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9200鑸嘙CP2515閫�(j矛n)琛岄€氫俊閮芥槸浠ュ懡浠ゅ瓧绡€(ji茅)闁嬪鐨�锛屽苟涓斿湪涓€鍊嬪懡浠ゆ搷浣滈亷绋嬩腑锛堜竴鑸渻閫ｇ簩(x霉)鍌宠几澶氬€嬪瓧绡€(ji茅)锛�锛岀墖閬稿拰鏅傞悩鏄笉鑳借绂佺敤鐨�锛屽惁鍓囨搷浣滃氨鏈冨け鏁�銆傚洜姝�锛孧CP2515鐨勪竴鍊嬪畬鏁寸殑鍛戒护鎿嶄綔灏辨槸涓€鍊嬭嚚鐣屽崁(q奴)鍩燂紝鍦ㄥ皪MCP2515閫�(j矛n)琛屼竴鍊嬪懡浠ゆ搷浣滅殑閬庣▼涓繀闋堢鐢ㄦ墍鏈夌殑涓柗锛屼互淇濊瓑鍛戒护鎿嶄綔鐨勬甯稿煼(zh铆)琛�銆傚湪椹�(q奴)鍕曠▼搴忎腑锛岄噰鐢╨ocal_irq_save鍜宭ocal_irq_restore鍑芥暩(sh霉)灏嶄腑鏂风鐢ㄥ拰鎭㈠京(f霉)锛屽湪閫欏叐鍊嬪嚱鏁�(sh霉)瑾�(di脿o)鐢ㄤ箣闁擄紝灏辨槸灏� MCP2515鍩�(zh铆)琛屼竴鍊嬪懡浠ゆ搷浣滅殑浠ｇ⒓銆� 绲�(ji茅)瑾� 銆€銆€鏈枃閲濆皪鐗规湁鐨勬噳(y墨ng)鐢ㄩ渶姹傛彁鍑虹殑澶氳矾CAN绺界窔鎺ュ彛鍜岄﹨(q奴)鍕曠▼搴忚ō(sh猫)瑷�锛岀稉(j墨ng)閬庢脯瑭�锛屽彲浠ョ┅(w臎n)瀹氭甯稿湴閬嬭銆傞棞(gu膩n)浜庨﹨(q奴)鍕曠▼搴忕殑绶ㄨ鍜岄亱琛屾柟娉曪紝鍙冭€冩枃鐛�(xi脿n) [3]鏈夊緢濂界殑瑾槑銆備笂灞ょ殑娓│绋嬪簭绶ㄥ涔熸瘮杓冪啊鍠紝浣嗚娉ㄦ剰鏁�(sh霉)鎿�(j霉)绲�(ji茅)妲�(g貌u)鐨勫畾缇╁拰搴曞堡椹�(q奴)鍕曠▼搴忕殑涓€鑷存€�銆傛湰鏂囧伌(c猫)閲嶄粙绱硅ō(sh猫)瑷堢殑鍩烘湰鏂规硶鍜屽鐝�(xi脿n)鍩烘湰鐨勫姛鑳�銆� MCP2515鏈韩鎻愪緵浜嗚ū澶氱殑鍔熻兘锛屽湪瀵︾従(xi脿n)鍩烘湰鍔熻兘鐨勫熀绀�(ch菙)涓�锛屼篃鍙互鏍规摎(j霉)鑷繁鐨勬噳(y墨ng)鐢ㄩ渶瑕佸啀閫�(j矛n)琛屽姛鑳芥摯(ku貌)灞�銆� 鍙冭€冩枃鐛�(xi脿n) 銆€銆€[1] Atmel corporation. AT91RM9200 data sheet, 2006. 銆€銆€[2] Microchip Technology Inc. MCP2515 data sheet,2005. 銆€銆€[3] 榄忔案鏄�锛岄П鍓�锛屽鍚�. LINUX瑷�(sh猫)鍌欓﹨(q奴)鍕曠▼搴廩M]. 绗�2鐗�.鍖椾含锛氫腑鍦嬮浕鍔涘嚭鐗堢ぞ锛�2004. 銆€銆€[4] 鏉滃皻璞�锛屾浌鏇夐悩锛屽緪娲�.CAN绺界窔娓帶鎶€琛�(sh霉)鍙婂叾鎳�(y墨ng)鐢╗M].鍖椾含锛氶浕瀛愬伐妤�(y猫)鍑虹増绀撅紝2007.