超声波测距LCD12864显示.rar_51超声波测距_超声波测距_超声测距

/******************************************************************************/ /* Name: LCD12864(St7920/St7921)+超声波测距模块+STC89C52 */ /* hy-SRF05 超声波测距模块 DEMO 程序 */ /* 晶振：11.0592M */ /* 接线：模块TRIG接 P3.7 ECH0 接P3.6 */ /* RS 接 P24; */ /* RW 接 P23; */ /* E 接 P22; */ /* PSB 接 P27; */ /******************************************************************************/ #include <AT89X51.H> #include <intrins.h> //引脚定义 sbit RX = P3^6; sbit TX = P3^7; sbit RS = P2^4; sbit RW = P2^3; sbit E = P2^2; sbit RES = P2^5; sbit PSB = P2^7; sbit PAUSE = P2^6; #define DataPort P1 //MCU P1<------> LCM //Function Definition　函数声明 void delayms(unsigned int ms); 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 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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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, }; /******************************************************************************/ void Lcd_init(void) //初始化LCD { 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