【最新编排】基于51单片机的12864液晶时钟完整程序(已通过).doc

#includereg5￡2.h #include intrins.h #define uint unsigned int #define uchar unsigned char sbit E=P￡2^5; sbit RW=P￡2^6; sbit f=P￡±^5; sbit RS=P￡2^7; #define lcd_bus P0 #define lcd_clear_display 0x￡± #define lcd_funtion_base 0x30 #define lcd_set_ddram_address 0x80 sbit T_CLK = P3^7; /*êμê±ê±?óê±?ó??òy?? */ sbit T_IO = P3^￡2; /*êμê±ê±?óêy?Y??òy?? */ sbit T_RST = P￡2^4; /*êμê±ê±?ó?′????òy?? */ sbit ACC0=ACC^0; sbit ACC7=ACC^7; sbit k￡±= P3^3; //éè?? sbit k￡2= P3^4; //?ó sbit k3= P￡±^6; //?? sbit k4= P3^5; //???ó sbit k5= P￡±^7; // í?3? bit w=0; bit b=0; bit flag￡2; uchar flag,flag￡±,e,k￡±num,a; char miao,fen,shi,yue,ri,nian,ns,nf,sec; /**************òo?§?y?ˉ3ìDò****************************/ void delay(int time￡±) { int i, j; for(i=time￡±;i0;i--) for(j=￡±￡±0;j0;j--); } void lcd_check_busy(void) //?D??LCD?|3ìDò { uchar signalbuff; RS=0; RW=￡±; //?á×′ì? do{ lcd_bus=0xff; //???úμ???è?2?à-?? E=￡±; //?aê??áè?LCD?ú2?×′ì? signalbuff=lcd_bus; E=0; } //í￡?1?áè? while(signalbuff0x80); //?D??P￡2_7ê?·??a0(òo?§?ú2?ê?·??|),è?1??a0,?òì?3??-?· } void WRI(char instru) //òo?§D′??á? { lcd_check_busy(); RS = 0 ; //??ê???á? RW = 0 ; //D′ lcd_bus = instru; E = ￡± ; E = 0 ; } void WRD(char lcddata) //òo?§D′êy?Y { lcd_check_busy(); RS = ￡± ; //??ê?êy?Y RW = 0 ; //D′ lcd_bus = lcddata; E = ￡± ; //???μ??′￥·￠ E = 0 ; } void lcd_set_xy(uchar x,uchar y) { uchar address; switch(y) { case 0: address = 0x80 + x; break; case ￡±: address = 0x90 + x; break; case ￡2: address = 0x88 + x; break; case 3: address = 0x98 + x; break; default:address = 0x80 + x; } WRI(lcd_set_ddram_address|address); } void init_lcd() { WRI(0x30); //?ù±???á??ˉ WRI(0x0c); //??ê?′ò?a￡?1a±ê1?￡?·′°×??ê?1? WRI(0x06); //DDRAMμ?μ??·??êy?÷￡¨AC￡??ó￡± WRI(0x0￡±); //??3y?á????ê?￡??