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1、单片机课程设计程序#include#include#include#defineucharunsignedchar#defineuintunsignedintsbitrs=P2^0;lcd数据命令端口sbitrw=P2^1;sbiten=P2^2;lcd使能端sbitset_ds=P1^5;设置时间sbitsetnl=p2^3;设置闹铃sbitsclk=P1^6;串行口输入端,高电平写入sbitio=P1^7;sbitDQ=P3^0;sbitfm=p3^1;蜂鸣器端口sbitzh=p1^;24或12小时转换sbitknl=p2^
2、4;开闹铃sbitgnl=p2^5;关闹铃unsignedintdisdata[4];unsignedcharled_seg[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};//显示段码ucharkal,gnl，tznl;//knl,gnl,tznl分别为开，关，调整闹铃ucharnlfalg;闹铃标志按下ucharhour,minute,second,tcnt,nlhour,nlminute,nldk;//ucharstr1[]={"time:"};ucharinit[]="00:00:00";//秒，分，时，ucha
3、rcodebmp[]={0x0e,0x11,0x1f,0x00,0x0a,0x00,0x00,0x00,0x0C,0x12,0x12,0x0C,0x00,0x00,0x00,0x00};//闹铃符号voiddelay(){ucharj;for(j=250;j>0;j--);}//-------------------液晶模块-----------------//voiden_toggle(){en=0;//_nop_();delay();en=1;delay();//_nop_();en=0;}//注意必须加延时，否则会出问题的voidis_ready(){P0=0x00;//设置为
4、输入口//注意：现实中应该送0xffrs=0;rw=1;en=1;while(P0&0x80);en=0;}voidwrite_cmd(ucharcmd)//写指令//{is_ready();rs=0;rw=0;P0=cmd;en_toggle();_nop_();}voidwrite_data(ucharindata)//写数据//{is_ready();rs=1;rw=0;P0=indata;en_toggle();_nop_();}voidwrite_str(ucharaddr,uchar*p){uchari;write_cmd(addr);while(p[i]!=' '){
5、write_data(p[i]);i++;}}voidwrite_position(ucharrow,ucharcol){ucharp;if(row==1){p=0x80+col-1;write_cmd(p);}else{p=0xc0+col-1;write_cmd(p);}}voidinit_lcd()//初始化//{write_cmd(0x38);write_cmd(0x0c);write_cmd(0x06);write_cmd(0x01);//清屏幕}//------------液晶模块结束---------------------voidwrite_byte(ucharinb
6、yte){uchari;for(i=8;i>0;i--){sclk=0;//写的时候低电平改变数据if(inbyte&0x01)io=1;elseio=0;sclk=1;//写的时候高电平，把数据写入ds1302_nop_();inbyte=inbyte>>1;}}voidwr_com(unsignedcharcom)//写指令//{is_ready();rs=0;rw=0;P0=com;delay();en=1;delay();en=0;}voidwr_dat(unsignedchardat)//写数据//{delay();rs=1;rw=0;en=0;P0=dat;en_togg
7、le();_nop_();}voiddisplay(unsignedchar*p)//显示//{while(*p!=' '){wr_dat(*p);p++;delay();}}init_play()//初始化显示//{init_lcd();wr_com(0x80);display(str1);wr_com(0xc0);display(str2);}//-----------ds1302模块开始-------------------//注意点：sclk的上
