LCD.rar_12864_12864 温度_温度与时钟_电子时钟

#include <reg52.h> #include <intrins.h> #define SENDCOMM 0XF8 //0XF1000 #define READCOMM 0XFC //0XF1100 #define SENDDATA 0XFA //0XF1010 #define READDATA 0XFE //0XF1110 void LCD_send_byte(unsigned char a); unsigned char LCD_read_byte(void); unsigned char LCD_bf(void); unsigned char TEMP_BUFF[5]; void LCD_comm(unsigned char comm); void LCD_setxy(unsigned char x,unsigned char y); void LCD_PORTInit(void); void LCD_WriteStr(unsigned char dis_addr_x,unsigned char dis_addr_y,char* str); void LCD_WriteDBC(unsigned char dis_addr_x,unsigned char dis_addr_y,unsigned char dis_dat); sbit E_CLK =P2^2; //clock input sbit RW_SID=P2^1; //data input/output sbit RS_CS =P2^0; //chip select sbit LCD_PSB=P2^3; sbit LCD_A =P2^4; sbit Beep = P1^0; sbit power = P1^1; sbit tell_charge = P1^2; void delay(unsigned int n) { unsigned int i; for(i=0; i<n; i++) {;} } void LCD_PORTInit(void) { E_CLK=0; RS_CS=0; } void LCD_send_byte(unsigned char a) { unsigned char i; for(i=8;i>0;i--) { if(a&(0x01<<(i-1))) RW_SID=1; else RW_SID=0; delay(2); E_CLK=1; delay(2); E_CLK=0; delay(2); } } unsigned char LCD_read_byte(void) { unsigned char i,dat=0; for(i=8;i>0;i--) { E_CLK=1; delay(2); if(RW_SID==1) dat|=(0x01<<(i-1)); E_CLK=0; delay(2); } return dat; } unsigned char LCD_bf(void) { unsigned char readh,readl,bf; RS_CS=1; delay(2); LCD_send_byte(READCOMM); readh=LCD_read_byte(); readl=LCD_read_byte(); delay(2); RS_CS=0; readl=(readl>>4); bf=(readh&0xf0)|(readl&0x0f); return bf; } void LCD_comm(unsigned char comm) { unsigned char temp; do{ temp=LCD_bf(); }while(temp&0X80); RS_CS=1; delay(2); LCD_send_byte(SENDCOMM); temp=comm&0XF0; LCD_send_byte(temp); temp=((comm&0X0F)<<4)&0XF0; LCD_send_byte(temp); delay(2); RS_CS=0; } void LCD_data(unsigned char lcd_data) { unsigned char temp; RS_CS=1; delay(2); LCD_send_byte(SENDDATA); temp=lcd_data&0xf0; LCD_send_byte(temp); temp=(lcd_data&0X0F)<<4; LCD_send_byte(temp); delay(2); RS_CS=0; } /*******************************************************************/ // 设置显示位置 X(1~16),Y(1~4) /*******************************************************************/ void LCD_setxy(unsigned char x,unsigned char y) { switch(y) { case 1: LCD_comm(0X7F+x);break; case 2: LCD_comm(0X8F+x);break; case 3: LCD_comm(0X87+x);break; case 4: LCD_comm(0X97+x);break; default:break; } } /*******************************************************************/ // 在指定位置显示一半角字符 /*******************************************************************/ /*void LCD_WriteDBC(unsigned char dis_addr_x,unsigned char dis_addr_y,unsigned char dis_dat) { LCD_setxy(dis_addr_x,dis_addr_y); LCD_data(dis_dat); }*/ /*******************************************************************/ // 在指定位置显示字符串 /*******************************************************************/ void LCD_WriteStr(unsigned char dis_addr_x,unsigned char dis_addr_y,char* str) { unsigned char LCD_temp; LCD_setxy(dis_addr_x,dis_addr_y); LCD_temp=*str; while(LCD_temp != 0x00) { LCD_data(LCD_temp); LCD_temp=*(++str); } } void LCD_WriteData(unsigned char dis_addr_x,unsigned char dis_addr_y,unsigned char dat) { LCD_setxy(dis_addr_x,dis_addr_y); LCD_data(dat); } void LCD_init(void) { unsigned char i; LCD_A=0; //开背光 LCD_PSB=0; //串行通信 LCD_PORTInit(); i=LCD_bf(); while(i==0x80) { delay(80); i=LCD_bf(); } //RST=0; RS_CS=0; //serial mode delay(100); // RST=1; LCD_comm(0x30);//功能设置，一次送8位数据，基本指令集 LCD_comm(0x0C);//0000,1100 整体显示，游标off，游标位置off LCD_comm(0x01);//0000,0001 