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鍦�3MPC5200寰檿鐞嗗櫒鍔熻兘妗嗗湒

瑷�(sh猫)鍌欏堡鏄亱(y霉n)鍕�(d貌ng)鎺у埗鍣ㄧ殑纭欢灞�锛屽湪閫欓儴鍒嗚ō(sh猫)瑷�(j矛)閬庣▼涓渶瑕佸畬鎴愰亱(y霉n)鍕�(d貌ng)鎺у埗鍣ㄧ殑纭欢瑷�(sh猫)瑷�(j矛)锛岄浕璺ō(sh猫)瑷�(j矛)銆傚祵鍏ュ紡閬�(y霉n)鍕�(d貌ng)鎺у埗鍣ㄧ殑纭欢瑷�(sh猫)瑷�(j矛)鑸囧偝绲�(t菕ng)鐨勫熀浜嶱C姗�(j墨)鐨勯亱(y霉n)鍕�(d貌ng)鎺у埗鍣ㄨō(sh猫)瑷�(j矛)鏈夊緢澶т笉鍚屼箣铏�?锛熺搐]鍒伴潰鍚戠壒娈婇牁(l菒ng)鍩熺殑鎳�(y墨ng)鐢ㄧ壒鎬�锛屽祵鍏ュ紡绯荤当(t菕ng)涓嶈兘浣跨敤妗岄潰绯荤当(t菕ng)閭ｆǎ璞愬瘜鐨勭‖浠惰硣婧�锛屽洜姝ゆ(bi膩o)婧�(zh菙n)鐨凱c姗�(j墨)纭欢鐒℃硶鐩存帴鎳�(y墨ng)鐢ㄥ埌宓屽叆寮忛亱(y霉n)鍕�(d貌ng)鎺у埗鍣ㄤ腑鍘伙紝閫欎簺姹哄畾浜嗛枊鏀惧紡閬�(y霉n)鍕�(d貌ng)鎺у埗鍣ㄧ殑纭欢瑷�(sh猫)瑷�(j矛)鍏锋湁鍏剁壒娈婃€�銆�

2.1 纭欢绲�(ji茅)妲�(g貌u)瑷�(sh猫)瑷�(j矛)

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鍩轰簬PowerPC鍏�(n猫i)鏍哥殑MPC5200鈥濃€滄槸涓€椤嗕綆鍔熻€�銆佽檿鐞嗛€熷害閬�(d谩)760MIPS鐨勫祵鍏ュ紡铏曠悊鍣ㄣ€傚畠鏀寔浠ュお缍�(w菐ng)銆乁SB銆丳CI銆丄TA銆�12S銆�12C銆丼PI銆佷覆琛屾帴鍙�銆丣1850鍜屾帶鍒跺崁(q奴)鍩熺恫(w菐ng)(CAN)銆傚悓鏅�(sh铆)锛屽畠閭勬敮鎸丏DR瀛樺劜(ch菙)鍣�锛屽苟闆嗘垚浜嗕竴鍊�(g猫)闆欑簿搴︾殑娴粸(di菐n)鍠厓(FPU)锛屽鍦�3鎵€绀�銆�

MPC5200閬�(y霉n)鍕�(d貌ng)鎺у埗鍣ㄦ槸涓€娆鹃潪甯搁仼鍚堜簬宸ユキ(y猫)鎺у埗闋�(l菒ng)鍩熸噳(y墨ng)鐢ㄧ殑閬�(y霉n)鍕�(d貌ng)鎺у埗鍣�锛岄枊鏀惧寲鐨勭壒榛�(di菐n)浣垮叾鑳藉鎳�(y墨ng)鐢ㄤ簬澶氱ó姗�(j墨)姊拌ō(sh猫)鍌欎笂锛岃€岄€氶亷CAN绺界窔浜掗€ｇ祫寤虹殑鐝�(xi脿n)鍫�(ch菐ng)绺界窔閬�(y霉n)鍕�(d貌ng)鎺у埗绯荤当(t菕ng)鏄竴绋叏鏂扮殑鍒嗗竷寮忔帶鍒剁郴绲�(t菕ng)銆傚洜姝pc5200閬�(y霉n)鍕�(d貌ng)鎺у埗鍣ㄥ畬鍏ㄥ彲浠ユ豢瓒崇従(xi脿n)浠ｆ暩(sh霉)鎺х郴绲�(t菕ng)楂橀€熷寲銆佹櫤鑳藉寲銆佺恫(w菐ng)绲�(lu貌)鍖�銆侀泦鎴愬寲銆侀枊鏀惧寲鐨勯渶姹傘€�

2.2 杌熶欢绲�(ji茅)妲�(g貌u)瑷�(sh猫)瑷�(j矛)

