lesson2.lst

PIC16F877入门程序和仿真原理图

     1: #include <pic.h>
     2: #define uchar unsigned char
     3: #define uint unsigned int
     4: uchar table[]={0x40,0xf9,0xa4,0xb0,0x19,0x12,0x03,0xf8,0x00,0x10};
     5: uchar table_we[]={0x01,0x02,0x04,0x08,0x10,0x20};
     6: //***********延时z毫秒***********/
     7: void delay(uint z)
     8: {
     9: uint x,y;
    10: for(x=z;x>0;x--)
    11: for(y=110;y>0;y--);
    12: }
    13: void init()
    14: {
    15: TRISD=0X00;//设置D端口为输出
    16: TRISB=0X00;
    17: }
    18: void main()
    19: {
    20: uchar i;
    21: init(); 
    22: while(1)
    23: {
    24:         for(i=0;i<6;i++)
    25:         
    26:         {
    27:         PORTB=table_we[i];
    28:         PORTD=table[i];
    29:         delay(4);
    30:         }
    31: }
    32: }