鎽� 瑕侊細鏈枃鍒嗘瀽浜嗗祵鍏ュ紡Internet鐨勪竴鍊嬩富瑕佸晱椤�锛屼粙绱逛簡宓屽叆寮忕恫闂滅殑鍏╃ó鍏稿瀷瑷▓鏂规锛岃ō瑷堜簡涓€鍊嬫暣鍚堜簡鍏с€佸缍查€氫俊鐨勬柊鍨嬪祵鍏ュ紡缍查棞锛屽湪浠嬬垂缍查棞纭欢绲愭鐨勫熀绀庝笂锛屽湇绻炵恫闂滅殑杌熶欢妲嬫灦锛岃◣璜栦簡宓屽叆寮忕恫闂滅殑鍚勮粺浠舵ā濉婂鐝�(xi脿n)鏂规硶銆�

闂滈嵉瑭烇細宓屽叆寮忕恫闂�;澶氳矾閫氫俊鎺ュ彛;宓屽叆寮廔nternet;μCLinux

宓屽叆寮廔nternet鎶€琛撶殑鍑虹従(xi脿n)锛屼娇寰楀祵鍏ュ紡绯荤当(t菕ng)鑸嘔nternet涔嬮枔鍙互瀵︾従(xi脿n)璩囨簮鍏变韩銆佷俊鎭€氫俊鍜岀媭鎱�(t脿i)娓帶绛夊姛鑳姐€傜洰鍓�锛岃┎鎶€琛撶殑涓昏鍟忛涔嬩竴灏辨槸Internet涓婇潰鐨勫悇绋€氫俊鍗�(xi茅)璀板皪浜庤▓绠楁瀛樺劜鍣�銆侀亱绠楅€熷害绛夌殑瑕佹眰姣旇純楂橈紝鑰屾脯鎺ч牁鍩熶腑澶ч噺瀛樺湪鐨�8浣嶅拰16浣峂CU绯荤当(t菕ng)鏄劇娉曡檿鐞嗛€欎簺鐨�銆傝瑙ｆ焙閫欏€嬪晱椤岋紝涓€鍊嬪彲琛岀殑鏂规硶灏辨槸鍒╃敤鍦ㄥ祵鍏ュ紡闋樺煙姣旇純甯哥敤鐨勭附绶�锛屽RS485銆丷S232銆丆AN绺界窔绛夛紝灏囬€欎簺铏曠悊鑳藉姏杓冧綆鐨勫祵鍏ュ紡瑷倷閫ｆ帴璧蜂締锛屾帴鍏ュ埌缍查棞鎵€鎻愪緵鐨勯€氫俊鎺ュ彛涓婏紝鐢辩恫闂滀締瀵︾従(xi脿n)鍗�(xi茅)璀版＇鍜屽崝(xi茅)璀拌綁鎻�锛屽緸鑰屽氨灏�8浣�/16浣嶇殑宓屽叆寮忚ō鍌欐帴鍏ュ埌浜掕伅(li谩n)缍层€�

1. 宓屽叆寮忕恫闂滅殑鍏稿瀷瑷▓鏂规

缍查棞鍙堣绋辩偤缍查枔鍗�(xi茅)璀拌畩鎻涘櫒锛岀敤浜庨€ｆ帴閲囩敤涓嶅悓閫氫俊鍗�(xi茅)璀扮殑缍茬怠锛屽鐝�(xi脿n)缍茬怠涔嬮枔鐨勬暩(sh霉)鎿氬偝杓�銆傜暥涓€鍊嬪牨鏂囪姹傚緸涓€鍊嬬恫娈电櫦(f膩)閫佸埌鍙︿竴鍊嬬恫娈垫檪锛岀恫闂滈渶瑕佸畬鎴愬皪瑭插牨鏂囩殑鎺ユ敹銆佺炕璀垏杞夌櫦(f膩)宸ヤ綔[1]銆傚氨鐩墠宸叉噳鐢ㄥ埌宓屽叆寮忕郴绲�(t菕ng)涓殑缍查棞渚嗚锛屼富瑕佹湁浠ヤ笅鍏╃ó锛�

