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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

CAN绺界窔鎺у埗鍣�
闁辫畝锛�12093鏅傞枔锛�2010-12-10 09:53:42

銆�銆�CAN绺界窔鎺у埗鍣ㄥ嵆Controller Area Network Bus鎺у埗鍣�锛屼綔鐐轰竴绋妧琛�(sh霉)鍏堥��,鍙潬鎬ч珮,鍔熻兘瀹屽杽,鎴愭湰鍚堢悊鐨勯仩绋嬬恫(w菐ng)绲�(lu貌)閫氳▕鎺у埗鏂瑰紡,CAN-bus鎺у埗閫愭琚唬娉涙噳(y墨ng)鐢ㄥ埌鍚勭ó鎺у埗闋�(l菒ng)鍩�銆侰AN-bus鏄垚鐐哄湅闅涙婧栫殑鐝�(xi脿n)鍫寸附绶�锛屼篃鏄湅闅涗笂鎳�(y墨ng)鐢� 鏈�寤ｆ硾鐨勭従(xi脿n)鍫寸附绶氫箣涓�.

涓昏鐗规��

銆�銆�澶氫富绲�(ji茅)妲�(g貌u)渚濇摎(j霉)鍎�(y艒u)鍏堟瑠(qu谩n)閫茶绺界窔瑷晱

銆�銆�鐒＄牬澹炴�х殑鍩轰簬鍎�(y艒u)鍏堟瑠(qu谩n)鐨勯�愪綅浠茶

銆�銆�鍊熷姪椹楁敹婵炬尝鍣ㄧ殑澶氬湴鍧�骞�鍌抽仦

銆�銆�閬犵▼鏁�(sh霉)鎿�(j霉)璜嬫眰

銆�銆�鍏ㄧ郴绲�(t菕ng)鏁�(sh霉)鎿�(j霉)鐩稿鎬�

銆�銆�閷妾㈡脯鍜屽嚭閷俊浠�

銆�銆�寰堥仩鐨勬暩(sh霉)鎿�(j霉)鍌宠几璺濋洟(闀烽仈10Km 10Km)

銆�銆�寰堥仩鐨勬暩(sh霉)鎿�(j霉)鍌宠几璺濋洟(闀烽仈10Km)

銆�銆�楂橀�熺殑鏁�(sh霉)鎿�(j霉)鍌宠几閫熺巼(楂橀仈1Mbps 1Mbps)

銆�銆�楂橀�熺殑鏁�(sh霉)鎿�(j霉)鍌宠几閫熺巼(楂橀仈1Mbps)

銆�銆�楂樺害瀵︽檪鎬�:姣忓箑鍫辨枃鍏佽ū鍌宠几8

銆�銆�楂樺害瀵︽檪鎬�:姣忓箑鍫辨枃鍏佽ū鍌宠几8鍊嬪瓧绡�(ji茅)鐨勬暩(sh霉)鎿�(j霉)

銆�銆�鐧�(f膩)閫佹湡闁撲笩澶变徊瑁佹垨鍑洪尟鑰岄伃鍒扮牬澹炵殑骞�鍙嚜鍕曢噸鐧�(f膩)

銆�銆�鏆檪閷鍜屾�ф晠闅滅瘈(ji茅)榛炵殑鍒ゅ垾浠ュ強鏁呴殰绡�(ji茅)榛炵殑鑷嫊鑴洟

銆�銆�鑴洟绺界窔鐨勭瘈(ji茅)榛炰笉褰遍熆绺界窔鐨勬甯稿伐浣�

CAN绺界窔鎺у埗瑕�(gu墨)鑼�

銆�銆�CANCAN-bus 瑕�(gu墨)鑼� CAN-bus 瑕�(gu墨)鑼�( Version 2.0 )

