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第七届蓝桥杯_温度记录器 单片机源程序

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ID:438858发表于 2019-5-26 21:52|只看该作者|只看大图回帖奖励
自己写的，用的是德飞莱的开发板。



单片机源程序如下:
  1. #include< reg52.h>
  2. #include "delay.h"
  3. #include "ds1302.h"
  4. #include"display.h"
  5. #include"18b20.h"
  6. #include"keyboard.h"

  8. extern bit ReadTimeFlag;//定义读时间标志
  9. extern bit ReadFlag;       //读时间标志位 “1s”
  10. sbit led = P1^1;           //led定义
  11. extern bit ReadTempFlag;//定义读温度标志
  12. extern unsigned char dofly_DuanMa[10];
  13. extern unsigned char dofly_WeiMa[8];
  14. extern unsigned char TempData[9]; //存储显示值的全局变量
  15. unsigned int temps[10];           //用来存放采集到的温度
  16. void model_1 ();                 //模式一间隔时间选择
  17. void model_2 ();                 //模式二时钟显示


  20. unsigned char out = 1;           //用来累计采取时间的
  21. unsigned char s = 1;           //时间间隔的选择位
  22. bit m,a,y,w,z,k;

  24. void main()
  25. {
  26.            unsigned char key,temp_1,j;                 //按键，数组的变量
  27.            unsigned int TempH,TempL,temp;           //温度的转换
  28.            static unsigned char time = 0;
  29.            Init_Timer0();                                 //定时器0的初始化
  30.            Ds1302_Init();                                 //时钟的初始化
  31.            Ds1302_Write_Time();                       //重新写入
  32.            while(1)
  33.            {
  34.                  key = KeyScan();                 //键盘扫面
  35.                  if(key == 4&& m == 0)           //key4、key7按下，进入选择时间间隔
  36.                        {
  37.                            z = 1;                 //表示key4和key7不同的模式
  38.                            model_1 ();           //时间间隔
  39.                            s++;                
  40.                            if(s == 4)           //时间间隔的四种选择
  41.                                  s = 0;          
  42.                        }      
  43.                  if(key == 5)                 //确认采集间隔时间
  44.                            m = 1;
  45.                  if(m == 1&& ReadTimeFlag&& k == 0)
  46.                        {
  47.                            ReadTimeFlag=0;
  48.                            Ds1302_Read_Time();
  49.                            model_2 ();                       //显示时钟
  50.                            if(ReadTempFlag == 1)       //读取温度标志位
  51.                            {
  52.                                  ReadTempFlag = 0;
  53.                                  time++;
  54.                                  if(out == time)       //到达指定采集间隔
  55.                                        {
  56.                                            time = 0;
  57.                                            temp=ReadTemperature();           //读取温度
  58.                                            if(j<10 || (out == time))           //每一次到达指定时间读取，不是一次到达读取十次
  59.                                            {
  60.                                                  temps[j++] = temp;                 //依次存入数组中
  61.                                                  if(j == 10)
  62.                                                        {
  63.                                                            j = 0;
  64.                                                            led = 0;                 //温度采集完点亮led
  65.                                                        }
  66.                                            }      
  67.                                        }
  68.                              }                                
  69.                        }
  70.                  if(led == 0)
  71.                        k = 1;                 //k表示key = 6的情况
  72.                  if(key == 6&& k == 1)
  73.                  {
  74.                        led = 1;          
  75.                        m = 0;
  76.                        z = 0;
  77.                        if(temp_1< 10)
  78.                        {
  79.                            temp_1++;
  80.                            if(temp_1 == 9)
  81.                                  y = 1;
  82.                        }
  83.                  }
  84.                  if(k == 1)                 //依次显示索引和采集的温度
  85.                  {
  86.                        if(temp_1<10)
  87.                        {
  88.                            TempData[0] = 0x40;
  89.                            TempData[1] = dofly_DuanMa[(temp_1)/10];           //索引
  90.                            TempData[2] = dofly_DuanMa[(temp_1)%10];
  91.                            TempH=temps[temp_1]>>4;
  92.                            TempL=temps[temp_1]&0x0F;
  93.                            TempL=TempL*5/10;//小数近似处理
  94.                            TempData[5]=0x40;
  95.                            TempData[6]=dofly_DuanMa[(TempH%100)/10]; //十位温度
  96.                            TempData[7]=dofly_DuanMa[(TempH%100)%10]; //个位温度,带小数点
  97.                            TempData[3] = 0;
  98.                            TempData[4] = 0;
  99.                        }
  100.                  }
  101.                  if(key == 7&& y == 1&& z == 0)           //进入参数设置界面，进行下一次的温度采集工作
  102.                        {
  103.                            TempData[0]=0;                 //固定显示
  104.                            TempData[1]=0;
  105.                            TempData[2]=0;
  106.                            TempData[3]=0;
  107.                            TempData[4]=0;
  108.                            TempData[5]=0x40;
  109.                            TempData[6]=dofly_DuanMa[0];
  110.                            TempData[7]=dofly_DuanMa[1];
  111.                            k = 0;
  112.                            y = 0;
  113.                            s = 1;
  114.                            temp_1 = 0;
  115.                        }
  116.            }
  117. }
  118. void model_1 ()                 //模式一间隔时间选择
  119. {
  120.                       
  121.                        TempData[0]=0;                 //固定显示
  122.                        TempData[1]=0;
  123.                        TempData[2]=0;
  124.                        TempData[3]=0;
  125.                        TempData[4]=0;
  126.                        TempData[5]=0x40;
  127.                        switch(s)
  128.                        {
  129.                        case 1:
  130.                              TempData[6]=dofly_DuanMa[0];
  131.                              TempData[7]=dofly_DuanMa[5];
  132.                              out = 5;
  133.                        break;
  134.                        case 2:
  135.                              TempData[6]=dofly_DuanMa[3];
  136.                              TempData[7]=dofly_DuanMa[0];
  137.                              out = 30;
  138.                        break;
  139.                        case 3:
  140.                              TempData[6]=dofly_DuanMa[6];//秒
  141.                              TempData[7]=dofly_DuanMa[0];
  142.                              out = 60;
  143.                        break;
  144.                        case 0:
  145.                              TempData[6]=dofly_DuanMa[0];
  146.                              TempData[7]=dofly_DuanMa[1];
  147.                              out = 1;
  148.                        break;
  149.                        }
  150. }      


  153.        /*------------------------------------------------
  154.          读取1302的值       默认 RTC 时间： 23 时 59 分 50 秒
  155.            模式二 ：时钟显示
  156.        ------------------------------------------------*/
  157. void model_2 ()                      
  158. {
  159.            TempData[0]=dofly_DuanMa[time_buf1[0]/10];//时       //数据的转换，
  160.            TempData[1]=dofly_DuanMa[time_buf1[0]%10];//因我们采用数码管0~9的显示,将数据分开
  161.            if(ReadFlag)
  162.                  TempData[2]=0x40;                                         //加入"-"
  163.            else
  164.                  TempData[2] = 0;
  165.            TempData[3]=dofly_DuanMa[time_buf1[1]/10];//分
  166.            TempData[4]=dofly_DuanMa[time_buf1[1]%10];
  167.            if(ReadFlag)
  168.                        TempData[5]=0x40;
  169.            else
  170.                  TempData[5] = 0;
  171.                  ReadFlag = 0;
  172.            TempData[6]=dofly_DuanMa[time_buf1[2]/10];//秒
  173.            TempData[7]=dofly_DuanMa[time_buf1[2]%10];      
  174. }
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