3^4;

sbit RES = P1^7;

sbit PSB = P1^6;

sbit beep = P2^3;

#define DataPort P0 //MCU P0<------> LCM

typedef unsigned char U8; /* defined for unsigned 8-bits integer variable 无符号8位整型变量 */

typedef signed char S8; /* defined for signed 8-bits integer variable 有符号8位整型变量 */

typedef unsigned int U16; /* defined for unsigned 16-bits integer variable 无符号16位整型变量 */

typedef signed int S16; /* defined for signed 16-bits integer variable 有符号16位整型变量 */

typedef unsigned long U32; /* defined for unsigned 32-bits integer variable 无符号32位整型变量 */

typedef signed long S32; /* defined for signed 32-bits integer variable 有符号32位整型变量 */

typedef float F32; /* single precision floating point variable (32bits) 单精度浮点数（32位长度） */

typedef double F64; /* double precision floating point variable (64bits) 双精度浮点数（64位长度） */

#define uchar unsigned char

#define uint unsigned int

#define Data_0_time 4

//----------------------------------------------//

//----------------IO口定义区--------------------//

//----------------------------------------------//

sbit P2_0 = P2^0 ;

//----------------------------------------------//

//----------------定义区--------------------//

//----------------------------------------------//

U8 U8FLAG,k;

U8 U8count,U8temp;

U8 U8T_data_H,U8T_data_L,U8RH_data_H,U8RH_data_L,U8checkdata;

U8 U8comdata;

U8 count;

U8 flag;

U8 jishi_flag = 0,count_up = 0;

unsigned char count=0,ss=0,sg=0,fs=0,fg=0,ms=0,mg=0,m=0,f=0,s=0,yue=1,ri=1;

unsigned char str1[]={'温度:00 '},str2[2],str3[]={'湿度:00%'},str4[2],dat=1,cal[10]={'0001-01-01'};

#define uchar unsigned char

#define uint unsigned int

//DS1302引脚定义

sbit RST=P1^0;

sbit IO=P1^1;

sbit SCK=P1^2;

//DS1302地址定义

#define ds1302_sec_add 0x80 //秒数据地址

#define ds1302_min_add 0x82 //分数据地址

#define ds1302_hr_add 0x84 //时数据地址

#define ds1302_date_add 0x86 //日数据地址

#define ds1302_month_add 0x88 //月数据地址

#define ds1302_day_add 0x8a //星期数据地址

#define ds1302_year_add 0x8c //年数据地址

#define ds1302_control_add 0x8e //控制数据地址

#define ds1302_charger_add 0x90

#define ds1302_clkburst_add 0xbe

//初始时间定义

uchar time_buf[8] = {0x20,0x16,0x12,0x31,0x22,0x16,0x00,0x06};

void Delay18ms() //@11.0592MHz

{

unsigned char i, j, k;

_nop_();

i = 1;

j = 194;

k = 159;

{

while (--k);

} while (--j);

} while (--i);

}

void Delay10us() //@11.0592MHz

{

unsigned char i;

_nop_();

i = 24;

while (--i);

}

//DS1302初始化函数

void ds1302_init(void)

{

RST=0; //RST脚置低

SCK=0; //SCK脚置低

}

//向DS1302写入一字节数据

void ds1302_write_byte(uchar addr, uchar d)

{

uchar i;

RST=1; //启动DS1302总线

//写入目标地址：addr

addr = addr & 0xFE; //最低位置零，寄存器0位为0时写，为1时读

for (i = 0; i < 8; i ++) {

if (addr & 0x01) {

IO=1;

}

else {

IO=0;

}

SCK=1; //产生时钟

SCK=0;

addr = addr >> 1;

}

//写入数据：d

for (i = 0; i < 8; i ++) {

if (d & 0x01) {

IO=1;

}

else {

IO=0;

}

SCK=1; //产生时钟

SCK=0;

d = d >> 1;

}

RST=0; //停止DS1302总线

}

//从DS1302读出一字节数据

uchar ds1302_read_byte(uchar addr) {

uchar i,temp;

RST=1; //启动DS1302总线

//写入目标地址：addr

addr = addr | 0x01; //最低位置高，寄存器0位为0时写，为1时读

for (i = 0; i < 8; i ++) {

if (addr & 0x01) {

IO=1;

_nop_();

}

else {

IO=0;

_nop_();

