蓝桥杯单片机第十四届省赛程序题

#include <STC15F2K60S2.H> #include "Delay.h" #include "InitHC138.h" #include "iic.h" #include "onewire.h" #include "ds1302.h" void showselect(); void show(); 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 }; unsigned char time[3] = {0x00,0x00,0x13}; unsigned char DS1302_writeadd[3] = {0x80,0x82,0x84}; unsigned char DS1302_readadd[3] = {0x81,0x83,0x85}; unsigned char showmode = 0;//模式代号 unsigned char echomode = 0;//回显代号 unsigned char chufa = 0;//触发次数 unsigned int temp = 0;//当前采集的温度 unsigned int tempmax = 0;//最高温度 unsigned int wet = 0;//当前采集的湿度 unsigned char settemp = 30;//温度参数 unsigned int wetmax = 0;//最高湿度 unsigned long int tempall;//温度总和 unsigned long int wetall;//湿度总和 unsigned char led_stat = 0xff; unsigned int count_hz = 0;//数频率 unsigned char count = 0;//产生1s的计时 unsigned int keycount = 0; bit keystat;//按键状态 unsigned char light = 0;//光敏电阻 unsigned char wetlast[20] = {0}; unsigned char templast[20] = {0}; unsigned int tmp = 0; //************************************************定时器与NE555频率测量 void Timer1_Isr(void) interrupt 3 { count++; if(keystat){ keycount++; } if(count == 100){ tmp = count_hz; wet = 2 * tmp / 45 + (10 / 9); count_hz = 0; count = 0; } if((temp > settemp)){ if((count % 10 == 0)&&(count % 20 != 0)){ led_stat &= 0xf7;OutPutP0(4,led_stat); }else if(count % 20 == 0){ led_stat |= 0x08;OutPutP0(4,led_stat); } } } void Timer0_Isr(void) interrupt 1 { count_hz++; } void Timer_Init(void) //10毫秒@12.000MHz { TMOD = 0x07; //设置定时器模式 TL1 = 0xF0; //设置定时初始值 TH1 = 0xD8; //设置定时初始值 TL0 = 0xFF; TH0 = 0xFF; TR1 = 1; //定时器1开始计时 TR0 = 1; TF1 = 0; //清除TF1标志 TF0 = 0; ET1 = 1; //使能定时器1中断 ET0 = 1; EA = 1; } //************************************************ //************************************************时间初始化与读取 void DS1302_config(){ unsigned char i; Write_Ds1302_Byte(0x8e,0x00); for(i = 0;i < 3;i++){ Write_Ds1302_Byte(DS1302_writeadd[i],time[i]); } Write_Ds1302_Byte(0x8e,0x80); } void DS1302_Read(){ unsigned char i; for(i = 0;i < 3;i++){ time[i] = Read_Ds1302_Byte(DS1302_readadd[i]); } } //************************************************ //************************************************温度读取 void show2(){ if((tmp > 200) && (tmp < 2000)){ ShowSMG(7,Seg_Table[wet / 10]); ShowSMG(8,Seg_Table[wet % 10]); led_stat = led_stat | 0x10;OutPutP0(4,led_stat); }else{ led_stat = led_stat & 0xef;OutPutP0(4,led_stat); ShowSMG(1,0x86); ShowSMG(2,0xff); ShowSMG(3,0xff); ShowSMG(4,Seg_Table[temp / 10]); ShowSMG(5,Seg_Table[temp % 10]); ShowSMG(6,Seg_Table[16]); ShowSMG(7,Seg_Table[10]); ShowSMG(8,Seg_Table[10]); } ShowSMG(1,0x86); ShowSMG(2,0xff); ShowSMG(3,0xff); ShowSMG(4,Seg_Table[temp / 10]); ShowSMG(5,Seg_Table[temp % 10]); ShowSMG(6,Seg_Table[16]); } void DelaySMG(unsigned int xms){//晶体管显示延时 while(xms--){ show2(); Delay(1); } } void DS18B20_Read(){ unsigned char LSB,MSB; init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0x44); DelaySMG(180); init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0xbe); LSB = Read_DS18B20(); MSB = Read_DS18B20(); temp = MSB; temp = (temp << 8) | LSB; temp = temp * 0.0625; } //************************************************时间显示 void showtime(){ DS1302_Read(); 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]); } //************************************************ //************************************************温度回显 void showtempecho(){ if(temp > tempmax){ tempmax = temp; } ShowSMG(1,0xc6); ShowSMG(2,0xff); if(chufa == 0){ ShowSMG(3,0xff);ShowSMG(4,0xff);ShowSMG(5,0xff); ShowSMG(6,0xff);ShowSMG(7,0xff);ShowSMG(8,0xff); }else{ ShowSMG(3,Seg_Table[tempmax / 10]); ShowSMG(4,Seg_Table[tempmax % 10]); ShowSMG(5,Seg_Table[16]); ShowSMG(6,Seg_Table[(tempall / chufa) / 100]); ShowSMG(7,Seg_Table[(tempall / chufa) / 10 % 10] & 0x7f); ShowSMG(8,Seg_Table[(tempall / chufa) % 10]); } } //************************************************湿度回显 void showwetecho(){ if(wet > wetmax){ wetmax = wet; } ShowSMG(1,0x89); ShowSMG(2,0xff); if(chufa == 0){ ShowSMG(3,0xff);ShowSMG(4,0xff);ShowSMG(5,0xff); ShowSMG(6,0xff);ShowSMG(7,0xff);ShowSMG(8,0xff); }else{ ShowSMG(3,Seg_Table[wetmax / 10]); ShowSMG(4,Seg_Table[wetmax % 10]); ShowSMG(5,Seg_Table[16]); ShowSMG(6,Seg_Table[(wetall / chufa) / 100]); ShowSMG(7,Seg_Table[(wetall / chufa) / 10 % 10] & 0x7f); ShowSMG(8,Seg_Table[(wetall / chufa) % 10]); } } //************************************************ //************************************************时间回显 void showtimeecho(){ ShowSMG(1,Seg_Table[15]); ShowSMG(2,Seg_Table[chufa / 10]); ShowSMG(3,Seg_Table[chufa % 10]); if(chufa == 0){ ShowSMG(4,0xff);ShowSMG(5,0xff);ShowSMG(6,0xff);ShowSMG(7,0xff);ShowSMG(8,0xff); }else{ ShowSMG(4,Seg_Table[time[2] / 10]); ShowSMG(5,Seg_Table[time[2] % 10]); ShowSMG(6,Seg_Table[16]); ShowSMG(7,Seg_Table[time[1] / 10]); ShowSMG(8,Seg_Table[time[1] % 10]); } } //************************************************ //************************************************参数显示 void showcanshu(){ ShowSMG(1,0x8c); ShowSMG(2,0xff); ShowSMG(3,0xff); ShowSMG(4,0xff); ShowSMG(5,0xff); ShowSMG(6,0xff); ShowSMG(7,Seg_Table[settemp / 10]); ShowSMG(8,Seg_Table[settemp % 10]); } //************************************************ //************************************************回显选择 void echoselect(){ switch(echomode){ case 0:showtempecho();break; case 1:showwetecho();break; case 2:showtimeecho();break; } } //************************************************ //************************************************显示选择 void showselect(){ switch(showmode){ case 0:showtime();led_stat = (led_stat & 0xf8) | 0x06;OutPutP0(4,led_stat);break;//模式0显示时间 case 1:echoselect();led_stat = (led_stat & 0xf8) | 0x0d;OutPutP0(4,led_stat);break;//模式1为回显模式 case 2:showcanshu();led_stat = (led_stat & 0xf8) | 0x0b;OutPutP0(4,led_stat);break;//模式2为参数显示 } } //************************************************ //************************************************按键扫描 void scankey(){ P33 = 0;P32 = 1; P42 = 1;P44 = 1; if(P44 == 0){ Delay(5); showmode++; showmode %= 3; while(P44 == 0){ showselect(); } } if(showmode == 1){ P33 = 1;P32 = 0; P42 = 1;P44 = 1; if(P44 == 0){//S5 Delay(5); echomode++; echomode%= 3; while(P44 == 0){ showselect(); } } if(echomode == 2){//s9 P33 = 1;P32 = 0; P42 = 1;P44 = 1; if(P42 == 0){ Delay(5); keystat = 1; while(P42 == 0){ showselect(); } keystat = 0; if(keycount > 200){ wetall = 0; wet = 0; temp = 0; tempall = 0; chufa = 0; } keycount = 0; } } } if(showmode == 2){ P33 = 0;P32 = 1; P42 = 1;P44 = 1; if(P42 == 0){ //S8 Delay(5); settemp++; if(settemp > 99){ settemp = 0; } while(P42 == 0){ showselect(