water_fall.lst

来自「source code for waterfall project in hit」· LST 代码 · 共 34 行

     1: #include<pic.h>
     2: void delay(void)
     3: {
     4:         unsigned int i;
     5:         for(i=0;i<=50000;i++);
     6:         {}
     7: }
     8: void main()                             //WDT_ON
     9: {
    10:         unsigned char x,y;
    11:         TRISC=0x00;                     //make PORTC as output
    12:         PORTC=0x01;     
    13:         x=0b00000001;           //0x01
    14:         y=0b01111111;           //0x7f          
    15:         while(1)
    16:         {
    17:         delay();
    18:         x=x<<1;
    19:         PORTC=PORTC|x;
    20:         if(PORTC==0b11111111)
    21:         {
    22:         while(PORTC!=0b00000000)
    23:         {
    24:         delay();
    25:         PORTC=PORTC&y;
    26:         y=y>>1;
    27:         }
    28:         PORTC=0b00000001;
    29:         x=0b00000001;
    30:         y=0b01111111;
    31:         delay();
    32:         }}
    33: }