銆�銆�CAN2.0A :CAN妯欐簴鍫辨枃鏍煎紡

銆�銆�CAN2.0B :CAN妯欐簴鍫辨枃鏍煎紡鍜屾摯灞曞牨鏂囨牸寮�

銆�銆�ISO11898-1/2/3/4 鍦嬮殯妯欐簴

銆�銆�CAN-bus 鎶�琛�(sh霉)瑕�(gu墨)鑼冪殑鐩殑

銆�銆�瀹氱京鏁�(sh霉)鎿�(j霉)閺堣矾灞�

銆�銆�瀹氱京CAN鍗�(xi茅)璀板湪鍛ㄥ湇鍚勫堡涓墍鐧�(f膩)鎻殑浣滅敤

宸ヤ綔妯″紡

銆�銆�鐢变簬CAN鍗�(xi茅)璀扮殑鏇存柊,鏈�2.0A鍜�2.0B鍏╁�嬪崝(xi茅)璀�.鍥犳, 鏈変簡鍏╃ó宸ヤ綔妯″紡,鑰屼笉鍚屼箣铏曞氨鏄湪浜庡皪寰呮摯灞曞箑鐨� 铏曠悊鏂规硶.CAN鎺у埗鍣ㄧ殑鍏╃ó宸ヤ綔妯″紡鏄疊asicCAN妯� 寮忓拰PeliCAN宸ヤ綔妯″紡.鍏╃ó宸ヤ綔妯″紡鍦ㄥ瘎瀛樺櫒绛夋柟闈� 鍧囨湁鍗�(q奴)鍒�.

銆�銆�BasicCAN宸ヤ綔妯″紡鏄熀鏈殑宸ヤ綔妯″紡,灏嶆噳(y墨ng)浜�2.0A鍗�(xi茅) 璀�,鍦ㄦ妯″紡涓嬪彧鍙互鐧�(f膩)閫佸拰鎺ユ敹妯欐簴骞�鍫辨枃(11浣嶇殑妯� 璀樼⒓),濡傛灉姝ゆ檪鍦–AN绺界窔涓婃娓埌鎿村睍骞�鍫辨枃(29浣� 鐨勬璀樼⒓)涔熸槸瀹硅ū鐨�,骞朵笖濡傛灉鍫辨枃姝ｇ⒑鐨勮┍,鏈冪郸 鍑轰竴鍊嬫噳(y墨ng)绛斾俊铏�,浣嗘槸涓嶆渻鐢�(ch菐n)鐢熸帴鏀朵腑鏂�. 鑰孭eliCAN宸ヤ綔妯″紡鍓囧畬鍏ㄦ敮鎸佹摯灞曞箑鍫辨枃,鍔熻兘寮峰ぇ .鍖呭惈BasicCAN鍙堟瘮鍏跺姛鑳藉.

鍔熻兘浠嬬垂

CAN绺界窔鎺у埗鍣ㄧ祼(ji茅)妲�(g貌u)鍦�

CAN绺界窔鎺у埗鍣ㄧ祼(ji茅)妲�(g貌u)鍦�

銆�銆�CAN绺界窔鎺у埗鍣ㄥ姛鑳芥鍦�

CAN绺界窔鎺у埗鍣ㄥ姛鑳芥鍦�

 

銆�銆�鎺ュ彛绠＄悊閭忚集

銆�銆�鎺ュ彛绠＄悊閭忚集(IML)瑙ｉ噵渚嗚嚜CPU鐨� 鍛戒护,鎺у埗CAN瀵勫瓨鍣ㄧ殑灏嬪潃,鍚� 涓绘帶鍒跺櫒鎻愪緵涓柗淇℃伅鍜岀媭鎱�(t脿i)淇℃伅 .

銆�銆�鐧�(f膩)閫佺珐娌栧櫒

銆�銆�鐧�(f膩)閫佺珐娌栧櫒(TXB)鏄疌PU鍜孊SP(浣嶆祦铏� 鐞嗗櫒)涔嬮枔鐨勬帴鍙�.瀹冭兘澶犲瓨鍎查�氶亷 CAN缍�(w菐ng)绲�(lu貌)鐧�(f膩)閫佺殑涓�姊濆畬鏁村牨鏂�.绶╂矕 鍣ㄩ暦13鍊嬪瓧绡�(ji茅),鐢盋PU瀵叆,BSP璁�鍑� .

