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http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=2940 [º¹»ç]


µ¿ÀÏÇÑ Áú¹®À» ¿©±âÀú±â¿¡ ¿Ã¸®½Å°ÇÁö.. ¾Æ´Ï¸é Çб³ ·¹Æ÷Æ®ÀÎÁö´Â ¸ð¸£°Ú³×¿ä.
¾Æ·¡ ¼Ò½º´Â Å×½ºÆ®Çغ¸Áö ¾Ê¾ÒÀ¸³ª, ³í¸®ÀûÀ¸·Î ¼öÁ¤ÇÑ°ÍÀ̱⿡ Å×½ºÆ®Çغ¸¼¼¿ä.

°ü·Ã URL : http://clien.m.oolzo.com/View.aspx?site=138&page=2&wr_id=610547&sfl=wr_subject%7C%7Cwr_content
======================================================================
#include<avr/io.h>
#include<avr/interrupt.h>
#include<util/delay.h>

unsigned char Time_STOP=0; // Àü¿ª»ó¼ö: ¸ØÃß´Â ½Ã°£ ÃʱâÈ­
SIGNAL(SIG_INTERRUPT0); //Function ¼±¾ð

/***
* main Function
***/
int main()
{
        unsigned char LED_DATA=0x01; // Ãʱâ LED_DATA 0x01

        // ÇöÀç »ç¿ëµÇ´Â°÷ ¾øÀ½
        DDRD=0xFE;
        DDRE=0xFF;
        EICRA=0x0f;
        EICRB=0x00;
        EIFR=0x01;

        sei();
        while(1)
        {
                PORTE=LED_Data;
                if(Time_STOP==0)
                {
                                if(LED_Data==0x80)  LED_Data>>=1; // 1bit shift right LEDÀ̵¿½ÃÅ´
                                else                        LED_Data<<=1; // 1bit shift left LEDÀ̵¿½ÃÅ´
                        /*
                                if(LED_Data==0x80)  LED_Data=0x01; // 0x80 ¸¶Áö¸·À̸é 0x01·Î ÃʱâÈ­
                                else LED_Data<<=1; // 1bit shift LEDÀ̵¿½ÃÅ´
                        */
                }
        _delay_ms(100); // 100ms delay
        }
        return 0;
}

/***
* SIGNAL Function
***/
SIGNAL(SIG_INTERRUPT0)
{
        cli();
        // 3Ç×½ÄÀ¸·Î º¯°æ
        Time_STOP=(Time_STOP==0)?1:0;// Not Gate
        /*
                if(Time_STOP==0) Time_STOP=1;
                else Time_STOP=0;
        */
        sei();
}

/* vim:set ft=c ts=2 sw=2 sts=2 sta ai bs=2: */

===============================================================================

>¿ÞÂÊÀ¸·Î ÇÑ ºñÆ®¾¿ À̵¿Çϸ鼭 ÄÑÁö´Â ¼Ò½ºÀä~
>
>ÀÌ°Ô ¿ÞÂÊÀ¸·Î ºñÆ®°¡ ´Ù À̵¿ÇÏ¸é ´Ù½Ã ÃʱⰪÀ» Á༭ ¹«ÇÑ ·çÇÁ¸¦ µµ´Âµ¥¿ä~
>
>ÃʱⰪÀÌ µÇ±â Àü¿¡ ´Ù½Ã °Å²Ù·Î ¿À¸¥ÂÊÀ¸·Î ÇѺñÆ®¾¿ ¿Å°Ü LED°¡ ¼øÂ÷ Á¡µîÇÏ´Â ¹æ¹ýÀ» ¸ô¶ó¼­¿ä~
>
>¿ÞÂÊÀ¸·Î ¼øÂ÷ Á¡µîÇÏ´Ù°¡ ÃʱⰪÀ¸·Î µ¹¾Æ¿ÀÁö¾Ê°í ¹Ý´ë ¹æÇâÀ¸·Î ¼øÂ÷ Á¡µî ÇÏ¿© ¹«ÇÑ·çÇÁ¸¦ µ¹ ¼Ò½ºÁ»
>
>¹Ø¿¡ ¼Ò½º¿¡¼­ Ãß°¡ÇؾßÇÒ °Í Á» ¾Ë·ÁÁÖ¼¼¿ä~ ¸¶ÀÌÅ©·Î ÇÁ·Î¼¼¼­¸¦ ÷ Á¢ÇغÁ¼­ ÀÌ·¡Àú·¡ ¾î·Æ³×¿ä¤Ð
>
>C ½Ç·Âµµ ÇüÆí¾ø´ÂÁö¶ó... ºÎŹµå¸³´Ï´Ù.
>
>
>#include<avr/io.h>
>#include<avr/interrupt.h>
>#include<util/delay.h>
>
>unsigned char Time_STOP=0;
>
>SIGNAL(SIG_INTERRUPT0);
>
>int main()
>{
>        unsigned char LED_DATA=0x01;
>
>        DDRD=0xFE;
>        DDRE=0xFF;
>        EICRA=0x0f;
>        EICRB=0x00;
>        EIFR=0x01;
>
>        sei();
>        while(1)
>        {
>                PORTE=LED_Data;
>
>                if(Time_STOP==0)
>                {
>                        if(LED_Data==0x80)  LED_Data=0x01;
>                        else LED_Data<<=1;
>                }
>        _delay_ms(100);
>        }
>        return 0;
>}
>
>SIGNAL(SIG_INTERRUPT0)
>{
>        cli();
>        if(Time_STOP==0)
>                Time_STOP=1;
>        else
>                Time_STOP=0;
>                sei();
>}
===============================================================================

  Hit : 8946     Date : 2011/04/06 11:40



    
blueh4g ¾î, ¹ú½á ´ä±Û ´Þ·È¾ú±¸³ª;;

±Ùµ¥ Áö±Ý Àú ¼Ò½º´ë·Î¶ó¸é ÇÑÄ­¾¿ ¿·À¸·Î ¿òÁ÷ÀÌ´Ù°¡ ¸Ç ³¡¿¡ µµ´ÞÇÏ¸é °ªÀÌ °è¼ÓÇؼ­

0x80 -> 0x40 -> 0x80 -> 0x40 -> 0x80 -> 0x40 ....

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