关于第九届蓝桥杯单片机省赛程序题

#include "STC15.h" //PC85,AT24C02,LED,SMG,3*4键盘 #include "sys.h" #include "smg.h" #include "key.h" #include "iic.h" #include "time.h" #include "AT24C02.h" uchar liangdu;extern uchar test; extern uchar brightness; uchar moshi3[4]={0x7e,0xbd,0xdb,0xe7}; uchar p0_value=0; uchar change=0,time=4; char moshi_led=1; uchar temp=0,read_biaozhi=1,S7_biaozhi=1,dyci=0; extern uchar smg_biaozhi; void S6_cufa() { uchar o=0; if(change==1) { if(smg_biaozhi==0) { smg_display(0,0,0); smg_display(1,moshi_led,0); smg_display(2,0,0); } else { smg_display(0,18,0); smg_display(1,18,0); smg_display(2,18,0); } smg_display(3,18,0); if(time/10==0||time/10>12)smg_display(4,18,0); else smg_display(4,time/10,0); smg_display(5,time%10,0); smg_display(6,0,0); smg_display(7,0,0); if(temp==5) { moshi_led++;if(moshi_led>=5)moshi_led=1; } if(temp==4) { moshi_led--;if(moshi_led<=0)moshi_led=4; } } if(change==2) { if(smg_biaozhi==0) {//40-120 smg_display(3,18,0); if(time/10==0||time/10>12)smg_display(4,18,0); else smg_display(4,time/10,0); smg_display(5,time%10,0); smg_display(6,0,0); smg_display(7,0,0); } else { smg_display(3,18,0); smg_display(4,18,0); smg_display(5,18,0); smg_display(6,18,0); smg_display(7,18,0); } smg_display(0,0,0); smg_display(1,moshi_led,0); smg_display(2,0,0); if(temp==5) { time++;if(time==13)time=0; } if(temp==4) { time--;if(time==0)time=12; } } if(change==3) { AT24C02_Write(2,moshi_led);Delay1ms(10); AT24C02_Write(1,time);Delay1ms(10); for(o=0;o<8;o++) { smg_display(o,18,0); }//smg_display(4,change,0); read_biaozhi=1; ET1=0;ET0=1; } if(change==3)change=0; //smg_display(4,change,0); } void LED() { uchar i=0; if(read_biaozhi==1&&S7_biaozhi==0&&dyci==1) { if(moshi_led==1) { for(i=0;i<8;i++) { temp = key_display();if(temp==7){S7_biaozhi=0;break;} p0_value = ~(0x01<<i); hc573(4); Delay1ms(100); } } if(moshi_led==2) { for(i=0;i<8;i++) { temp = key_display();if(temp==7){S7_biaozhi=0;break;} p0_value = ~(0x01<<(7-i)); hc573(4); Delay1ms(time*100); } } if(moshi_led==3) { for(i=0;i<4;i++)//这个是反复 { temp = key_display();if(temp==7){S7_biaozhi=0;break;} p0_value = moshi3[i]; hc573(4); Delay1ms(time*100); } } if(moshi_led==4) { for(i=0;i<4;i++)//这个是反复 { temp = key_display();if(temp==7){S7_biaozhi=0;break;} p0_value = moshi3[3-i]; hc573(4); Delay1ms(time*100); } } } } void main(void) { uchar c=0,q=0; sysinit(); AT24C02_Write(2,1); Delay1ms(10); AT24C02_Write(1,4); Delay1ms(10); Timer0_Init(); Timer1_Init(); P0 = 0xff; hc573(4); while(1) { temp = key_display(); LED(); if(temp==6) { ET1=1;change++; } if(change==1&&read_biaozhi==1) { ET0=0; read_biaozhi=0; moshi_led = AT24C02_Read(2); time = AT24C02_Read(1); } if(temp==7) {S7_biaozhi=!S7_biaozhi;dyci=1;ET0 = 1; } S6_cufa();//smg_display(4,change,0); if(P33==0&&read_biaozhi==1) { while(1) { q = brightness-4; if(test>=240)q=4; ET0=0; smg_display(0,18,0); smg_display(1,18,0); smg_display(2,18,0); smg_display(3,18,0); smg_display(4,18,0); smg_display(5,18,0); smg_display(6,0,0); smg_display(7,q,0); c = key_display(); if(P33!=0) { ET0=1; smg_display(7,18,0); break; } } } } }