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宓屽叆寮忔暩(sh霉)鎺х殑鍩烘湰鍔熻兘鐢卞悇绋姛鑳芥ā濉婂叡鍚屼締瀵�(sh铆)鐝�(xi脿n)鐨勩€傚湪浠inux鐐烘搷浣滅郴绲�(t菕ng)鐨勯枊鏀惧紡骞宠嚭(t谩i)涓婇泦鎴怰TAI鐨勫(sh铆)鏅�(sh铆)鍏�(n猫i)鏍�銆傞€氶亷妯″鍖栫殑瑷�(sh猫)瑷�(j矛)鎬濇兂锛屽彲浠ュ皣鏁村€�(g猫)鎺у埗绯荤当(t菕ng)鎸夌収瀵�(sh铆)鏅�(sh铆)鎬х殑瑕佹眰鍒嗙偤鐢ㄦ埗灞ゆā濉�锛屽収(n猫i)鏍稿堡瀵�(sh铆)鏅�(sh铆)妯″鍏╁€�(g猫)澶х殑妯″锛屽悓鏅�(sh铆)鍦ㄥ叐鍊�(g猫)澶х殑妯″涓嬪張鏍规摎(j霉)涓嶅悓鐨勫瓙鍔熻兘鍒嗙偤浠ｇ⒓瑙ｉ噵妯″锛屼汉姗�(j墨)浜や簰鍙婂垁鍏蜂豢鐪熷湒褰㈡ā濉婏紝鏂囦欢绠＄悊妯″锛屼綅缃帶鍒舵ā濉婏紝鎻掕(b菙)閬�(y霉n)绠楁ā濉�锛岀媭鎱�(t脿i)鐩�(ji膩n)娓�(c猫)妯″绛�锛屽鍦�4鎵€绀�銆�

鍦�4绯荤当(t菕ng)杌熶欢绲�(ji茅)妲�(g貌u)鍦�

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3 瀵�(sh铆)鏅�(sh铆)鎺у埗鐨勮粺浠跺(sh铆)鐝�(xi脿n)

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瀵�(sh铆)鏅�(sh铆)鍔熻兘妯″瀵�(sh铆)鐝�(xi脿n)鏂瑰紡濡備笅锛氫綅缃帶鍒朵换鍕�(w霉)moor()姹哄畾闆绘(j墨)鎺у埗绮惧害銆傝▓(j矛)绠椾笅涓€鍛ㄦ湡鐨勫(sh铆)闅涘潗妯�(bi膩o)澧為噺锛岃几鍑哄埌浼烘湇鍠厓椹�(q奴)鍕�(d貌ng)姝ラ€�(j矛n)闆绘(j墨)宸ヤ綔銆傚洜姝ゅ皣鍏惰ō(sh猫)瑷�(j矛)鎴愬懆鏈熸€TAI绶氱▼锛庨亱(y霉n)琛屽懆鏈熺偤4ms锛�1绱�(j铆)鍎�(y艒u)鍏堟瑠(qu谩n)銆�

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鐙€鎱�(t脿i)妾㈡脯(c猫)浠诲嫏(w霉)monitor()瑕佸皪(du矛)鐙€鎱�(t脿i)閫�(j矛n)琛屽(sh铆)鏅�(sh铆)鐩�(ji膩n)鎺�銆傚洜姝よō(sh猫)缃浠诲嫏(w霉)閬�(y霉n)琛屽懆鏈熺偤lOms锛庡劒(y艒u)鍏堢礆(j铆)鐐�3绱�(j铆)銆傞亱(y霉n)鍕�(d貌ng)鎺у埗鍣ㄨ粺浠剁殑鎵€鏈夊(sh铆)鏅�(sh铆)浠诲嫏(w霉)鍜屽嚱鏁�(sh霉)鍖呭惈鍦ㄥ(sh铆)鏅�(sh铆)妯″main鈥攑rogram锛巓涓�銆傞€氶亷绶▄t}锛廵tc锛弐c锛巗ysinit鏂囦欢锛屽湪绯荤当(t菕ng)鍟熷嫊(d貌ng)鏅�(sh铆)鍔犺級鍒癓inux鍏�(n猫i)鏍镐腑銆傜暥(d膩ng)瀵�(sh铆)鏅�(sh铆)妯″鍔犲叆鍒板収(n猫i)鏍镐腑銆傚(sh铆)鏅�(sh铆)妯″涓壍(chu脿ng)寤虹殑绶氱▼鍜屽嚱鏁�(sh霉)灏卞彲浠ヨí鍟忕郴绲�(t菕ng)鐨勫簳灞よ硣婧�銆�

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