国旗自动升降系统设计论文

第Ⅰ页共Ⅰ页[请输入学校名称[请输入专业]基于单片机国旗自动升降系姓名：[请输入姓名]学号：[请输入学号]指导教师：[请输入指导教师] Time\@"yyyy年M月d日"2020年6月9日

目录1引言 .PCB源程序#include<reg52.h> //调用单片机头文件#defineucharunsignedchar//无符路字符型宏定义 变量范围0~255#defineuintunsignedint //无符路整型宏定义 变量范围0~65535#include"eeprom52.h"#include"LCD1602.h"//sbitVRST=P3^7;//sbitVBUSY=P3^6; sbitVSDA=P3^5;sbitVCS=P3^6;sbitVSCL=P3^7;sbitkey_1=P1^0;sbitkey_2=P1^1;sbitkey_3=P1^2;sbitkey_4=P1^3;sbitkey_5=P1^4;sbitkey_6=P1^5;sbitled_1=P1^6;sbitled_2=P1^7;sbitled_3=P3^0;sbitled_4=P3^1;ucharcodezz[]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09};//????ucharcodefz[]={0x09,0x08,0x0c,0x04,0x06,0x02,0x03,0x01};//????uintUP_dat=0,Below_dat=0,Current_dat=0;ucharCurrent_Height=0,ms,sec,circulation,Dir_dat,speed_dat,dat_A;ucharsys_state,state;bitOpen_flag,EEPROM_flag;ucharirbyte[4];ucharirtime,irflag,bitnum,irdateok;ucharirdate[33];/***********************小延时函数**************************/voiddelay_us(unsignedintus){ while(us--) { _nop_(); }}/*********************************************************************名称:delay_1ms()*功能:延时1ms函数*输入:q*输出:无***********************************************************************/voiddelay_1ms(uintq){ uinti,j; for(i=0;i<q;i++) for(j=0;j<115;j++);} /************延时函数*****************/voiddelay_uint(uintz){while(z--);}voidqing(void) // ????{uinti; for(i=0;i<33;i++) { irdate[i]=0; }}voiddeal_with(void) //??????{ uchari,j,k,temp; k=1; for(j=0;j<4;j++) { for(i=0;i<8;i++) { temp=temp>>1; if(irdate[k]>7) { temp=temp|0x80; } k++; } irbyte[j]=temp; }}/***********************三线发码子程序************************/voidSend_threelines(unsignedcharaddr){unsignedchari;// VRST=0;// delay_1ms(5);// VRST=1;// delay_1ms(20);/*复位拉高20ms*/ VCS=0; delay_1ms(5);/*片选拉低5ms*/for(i=0;i<8;i++) { VSCL=0; if(addr&0x01) { VSDA=1; } else VSDA=0; addr>>=1; delay_us(150);/*150us*/ VSCL=1; delay_us(150);/*150us*/ } VCS=1; delay_1ms(30);// if(dat==1)// while(VBUSY==0); //忙等待}voidshow_init(void){ LCD1602_write(0,0xC0); LCD1602_writebyte("Height:11.0cm"); LCD1602_write(0,0x80); LCD1602_writebyte("C_Height:"); LCD1602_write(1,0x30+Current_Height/100%10); LCD1602_write(1,0x30+Current_Height/10%10); LCD1602_writebyte("."); LCD1602_write(1,0x30+Current_Height%10); LCD1602_writebyte("cm"); }voidshow(void){ LCD1602_write(0,0x89); LCD1602_write(1,0x30+Current_Height/100%10); LCD1602_write(1,0x30+Current_Height/10%10); LCD1602_writebyte("."); LCD1602_write(1,0x30+Current_Height%10);}//sys_state=0为旗低的状态//sys_state=1为旗顶的状态//sys_state=2为半旗的状态//sys_state=3为正在运行的一个状态//sys_state=4为停止的一个状态voidkey_code(void){ if(irdateok==1) //?????? { irdateok=0; deal_with(); } if((!key_1||irbyte[2]==0x44)&&sys_state==0) { delay_uint(1000); if(!key_1||irbyte[2]==0x44) { while(!key_1||irbyte[2]==0x44) { qing(); deal_with(); } state=1; sys_state=3; led_1=0; } } if((!key_2||irbyte[2]==0x40)&&sys_state==1) { delay_uint(1000); if(!key_2||irbyte[2]==0x40) { while(!key_2||irbyte[2]==0x40) { qing(); deal_with(); } led_2=0; state=3; sys_state=3; } } if((!key_3||irbyte[2]==0x07)&&sys_state==0) { delay_uint(1000); if(!key_3||irbyte[2]==0x07) { while(!key_3||irbyte[2]==0x07) { qing(); deal_with(); } led_3=0; state=5; sys_state=3; } } if((!key_4||irbyte[2]==0x15)&&sys_state==2) { delay_uint(1000); if(!key_4||irbyte[2]==0x15) { while(!key_4||irbyte[2]==0x15) { qing(); deal_with(); } state=8; led_4=0; sys_state=3; } } if(!key_5||irbyte[2]==0x43) { delay_uint(1000); if(!key_5||irbyte[2]==0x43) { while(!key_5||irbyte[2]==0x43) { qing(); deal_with(); } state=11; sys_state=3; led_1=led_2=led_3=led_4=1; } } if(!key_6||irbyte[2]==0x09) { delay_uint(1000); if(!key_6||irbyte[2]==0x09) { while(!key_6||irbyte[2]==0x09) { qing(); deal_with(); } Send_threelines(1); state=0; sys_state=4; Below_dat=0; UP_dat=0; led_1=led_2=led_3=led_4=1; } }}//sys_state=0为旗低的状态//sys_state=1为旗顶的状态//sys_state=2为半旗的状态//sys_state=3为正在运行的一个状态//uintUP_dat=0,Below_dat=0;voidControl_code(void){ switch(state) { case0: P2&=0xf0; P2|=0x00; break; case1: Send_threelines(0); UP_dat=8800; state=2; break; case2: if(UP_dat==0) { state=0; sys_state=1; led_1=1; Current_dat=8800; } break; case3: Below_dat=8800; state=4; break; case4: if(Below_dat==0) { state=0; sys_state=0; led_2=1; Current_dat=0; } break; case5: Send_threelines(0); UP_dat=8800; state=6; break; case6: if(UP_dat==0) { Below_dat=2933; state=7; } break; case7: if(Below_dat==0) { state=0; sys_state=2; led_3=1; Current_dat=8800-2933; } break; case8: UP_dat=2933; state=9; break; case9: if(UP_dat==0) { Below_dat=8800; state=10; } break; case10: if(Below_dat==0) { state=0; sys_state=0; led_4=1; Current_dat=0; } break; case11: Send_threelines(1); UP_dat=0; Below_dat=Current_dat; state=12; break; case12: if(Below_dat==0) { state=0; sys_state=0; } break; } Current_Height=Current_dat/80; if(dat_A!=Current_Height) { dat_A=Current_Height; SectorErase(0x2000); byte_write(0x2000,Current_Height); }}voidTime_init(void){ TMOD=0x21; //?????1?8??????? TH1=0x00; //???????? TL1=0x00; //?????? TH0=0x3c; //???????? TL0=0xb0; //?????? ET1=1; //?????1?? TR1=1; //?????1 ET0=0; //?????1?? TR0=0; //?????1}voidmain(void){ Time_init(); EA=1; EX0=1; IT0=1; delay_uint(20000); Current_Height=byte_read(0x2000); if(Current_Height>110)Current_Height=0; if(Current_Height==0)sys_state=0; elseif(Current_Height==110)sys_state=1; elseif(Current_Height>70&&Current_dat<80)sys_state=2; elsesys_state=4; Current_dat=Current_Height*80; LCD1602_cls(); show_init(); while(1) { show(); key_code(); Control_code(); }}voidTime_1()interrupt1{ TL0=0x3c; //?????? TH0=0xb0; //???????? ms++; if(ms>19) { ms=0; sec++; if(sec>43) { // Open_flag=1; } }}voidTime_2()interrupt3{ irtime++; speed_dat++;