water_fall.c

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

#include<pic.h>
void delay(void)
{
	unsigned int i;
	for(i=0;i<=50000;i++);
	{}
}
void main()				//WDT_ON
{
	unsigned char x,y;
	TRISC=0x00;			//make PORTC as output
	PORTC=0x01;	
	x=0b00000001;		//0x01
	y=0b01111111;		//0x7f		
	while(1)
	{
	delay();
	x=x<<1;
	PORTC=PORTC|x;
	if(PORTC==0b11111111)
	{
	while(PORTC!=0b00000000)
	{
	delay();
	PORTC=PORTC&y;
	y=y>>1;
	}
	PORTC=0b00000001;
	x=0b00000001;
	y=0b01111111;
	delay();
	}}
}