port.h

51单片机驱动SC1602液晶块的代码

  sbit P0_0=P0^0;
  sbit P0_1=P0^1;
  sbit P0_2=P0^2;
  sbit P0_3=P0^3;
  sbit P0_4=P0^4;
  sbit P0_5=P0^5;
  sbit P0_6=P0^6;
  sbit P0_7=P0^7;

  sbit P1_0=P1^0;
  sbit P1_1=P1^1;
  sbit P1_2=P1^2;
  sbit P1_3=P1^3;
  sbit P1_4=P1^4;
  sbit P1_5=P1^5;
  sbit P1_6=P1^6;
  sbit P1_7=P1^7;

  sbit P2_0=P2^0;
  sbit P2_1=P2^1;
  sbit P2_2=P2^2;
  sbit P2_3=P2^3;
  sbit P2_4=P2^4;
  sbit P2_5=P2^5;
  sbit P2_6=P2^6;
  sbit P2_7=P2^7;

  sbit P3_0=P3^0;
  sbit P3_1=P3^1;
  sbit P3_2=P3^2;
  sbit P3_3=P3^3;
  sbit P3_4=P3^4;
  sbit P3_5=P3^5;
  sbit P3_6=P3^6;
  sbit P3_7=P3^7;