清DDRAM LCD_comm(0x02);//0000,0010 DDRAM地址归位 LCD_comm(0x80);//1000,0000 设定DDRAM 7位地址000，0000到地址计数器AC //LCD_comm(0x04);//点设定，显示字符/光标从左到右移位，DDRAM地址加 一 //LCD_comm(0x0F);//显示设定，开显示，显示光标，当前显示位反白闪动 } #define jump_ROM 0xCC #define start 0x44 #define read_EEPROM 0xBE unsigned int TMPH,TMPL; sbit DQ=P3^0; /*============================================================================/ *函数名称：reset *入口参数：无；返回deceive_ready *函数功能：复位 /============================================================================*/ void reset(void) { DQ=0; delay(48); DQ=1; delay(5); while(DQ); delay(48); } /*==============================================================================/ *函数名称：read_bit *入口参数：无；返回接收的数据 *函数功能：读1bit子程序 /==============================================================================*/ unsigned char read_bit(void) { unsigned char i; DQ=0; DQ=1; for(i=0;i<3;i++); return(DQ); } /*================================================================================/ *函数名称：vrite_bit *入口参数：bitval *函数功能：写1bit子程序 /=================================================================================*/ void write_bit(unsigned char bitval) { DQ=0; if(bitval==1) DQ=1; delay(5); DQ=1; } /*===============================================================================/ *函数名称：write_byte *入口参数：val *函数功能：写1byte子程序 /================================================================================*/ void write_byte(unsigned char val) { unsigned char i,temp; for(i=0;i<8;i++) { temp=val>>i; temp=temp&0x01; write_bit(temp); delay(5); } } /*=============================================================================/ *函数名称：read_byte *入口参数：无 *返回值：接收的数据value *函数功能：读一个byte子程序 /==============================================================================*/ unsigned char read_byte(void) { unsigned char i,m,receive_data; receive_data=0; for(i=0;i<8;i++) { m=read_bit(); receive_data=(m<<7)|(receive_data>>1); delay(6); } return(receive_data); } /*==========================================================================/ *函数名称：getTemValue *入口参数：无 *返回值：value *函数功能：取得温度值 /==========================================================================*/ void getTemValue(void) { unsigned int value; float t; reset(); write_byte(jump_ROM); write_byte(start); reset(); write_byte(jump_ROM); write_byte(read_EEPROM); TMPL=read_byte(); TMPH=read_byte(); value=TMPH; value<<=8; value|=TMPL; t=value*0.0625; TMPH=t; TMPL=(t-TMPH)*10+0.5; } sbit clock_Rst = P3 ^ 3; sbit clock_dat = P3 ^ 4; sbit clock_clk = P3 ^ 5; unsigned char sec=0xff,min=0xff,hour=0xff,day=0xff,mon=0xff,week=0xff,year=0xff; void clock_out(unsigned char dd); void write_clock(unsigned char ord,unsigned char dd); void init_1302(void); unsigned char clock_in(void); unsigned char read_clock(unsigned char ord); void update(void); void LCD_Week(void); /*===============================================================================/ *函数名称：clock_out *入口参数：dd *函数功能：写入指令或数据 /===============================================================================*/ void clock_out(unsigned char dd) { unsigned char i,temp; temp=dd; for(i=8;i>0;i--) { if((temp&0x01)==1) clock_dat=1; else clock_dat=0; _nop_(); clock_clk=1; _nop_(); clock_clk=0; temp=temp>>1; } } /*===============================================================================/ *函数名称：write_clock *入口参数：命令ord,数据dd *函数功能：时钟调整 /================================================================================*/ void write_clock(u