¹Ø¼ü´Ê£ºZigBee Êý¾Ý²É¼¯ е÷Æ÷
ʱ¼ä£º2012-03-15 11:41:40 À´Ô´£ºm.188betcomÊÖ»ú°æ
0 ÒýÑÔ
Ëæ׿ÆËã»úÍøÂç¼¼Êõ¼°ÎÞÏßÒƶ¯Í¨Ðż¼ÊõµÄѸËÙ·¢Õ¹£¬¸÷ÖÖеÄÎÞÏßÍøÂçͨÐż¼Êõ²»¶ÏÓ¿ÏÖ£¬ÈçGSM,3GµÈÎÞÏßÒƶ¯Í¨Ðż¼ÊõÒÔ¼°À¶ÑÀ¡¢WiFiµÈÎÞÏß¾ÖÓòÍø¼¼Êõ£¬ËüÃÇÔ½À´Ô½±»ÈËÃÇËùÊìϤºÍÓ¦Óá£È»¶ø£¬ÕâЩ¼¼ÊõµÄÉ豸ϵͳ·Ç³£¸´ÔÓ£¬ÇÒ¹¦ºÄ½Ï´ó¡¢³É±¾ºÜ¸ß£¬²»±ãÓÚÔÚһЩµÍÊý¾ÝËÙÂʺÍͨÐÅ·¶Î§½ÏСµÄ³¡ºÏʹÓã¬ÀýÈçÊý¾Ý²É¼¯ÏµÍ³¡¢ÖÇÄܼҾӵÈÁìÓò¡£½üÄêÀ´£¬ÎÞÏß´«¸ÐÍøµÄ³öÏÖΪÕâЩÎÊÌâ´øÀ´Á˸üºÃµÄ½â¾ö·½·¨£¬ÆäÖÐZigBee×÷ΪһÖֵ͸´ÔӶȡ¢µÍ¹¦ºÄ¡¢µÍ³É±¾µÄµÍËÙÂÊÎÞÏßÁ¬½Ó¼¼ÊõÔ½À´Ô½±»ÈËÃÇËùÖØÊÓ£¬¿ª·¢Ó¦ÓÃZigBee¼¼ÊõµÄÎÞÏßÉ豸ÒѳÉΪҵ½çµÄÒ»¸öÈȵ㡣±¾ÎÄÉè¼ÆÒ»ÖÖ»ùÓÚZigBeeµÄÎÂʪ¶ÈÊý¾Ý²É¼¯ÏµÍ³£¬ÀûÓÃCC2430ͨÐÅÄ£¿é×齨СÐÍÎÞÏß´«¸ÐÆ÷ÍøÂ磬²¢ÊµÏÖÁË´«¸ÐÆ÷ÍøÂçµÄÈíÓ²¼þÉè¼Æ¡£ÆäËã·¨¾¸ÉÈÅ»·¾³Ï²âÊÔ±íÃ÷£¬ÍøÂç¾ßÓнÏÇ¿µÄ³°ôÐÔºÍ×Ô×éÄÜÁ¦¡£
1 ZigBee¼¼Êõ¼°CC2430¼ò½é
1.1 ZigBee¼¼Êõ
ZigBee¼¼ÊõÊÇÒ»ÖÖÐÂÐ˵Ľü¾àÀë¡¢µÍ¸´ÔӶȡ¢µÍ¹¦ºÄ¡¢µÍÊý¾ÝËÙÂʺ͵ͳɱ¾µÄÎÞÏßÍøÂç¼¼Êõ¡£ËüÊǽéÓÚÎÞÏß±ê¼Ç¼¼ÊõºÍÀ¶ÑÀÖ®¼äµÄ¼¼Êõ£¬Ö÷ÒªÓÃÓÚ½ü¾àÀëÎÞÏßÁ¬½Ó¡£Ò»°ã¶øÑÔ£¬Ëæ×ÅͨОàÀëµÄÔö´ó£¬É豸µÄ¸´ÔӶȡ¢¹¦ºÄÒÔ¼°ÏµÍ³³É±¾¶¼ÔÚÔö¼Ó¡£Ïà¶ÔÓÚÏÖÓеĸ÷ÖÖÎÞÏßͨÐż¼Êõ£¬ZigBee¼¼ÊõÊÇ×îµÍ¹¦ºÄºÍ×îµÍ³É±¾µÄ¼¼Êõ¡£ÓÉÓÚZigBee¼¼ÊõµÄµÍÊý¾ÝËÙÂʺÍͨÐÅ·¶Î§½ÏСµÄÌص㣬¾ö¶¨ÁËZigBee¼¼ÊõÊʺÏÓÚ³ÐÔØÊý¾ÝÁ÷Á¿½ÏСµÄÒµÎñ¡£ËùÒÔZigBeeÁªÃËÔ¤²âµÄÖ÷ÒªÓ¦ÓÃÁìÓò°üÀ¨¹¤Òµ¿ØÖÆ¡¢Ïû·ÑÐÔµç×ÓÉ豸¡¢Æû³µ×Ô¶¯»¯¡¢Å©Òµ×Ô¶¯»¯ºÍÒ½ÓÃÉ豸¿ØÖƵȡ£
1.2 CC2430оƬ
¸ÃÉè¼ÆµÄ΢´¦ÀíÆ÷ʹÓÃTI¹«Ë¾µÄCC2430,Ëü¿ÉÓÃÓÚ2.4 GHz IEEE 802.15.4/ZigBeeµÄƬÉÏϵͳ½â¾ö·½°¸¡£CC2430ÄÚ²¿ÕûºÏÁËIEEE80 2.15.4±ê×¼µÄ2.4 GHzµÄRFÎÞÏßµçÊÕ·¢»ú¡¢ÄÚ´æºÍ΢¿ØÖÆÆ÷¡£ËüʹÓÃÒ»¸ö8λMCU£¨8051£©£¬ÓÐ128 KBµÄ¿É±à³ÌÉÁ´æºÍ8 KBµÄRAM,ͬʱ»¹°üº¬ADC¡¢¶¨Ê±Æ÷¡¢AES-128Ðͬ´¦ÀíÆ÷¡¢¿´ÃŹ·¶¨Ê±Æ÷¡¢µôµç¼ì²âµç·µÈ¡£CC2430оƬ²ÉÓÃ0.18¦Ìm CMOS¹¤ÒÕÉú²ú£¬·â×°³ß´ç½ö7 mm¡Á7 mm.΢´¦ÀíÆ÷È«ËÙ¹¤×÷ƵÂÊΪ32 MHz,ÔÚ½ÓÊպͷ¢ÉäģʽÏ£¬µçÁ÷ËðºÄԼΪ27 mA.CC2430µÄÐÝÃßģʽÒÔ¼°Æä´ÓÐÝÃßģʽת»»µ½¹¤×÷ģʽµÄ³¬¶Ìʱ¼ä£¨ÔÚ΢Ã뼶£©µÄÌØÐÔ£¬ÌرðÊʺÏÄÇЩҪÇóµç³ØÊÙÃü·Ç³£³¤µÄÓ¦Óá£
2 Êý¾Ý²É¼¯ÏµÍ³×ÜÌå¼Ü¹¹
..
·ÖÏíµ½£º
²ÂÄãϲ»¶