1.1 鍒╃敤PC姗熶締瀵︾従(xi脿n)鐨勭恫闂�

鍒╃敤PC姗熺殑璞愬瘜璩囨簮鍜岃純寮风殑铏曠悊鑳藉姏锛屽湪鍏朵笂妲嬪缓WEB鏈嶅嫏鍣�锛屽鐝�(xi脿n)鍜孖nternet瀹㈡埗绔殑閫氫俊锛岃€�8浣�/16浣峂CU瑷倷閫ｆ帴鍒癙C绺界窔鐨勬摯灞曟帴鍙ｆ垨鐗瑰畾鐨勬澘鍗′笂锛岄€氶亷閫氫俊绋嬪簭瀵︾従(xi脿n)鑸嘝C姗熼€氫俊锛岄€茶€屽埄鐢≒C姗熼€欎竴缍查棞鎺ュ叆浜掕伅(li谩n)缍�銆傞€欑ó鏂瑰紡瀵︾従(xi脿n)鐩稿皪瀹规槗锛岄潏娲绘€ц純濂斤紝浣嗘垚鏈純楂�锛岃ō鍌欑殑鍙潬鎬у拰鐠�(hu谩n)澧冮仼鎳夋€ч兘姣旇純宸�銆�

1.2 鍒╃敤32浣嶅祵鍏ュ紡绯荤当(t菕ng)瀵︾従(xi脿n)鐨勭恫闂�

瀹冧互32浣嶅祵鍏ュ紡绯荤当(t菕ng)鐐虹‖浠跺熀绀�锛岄珨绌嶅皬銆佹垚鏈綆锛岃ō鍌欑殑鍙潬鎬у拰鐠�(hu谩n)澧冮仼鎳夋€ц純濂�銆傛寜瀵︾従(xi脿n)TCP/IP鍗�(xi茅)璀版＇鏂规硶鐨勪笉鍚岋紝鍙皣閫欑ó宓屽叆寮忕恫闂滃垎鐐轰互涓嬪叐鍊嬭ō瑷堟柟妗�銆�

锛�1锛夊熀浜庤粺浠朵締瀵︾従(xi脿n)TCP/IP鍗�(xi茅)璀版＇[2]

閫欎竴鏂规閫氬父鏈夊叐绋鐝�(xi脿n)鏂规硶锛岀涓€绋槸宓屽叆寮忔搷浣滅郴绲�(t菕ng)甯舵湁TCP/IP鍗�(xi茅)璀版＇銆傜恫闂滈亱琛屽湪宓屽叆寮忔搷浣滅郴绲�(t菕ng)涔嬩笂锛屽彲浠ュ埄鐢ㄥ祵鍏ュ紡鎿嶄綔绯荤当(t菕ng)鐨勫挤澶у姛鑳�锛屾寜鐢ㄦ埗闇€姹傚鐝�(xi脿n)寰堝寰╅洔鐨勫姛鑳�銆傜浜岀ó鏂规硶鍓囧柈鐛ㄩ噰鐢═CP/IP鍗�(xi茅)璀版＇杌熶欢妯″锛屼笉浣跨敤宓屽叆寮忔搷浣滅郴绲�(t菕ng)锛屾墍妲嬪缓鐨勭郴绲�(t菕ng)鍙崰鐢ㄥ緢灏忕殑瀛樺劜绌洪枔锛屼絾鏄鏋滆瀵︾従(xi脿n)寰╅洔鐨勫姛鑳�锛屽墖绶ㄧ▼鐨勫京闆滄€ц純澶с€� 銆€?銆�?锛夌洿鎺ュ埄鐢═CP/IP鍗�(xi茅)璀版＇鑺墖[2]

鍦ㄩ€欑ó鏂规涓�锛屽皣闆嗘垚鏈塗CP/IP鍗�(xi茅)璀版＇鐨勮姱鐗囩洿鎺ヤ娇鐢ㄥ湪宓屽叆寮忕恫闂滀腑锛屼娇寰楄ō瑷堢啊鍠�锛屼絾澧炲姞浜嗕竴鍊嬭姱鐗�锛屼篃灏卞鍔犱簡鍒堕€犳垚鏈紝闁嬬櫦(f膩)鏅傞渶瑕佺啛鎮塗CP/IP鍗�(xi茅)璀版＇鑺墖鐨勬帴鍙�銆�

