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»ðÑæ?zh¨¨n)÷¸ÐÆ÷†ÎƬ™C(j¨©)c´ú´a
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intersting
•rég:
2018-12-19 21:06
˜Ë(bi¨¡o)î}:
»ðÑæ?zh¨¨n)÷¸ÐÆ÷†ÎƬ™C(j¨©)c´ú´a
#include<reg52.h>
#include <intrins.h>
void led();
sbit out=P2^3;//¶¨Áx»ðÑæ?zh¨¨n)÷¸ÐÆ÷DOÝ”³öÒýÄ_
//sbit led=P2^4;
void delay(int x)
{
int i,j;
for(i=0;i<x;i++)
for(j=0;j<110;j++);
}
void led()
{
unsigned char LED;
LED = 0xfe; //0xfe = 1111 1110
while(1)
{
P1 = LED;
delay(250);
LED = LED << 1; //Ñh(hu¨¢n)ÓÒÒÆ1룬üc(di¨£n)ÁÁÏÂÒ»‚€LED "<<"žé×óÒÆÎ»
if(P2 == 0x00 )
{
LED = 0xfe;
} // 0xfe = 1111 1110
}
}
int main()
{
while(1)
{
if(out==0)//Èç¹û™zœyµ½»ðÑæ²¢ÇÒСÓÚÔO(sh¨¨)¶¨µÄÖµ£¬»ðÑæ?zh¨¨n)÷¸ÐÆ÷·µ»ØÒ»‚€0µÍëŠÆ½£¬×¢Òâ®”(d¨¡ng)Ä£‰K½ÓͨëŠÔ´•rDOÄ_ÊÇ1¸ßëŠÆ½¡£
{
led();//Õ{(di¨¤o)ÓÃÅÜñRŸôled
}
}}
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admin
•rég:
2018-12-20 02:31
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