LCD--DS1302--DS18B20--Music播放歌曲程序.docVIP

/*12864液晶，ds1302实时时钟芯片，ds18b20温度传感器，红外遥控，蜂鸣器播放《梦里水乡》*/ /*delay.h头文件声明*/ #ifndef __DELAY_H__ #define __DELAY_H__ #define uchar unsigned char extern void delay(uchar x); extern void delay1(uchar x); extern void delay_jiepai(); #endif /*delay.c部分程序*/ #includedelay.h void delay(uchar x) { uchar i,j; for(i=0;ix;i++) for(j=0;j110;j++); } void delay1(uchar x) { uchar i; while(x--) { for (i = 0; i13; i++) { } } } void delay_jiepai() { unsigned char i,j; for(i=0;i250;i++) for(j=0;j250;j++) ; } /*lcd.h头文件声明*/ #ifndef __LCD_H__ #define __LCD_H__ #includereg52.h #include intrins.h #define uchar unsigned char #define uint unsigned int sbit RS =P2^6; sbit RW =P2^5; sbit E =P2^7; //sbit PSB =P3^2; sbit BF =P0^7; extern uchar check_busy(); extern void write_com(uchar com); extern void write_dat(uchar dat); extern void write_string(uchar *s,uchar add); extern void clear_screen(); extern void move_flag(); extern void init_lcd(); #endif /*lcd.c部分程序*/ #includelcd.h #includedelay.h #includemusic.h uchar check_busy() { bit result; RS=0; RW=1; E=1; _nop_(); _nop_(); _nop_(); _nop_(); result=BF; E=0; return result; } void write_com(uchar com) { while(check_busy()==1); RS=0; RW=0; E=0; P0=com; E=1; E=0; } void write_dat(uchar dat) { while(check_busy()==1); RS=1; RW=0; E=0; P0=dat; E=1; E=0; } void write_string(uchar *s,uchar add) { write_com(add); while(*s) { write_dat(*s); s++; } } void clear_screen() { write_com(0x01); delay(1); } void init_lcd() { //PSB=1; delay(5); write_com(0x30); delay(5); write_com(0x30); delay(5); write_com(0x0c); delay(5); write_com(0x06); delay(5); write_com(0x01); } /*ds18b20.h头文件声明*/ #ifndef __DS18B20_H__ #define __DS18B20_H_