lesson1.lst

来自「PIC16F877入门程序和仿真原理图」· LST 代码 · 共 35 行

     1: #include<pic.h>
     2: #define uchar unsigned char
     3: #define uint unsigned int
     4: //_CONFIG(0X3B31);
     5: //***********延时z毫秒***********/
     6: void delay(uint z)
     7: {
     8: uint x,y;
     9: for(x=z;x>0;x--)
    10: for(y=110;y>0;y--);
    11: }
    12: void main()
    13: {
    14: uchar i;
    15: TRISD=0X00;
    16: while(1)
    17: {
    18: PORTD=0X01;//RD0=1;点亮LED灯
    19: for(i=0;i<8;i++)
    20: {
    21: delay(500);
    22: PORTD=PORTD<<1; 
    23: }
    24: PORTD=0X80;
    25: for(i=8;i>0;i--)
    26: {
    27: PORTD=PORTD>>1;
    28: delay(200);
    29: }       
    30: }
    31: //下面为位操作：
    32: //TRISD0=0;
    33: //RD0=1;
    34: }