銆�銆�鎺ユ敹绶╂矕鍣�

銆�銆�鎺ユ敹绶╂矕鍣�(RXB,RXFIFO)鏄帴鏀舵烤娉㈠櫒 鍜孋PU涔嬮枔鐨勬帴鍙�,鐢ㄤ締瀛樺劜寰濩AN绺界窔 涓婃帴鏀跺苟琚⒑瑾嶇殑淇℃伅.鎺ユ敹绶╂矕鍣�(RXB ,13鍊嬪瓧绡�(ji茅))浣滅偤鎺ユ敹FIFO鐨勪竴鍊嬬獥鍙�,鍙� 浠ヨCPU瑷晱. CPu鍦ㄦFIFO鐨勬敮鎸佷笅,鍙互铏曠悊涓�姊濆牨 鏂囩殑鍚屾檪鎺ユ敹鍏朵粬鍫辨枃

銆�銆�椹楁敹婵炬尝鍣�

銆�銆�椹楁敹婵炬尝鍣�(AcFAccePtaneeFilter)鎶婂畠鐨勫収(n猫i)瀹� 鍜屾帴鏀跺埌鐨勬绀虹⒓鐩告瘮杓�,浠ユ焙瀹氭槸鍚︽帴鏀朵笅姊� 鍫辨枃.鍦ㄩ鏀舵脯瑭﹂�氶亷鍚�,閫欐瀹屾暣鐨勫牨鏂囧氨琚� 淇濆瓨鍦≧XFIFO涓�.

銆�銆�浣嶆祦铏曠悊鍣�

銆�銆�浣嶆祦铏曠悊鍣�(BSP)鏄竴鍊嬪湪鐧�(f膩)閫佺珐娌栧櫒, RXFIFO鍜孋AN绺界窔涔嬮枔鐨勬帶鍒舵暩(sh霉)鎿�(j霉)娴佺殑搴忓垪鐧�(f膩)鐢熷櫒.瀹冮倓鍩�(zh铆)琛岀附绶氫笂鐨勯尟瑾� 鐩�(ji膩n)娓�,浠茶,濉厖鍜岄尟瑾よ檿鐞�,鏄� 鏈ō(sh猫)瑷堜腑鐨勯噸榛炴ā濉�,灞簬cAN绺界窔鎺у埗鍣ㄤ腑 鐨勪腑蹇冩ā濉�

銆�銆�浣嶆檪搴忛倧杓�

銆�銆�浣嶆檪搴忛倧杓�(BTL)鐩�(ji膩n)瑕栦覆琛岀殑CAN绺界窔鍜屼綅鏅傚簭. 瀹冩槸涓�姊濆牨鏂囬枊闋�,绺界窔鍌宠几鍑虹従(xi脿n)鍒伴’鎬ф檪鍚屾浜� CAN绺界窔涓婄殑浣嶆祦(纭悓姝�),骞朵笖鍦ㄥ叾鍚庢帴鏀朵竴姊� 鍫辨枃鐨勫偝杓搁亷绋嬩腑鍦ㄥ悓姝�(杌熷悓姝�). BTL閭勬彁渚涗簡鍙法绋嬬殑鏅傞枔娈典締瑁滃劅鍌虫挱寤舵檪,鐩� 浣嶅亸绉诲拰瀹氱京閲囨ǎ榛炲拰姣� 涓�浣嶉噰妯ｆ鏁�(sh霉).鏈瑷�(sh猫)瑷堜笉娑夊強閫欎竴濉婄殑鍏�(n猫i)瀹�.

銆�銆�閷绠＄悊閭忚集

銆�銆�閷绠＄悊閭忚集(EML)璨犺铂闄愬埗鍌宠几灞ゆā濉婄殑閷.瀹� 鎺ユ敹渚嗚嚜BSP鐨勫嚭閷牨鍛�,鐒跺悗鎶婃湁闂�(gu膩n)閷绲�(t菕ng)瑷堝憡瑷� BSP(浣嶆祦铏曠悊鍣�)鍜孖ML(鎺ュ彛绠＄悊閭忚集).

缍韩闆诲瓙閫�锛岄浕瀛愮煡璀�锛屼竴鏌ョ櫨閫�锛�

宸叉敹閷勮姊�168587鍊