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標題: 51單片機六路搶答器程序（1602顯示） [打印本頁]

作者: 孫文超 時間: 2020-9-25 19:47
標題: 51單片機六路搶答器程序（1602顯示）
#include "lcd.h"
void Lcd1602_Delay1ms(uint c)
{
uchar a,b;
      for (c=0; c>0; c--)
      {
               for (b=199;b>0;b--)
               {
                        for(a=1;a>0;a--);
               }
      }

}

#ifndef       LCD1602_4PINS
void LcdWriteCom(uchar com)
{
      LCD1602_E = 0;
      LCD1602_RS = 0;
      LCD1602_RW = 0;

      LCD1602_DATAPINS = com;
      Lcd1602_Delay1ms(1);

      LCD1602_E = 1;
      Lcd1602_Delay1ms(5);
      LCD1602_E = 0;
}
#else
void LcdWriteCom(uchar com)
{
      LCD1602_E = 0;
      LCD1602_RS = 0;
      LCD1602_RW = 0;

      LCD1602_DATAPINS = com;
      Lcd1602_Delay1ms(1);

      LCD1602_E = 1;
      Lcd1602_Delay1ms(5);
      LCD1602_E = 0;

      LCD1602_DATAPINS = com << 4;
      Lcd1602_Delay1ms(1);

      LCD1602_E = 1;
      Lcd1602_Delay1ms(5);
      LCD1602_E = 0;
}
#endif

#ifndef       LCD1602_4PINS
void LcdWriteData(uchar dat)
{
      LCD1602_E = 0;
      LCD1602_RS = 1;
      LCD1602_RW = 0;

      LCD1602_DATAPINS = dat;
      Lcd1602_Delay1ms(1);

      LCD1602_E = 1;
      Lcd1602_Delay1ms(5);
      LCD1602_E = 0;
}
#else
void LcdWriteData(uchar dat)
{
      LCD1602_E = 0;
      LCD1602_RS = 1;
      LCD1602_RW = 0;

      LCD1602_DATAPINS = dat;
      Lcd1602_Delay1ms(1);

      LCD1602_E = 1;
      Lcd1602_Delay1ms(5);
      LCD1602_E = 0;

      LCD1602_DATAPINS = dat << 4;
      Lcd1602_Delay1ms(1);

      LCD1602_E = 1;
      Lcd1602_Delay1ms(5);
      LCD1602_E = 0;
}
#endif
#ifndef             LCD1602_4PINS
void LcdInit()
{
      LcdWriteCom(0x38);
      LcdWriteCom(0x0c);
      LcdWriteCom(0x06);
      LcdWriteCom(0x01);
      LcdWriteCom(0x80);
}
#else
void LcdInit()
{
      LcdWriteCom(0x32);
      LcdWriteCom(0x28);
      LcdWriteCom(0x0c);
      LcdWriteCom(0x06);
      LcdWriteCom(0x01);
      LcdWriteCom(0x80);
}
#endif

`LIA8]ZMJJ0S}9@H6%F02CU.png (66.13 KB, 下載次數: 45)

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LCD1602.rar

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