鎽�  瑕�: 32浣嶅井铏曠悊鍣ㄨ姱鐗囩殑鍑虹従(xi脿n)锛屼娇寰楀祵鍏ュ紡绯荤当(t菕ng)杩呴€熺櫦(f膩)灞�銆傛枃浠剁郴绲�(t菕ng)鏄搷浣滅郴绲�(t菕ng)鐨勬牳蹇�锛屾湰鏂囦粙绱瑰湪瑙告懜灞忓伐妤�(y猫)鍦栧舰椤ず鍣ㄧ郴绲�(t菕ng)涓枃浠剁郴绲�(t菕ng)鐨勮ō(sh猫)瑷�(j矛)鍜屾噳(y墨ng)鐢ㄣ€傝┎绯荤当(t菕ng)閲囩敤宓屽叆寮忛牁(l菒ng)鍩熸噳(y墨ng)鐢ㄦ渶鐐哄唬娉涚殑瀛樺劜(ch菙)瑷�(sh猫)鍌�-flash浣滅偤绯荤当(t菕ng)鐨勫瓨鍎�(ch菙)鍣�锛屾湰鏂囦欢绯荤当(t菕ng)鏄祼(ji茅)鍚堝畠鐨勭壒鎬ч€�(j矛n)琛岃ō(sh猫)瑷�(j矛)鐨勩€�

闂�(gu膩n)閸佃: 宓屽叆寮忕郴绲�(t菕ng); 鏂囦欢绯荤当(t菕ng); Flash

1. 鍓嶈█

銆€銆€杩戝咕骞翠締,宓屽叆寮忔搷浣滅郴绲�(t菕ng)寰楀埌椋涢€熺殑鐧�(f膩)灞�,寰炴敮鎸�8浣嶅井铏曠悊鍣ㄥ埌16浣�銆�32浣嶇敋鑷�64浣�,寰炴敮鎸佸柈涓€鐨勫井铏曠悊鍣ㄨ姱鐗囧埌鏀寔澶氬搧绋井铏曠悊鍣ㄨ姱鐗�,寰炲彧鏈夊(sh铆)鏅�(sh铆)鍏�(n猫i)鏍稿埌闄や簡鍏�(n猫i)鏍稿閭勬彁渚涘叾瀹冨姛鑳芥ā濉婂:楂橀€熸枃浠剁郴绲�(t菕ng)銆乀CP/IP缍�(w菐ng)绲�(lu貌)绯荤当(t菕ng)銆丟UI绯荤当(t菕ng)绛�銆傚祵鍏ュ紡鎿嶄綔绯荤当(t菕ng)鐨勬枃浠剁郴绲�(t菕ng)鏄寚宓屽叆寮忔搷浣滅郴绲�(t菕ng)涓枃浠剁殑绲勭箶鑸囩鐞嗙祼(ji茅)妲�(g貌u),瀹冩槸宓屽叆寮忔搷浣滅郴绲�(t菕ng)鐨勬牳蹇�銆傚緸澶栭儴鐪嬩締,鏂囦欢绯荤当(t菕ng)鏄竴绲勬枃浠跺拰鐩寗鐨勬搷浣�銆傛枃浠跺彲浠ヨ璁€瀵�,鐩寗鍙互琚壍(chu脿ng)寤哄拰鍒櫎銆傝€屽湪鍏�(n猫i)閮ㄧ湅,鏂囦欢绯荤当(t菕ng)鍗昏骏鐒朵笉鍚�銆傛枃浠剁郴绲�(t菕ng)鐨勮ō(sh猫)瑷�(j矛)鑰�,蹇呴爤鑰冩叜鍒板瓨鍎�(ch菙)鍗€(q奴)濡備綍鍒嗛厤浠ュ強绯荤当(t菕ng)濡備綍瑷橀寗鏂囦欢銆佷娇鐢ㄤ簡鍝簺濉婄瓑銆傛枃浠剁郴绲�(t菕ng)鐨勫彲闈犳€у拰鎬ц兘涔熸槸涓€鍊�(g猫)閲嶈鍟忛銆傛枃浠剁郴绲�(t菕ng)鏄搷浣滅郴绲�(t菕ng)鐨勬牳蹇�,涓嶅悓鐨勬搷浣滅郴绲�(t菕ng)鍏舵枃浠剁郴绲�(t菕ng)涔熶笉鐩＄浉鍚�,閫欎富瑕侀珨鐝�(xi脿n)鍦ㄦ枃浠跺瓨鍎�(ch菙)绌洪枔鐨勫嫊(d貌ng)鎱�(t脿i)鍒嗛厤姗�(j墨)鍒朵笂,鍚勭ó鏂囦欢绯荤当(t菕ng)鍚勬湁鑷繁鐨勭壒榛�(di菐n)銆傛湰鏂囧皣浠嬬垂鍩轰簬宓屽叆寮忓(sh铆)鏅�(sh铆)鎿嶄綔绯荤当(t菕ng)µCOS-II鐨勫祵鍏ュ紡鎳�(y墨ng)鐢ㄥ(sh铆)渚嬩腑鐨勬枃浠剁郴绲�(t菕ng)鐨勮ō(sh猫)瑷�(j矛)鍙婂(sh铆)鐝�(xi脿n)鏂规硶銆�

