ɽ¶«´óѧǶÈëʽʵÑ鱨¸æ ÏÂÔØ±¾ÎÄ

#define INTMSK (*(volatile unsigned long *)0x4A000008) #define PRIORITY (*(volatile unsigned long *)0x4A00000c) #define INTPND (*(volatile unsigned long *)0x4A000010) #define INTOFFSET (*(volatile unsigned long *)0x4A000014) #define SUBSRCPND (*(volatile unsigned long *)0x4A000018) #define INTSUBMSK (*(volatile unsigned long *)0x4A00001c) /*external interrupt registers*/

#define EINTMASK (*(volatile unsigned long *)0x560000a4) #define EINTPEND (*(volatile unsigned long *)0x560000a8)

¾­·ÖÎöÖª£¬s2440addr.hÎļþÖеÄÖ÷ÒªÄÚÈÝÊǶ¨ÒåÁËһЩ¿´ÃŹ·£¬SDRAM£¬GPIOµÈµÄ¼Ä´æÆ÷µØÖ·£¬²¢¶¨ÒåÁË´®¿ÚͨѶºÍÖжεļĴæÆ÷µØÖ·¡£ 2£©·ÖÎöÖжϿØÖƳÌÐòµÄ½á¹¹¡£

Ê×ÏÈÒª¶ÔÖжνøÐгõʼ»¯£¬²¢¶Ô¶Ë¿Ú¹¦ÄÜÉ趨¡£¼Ì¶ø½øÐÐÏàÓ¦ÖжÎʹÄÜ£¬´ò¿ªÓйØÖÐ¶ÎÆÁ±Î룬²¢½øÈëÖ÷º¯ÊýµÈ´ýÖжϣ¬Ö±µ½ÖжβúÉú£¬ÓÉÖжÎÏòÁ¿±í½øÈëÖжÎÖ´ÐÐÖжγÌÐò¡£×îºóÍ˳öÖжϣ¬Çå³ýµ±Ç°Öжαê־룬µÈ´ýÏ´ÎÖжΡ£

3£©×Ðϸ·ÖÎöÖжϳõʼ»¯³ÌÐòºÍÖжϴ¦Àí³ÌÐòÖмĴæÆ÷µÄÉèÖ÷½·¨£¬²¢Àí½âÆäº¬Òå¡£ ¶Ô¼Ä´æÆ÷µÄÉèÖÃÊÇͨ¹ýλÔËË㣬ÏȽ«ÏëÒª¸Ä±äµÄÊýÖµÒÆÖÁÏàӦλʱ£¬ÔÙͨ¹ýÓ룬»ò£¬·ÇÀ´´ïµ½ÏàÓ¦¸Ä±ä¼Ä´æÆ÷ijһλֵµÄÄ¿µÄ¡£ 4£©×ܽáÖжϳÌÐòµÄÉè¼Æ·½·¨¡£

Ê×ÏÈ£¬ÔÚ³õʼ»¯»ã±à³ÌÐòÖÐÇл»ÖÁÓû§Ä£Ê½£¬²¢½øÈëÖжÏģʽÉèÖÃÏàÓ¦Ö¸ÕëµÈ£»²¢ÔÚ»ã±àÖе÷ÓÃmainº¯ÊýºÍÖжϺ¯Êý¡£½¨Á¢ÖжÏÈë¿ÚʸÁ¿±í£¬Í¬Ê±¹Ø±Õ¿¨ÃŹ·¶¨Ê±Æ÷£»±àдÖжϴ¦Àíº¯Êý£¬ºÍmainº¯Êý£¬ÔÚmainº¯ÊýÖеȴýÖжϵIJúÉú¡£ ........ºöÂÔ´Ë´¦.......