}

SCK=1;

SCK=0;

addr = addr >> 1;

}

//输出数据：temp

for (i = 0; i < 8; i ++) {

temp = temp >> 1;

if (IO) {

temp |= 0x80;

}

else {

temp &= 0x7F;

}

SCK=1;

_nop_();

SCK=0;

_nop_();

}

RST=0; //停止DS1302总线

_nop_();

return temp;

}

//向DS302写入时钟数据

void ds1302_write_time(void)

{

ds1302_write_byte(ds1302_control_add,0x00); //关闭写保护

ds1302_write_byte(ds1302_sec_add,0x80); //暂停时钟

//ds1302_write_byte(ds1302_charger_add,0xa9); //涓流充电

ds1302_write_byte(ds1302_year_add,time_buf[1]); //年

ds1302_write_byte(ds1302_month_add,time_buf[2]); //月

ds1302_write_byte(ds1302_date_add,time_buf[3]); //日

ds1302_write_byte(ds1302_hr_add,time_buf[4]); //时

ds1302_write_byte(ds1302_min_add,time_buf[5]); //分

ds1302_write_byte(ds1302_sec_add,time_buf[6]); //秒

ds1302_write_byte(ds1302_day_add,time_buf[7]); //周

ds1302_write_byte(0xc0,0xaa);

ds1302_write_byte(ds1302_control_add,0x80); //打开写保护

}

//从DS302读出时钟数据

void ds1302_read_time(void)

{

time_buf[1]=ds1302_read_byte(ds1302_year_add); //年

time_buf[2]=ds1302_read_byte(ds1302_month_add); //月

time_buf[3]=ds1302_read_byte(ds1302_date_add); //日

time_buf[4]=ds1302_read_byte(ds1302_hr_add); //时

time_buf[5]=(ds1302_read_byte(ds1302_min_add)); //分

time_buf[6]=(ds1302_read_byte(ds1302_sec_add))&0x3f;//秒，屏蔽秒的第7位，避免超出59

time_buf[7]=ds1302_read_byte(ds1302_day_add); //周

}

void COM(void)

{

U8 i;

for(i=0;i<8;i++)

{

U8FLAG=2;

while((!P2_0)&&U8FLAG++);

Delay10us();

U8temp=0;

if(P2_0)U8temp=1;

U8FLAG=2;

while((P2_0)&&U8FLAG++);

//超时则跳出for循环

if(U8FLAG==1)break;

//判断数据位是0还是1

// 如果高电平高过预定0高电平值则数据位为 1

U8comdata<<=1;

U8comdata|=U8temp; //0

}//rof

}

//--------------------------------

//-----湿度读取子程序 ------------

//--------------------------------

//----以下变量均为全局变量--------

//----温度高8位== U8T_data_H------

//----温度低8位== U8T_data_L------

//----湿度高8位== U8RH_data_H-----

//----湿度低8位== U8RH_data_L-----

//----校验 8位 == U8checkdata-----

//----调用相关子程序如下----------

//---- Delay();, Delay_10us();,COM();

//--------------------------------

void RH(void)

{

//主机拉低18ms

P2_0=0;

Delay18ms();

P2_0=1;

//总线由上拉电阻拉高主机延时20us

Delay10us();

//主机设为输入判断从机响应信号

P2_0=1;

//判断从机是否有低电平响应信号如不响应则跳出，响应则向下运行

if(!P2_0) //T !

{

U8FLAG=2;

//判断从机是否发出 80us 的低电平响应信号是否结束

while((!P2_0)&&U8FLAG++);

U8FLAG=2;

//判断从机是否发出 80us 的高电平，如发出则进入数据接收状态

while((P2_0)&&U8FLAG++);

//数据接收状态

COM();

U8RH_data_H=U8comdata;

COM();

U8RH_data_L=U8comdata;

COM();

U8T_data_H=U8comdata;

COM();

U8T_data_L=U8comdata;

COM();

U8checkdata=U8comdata;

P2_0=1;

}//fi

}

unsigned char code user16x16[]={ //笑脸图片

0x0F,0xF0,0x10,0x08,0x20,0x04,0x40,0x02,0x9C,0x39,0xBE,0x7D,0x80,0x01,0x80,0x01,

0x80,0x01,0x88,0x11,0x84,0x21,0x43,0xC2,0x20,0x04,0x10,0x08,0x0F,0xF0,0x00,0x00,

};

unsigned char code pic1[]= // 图片代码

{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00

};

unsigned char code num[11][64]={

{// 图片数字0

0x00,0x00,0x3F,0xFC,0x5F,0xFA,0x6F,0xF6,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,