2.鏂囦欢绯荤当(t菕ng)绨′粙

銆€銆€鐩墠宓屽叆寮忔搷浣滅郴绲�(t菕ng)鍒嗗晢鐢ㄥ拰鍏嶈不(f猫i)鍏╃ó銆傚湪鍦嬪収(n猫i)甯傚牬鍗犳湁鐜囩涓€鐨勫晢鐢ㄦ搷浣滅郴绲�(t菕ng)鏄疺xWorks锛屽厤璨�(f猫i)鐨勬搷浣滅郴绲�(t菕ng)鍖呮嫭µCOS-II 锛孮NX鍜宭inux銆傜敱浜庡晢鐢ㄦ搷浣滅郴绲�(t菕ng)鍍�(ji脿)鏍兼槀璨达紝鎵€浠ュ緢澶氱殑鐮旂┒姗�(j墨)妲�(g貌u)浣跨敤鍏嶈不(f猫i)鎿嶄綔绯荤当(t菕ng)銆傛湰宓屽叆寮忕郴绲�(t菕ng)鐨勬搷浣滅郴绲�(t菕ng)閲囩敤鐨勬槸灏�(du矛)鐮旂┒姗�(j墨)妲�(g貌u)鍏嶈不(f猫i)浣跨敤鐨�µCOS-II銆偽糃/OS-II鏄疛ean Labrosse绶ㄥ鐨勪竴鍊�(g猫)鍏嶈不(f猫i)鐨�銆佹簮纰煎叕闁嬬殑宓屽叆寮忓(sh铆)鏅�(sh铆)鍏�(n猫i)鏍�銆傚皪(du矛)浜庨枊鐧�(f膩)瑷�(j矛)绠楁(j墨)宓屽叆寮忔噳(y墨ng)鐢ㄧ敘(ch菐n)鍝佷締瑾槸涓€鍊�(g猫)瀵�(sh铆)鐢ㄥ児(ji脿)鍊煎緢楂樼殑瀵�(sh铆)鏅�(sh铆)宓屽叆寮忔搷浣滅郴绲�(t菕ng)ERTOS銆�

銆€銆€FAT锛團ile allocation table锛夋枃浠跺垎閰嶈〃锛屾槸涓€鍊�(g猫)鎳�(y墨ng)鐢ㄤ簡骞惧崄骞寸殑鍟嗘キ(y猫)鍖栬粺浠剁敘(ch菐n)鍝�锛屽叾MS-DOS 鏂囦欢绯荤当(t菕ng)鎶€琛�(sh霉)鎴愮啛銆佺祼(ji茅)妲�(g貌u)绨″柈銆佺郴绲�(t菕ng)璩囨簮闁嬮姺灏�锛屾槗浜庡湪宓屽叆寮忕郴绲�(t菕ng)鐨勭‖浠跺钩鑷�(t谩i)涓婂(sh铆)鐝�(xi脿n)銆傚畠涓嶇敤浜庤〃绀哄紩灏�(d菐o)鍗€(q奴)銆佹枃浠剁洰閷勮〃鐨勪俊鎭�锛屼篃涓嶇湡姝ｅ瓨鍎�(ch菙)鏂囦欢鍏�(n猫i)瀹�锛屽彧鍙嶆槧纾佺洡绌洪枔鐣�(d膩ng)鍓嶇殑浣跨敤鎯呮硜锛屾槸閫欏€�(g猫)鏂囦欢绯荤当(t菕ng)鐨勬牳蹇冦€傛枃浠跺湪纾佺洡鐨勫垎甯冩儏娉佹槸浠ョ皣閺堢殑鏂瑰紡瑷橀寗鍦‵AT涓�銆傛瘡鍊�(g猫)鏂囦欢閮芥湁鑷繁鐨勫瓨鍎�(ch菙)绨�锛屽彲浠ユ槸閫ｇ簩(x霉)鐨勪篃鍙互鏄笉閫ｇ簩(x霉)鐨�锛岄€氶亷FAT琛ㄤ締瀵�(sh铆)鐝�(xi脿n)鍏跺畬鏁存€с€�

銆€銆€JFFS2鏄偤鍦ㄥ祵鍏ュ紡绯荤当(t菕ng)涓娇鐢╢lash瀛樺劜(ch菙)瑷�(sh猫)鍌欒€屽皥闁€瑷�(sh猫)瑷�(j矛)鐨勪竴绋棩蹇楁枃浠剁郴绲�(t菕ng)锛屼綔鐐轰竴绋棩蹇楃祼(ji茅)妲�(g貌u)鐨勬枃浠剁郴绲�(t菕ng)锛屽畠鐨勬枃浠剁敱涓€闀蜂覆绡€(ji茅)榛�(di菐n)绲勬垚锛屾瘡鍊�(g猫)绡€(ji茅)榛�(di菐n)鍖呭惈鏂囦欢鐨勯儴鍒嗕俊鎭€傚瀮鍦炬敹闆嗘妧琛�(sh霉)鏄疛FFS2鐨勯噸瑕侀儴鍒�锛屽叾鍘熺悊鏄暥(d膩ng)闇€瑕佸娣绘柊鍏�(n猫i)瀹规檪(sh铆)锛屽氨鍦ㄧ瘈(ji茅)榛�(di菐n)閺堣〃鐨勬湯绔坊鍔犳柊鐨勭瘈(ji茅)榛�(di菐n)銆佸瓨鍎�(ch菙)鏂扮殑鍏�(n猫i)瀹�;鑻ヨ淇敼鏂囦欢鐨勬煇閮ㄥ垎锛孞FFS2灏囪┎閮ㄥ垎妯�(bi膩o)瑷樼偤寤㈡锛屽苟鍦ㄧ瘈(ji茅)榛�(di菐n)閺堣〃鏈娣诲姞淇敼鍚庣殑鍏�(n猫i)瀹广€侸FFS2濡傛涓嶆柗鍦板湪flash涓婃坊鍔犳柊鐨勫収(n猫i)瀹�锛岀暥(d膩ng)flash涓婄殑瀛樺劜(ch菙)绌洪枔鐢ㄥ畬鏅�(sh铆)锛岀郴绲�(t菕ng)灏卞洖鏀舵(bi膩o)瑷樼偤寤㈡鐨勭┖闁�锛岃┎閬庣▼灏辩ū鐐哄瀮鍦炬敹闆�銆�

3. Flash鐨勭壒鎬�

銆€銆€Flash鍏锋湁楂樺瘑搴﹀拰鑹ソ鐨勫瓨鍙栭€熷害绛夊劒(y艒u)榛�(di菐n)锛屾槸宓屽叆寮忛牁(l菒ng)鍩熸噳(y墨ng)鐢ㄦ渶鐐哄唬娉涚殑瀛樺劜(ch菙)瑷�(sh猫)鍌�銆� 瀹冨湪璁€鍙栨柟闈㈣垏鏅€氱殑SRAM 瀛樺劜(ch菙)鍣ㄩ浼�锛屼竴鑸彲浠ュ(sh铆)鐝�(xi脿n)瀹屽叏闅ㄦ(j墨)鐨勮畝鍙栵紝鏈€澶х殑涓嶅悓鍦ㄤ簬瀵搷浣滄柟闈�銆侳lash瀛樺劜(ch菙)鍣ㄧ殑瀵搷浣滈渶瑕佺稉(j墨ng)閬庘€滄摝闄も€� 瀵叆鈥濆叐鍊�(g猫)鎿嶄綔閬庣▼銆傛湰绯荤当(t菕ng)浣跨敤鐨刦lash鏄痵st39VF160鍨�锛屽鏋滃笇鏈涘皪(du矛)鏌愪竴鍊�(g猫)鍠厓閫�(j矛n)琛屽鍏ユ檪(sh铆)锛岄鍏堝繀闋堝皪(du矛)閫欏€�(g猫)瀛樺劜(ch菙)鍠厓鎵€鍦ㄧ殑鎵囧崁(q奴)锛圫ector锛夋垨濉婏紙Block锛夊煼(zh铆)琛屾摝闄ゆ搷浣�锛屾摝闄ゆ搷浣滄垚鍔熷畬鎴愬悗锛屾暣鍊�(g猫)鎵囧崁(q奴)鎴栧鐨勬暩(sh霉)鎿�(j霉)鍏�(n猫i)瀹归兘琚竻绌�銆備竴鑸瑷�(sh猫)缃垚0XFF;鐒跺悗灏�(du矛)鐩殑鍠厓鎵€鍦ㄧ殑鎵囧崁(q奴)鎴栧鍩�(zh铆)琛屽鍏ユ搷浣�锛岄€欏氨鎰忓懗钁椾慨鏀规暩(sh霉)鎿�(j霉)姣斿柈鐛�(d煤)鐨勫鍜岃畝鎿嶄綔闇€瑕佹洿澶氱殑鏅�(sh铆)闁�銆傜偤浜嗘彁楂榝lash鍒╃敤鐜囷紝娓涘皯纰庣墖锛屾湰绯荤当(t菕ng)瀹氱京浜嗙皣锛屽畠鏄鎿嶄綔鐨勬渶灏忓柈浣嶏紝骞惰(gu墨)瀹氭瘡绨囧崰256type銆係st39VF160鐨勫ぇ灏忔槸1M脳16bit锛屽垎32鍊�(g猫)濉婏紙Block,32kword锛夛紝鍒�512鍊�(g猫)鎵囧崁(q奴)锛圫ector,2kword锛�,鍖呭惈8192鍊�(g猫)绨�銆�

銆€銆€Sst39VF160鎻愪緵浜哠ector-Erase,Block-Erase鍜孋hip-Erase涓夌ó鎿﹂櫎鏂瑰紡锛孋hip-Erase鏄妸鏁村€�(g猫)Flash鎿﹂櫎锛屽収(n猫i)瀹硅ō(sh猫)缃偤1;Block-Erase鍜孲ector-Erase鍒嗗垾浠ュ鍜屾墖鍗€(q奴)鐐哄柈浣嶅埅闄lash锛岃€屼笖flash鐨勬摝闄ゆ鏁�(sh霉)鏄湁闄愮殑銆傜暥(d膩ng)涓€鍊�(g猫)濉婃垨鎵囧崁(q奴)鎻愬墠閬�(d谩)鍒版摝闄ゆ鏁�(sh霉)鐨勪笂闄愭檪(sh铆)灏囧皫(d菐o)鑷存暣鍊�(g猫)flash鐒℃硶浣跨敤銆傞€氬父涓婇檺鐐烘瘡鍊�(g猫)濉婂彲鎿﹂櫎100000娆�銆傜偤浜嗛伩鍏嶄换鎰忎竴鍊�(g猫)濉婂湪鍏跺畠濉婁箣鍓嶉仈(d谩)鍒伴€欏€�(g猫)妤甸檺锛屾枃浠剁郴绲�(t菕ng)蹇呴爤淇濊瓑鎿﹂櫎娆℃暩(sh霉)鍦ㄥ悇鎿﹂櫎濉婁箣闁撶洝鍙兘鍧囧嫽鍒嗗竷锛岄€欎竴閬庣▼绋辩偤鈥滃潎琛＄（鎼� 锛圵ear Leveling锛� 銆� 鈥�

4.瑙告懜灞忕殑绨′粙锛�

銆€銆€瑙告懜灞忓伐妤�(y猫)鍦栧舰椤ず鍣�锛岀啊绋辫Ц鎽稿睆锛屽畠鏄竴绋€ｆ帴浜哄拰瑷�(sh猫)鍌欙紙涓昏鏄疨LC锛夌殑浜烘(j墨)鐣岄潰锛圚uman and Machine Interface/Man and Machine Interface 锛岀啊绋盚MI/MMI锛�銆傚畠鏄敤渚嗘浛浠ｅ偝绲�(t菕ng)鐨勬帶鍒堕潰鏉垮拰閸电洡鐨勬櫤鑳藉寲鎿嶄綔椤ず鍣�锛屾槸宸ユキ(y猫)鍫村悎甯哥敤鐨勬搷浣滆嚭(t谩i)锛屼竴鑸敤渚嗛€ｆ帴PLC銆佽畩闋诲櫒绛夎ō(sh猫)鍌欍€�

鍦�1 瑙告懜灞忕郴绲�(t菕ng)

銆€銆€涓昏鐨勫姛鑳藉寘鎷細

銆€銆€路瑷�(sh猫)鍌欑洠(ji膩n)瑕栧姛鑳� 浠ユ暩(sh霉)鎿�(j霉)鏇茬窔銆佸湒褰㈡垨鍕�(d貌ng)鐣殑褰㈠紡渚嗗弽鏄犺ō(sh猫)鍌欑殑鍏�(n猫i)閮ㄧ媭鎱�(t脿i);

