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单片机程序下载到板子上1602液晶板不显示，偶尔显示一下

f31e612039b4260b 2020-07-18 浏览量：464

#include <REGX51.H>
#include"LCD1602.h"
void Delay1ms(unsigned int xms)             //@12.000MHz
{
      while(xms)
      {
            unsigned char i j;                //定义毫秒的延时

            i = 2;
            j = 239;
            do
            {
                     while (--j);
            } while (--i);
            xms--;
      }
}
void dierduan ()
{
            int years  = 2020;                      //万年历 //定义初始值
            int months = 7;
            int date  = 15;

            int hour = 0;                               //从零开始
            int minute = 0;
            int second = 0;



                     LCD_Init();
                     LCD_ShowString(11"Date");                      //LCD显示
                     LCD_ShowNum(16 years4);
                     LCD_ShowNum(111 months2);
                     LCD_ShowNum(114date2);
                     LCD_ShowString(21"Time");
                     LCD_ShowNum(26 hour2);
                     LCD_ShowNum(29 minute2);
                     LCD_ShowNum(212 second2);
                     LCD_ShowString(215"WE");
                     while(1)
                     {

                              if (second<60)                                                 //秒数增加
                              {
                                    second++;
                                    Delay1ms(1000);
                                    LCD_ShowNum(212 second2);
                              }
                              if(second==60)                                                 //分钟增加
                              {
                                       second = 0;
                                    minute++;
                                    LCD_ShowNum(29 minute2);
                              }
                              if(minute==60)                                        //小时增加
                              {
                              minute = 0;
                              hour++;
                              LCD_ShowNum(29 minute2);
                           LCD_ShowNum(26 hour2);
                              }
                              if(hour==24)                                                 //天数增加
                              {
                                       hour=0;
                                    date++;
                                    LCD_ShowNum(26 hour2);
                                    LCD_ShowNum(114date2);
                                    LCD_ShowString(215"WE");

                              }
                              if(date==30)                                                 //月份增加
                              {
                                       date=0;
                                    months++;
                                    LCD_ShowNum(111 months2);
                              LCD_ShowNum(114date2);
                              }
                              if(months==12)                                                       //年份增加
                              {
                                       months=0;
                                    years++;
                                    LCD_ShowString(11"Date");
                              LCD_ShowNum(16 years4);
                              LCD_ShowNum(111 months2);
                              }



                              if(P3_0==0)                                                       //长按键增加秒数
                              {
                                       Delay1ms(10);
                                    while(P3_0);
                                    Delay1ms(10);
                                    ++second;
                                    LCD_ShowNum(212 second2);
                              }
                              else if(P3_1==0)                                                       //长按键减少秒数
                              {
                                       Delay1ms(10);
                                    while(P3_1);
                                    Delay1ms(10);
                                    --second;
                                    LCD_ShowNum(212 second2);
                              }
                                    else if(P3_2==0)
                              {                                                                                     //长按键增加天数
                                       Delay1ms(10);
                                    while(P3_2);
                                    Delay1ms(10);
                                    ++date;
                                    LCD_ShowNum(114date2);

                              }
                              else if(P3_3==0)                                                          //长按键减少天数
                              {
                                       Delay1ms(10);
                                    while(P3_3);
                                    Delay1ms(10);
                                    date--;
                                    LCD_ShowNum(114date2);
                              }

                     }
}
main ()
{

      LCD_Init();
   LCD_ShowString(11"Hello!");                                        //LCD显示Hello
      Delay1ms(10000);                                                                //延迟显示10秒
      LCD_Init();
      LCD_ShowString(11"WL1908104020");                         // LCD显示
      Delay1ms(6000);                                                                // 延迟6秒
      LCD_Init();
      LCD_ShowString(11"DUANZUNCHENG");                         //  LCD显示
      Delay1ms(9000);                                                                //  延迟9秒

      dierduan () ;



      while (1)
      {
      }

}

单片机

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