0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x60,0x06,0x40,0x02,0x00,0x00,

0x40,0x02,0x60,0x06,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,

0x70,0x0E,0x70,0x0E,0x70,0x0E,0x6F,0xF6,0x5F,0xFA,0x3F,0xFC,0x00,0x00,0x00,0x00},

{// 图片数字1

0x00,0x00,0x00,0x20,0x00,0x60,0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0xE0,

0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0x60,0x00,0x20,0x00,0x00,0x00,0x20,

0x00,0x60,0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0xE0,

0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0x60,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00},

{// 图片数字2

0x00,0x00,0x3F,0xFC,0x1F,0xFA,0x0F,0xF6,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,

0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x06,0x1F,0xFA,0x3F,0xFC,

0x5F,0xF8,0x60,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,

0x70,0x00,0x70,0x00,0x70,0x00,0x6F,0xF8,0x5F,0xFC,0x3F,0xFE,0x00,0x00,0x00,0x00},

{// 图片数字3

0x00,0x00,0x3F,0xFC,0x1F,0xFA,0x0F,0xF6,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,

0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x06,0x1F,0xFA,0x3F,0xFC,

0x1F,0xFA,0x00,0x06,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,

0x00,0x0E,0x00,0x0E,0x00,0x0E,0x0F,0xF6,0x1F,0xFA,0x3F,0xFC,0x00,0x00,0x00,0x00},

{// 图片数字4

0x00,0x00,0x40,0x02,0x60,0x06,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,

0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x60,0x06,0x5F,0xFA,0x3F,0xFC,

0x1F,0xFA,0x00,0x06,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,

0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x06,0x00,0x02,0x00,0x00,0x00,0x00},

{// 图片数字5

0x00,0x00,0x3F,0xFC,0x5F,0xF8,0x6F,0xF0,0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,

0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x60,0x00,0x5F,0xF8,0x3F,0xFC,

0x1F,0xFA,0x00,0x06,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,

0x00,0x0E,0x00,0x0E,0x00,0x0E,0x0F,0xF6,0x1F,0xFA,0x3F,0xFC,0x00,0x00,0x00,0x00},

{// 图片数字6

0x00,0x00,0x3F,0xFC,0x5F,0xF8,0x6F,0xF0,0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,

0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x60,0x00,0x5F,0xF8,0x3F,0xFC,

0x5F,0xFA,0x60,0x06,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,

0x70,0x0E,0x70,0x0E,0x70,0x0E,0x6F,0xF6,0x5F,0xFA,0x3F,0xFC,0x00,0x00,0x00,0x00},

{// 图片数字7

0x00,0x00,0x3F,0xFC,0x1F,0xFA,0x0F,0xF6,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,

0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x06,0x00,0x02,0x00,0x00,

0x00,0x02,0x00,0x06,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,

0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x06,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00},

{// 图片数字8

0x00,0x00,0x3F,0xFC,0x5F,0xFA,0x6F,0xF6,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,

0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x60,0x06,0x5F,0xFA,0x3F,0xFC,

0x5F,0xFA,0x60,0x06,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,

0x70,0x0E,0x70,0x0E,0x70,0x0E,0x6F,0xF6,0x5F,0xFA,0x3F,0xFC,0x00,0x00,0x00,0x00},

{// 图片数字9

0x00,0x00,0x3F,0xFC,0x5F,0xFA,0x6F,0xF6,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,

0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x70,0x0E,0x60,0x06,0x5F,0xFA,0x3F,0xFC,

0x1F,0xFA,0x00,0x06,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,0x00,0x0E,

0x00,0x0E,0x00,0x0E,0x00,0x0E,0x1F,0xF6,0x3F,0xFA,0x7F,0xFC,0x00,0x00,0x00,0x00},

{// 图片':' 10

//6X6方点

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xE0,0x07,0xE0,

0x07,0xE0,0x07,0xE0,0x07,0xE0,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xE0,0x07,0xE0,0x07,0xE0,0x07,0xE0,

0x07,0xE0,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}

};

unsigned char code kongbai[]=

{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00

};