2. 宓屽叆寮忕恫闂滅殑纭欢绲愭

缍查棞鐨勭‖浠剁祼妲嬪鍦�1鎵€绀�锛屽叾涓檿鐞嗗櫒浣跨敤鍩轰簬ARM7TDMI鐨凷AMSUNG S3C44B0X锛屽畠鏄�16/32浣峈ISC铏曠悊鍣紝宸ヤ綔鍦�66MHz锛屽収缃湁璞愬瘜鐨勭墖鍏у瑷紝甯哥敤浜庢墜鎸佽ō鍌欏拰缍茬怠瑷倷鐣朵腑銆傜郴绲�(t菕ng)鍏у瓨浣跨敤4M×16bit 鐨凥Y57V65160b SDRAM锛屽瓨鍎插櫒浣跨敤1M×16bit鐨凷ST39VF160 Flash銆傜恫闂滅殑浠ュお缍叉帶鍒跺櫒閲囩敤RTL8019AS锛屽畠鏀寔IEEE802.3锛屾敮鎸�8/16浣嶆暩(sh霉)鎿氱附绶�锛屽収缃�16KB SRAM锛屾敮鎸佸叏闆欏伐鏂瑰紡锛屾敹鐧�(f膩)鍙悓鏅傞仈鍒�10Mbps銆傜恫闂滄彁渚涘璺湰鍦伴€氫俊鎺ュ彛锛屽叾涓璕S232鎺ュ彛鍒╃敤S3C44B0X鐨刄ART0鍙ｅ鐝�(xi脿n)锛屼娇鐢∕AX3221E瀵︾従(xi脿n)闆诲钩闅旈洟鍜岃綁鎻涖€俁S485鎺ュ彛浣跨敤S3C44B0X鐨刄ART1鍙ｅ鐝�(xi脿n)锛屽鎺AX485瀹屾垚TTL闆诲钩鑸嘡S485闆诲钩鐨勮綁鎻涘拰鏁�(sh霉)鎿氭敹鐧�(f膩)銆侰AN绺界窔鎺ュ彛閲囩敤绺界窔閫ｆ帴鏂瑰紡锛屼娇鐢≒HILIPS鍏徃鐨凜AN鎺у埗鍣⊿JA1000T锛屽畠鍏煎鍩烘湰CAN妯″紡锛圔asicCAN锛夊拰澧炲挤CAN妯″紡锛圥eliCAN锛夛紝绗﹀悎CAN2.0B鍗�(xi茅)璀�锛屽叿鏈夊畬鎴怌AN閫氫俊鍗�(xi茅)璀版墍瑕佹眰鐨勫叏閮ㄧ壒鎬э紝鍏跺鎺JA1040T浣滅偤CAN绺界窔鎺ュ彛鐨勬敹鐧�(f膩)鍣�銆傛澶栵紝绯荤当(t菕ng)閭勯爯鐣欎簡鍙敤浜庢摯灞曠殑鍏朵粬閫氫俊鎺ュ彛銆�

鍦�1 宓屽叆寮忕恫闂滅‖浠剁祼妲�

鍦�2宓屽叆寮忕恫闂滅殑杌熶欢妲嬫灦

3. 宓屽叆寮忕恫闂滅殑杌熶欢瑷▓

3.1 杌熶欢妲嬫灦

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鐣禬EB鏈嶅嫏鍣ㄦ帴鏀跺埌渚嗚嚜Internet瀹㈡埗绔殑璜嬫眰鏅�锛屽鏋滄槸璜嬫眰闈滄厠(t脿i)缍查爜锛屽墖灏囩恫闋佸偝绲﹀鎴剁锛堝皪鎳変簬鍦�2涓殑鈶狅紝涓嬪悓锛�;濡傛灉鏄鑸囨湰鍦板瓙缍茬殑绲傜瑷倷閫氫俊锛屾湇鍕欏櫒渚垮皣閫氫俊鏁�(sh霉)鎿氱櫦(f膩)寰€Internet鎺ュ彛妯″锛堚憽锛�锛岀敱鍏跺畬鎴愬皪鏁�(sh霉)鎿氱殑瑙ｆ瀽锛屽苟灏佽鎴愯綁鐧�(f膩)鏁�(sh霉)鎿氬寘锛岀櫦(f膩)寰€鎺ユ敹瀛愭ā濉婏紙鈶級;鐩稿弽锛岀暥Internet鎺ュ彛妯″鏀跺埌渚嗚嚜鐧�(f膩)閫佸瓙妯″鐨勬暩(sh霉)鎿氬寘鏅傦紙鈶ｏ級锛屽墖瑙ｆ瀽瑭叉暩(sh霉)鎿氬寘鍚庣敓鎴愬嫊鎱�(t脿i)缍查爜锛岀櫦(f膩)寰€WEB鏈嶅嫏鍣紙鈶★級锛屾湇鍕欏櫒鍐嶅皣鍏剁櫦(f膩)鍒板鎴剁锛堚憼锛夈€�

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鎺ユ敹瀛愭ā濉婂湪鎺ユ敹鍒颁締鑷狪nternet锛堚憿锛夋垨鏈湴瀛愮恫锛堚懃锛夌殑鏁�(sh霉)鎿氬寘鍚�锛屽皣閫欎簺鏍煎紡绲�(t菕ng)涓€鐨勬暩(sh霉)鎿氬寘鎸夌収鍎�(y艒u)鍏堢礆楂樹綆鎻掑叆鏁�(sh霉)鎿氶殜鍒椾腑锛堚懅锛�銆傜暥鍩轰簬鍎�(y艒u)鍏堢礆鐨勯殜鍒椾腑鏈夋暩(sh霉)鎿氬寘鐨勬檪鍊欙紝鐧�(f膩)閫佸瓙妯″渚垮緸涓彇鍑烘暩(sh霉)鎿氬寘锛堚懆锛�锛岀櫦(f膩)寰€鐩殑瀛愮恫锛堚懀鈶︼級銆�

3.2 宓屽叆寮忔搷浣滅郴绲�(t菕ng)μCLinux鐨勭Щ妞嶄互鍙夿oa鏈嶅嫏鍣ㄧ殑閰嶇疆

μClinux鏄竴鍊嬪畬鍏ㄧ鍚圙NU/GPL锛堥€氱敤鍏叡瑷卞彲璀夛級鐨勯爡鐩�锛屽叾浠ｇ⒓瀹屽叏闁嬫斁锛屽皥闁€閲濆皪娌掓湁MMU鐨凪PU锛岄€氶亷灏嶆婧朙inux鍏ф牳鐨勬敼鍕�锛岄嚌灏嶅祵鍏ュ紡绯荤当(t菕ng)閫茶灏忓瀷鍖栬檿鐞�锛屽舰鎴愪簡涓€鍊嬮珮搴﹀劒(y艒u)鍖栫殑銆佷唬纰肩穵婀婄殑宓屽叆寮廘inux銆傚皣μClinux鎳夌敤鍒扮恫闂滀腑锛屽彲浠ュ埄鐢ㄥ叾瀹屽倷鐨勭恫绲″姛鑳�锛屾笡灏忛枊鐧�(f膩)鐨勯洠搴�锛岀府鐭枊鐧�(f膩)鏅傞枔銆備娇鐢�μClinux锛岀涓€姝ヨ鍋氱殑灏辨槸鏍规摎缍查棞鐨勭‖浠跺钩鑷虹Щ妞�μClinux锛岄鍏堣鍦≒C涓婂畨瑁滾inux鎿嶄綔绯荤当(t菕ng)锛屼笅杓塽Clinux婧愪唬纰煎绺寘骞惰В澹�锛屼笅杓夊苟瀹夎浜ゅ弶绶ㄨ宸ュ叿锛屽缓绔嬩氦鍙夌法璀挵(hu谩n)澧�;鍏舵鏍规摎涓嶅悓鐨勭‖浠剁郴绲�(t菕ng)淇敼婧愪唬纰�锛岀法瀵垨淇敼涓€浜涚壒娈婄‖浠剁殑椹呭嫊绋嬪簭;鐒跺悗閰嶇疆鍏ф牳锛岀敓鎴愬彲鍦≧AM涓亱琛岀殑鍏ф牳鏂囦欢;鏈€鍚庣噿瀵埌纭欢绯荤当(t菕ng)鐨凢lash瀛樺劜鍣ㄤ腑锛屽姞闆婚亱琛屻€�

μClinux涓父鐢ㄧ殑WEB鏈嶅嫏鍣ㄦ湁锛欱oa銆乼httpd銆乭ttpd锛岀恫闂滃彲閬告搰鏀寔瑾嶈瓑銆佹敮鎸丆GI銆侀潪甯搁仼鍚堜簬宓屽叆寮忕郴绲�(t菕ng)鐨凚oa WEB 鏈嶅嫏鍣╗3]銆侭oa鏄竴鍊嬪柈浠诲嫏鐨凥TTP鏈嶅嫏鍣�,瀹冧笉鐐烘瘡鍊嬭í鍟忕殑閫ｆ帴鍠崹闁嬪暉涓€鍊嬮€茬▼锛屼篃涓嶆渻鐐哄鍊嬮€ｆ帴鑰岄枊鍟熷鍊嬭嚜韬殑鎷疯矟锛屽皪鎵€鏈夋椿鍕曠殑HTTP閫ｆ帴閮藉湪鍏ч儴閫茶铏曠悊锛岃€屽彧鐐烘瘡鍊婥GI閫ｆ帴鍟熷嫊鏂扮殑閫茬▼锛屽洜姝oa鍦ㄥ悓绛夌‖浠舵浠朵笅閫熷害鏇村揩銆備娇鐢˙oa WEB鏈嶅嫏鍣紝闇€瑕佸皪鍏堕亱琛岀挵(hu谩n)澧�銆佸弮鏁�(sh霉)绛夐€茶瑷疆锛屽瑷疆鍋佃伣绔彛鐐�80,瑷疆鏈嶅嫏鍣ㄧ殑鏂囦欢鏍圭洰閷凞ocumentRoot锛岃ō缃瓹GI鏂囦欢鐨勫瓨鏀剧洰閷勭瓑銆�

3.3 Internet鎺ュ彛妯″鐨勮ō瑷�

Internet鎺ュ彛妯″瀵﹁唱涓婃槸涓€鍊婥GI[3] 锛堝叕鍏辩恫闂滄帴鍙ｅ崝(xi茅)璀癈ommon Gateway Interface锛夌▼搴�锛孋GI鏄皪HTTP鍗�(xi茅)璀扮殑瑁滃厖锛屾槸涓€鍊嬬敤浜庡畾缇￤EB鏈嶅嫏鍣ㄨ垏澶栭儴绋嬪簭涔嬮枔閫氫俊鏂瑰紡鐨勬婧栵紝瀹氱京浜嗗缓绔嬩簰鎿嶄綔涓洐鏂瑰繀闋堥伒瀹堢殑瑕�(gu墨)鍓囬泦銆侰GI鎶€琛撹純鐐烘垚鐔燂紝鐩搁棞鏂囩嵒涔熻純澶�锛屾晠鏈枃涓嶅仛瑭崇窗璜栬堪锛岃€屾槸閲嶉粸浠嬬垂涓€涓婭nternet妯″鐨勫鐝�(xi脿n)绠楁硶锛屽叾娴佺▼鍦栧鍦�3鎵€绀�銆�

鍦�3 Internet鎺ュ彛妯″娴佺▼鍦�

Internet瀹㈡埗绔彲鐢�“GET”鎴�“POST”鏂瑰紡鎻愪氦鏁�(sh霉)鎿氬埌WEB鏈嶅嫏鍣ㄤ笂锛學EB鏈嶅嫏鍣ㄦ渻灏囨湰娆℃墍鐢ㄧ殑鎻愪氦鏂瑰紡淇濆瓨鍒扮挵(hu谩n)澧冭畩閲廟EQUEST_METHOD涓€傚鏋滄槸“GET”鏂瑰紡锛屽墖鏈嶅嫏鍣ㄥ皣鏈夋晥鏁�(sh霉)鎿氫繚瀛樺埌鐠�(hu谩n)澧冭畩閲廞UERY_STRING涓紝Internet妯″鍙洿鎺ヨ畝鍙栭€欎竴鐠�(hu谩n)澧冭畩閲忎締鐛插緱鏈夋晥鏁�(sh霉)鎿�;濡傛灉鏄�“POST”鏂瑰紡锛屽墖鏈嶅嫏鍣ㄥ皣鏈夋晥鏁�(sh霉)鎿氱殑闀峰害淇濆瓨鍒扮挵(hu谩n)澧冭畩閲廋ONTENT_LENGTH涓�锛屽墖Internet妯″灏卞彲鍦ㄩ€欎竴鏁�(sh霉)鎿氶暦搴︾殑鎺у埗涓嬪緸妯欐簴杓稿叆璁€鍏ユ湁鏁堟暩(sh霉)鎿�銆傚湪鐛插緱浜嗘湁鏁堟暩(sh霉)鎿氫箣鍚�锛孖nternet妯″瑙ｆ瀽瀹冨€戯紝鐢熸垚杞夌櫦(f膩)鏁�(sh霉)鎿氬寘锛岀櫦(f膩)寰€杞夌櫦(f膩)妯″銆傚埌姝ゆ暩(sh霉)鎿氭帴鏀跺畬鐣�锛岄€茬▼鎺涜捣鑷韩锛岀瓑寰呬俊铏熼噺InternetRec鏈夋晥銆傜暥InternetRec鏈夋晥鏅傦紝瑾槑鏈変締鑷収缍茬殑鍙嶉鏁�(sh霉)鎿氬寘鍒颁締锛屽墖閫茬▼琚枤閱掞紝鎺ユ敹鍙嶉鏁�(sh霉)鎿氬寘锛屽湪鍒ゆ柗鐩殑鍦板潃鐒¤鍚�锛屾牴鎿氭暩(sh霉)鎿氬寘鏁�(sh霉)鎿氱敓鎴愬嫊鎱�(t脿i)缍查爜锛屼氦浜圵EB鏈嶅嫏鍣ㄧ櫦(f膩)閫佸埌瀹㈡埗绔�銆�

3.4 杞夌櫦(f膩)鏁�(sh霉)鎿氬寘鐨勮ō瑷�

杞夌櫦(f膩)妯″瀹屾垚缍查棞鍏ч儴鐨勬暩(sh霉)鎿氬寘杞夌櫦(f膩)鍔熻兘锛屽畠缍浜嗕竴鍊嬪熀浜庡劒(y艒u)鍏堢礆鐨勬暩(sh霉)鎿氶殜鍒楋紙瑕嬪湒2锛�锛岃┎闅婂垪灞簬鑷ㄧ晫璩囨簮锛岀敱鎺ユ敹瀛愭ā濉婂拰鐧�(f膩)閫佸瓙妯″浜掓枼浣跨敤銆傝綁鐧�(f膩)鏁�(sh霉)鎿氬寘鐨勭祼妲嬫噳鏈変竴瀹氱殑閫氱敤鎬�锛屽叿鏈夊吋瀹瑰悇绋€氫俊瀛愮恫鎴朓nternet鏁�(sh霉)鎿氱殑鑳藉姏锛屽彲鐢ㄤ笅闈㈢殑鏁�(sh霉)鎿氱祼妲嬩締瀹氱京锛�

struct DataProtocol锝�

int CommType;

struct Addr_t DstAddr;

struct Addr_t SrcAddr;

int Prio;

struct DataStruct 锛奃ataHead;

int DataLengh;

struct DataProtocol 锛妏DProtc; 锝�;

锛�1锛塱nt CommType; 瀹氱京閫氫俊鐨勯鍨�銆傜敤渚嗘寚鏄庣暥鍓嶆墍鍌抽€佺殑鏁�(sh霉)鎿氬寘鐨勯鍨�锛屽嵆DATATYPE锛堟湁鏁堟暩(sh霉)鎿氬寘锛夊拰ERRORTYPE锛堥尟瑾や俊鎭寘锛夈€侱ATATYPE鏄寚鏈暩(sh霉)鎿氬寘鐨勬暩(sh霉)鎿氬煙涓殑鏄湁鏁堢殑鏁�(sh霉)鎿�;鑰孍RRORTYPE鏄寚鏁�(sh霉)鎿氬煙涓敎甯剁殑鏄嚭閷俊鎭�銆傜恫闂滃湪铏曠悊鏁�(sh霉)鎿氬寘鐨勬檪鍊�锛屽氨鍙互鍏堝垽鏂锋暩(sh霉)鎿氬寘鐨勯鍨嬶紝鍐嶉噰鐢ㄧ浉鎳夌殑铏曠悊娴佺▼锛岄€欐ǎ渚挎彁楂樹簡铏曠悊鐨勬晥鐜囥€�

锛�2锛塻truct Addr_t DstAddr; 閫氫俊鐨勭洰鐨勫湴鍧€銆傜敤浠ユ寚鏄庢暩(sh霉)鎿氱櫦(f膩)寰€鐨勭洰鐨勫湴鍧€锛屽叾鏁�(sh霉)鎿氶鍨嬪畾缇╁涓嬶細

struct Addr_t锝�

unsigned char SubNet; //鎸囨槑鏄綍绋恫绲★紙鏈湴瀛愮恫鎴朓nternet锛�

unsigned char DevAddr; 锝�; //鎸囨槑瀛愮恫鍏х殑绲傜瑷倷鍦板潃

瑾槑锛氱敱浜庣恫闂滄墍浣跨敤鐨凚oa WEB鏈嶅嫏鍣ㄦ槸鍠换鍕欑殑锛屼竴娆″儏铏曠悊涓€鍊婭nternet閫ｆ帴锛屾晠鐣禨ubNet鐐篒nternet鏅傦紝DevAddr鎳夌偤闆�銆�

锛�3锛塻truct Addr_t SrcAddr; 閫氫俊鐨勬簮鍦板潃锛岀敤浠ユ寚鏄庢暩(sh霉)鎿氱殑婧愬湴鍧€銆�

锛�4锛塱nt Prio; 鏁�(sh霉)鎿氬寘鍎�(y艒u)鍏堢礆銆傚皪渚嗚嚜涓嶅悓閫氫俊瀛愮恫浠ュ強涓嶅悓瑷倷鐨勬暩(sh霉)鎿氬寘锛屾牴鎿氶€氫俊鐨勫鏅傛€ц姹備笉鍚�锛屽畾缇╀笉鍚岀殑鏁�(sh霉)鎿氬寘鍎�(y艒u)鍏堢礆銆傚湪杞夌櫦(f膩)妯″涓�锛屽劒(y艒u)鍏堢礆楂樼殑鏁�(sh霉)鎿氬寘琚彃鍏ュ埌闅婂垪鐨勯牠閮�锛屽劒(y艒u)鍏堣杞夌櫦(f膩)鍒扮洰鐨勭恫绲�銆傚湪鎸囧畾鍏烽珨鐨勬暩(sh霉)鎿氬寘鍎�(y艒u)鍏堢礆鏅�锛岄噰鐢≒rio鏁�(sh霉)鍊艰秺灏忓劒(y艒u)鍏堢礆瓒婇珮鐨勬柟寮忥紝涓旇(gu墨)瀹氳垏Internet鐩搁棞鐨勬暩(sh霉)鎿氬寘杓冨収缍查枔鍌抽仦鐨勬暩(sh霉)鎿氬寘鏈夋洿楂樼殑鍎�(y艒u)鍏堢礆銆�

锛�5锛塻truct DataStruct 锛奃ataHead; 瀛樺劜鏈夋晥鏁�(sh霉)鎿氱殑閺堣〃闅婂垪鐨勯牠鎸囬嚌銆傝┎閺堣〃灏辨槸鏁�(sh霉)鎿氬寘鐨勬暩(sh霉)鎿氬煙閮ㄥ垎锛屽叾鏁�(sh霉)鎿氶鍨嬪畾缇╁涓嬶細

struct DataStruct锝�

char 锛奛ame;

char 锛奦alue;

struct DataStruct 锛妏DStruct; 锝�;

锛奛ame淇濆瓨鏁�(sh霉)鎿氭垨鎿嶄綔鐨勯鍨嬶紝鍙偤 “INFO”锛堣鏄庝俊鎭級銆�“READ”锛堣畝鏁�(sh霉)鎿氾級銆�“WRITE”锛堝鏁�(sh霉)鎿氾級銆�“CONTROL”锛堢櫦(f膩)閫佹帶鍒舵寚浠わ級;

锛奦alue鐨勬牸寮忕偤锛氭搷浣滃悕绋辨垨灏嶈薄 [鍙冩暩(sh霉)1] [鍙冩暩(sh霉)2] …… [鍙冩暩(sh霉)n]

鍏朵腑锛屾搷浣滃悕绋辨垨灏嶈薄鍜屽弮鏁�(sh霉)鍏ч兘涓嶈兘鏈夌┖鏍�锛屽弮鏁�(sh霉)涔嬮枔鐢ㄧ┖鏍煎垎闁�锛屽弮鏁�(sh霉)鏁�(sh霉)閲忓彲鐐洪浂銆�

姣斿瑕佸暉鍕曟煇鍊嬭ō鍌�锛屽彧闇€鍌抽€佸涓嬫暩(sh霉)鎿氾細Name->CONTROL,Value->START;瑕佽畝鍙栬ō鍌欐韩搴﹀€硷紝鍙渶鍌抽€侊細Name->READ,Value->TEMPERATURE銆傛暩(sh霉)鎿氬寘鍍呮槸淇濆瓨浜嗘湁鏁堟暩(sh霉)鎿氱殑ASCII纰硷紝宓屽叆寮忕恫闂滃彧瀹屾垚灏囬€欎簺ASCII纰煎緸鐧�(f膩)閫佺鍌抽€佸埌鎺ユ敹绔�锛屽鐝�(xi脿n)璺敱鍔熻兘鍜屼腑闁撳崝(xi茅)璀拌綁鎻涘姛鑳�锛岄€欎簺ASCII纰兼墍琛ㄧず鐨勫叿楂斿惈缇╃敱鐧�(f膩)閫佺鍜屾帴鏀剁鐨勬噳鐢ㄥ堡渚嗚(gu墨)瀹氾紝閫欐ǎ渚垮鐝�(xi脿n)浜嗕竴绋垏鍏烽珨鏁�(sh霉)鎿氭剰缇╃劇闂滅殑閫氱敤鏁�(sh霉)鎿氬偝閫侀€氶亾銆�

锛�6锛塱nt DataLengh; 鎸囨槑鏈夋晥鏁�(sh霉)鎿氫腑锛�“Name”銆�“Value”灏嶇殑鏁�(sh霉)鐩�銆�

锛�7锛塻truct DataProtocol 锛妏DProtc; 鎸囧悜涓嬩竴鍊嬫暩(sh霉)鎿氬寘鐨勬寚閲濄€傚湪鍩轰簬鍎�(y艒u)鍏堢礆鐨勬暩(sh霉)鎿氶殜鍒椾腑锛屽悇鏁�(sh霉)鎿氬寘鍒╃敤瑭叉寚閲�锛岄噰鐢ㄩ張琛ㄧ殑褰㈠紡鍔犱互绲勭箶锛岄€欐ǎ鏈夊埄浜庢暩(sh霉)鎿氱殑鎻掑叆鍜屽埅闄�銆�

3.5 鍏х恫閫氫俊妯″鍙婅ō鍌欓€氫俊妯″鐨勮ō瑷�

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RS232妯欐簴鍍呭畾缇╀簡ISO/OSI鍩烘湰鍙冭€冩ā鍨嬩腑鐗╃悊灞よ(gu墨)鏍煎拰閺堣矾灞ょ‖浠舵帴鍙ｈ(gu墨)鏍�锛岃瀵︾従(xi脿n)闆嗘暎寮忕殑RS232瀛愮恫鐨勯€氫俊锛岄渶瑕佷竴鍊嬬恫绲″堡渚嗛€茶绲傜瑷倷鐨勫湴鍧€璺敱銆傛澶�锛岄倓瑕佸湪閺堣矾灞ょ殑杌熶欢灞ら潰涓�锛岃ō瑷堜竴鍊嬫暩(sh霉)鎿氬箑鏍煎紡锛岀敤浜庡皝瑁濇墍鍌宠几?sh霉)鑷�?sh霉)鎿�銆傚湪鍏烽珨鐨勫鐝�(xi脿n)涓婏紝灏遍珨鐝�(xi脿n)鍦ㄨ綁鐧�(f膩)鏁�(sh霉)鎿氬寘鍜孯S232鏁�(sh霉)鎿氬箑鏍煎紡闁撶殑瑙ｆ瀽鍜岃綁鎻涘皝瑁濅笂銆�

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4. 绲愭潫瑾�

鏈枃鍦ㄥ垎鏋愬吀鍨嬬殑宓屽叆寮忕恫闂滆ō瑷堟柟妗堢殑鍩虹涓�锛屾彁鍑轰簡涓€绋叿鏈夊閫氫俊鎺ュ彛鐨勬暣鍚堝収銆佸缍查€氫俊鐨勫祵鍏ュ紡缍查棞锛岄仼鐢ㄤ簬灏�8/16浣嶅祵鍏ュ紡瑷倷鎺ュ叆浜掕伅(li谩n)缍茬殑鎳夌敤鍫村悎锛岃┎鏂规鍙互鏍规摎鎳夌敤闇€姹傚皪鍚勬帴鍙ｆ噳鐢ㄦā濉婇€茶鎿村睍鍜岃鍓�銆傚湪鍏烽珨鎳夌敤涓�锛岄倓闇€瑕佸寮峰拰鏀归€茬恫闂滅殑瀹夊叏鎬�锛岄€蹭竴姝ョ爺绌跺皣鏇村鐨勬湰鍦伴€氫俊瀛愮恫鍔犲叆鍒扮恫闂滀腑锛屽緸鑰屽寮风恫闂滅殑閬╃敤鎬с€�

鏈枃浣滆€呭壍(chu脿ng)鏂伴粸锛氳ō瑷堜簡涓€鍊嬫暣鍚堝収澶栫恫閫氫俊銆佽兘鐐�8/16浣峂CU绯荤当(t菕ng)鎺ュ叆浜掕伅(li谩n)缍叉彁渚涘鍊嬮€氫俊鎺ュ彛鐨勫祵鍏ュ紡缍查棞锛岃┏绱拌◣璜栦簡缍查棞杌熶欢妯″鐨勫鐝�(xi脿n)鍜岃綁鐧�(f膩)鏁�(sh霉)鎿氬寘鐨勬牸寮忋€�

鍙冭€冩枃鐛伙細

[1] 瀛熻粛鑻�,鍔夋暀姘�,鐜嬮渿娲�. 鍩轰簬ARM寰檿鐞嗗櫒鐨凜AN/浠ュお缍插祵鍏ュ紡缍查棞[J]. 娌冲寳宸ユキ(y猫)澶у瀛稿牨. 2005骞�8鏈�. 绗�34鍗峰鍒�. 115-117.

[2] 瓒欏湅瀹�,楂樿埅,寮垫湁鎴�. 鐢盬3100A妲嬫垚宓屽叆寮忕恫闂滅殑瀹跺涵鏅鸿兘绯荤当(t菕ng)[J]. 鍠墖姗熻垏宓屽叆寮忕郴绲�(t菕ng)鎳夌敤. 2003骞寸4鏈�:51-53.

[3] 鐜嬬静,浠荤惁姊�.鍩轰簬44B0骞宠嚭鐨剈C-Linux Web鏈嶅嫏鍣ㄥ鐝�(xi脿n)鏂规硶鐮旂┒[J].寰▓绠楁淇℃伅, 2005, 3-1:76-77