超声波测距LCD12864显示.rar_HC-SR04_STC89C52_lcd12864_超声波测距1602

/******************************************************************************/ /* Name: LCD12864(St7920/St7921)+超声波测距模块+STC89C52 */ /* HC-SR04 超声波测距模块 DEMO 程序 */ /* 晶振：11.0592M */ /* Designed by : Tvrostar Date:2007/09/16 */ /* 程序编写：文轩电子 QQ： 517535000 */ /* taobao店铺：http://shop58246706.taobao.com */ /* 接线：模块TRIG接 P1.2 ECH0 接P1.1 */ /* RS(CS) 接 P3.3; */ /* RW(SID) 接 P3.4; */ /* E(SCLK) 接 P3.5; */ /* PSB 接 GND 串行模式 */ /******************************************************************************/ #include <AT89X51.H> #include <intrins.h> //引脚定义 sbit RX = P1 ^ 1; sbit TX = P1 ^ 2; sbit CS = P3 ^ 3; //片选 高电平有效 单片LCD使用时可固定高电平 sbit SID = P3 ^ 4; //数据 sbit SCLK = P3 ^ 5; //时钟 //Function Definition　函数声明 void Delay(int num); void Init_DS18B20(void); unsigned char ReadOneChar(void); void WriteOneChar(unsigned char dat); unsigned int ReadTemperature(void); void clock_out(unsigned char dd); unsigned char clock_in(void); unsigned char read_clock(unsigned char ord); void write_clock(unsigned char ord, unsigned char dd); void Disp(void); void id_case1_key(void); void id_case2_key(void); void Set_time(unsigned char sel,bit sel_1); void Timer0_Init(void); void Init_1302(void); void Set_Bell(unsigned char sel, bit sel_1); void Bell(void); //12864 void Write_char(bit start, unsigned char ddata); void Send_byte(unsigned char bbyte); void Delaynms(unsigned int di); void Lcd_init(void); void Disp_img(unsigned char *img); void LCD_Write_string(unsigned char X,unsigned char Y,unsigned char *s); void LCD_set_xy( unsigned char x, unsigned char y ); unsigned char code num[]={"0123456789 :.-"}; unsigned char code waves[]={"超声波测距系统"}; unsigned char code znwk[] ={"智能微控工作室"}; unsigned char code CM[] = {"M"}; unsigned int time=0; long S=0; bit flag =0; unsigned char disbuff[4] ={ 0,0,0,0,}; unsigned char code logo[]={ /*-- 调入了一幅图像：logo.bmp -- */ /*-- 宽度x高度=128x64 欢迎使用本产品LOGO --*/ /*-- 调入了一幅图像：C:\Documents and Settings\lwd\桌面\新建文件夹\X.bmp --*/ /*-- 宽度x高度=128x64 --*/ 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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, 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, }; /******************************************************************************/ void Lcd_init(void) //初始化LCD { Delaynms(10); //启动等待，等LCM讲入工作状态 CS=1; Write_char(0,0x30