/*------------------------------------------------

检测忙位

------------------------------------------------*/

void init_timer()

{

TMOD=0x21;//模式1,16位计时

TH0=19555/256;

TL0=19555%256;

ET0=1;

}

void csh()

{

SM0=0;

SM1=1;

REN=1;

TI=0;

RI=0;

PCON=0;

TH1=0xFD;

TL1=0XFD;

TMOD=0X21;

EA=1;

ET1=0;

ES=1;

TR1=1;

}

void Check_Busy()

{

RS=0;

RW=1;

E=1;

DataPort=0xff;

while((DataPort&0x80)==0x80);//忙则等待

E=0;

}

/*------------------------------------------------

写命令

------------------------------------------------*/

void Write_Cmd(unsigned char Cmd)

{

Check_Busy();

RS=0;

RW=0;

E=1;

DataPort=Cmd;

DelayUs2x(5);

E=0;

DelayUs2x(5);

}

/*------------------------------------------------

写数据

------------------------------------------------*/

void Write_Data(unsigned char Data)

{

Check_Busy();

RS=1;

RW=0;

E=1;

DataPort=Data;

DelayUs2x(5);

E=0;

DelayUs2x(5);

}

/*------------------------------------------------

液晶屏初始化

------------------------------------------------*/

void Init_ST7920()

{

DelayMs(40); //大于40MS的延时程序

PSB=1; //设置为8BIT并口工作模式

DelayMs(1); //延时

RES=0; //复位

DelayMs(1); //延时

RES=1; //复位置高

DelayMs(10);

Write_Cmd(0x30); //选择基本指令集

DelayUs2x(50); //延时大于100us

Write_Cmd(0x30); //选择8bit数据流

DelayUs2x(20); //延时大于37us

Write_Cmd(0x0c); //开显示(无游标、不反白)

DelayUs2x(50); //延时大于100us

Write_Cmd(0x01); //清除显示，并且设定地址指针为00H

DelayMs(15); //延时大于10ms

//Write_Cmd(0x06); //指定在资料的读取及写入时，设定游标的移动方向及指定显示的移位，光标从右向左加1位移动

DelayUs2x(50); //延时大于100us

}

/*------------------------------------------------

用户自定义字符

------------------------------------------------*/

void CGRAM()

{

int i;

Write_Cmd(0x30);

Write_Cmd(0x40);

for(i=0;i<16;i++)

{

Write_Data(user16x16[i*2]);

Write_Data(user16x16[i*2+1]);

}

/*------------------------------------------------

显示用户自定义字符

------------------------------------------------*/

void DisplayCGRAM(unsigned char x,unsigned char y)

{

switch(y)

{

case 1: Write_Cmd(0x80+x);break;

case 2: Write_Cmd(0x90+x);break;

case 3: Write_Cmd(0x88+x);break;

case 4: Write_Cmd(0x98+x);break;

default:break;

}

Write_Data(00);

}

/*------------------------------------------------

显示字符串

x:横坐标值，范围0~8

y:纵坐标值，范围1~4

------------------------------------------------*/

void LCD_PutString(unsigned char x,unsigned char y,unsigned char *s)

{

switch(y)

{

case 1: Write_Cmd(0x80+x);break;

case 2: Write_Cmd(0x90+x);break;

case 3: Write_Cmd(0x88+x);break;

case 4: Write_Cmd(0x98+x);break;

default:break;

}

while(*s>0)

{

Write_Data(*s);

s++;

DelayUs2x(50);

}

/*------------------------------------------------

清屏

------------------------------------------------*/

void ClrScreen()

{

Write_Cmd(0x01);

DelayMs(15);

}

/*------------------------------------------------

显示图片

------------------------------------------------*/

void LCD_PutGraphic(unsigned char code *img)

{

int i,j;

//显示上半屏内容设置

for(i=0;i<32;i++)

{

Write_Cmd(0x80 + i); //SET 垂直地址 VERTICAL ADD

Write_Cmd(0x80); //SET 水平地址 HORIZONTAL ADD

for(j=0;j<16;j++)

{

Write_Data(*img);

img++;

}

//显示下半屏内容设置

for(i=0;i<32;i++)

{

Write_Cmd(0x80 + i); //SET 垂直地址 VERTICAL ADD

Write_Cmd(0x88); //SET 水平地址 HORIZONTAL ADD

for(j=0;j<16;j++)