銆€銆€路瑷�(sh猫)鍌欐帶鍒跺姛鑳� 閫氶亷瑙告懜鎿嶄綔渚嗘敼璁�?c猫)O(sh猫)鍌欙紙濡侾LC鐨勫瘎瀛樺櫒锛夌殑鍏�(n猫i)閮ㄥ瘎瀛樺櫒锛屽緸鑰屽弮鑸囨帶鍒堕亷绋�;

銆€銆€路 鏁�(sh霉)鎿�(j霉)瑷橀寗鍔熻兘 閫氶亷妯�(bi膩o)婧�(zh菙n)鐨勫ぇ瀹归噺CF鍗″瓨鍎�(ch菙)閰嶆柟鏁�(sh霉)鎿�(j霉)锛屽(sh铆)鏅�(sh铆)閲囨ǎ鐨勬暩(sh霉)鎿�(j霉)鍜屾鍙插牨(b脿o)璀︿俊鎭€�

銆€銆€閫氬父,鍦ㄤ笂浣嶆(j墨)锛坧c锛夌敤绲勬厠(t脿i)杌熶欢锛圚MI/MMI锛夎ō(sh猫)瑷�(j矛)鎺у埗绯荤当(t菕ng)锛岀劧鍚庡皣绯荤当(t菕ng)锛堝寘鎷郴绲�(t菕ng)鏂囦欢銆佺暙闈㈡枃浠�銆侀€氳▕鍗�(xi茅)璀扮瓑锛変笅杓夊埌瑙告懜灞忥紝姝ゆ檪(sh铆)PC鍜岃Ц鎽稿睆鏄笂浣嶆(j墨)鍜屼笅浣嶆(j墨)鐨勯棞(gu膩n)绯�銆傝Ц鎽稿睆閬�(y霉n)琛屾檪(sh铆)瀵�(sh铆)鏅�(sh铆)鑸嘝LC 閫氳▕锛屾牴鎿�(j霉)鎯呮硜璁€瀵玃LC瀵勫瓨鍣�锛屽苟鎶婂瘎瀛樺櫒鍊肩殑璁婂寲鍦ㄩ’绀哄櫒鍏�(n猫i)閮ㄤ互鍦栧舰銆佺暙闈�銆佹洸绶氱瓑褰㈠紡琛ㄧ従(xi脿n)鍑轰締锛屾鏅�(sh铆)瑙告懜灞忓拰PLC鏄富姗�(j墨)鍜屽緸姗�(j墨)鐨勯棞(gu膩n)绯�銆�

5.鏂囦欢绯荤当(t菕ng)

銆€銆€鏈珫鏂囧祵鍏ュ紡绯荤当(t菕ng)浣跨敤鐨凜PU鏄笁鏄熺殑ARM7绯诲垪鐨凷3C44B0锛屽瓨鍎�(ch菙)鍣ㄩ噰鐢ㄧ殑鏄痵st39VF160鍨媐lash锛屾搷浣滅郴绲�(t菕ng)閬哥敤鐨勬槸瀵�(sh铆)鏅�(sh铆)鎿嶄綔绯荤当(t菕ng)µCOS-II銆傝┎鏂囦欢绯荤当(t菕ng)鍦ㄥ熀鏈祼(ji茅)妲�(g貌u)涓婅垏MS-DOS鐨凢AT鏂囦欢绯荤当(t菕ng)椤炰技銆傛湰flash鏂囦欢绯荤当(t菕ng)鐨勫熀鏈祼(ji茅)妲�(g貌u)濡傝〃1鎵€绀猴細

琛�1 鏈現lash鏂囦欢绯荤当(t菕ng)鐨勭祼(ji茅)妲�(g貌u)

銆€銆€Flash鐨勭┖闁撳垎閰嶅琛�2锛�

琛�2 Fl ash 绌洪枔鍒嗛厤

銆€銆€Flash鍓嶉潰鐨�32k瀛樻斁bootloader绋嬪簭锛宐ootloader绋嬪簭鏄湪鎿嶄綔绯荤当(t菕ng)鍏�(n猫i)鏍搁亱(y霉n)琛屼箣鍓嶉亱(y霉n)琛岀殑涓€娈靛皬绋嬪簭銆傞€氶亷閫欐灏忕▼搴�锛屽彲浠ュ垵濮嬪寲纭欢瑷�(sh猫)鍌�銆佸缓绔嬪収(n猫i)瀛樼┖闁撶殑鏄犲皠鍦栵紝寰炶€屽皣绯荤当(t菕ng)鐨勮粺纭欢鐠�(hu谩n)澧冨付鍒颁竴鍊�(g猫)鍚堥仼鐨勭媭鎱�(t脿i)锛屼互渚跨偤鏈€绲傝(di脿o)鐢ㄦ搷浣滅郴绲�(t菕ng)鍏�(n猫i)鏍告簴(zh菙n)鍌欏ソ姝ｇ⒑鐨勭挵(hu谩n)澧�銆�

銆€銆€绨囪〃瑷橀寗浜嗛櫎鏂囦欢棣栫皣浠ュ鏂囦欢浣跨敤鐨勬墍鏈夌皣鐨勬儏娉侊紙鏂囦欢鐨勯绨囦娇鐢ㄦ儏娉佽閷勫湪鏂囦欢鍒嗛厤琛ㄤ腑锛�锛岀皣琛ㄧ殑搴忚櫉(h脿o)鑸囨枃浠舵墍浣跨敤鐨勭皣铏�(h脿o)鏈変竴涓€灏�(du矛)鎳�(y墨ng)鐨勯棞(gu膩n)绯汇€傚湒2绲﹀嚭浜嗘湰鏂囦欢绯荤当(t菕ng)涓皣琛ㄥ拰鏂囦欢鍒嗛厤鐨勯棞(gu膩n)绯伙紝閰嶅悎閫欏€�(g猫)渚嬪瓙锛屽彲浠ユ竻妤氱殑浜嗚В绨囪〃鍦ㄦ枃浠剁郴绲�(t菕ng)涓殑浣滅敤鍙婃枃浠剁郴绲�(t菕ng)鏄浣曞埄鐢ㄧ皣琛ㄤ締瀹屾垚宸ヤ綔鐨�銆備緥瀛愪腑鏂囦欢鐨勮捣濮嬬皣铏�(h脿o)鐐�4锛屽崰鐢�4鍊�(g猫)绨囩殑绌洪枔锛堢4绨囧埌绗�7绨囷級銆�

鍦�2 绨囪〃鍜屾枃浠跺垎閰嶇殑闂�(gu膩n)绯�

銆€銆€鏍规摎(j霉)绨囪〃鍙互鐭ラ亾鏌愮皣鐨勪娇鐢ㄦ儏娉�锛屾槸浣跨敤閭勬槸鏈娇鐢ㄣ€傚湪閫�(j矛n)琛屾枃浠舵搷浣滄檪(sh铆)锛屾牴鎿�(j霉)鏂囦欢鍒嗛厤琛ㄤ腑鎵惧埌鏂囦欢鐨勮捣濮嬬皣锛岀劧鍚庡湪绨囪〃涓煡鍑洪張鎺ョ皣铏�(h脿o)銆傜皣琛ㄥ収(n猫i)瀹硅琛�3銆�

琛�3 绨囪〃

銆€銆€绯荤当(t菕ng)淇℃伅琛細瀛樻斁濯掕唱(zh矛)淇℃伅鍜屾渶閲嶈鐨勬枃浠剁郴绲�(t菕ng)淇℃伅銆傚獟璩�(zh矛)淇℃伅璜稿flash瀛樺劜(ch菙)鍣ㄧ殑椤炲瀷銆佸閲忥紝鍔冨垎鎴愬灏戝€�(g猫)鍗€(q奴)濉�锛屾瘡鍗€(q奴)濉婂寘鍚灏戝€�(g猫)鎵囧崁(q奴)绛�銆傛枃浠剁郴绲�(t菕ng)淇℃伅鍖呮嫭鐗堟湰淇℃伅銆佷繚鐣欏崁(q奴)濉婄殑鏁�(sh霉)鐩拰浣嶇疆銆佹枃浠跺垎閰嶈〃鍜屾枃浠剁櫥瑷樿〃鎵€鍦ㄧ殑浣嶇疆鍜屽ぇ灏忋€佹暩(sh霉)鎿�(j霉)鍗€(q奴)鍩熺殑浣嶇疆鍜屽ぇ灏忕瓑銆�

銆€銆€绨囪〃锛氭湰flash绯荤当(t菕ng)瀹氱京256type鐐轰竴绨囷紝绨囪〃瀛樻斁钁梖lash瀛樺劜(ch菙)鍣ㄧ殑绨囩殑鍗犵敤鑸囩┖闁戞儏娉�銆侳AT鏂囦欢绯荤当(t菕ng)涓湁12 浣�銆�16 浣�銆�32浣嶄笁绋笉鍚岀殑FAT 鏍煎紡?锛熺搐]鍒板湪寰檿鐞嗗櫒涓婂(sh铆)鐝�(xi脿n)鐨勬柟渚垮強鏈郴绲�(t菕ng)浣跨敤鐨刦lash鏄�16bit锛屾墍浠ュ皣绨囪〃鍥哄畾鐐�16浣嶇殑鏍煎紡銆傜敱浜巉lash鐨勫墠32k鐢ㄤ締鍥哄畾瀛樻斁bootloader锛岀皣琛ㄧ殑鍓�128闋�(xi脿ng)琚枒缃紝鐝�(xi脿n)鍦ㄧ敤渚嗗瓨鏀剧郴绲�(t菕ng)淇℃伅琛ㄥ収(n猫i)瀹�銆�

銆€銆€鏁�(sh霉)鎿�(j霉)鍗€(q奴)鍩燂細鐢ㄤ簬瀛樻斁鏂囦欢鐨勬暩(sh霉)鎿�(j霉)鍏�(n猫i)瀹�銆傛湰flash鏂囦欢绯荤当(t菕ng)涓�锛屾暩(sh霉)鎿�(j霉)鍒嗛厤鐨勬渶灏忓柈浣嶆槸绨囷紝鑰屾墖鍗€(q奴)锛坰ector锛夋槸涓€鍊�(g猫)鍩烘湰鎿﹂櫎鍠綅銆�

銆€銆€鏈琭lash鏂囦欢绯荤当(t菕ng)鎻愪緵锛氭枃浠剁郴绲�(t菕ng)鐨勬牸寮忓寲锛屾枃浠剁殑鎵撻枊銆侀棞(gu膩n)闁�銆佸埅闄�銆佸缓绔嬨€佽畝銆佸銆傞嚌灏�(du矛)绯荤当(t菕ng)鐨勭壒榛�(di菐n)鍜岄渶姹�锛屾湰鏂囦欢绯荤当(t菕ng)鏈彁渚涚洰閷勮í鍟忓姛鑳�銆�

銆€銆€鏂囦欢绯荤当(t菕ng)閬�(y霉n)琛屾檪(sh铆)锛岄鍏堜笂浣嶆(j墨)閫氶亷Jtag鍙ｆ妸bootloader绋嬪簭鐕掑flash涓�锛岀劧鍚庝笂浣嶆(j墨)閫氶亷RS232涓插彛灏囩郴绲�(t菕ng)涓嬭級鍒颁笅浣嶆(j墨)锛屼笅杓夐亷绋嬩腑鐢熸垚鏂囦欢绯荤当(t菕ng)銆傜皣琛ㄩ浼糉AT鏍煎紡锛岀暥(d膩ng)鏂囦欢绯荤当(t菕ng)瑕佸缓绔嬫枃浠舵檪(sh铆),瀹冪附鏄鍏堥€�(j矛n)鍏ョ皣琛�,鐒跺悗鎼滅储绨囪〃灏嬫壘鍙敤绨�,鐩￠噺鎵鹃€ｇ簩(x霉)鐨勫彲鐢ㄧ皣锛堝叾绨囪〃闋�(xi脿ng)鍊肩偤0锛�,骞跺皣瑭茬皣绨囪櫉(h脿o)浣滅偤瑭叉枃浠剁殑璧峰绨囪櫉(h脿o)瀵埌鏂囦欢鍒嗛厤琛ㄤ腑鐨勮捣濮嬬皣铏�(h脿o)闋�(xi脿ng)涓�,骞跺皣鏁�(sh霉)鎿�(j霉)瀛樺叆瑭茬皣涓�銆傚鏋滀竴鍊�(g猫)閫ｇ簩(x霉)绌虹皣閭勬湭瀛樹笅姝ゆ枃浠跺墖鎵句笅涓€鍊�(g猫)閫ｇ簩(x霉)绌虹皣,閫欐ǎ灏卞舰鎴愪簡涓€鍊�(g猫)绨囬張銆傚墠涓€鍊�(g猫)绨囧皪(du矛)鎳�(y墨ng)鐨勭皣琛ㄩ爡(xi脿ng)涓附鏄閷勮憲涓嬩竴鍊�(g猫)绨囩殑绨囪櫉(h脿o),鑰屽湪鏈€鍚庝竴鍊�(g猫)绨囪〃闋�(xi脿ng)涓～鍏ユ枃浠剁祼(ji茅)鏉熸(bi膩o)蹇�0xFFFF,瑷晱鏂囦欢鏅�(sh铆),闋嗚憲閫欐鎵囧崁(q奴)閺堝氨鍙互鎵惧埌鍏ㄩ儴鏂囦欢鐨勫収(n猫i)瀹�銆�

銆€銆€鐐轰簡瑙ｆ焙flash瀛樺湪鍏堟摝闄ゅ啀瀵殑缂洪櫡鍜屸€滃潎琛＄（鎼嶁€濆晱椤屻€傛湰鏂囦欢绯荤当(t菕ng)鍦ㄤ慨鏀规煇鍊�(g猫)鐣潰鏂囦欢骞朵笅杓夊埌涓嬩綅姗�(j墨)鏅�(sh铆)锛屾枃浠剁郴绲�(t菕ng)妾㈡煡鍒癴lash瀛樺湪閫欏€�(g猫)鏂囦欢鐨勮垔鏁�(sh霉)鎿�(j霉)锛岄€欏€�(g猫)鏅�(sh铆)鍊�锛岄伒寰厛瀵悗鎿﹂櫎鐨勫師鍓�銆傚嵆鍦ㄧ皣琛ㄥ皨鎵炬湭浣跨敤鐨勭┖绨�锛屽鍏ユ柊鐨勬枃浠舵暩(sh霉)鎿�(j霉)锛屽悓鏅�(sh铆)锛屼慨鏀圭皣琛�锛屽皣瀛樻斁鍘熶締鏂囦欢灏�(du矛)鎳�(y墨ng)鐨勭皣琛ㄩ爡(xi脿ng)缃�0x1111锛堣嚐鏁�(sh霉)鎿�(j霉)锛�锛岃嚜鍕�(d貌ng)淇敼鏂囦欢鍒嗛厤琛�锛屽皣瑭叉枃浠剁殑璧峰绨囩敱鍘熶締鐨勭皣铏�(h脿o)鏀圭偤鐝�(xi脿n)鍦ㄧ殑绨囪櫉(h脿o)銆傞洊鐒朵笉鑳藉畬鍏ㄩ仈(d谩)鍒扳€滃潎琛＄（鎼嶁€�锛屼絾鍦ㄤ竴瀹氱▼搴︿笂绶╄В浜嗛€欏€�(g猫)鍟忛锛屾豢瓒冲(sh铆)闅涚殑闇€姹�銆傜暥(d膩ng)鏂囦欢姣旇純澶氳€宖lash鐨勭┖闁撶穵寮垫檪(sh铆)锛屽€熼憭JFFFS2鏂囦欢绯荤当(t菕ng)鐨勫瀮鍦鹃泦鍥炴敹鎶€琛�(sh霉)鐨勬€濇兂锛岃(gu墨)瀹氱暥(d膩ng)绌虹殑鎵囧崁(q奴)鏁�(sh霉)灏戜簬6鍊�(g猫)锛屾縺娲讳竴鍊�(g猫)浠诲嫏(w霉)锛岄枊濮嬪洖鏀惰嚐绌洪枔锛屽绲備繚璀夌郴绲�(t菕ng)鏈夎嚦灏�6鍊�(g猫)鎵囧崁(q奴)鐨勭┖闁撲娇鐢�銆�

6.绲�(ji茅)璜�

銆€銆€鏈枃浠剁郴绲�(t菕ng)閲濆皪(du矛)flash鏈韩鍏堟摝闄ゅ啀瀵殑缂洪櫡鍜屸€滃潎琛＄（鎼嶁€濈殑鐗规€�锛屽悓鏅�(sh铆)绲�(ji茅)鍚堜簡FAT鏂囦欢绯荤当(t菕ng)鍜孞FFF2鏂囦欢绯荤当(t菕ng)鐨勭壒榛�(di菐n)锛屽(sh铆)鐝�(xi脿n)浜嗗皪(du矛)鏂囦欢鐨勭祫绻旇垏绠＄悊锛屼繚璀変簡绯荤当(t菕ng)鐨勬甯搁亱(y霉n)琛�銆�

銆€銆€鏈枃浠剁郴绲�(t菕ng)鎳�(y墨ng)鐢ㄤ簬瑙告懜灞忕敘(ch菐n)鍝佺暥(d膩ng)涓紝瀵�(sh铆)闅涢亱(y霉n)琛屾晥鏋滆壇濂�锛屽悓鏅�(sh铆)锛屼篃鍙互浣滅偤鍏朵粬宓屽叆寮忔枃浠剁郴绲�(t菕ng)鐨勫弮鑰�銆�

[鍙冭€冩枃鐛�(xi脿n)]

銆€銆€[1].鏉庢鑹�,鍔夌櫦(f膩)璨达紝JFFS2鏂囦欢绯荤当(t菕ng)鐨勯棞(gu膩n)閸垫妧琛�(sh霉)鍙婂叾鍦ㄥ祵鍏ュ紡绯荤当(t菕ng)鐨勬噳(y墨ng)鐢�锛岃▓(j矛)绠楁(j墨)鎳�(y墨ng)鐢紝2003骞�7鏈�

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