蓝桥杯单片机第十一届国赛设计题试做

#include <STC15F2K60S2.H> #include "Delay.h" #include "inithc138.h" #include "ds1302.h" #include "onewire.h" #include "iic.h" #define de 5 code unsigned char Seg_Table[17] = { 0xc0, //0 0xf9, //1 0xa4, //2 0xb0, //3 0x99, //4 0x92, //5 0x82, //6 0xf8, //7 0x80, //8 0x90, //9 0x88, //A 0x83, //b 0xc6, //C 0xa1, //d 0x86, //E 0x8e, //F 0xbf }; bit canshu_xianshi = 0;//选择参数还是显示 unsigned char mode = 0;//数据显示模式代号 unsigned char mode2 = 0;//参数界面模式代号 unsigned char ds1302writeaddr[4] = {0x80,0x82,0x84,0x86}; unsigned char ds1302readaddr[4] = {0x81,0x83,0x85,0x87}; unsigned char time[4] = {0x01,0x20,0x20,0x01}; unsigned char voltage = 0; unsigned int guang = 0; unsigned int temp = 0;//温度 bit liang_an = 0;//暗为1亮为0 bit liang_an2 = 0;//3秒后暗为1亮为0 bit ce = 0;//是否进入测量状态 unsigned char xiaoshicanshu = 17;//小时参数 unsigned char xiaoshicanshucertain = 17;//确认生效 unsigned char tempcan = 25;//温度参数 unsigned char tempcancertain = 25;//确认生效 unsigned char zhishideng = 4;//指示灯参数 unsigned char tmptime = 0; unsigned char zhishidengcertain = 4;//确认生效 bit flag = 0;//到了时间参数 unsigned char date = 100; unsigned char ledstat = 0xff; unsigned int count1 = 0;//暗下来数三秒 unsigned int count2 = 0;//亮了数三秒 void allselect(); void scankey(); //*****************************************定时器 void Timer0_Isr(void) interrupt 1 { if(liang_an){ count1++; } if(count1 >= 60){ liang_an2 = 1; count1 = 0; } if((liang_an == 0) && (liang_an2 == 0)){ count1 = 0; } if((liang_an == 0) && (liang_an2 == 1)){//亮了以后又暗了 count2++; } if((liang_an == 1) && (liang_an2 == 1)){ count2 = 0; } if(count2 >= 60){ liang_an2 = 0; count2 = 0; } } void Timer0_Init(void) //50毫秒@12.000MHz { AUXR &= 0x7F; //定时器时钟12T模式 TMOD &= 0xF0; //设置定时器模式 TL0 = 0xB0; //设置定时初始值 TH0 = 0x3C; //设置定时初始值 TF0 = 0; //清除TF0标志 TR0 = 1; //定时器0开始计时 ET0 = 1; //使能定时器0中断 EA = 1; } //***************************************** //*****************************************ds1302 void ds1302config(){ unsigned char i; Write_Ds1302_Byte(0x8e,0x00); for(i = 0;i < 4;i++){ Write_Ds1302_Byte(ds1302writeaddr[i],time[i]); } Write_Ds1302_Byte(0x8e,0x80); } void ds1302read(){ unsigned char i; for(i = 0;i < 4;i++){ time[i] = Read_Ds1302_Byte(ds1302readaddr[i]); } tmptime = (time[2] / 16) * 10 + (time[2] % 16); } //***************************************** //*****************************************温度测量 void delaysmg(unsigned char xms){ while(xms--){ allselect(); scankey(); Delay(1); } } void wendu(){ unsigned char LSB,MSB; init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0x44); ce = 1; delaysmg(100); ce = 0; init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0xbe); LSB = Read_DS18B20(); MSB = Read_DS18B20(); init_ds18b20(); temp = (MSB << 8) | LSB; temp = temp * 0.625; } //***************************************** //*****************************************数据界面 void shijianshuju(){//时间数据显示 showsmg(1,Seg_Table[time[2] / 16]); showsmg(2,Seg_Table[time[2] % 16]); showsmg(3,Seg_Table[16]); showsmg(4,Seg_Table[time[1] / 16]); showsmg(5,Seg_Table[time[1] % 16]); showsmg(6,Seg_Table[16]); showsmg(7,Seg_Table[time[0] / 16]); showsmg(8,Seg_Table[time[0] % 16]); } void wendushuju(){//温度数据显示 showsmg(1,Seg_Table[12]); showsmg(6,Seg_Table[temp / 100]); showsmg(7,Seg_Table[temp / 10 % 10] & 0x7f); showsmg(8,Seg_Table[temp % 10]); } void lianganpanduan(){//亮暗状态判断 voltage = guangmin(); Delay(1); guang = voltage * 100 / 51; if(voltage < 20){ liang_an = 1; }else{ liang_an = 0; } } void lianganzhuangtai(){//亮暗状态显示 showsmg(1,Seg_Table[14]); showsmg(3,Seg_Table[guang / 100] & 0x7f); showsmg(4,Seg_Table[guang / 10 % 10]); showsmg(5,Seg_Table[guang % 10]); showsmg(8,Seg_Table[liang_an]); } void showselect(){//显示模式选择 switch(mode){ case 0:shijianshuju();break; case 1:if(ce == 0){wendu();}wendushuju();break; case 2:lianganzhuangtai();break; } } //***************************************** //*****************************************参数界面 void shijiancanshu(){//时间参数 showsmg(1,0x8c); showsmg(2,Seg_Table[1]); showsmg(7,Seg_Table[xiaoshicanshu / 10]); showsmg(8,Seg_Table[xiaoshicanshu % 10]); } void wenducanshu(){//温度参数 showsmg(1,0x8c); showsmg(2,Seg_Table[2]); showsmg(7,Seg_Table[tempcan / 10]); showsmg(8,Seg_Table[tempcan % 10]); } void zhishidengcanshu(){//指示灯参数 showsmg(1,0x8c); showsmg(2,Seg_Table[3]); showsmg(8,Seg_Table[zhishideng]); } void canselect(){ switch(mode2){ case 0:shijiancanshu();break; case 1:wenducanshu();break; case 2:zhishidengcanshu();break; } } //***************************************** //***************************************** void allselect(){ if(canshu_xianshi == 0){ showselect(); }else if(canshu_xianshi){ canselect(); } } //***************************************** //*****************************************LED指示灯 void shijianpanduan(){//时间判断 if(tmptime >= xiaoshicanshucertain){ if(flag == 0){date = time[3];} flag = 1; if((date != time[3]) && (tmptime > 8)){ flag = 0; } }else{ flag = 0; } } void led(){ shijianpanduan(); if(flag){ ledstat = ledstat & ~0x01; }else{ ledstat = ledstat | 0x01; } if((temp / 10) < tempcancertain){ ledstat = ledstat & ~0x02; }else{ ledstat = ledstat | 0x02; } if(liang_an2){ ledstat = ledstat & ~(0x01 << (zhishidengcertain-1)); }else{ ledstat = ledstat | (0x01 << (zhishidengcertain-1)); } outputp0(4,ledstat); } //***************************************** //*****************************************按键扫描 void scankey(){ P33 = 0;P32 = 1;P44 = 1;P35 = 1; if(P44 == 0){Delay(de);while(P44 == 0){allselect();}//S4 canshu_xianshi = ~canshu_xianshi; xiaoshicanshucertain = xiaoshicanshu; tempcancertain = tempcan; zhishidengcertain = zhishideng; mode = 0;mode2 = 0; } if(P35 == 0){Delay(de);while(P35 == 0){allselect();}//S8 if(canshu_xianshi){ if(mode2 == 0){xiaoshicanshu--;if(xiaoshicanshu > 100){xiaoshicanshu = 0;}}; if(mode2 == 1){tempcan--;if(tempcan > 100){tempcan = 0;}}; if(mode2 == 2){zhishideng--;if(zhishideng < 4){zhishideng = 4;}}; } } P33 = 1;P32 = 0;P44 = 1;P35 = 1; if(P44 == 0){Delay(de);while(P44 == 0){allselect();} if(canshu_xianshi == 0){mode++;mode %= 3;} if(canshu_xianshi == 1){mode2++;mode2 %= 3;} } if(P35 == 0){Delay(de);while(P35 == 0){allselect();} if(canshu_xianshi){ if(mode2 == 0){xiaoshicanshu++;if(xiaoshicanshu > 23){xiaoshicanshu = 23;}}; if(mode2 == 1){tempcan++;if(tempcan > 99){tempcan = 99;}}; if(mode2 == 2){zhishideng++;if(zhishideng > 8){zhishideng = 8;}}; } } } //***************************************** void main(){ initsys(); ds1302config(); wendu(); ds1302read(); Timer0_Init(); while(1){ lianganpanduan(); ds1302read(); scankey(); allselect(); led(); } }