{

Write_Data(*img);

img++;

}

/*------------------------------------------------

设置到绘图模式

------------------------------------------------*/

void SetGraphicMode()

{

Write_Cmd(0x36); //选择8bit数据流图形模式

DelayUs2x(20);

}

void SetNormalMode()

{

Write_Cmd(0x30); //选择8bit数据流图形模式

DelayUs2x(20);

}

void huatu(unsigned char x,unsigned char code *img)

{

unsigned char i,j;

SetGraphicMode();

for(i=0;i<32;i++)

{

if(i<16)

{

Write_Cmd(0x80+16+i);

Write_Cmd(0x80+x);

}

if(i>=16)

{

Write_Cmd(0x80+i-16);

Write_Cmd(0x88+x);

}

for(j=0;j<2;j++)

{

Write_Data(*img);

img++;

}

SetNormalMode();

}

/*------------------------------------------------

主程序

------------------------------------------------*/

main()

{

ds1302_init(); //DS1302初始化

flag = ds1302_read_byte(0xc0);

Delay10us();

flag = ds1302_read_byte(0xc0);

Delay10us();

if(flag != 0xaa)

{

ds1302_write_time(); //写入初始值

Delay10us();

ds1302_write_time(); //写入初始值

Delay10us();

}

EA=1;

ET0=1;

TR0=1;

init_timer();

SetGraphicMode(); //设置成绘图模式

LCD_PutGraphic(pic1); //清屏

beep = 0;

while(1)

{

RH();

//ds1302_read_time(); //读取时间

cal[0] = (time_buf[0]>>4) + 48; //年

cal[1] = (time_buf[0]&0x0f) + 48;

cal[2] = (time_buf[1]>>4) + 48;

cal[3] = (time_buf[1]&0x0f) + 48;

cal[5] = (time_buf[2]>>4) + 48; //月

cal[6] = (time_buf[2]&0x0f) + 48;

cal[8] = (time_buf[3]>>4) + 48; //日

cal[9] = (time_buf[3]&0x0f) + 48;

dat=(time_buf[7]&0x07); //星期

ss=(time_buf[4]>>4); //时

sg=(time_buf[4]&0x0f);

fs=(time_buf[5]>>4); //分

fg=(time_buf[5]&0x0f);

ms=(time_buf[6]>>4); //秒

mg=(time_buf[6]&0x0f);

if((time_buf[5] ==0x59 && time_buf[6] == 0x59) || (time_buf[5] ==0x00 && time_buf[6] == 0x00))

beep = 1;

else

beep = 0;

huatu(0,num[ss]);

huatu(1,num[sg]);

if(count>=5 && count<=15)

{

huatu(2,num[10]);

}

else

{

huatu(2,kongbai);

}

huatu(3,num[fs]);

huatu(4,num[fg]);

if(count>=5 && count<=15)

{

huatu(5,num[10]);

}

else

{

huatu(5,kongbai);

}

huatu(6,num[ms]);

huatu(7,num[mg]);

str1[5]=(U8T_data_H - 4) / 10 + 48; //温度

str1[6]=(U8T_data_H - 4) %10 + 48;

str3[5]=(U8RH_data_H / 10) + 48; //湿度

str3[6]=(U8RH_data_H % 10)+48;

LCD_PutString(0,1,cal);

if(dat==1) LCD_PutString(5,1,'星期一');

if(dat==2) LCD_PutString(5,1,'星期二');

if(dat==3) LCD_PutString(5,1,'星期叁');

if(dat==4) LCD_PutString(5,1,'星期四');

if(dat==5) LCD_PutString(5,1,'星期五');

if(dat==6) LCD_PutString(5,1,'星期六');

if(dat==7) LCD_PutString(5,1,'星期天');

LCD_PutString(0,4,str1);

LCD_PutString(4,4,str3);

}

void Timer0_INT() interrupt 1

{

count++;

if(count==20)//count=20，计时一秒

{

ds1302_read_time(); //读取时间

count=0;

if(time_buf[6] == 0x39)

{

jishi_flag = 1;

}

if((jishi_flag == 1)&&(time_buf[6] != 0x39))

{

count_up++;

time_buf[6] = time_buf[6] + 0x40;

if(count_up == 20)

{

count_up = 0;

jishi_flag = 0;

}

TH0=19500/256;

TL0=19500%256;

}

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