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2 涓茶閫氫俊璁捐
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3 QT鍥惧舰鐣岄潰鐨勮璁?br /> 3锛? QT锛廍mbedded
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璁捐涓插彛閰嶇疆鐨勭晫闈㈡椂锛岄鍏堝畾涔夌粨鏋勪綋serial config锛屽叿浣撳涓嬶細

鍦ㄨ缃ソ涓插彛鍙傛暟鍚庯紝鐐瑰嚮‘Connet’鍚庡彂閫佹帶浠禥PushButton淇″彿clicked()锛岃皟鐢ㄨ嚜瀹氫箟妲藉嚱鏁皊etup_serial()锛屽疄鐜板QT鎺т欢涓悇涓弬鏁扮殑璇诲彇锛屽苟鏍规嵁鍙傛暟閰嶇疆瀵瑰簲鐨勪覆鍙ｃ€傚叾涓紝鐢辨帶浠秔ortNameComboBox鐨勬垚鍛樺嚱鏁癱urrentText()鑾峰緱璁剧疆鐨勪覆鍙ｅ彿锛岀敱姝よ鍙栦覆鍙ｅ悕绉帮紝骞惰祴鍊肩粰灞炴€erial锛巇ev銆傝缃覆鍙ｅ悕绉颁唬鐮佹濡備笅锛?/p>

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鍏朵腑锛屼娇鐢╫pen鍑芥暟鎵撳紑涓插彛锛岃幏寰椾覆鍙ｈ澶囨枃浠剁殑鏂囦欢鎻忚堪绗d_serial銆?br /> 妲藉嚱鏁皊etup_serial()涓紝瀹屾垚鍙傛暟璇诲彇骞舵墦寮€涓插彛鎿嶄綔鍚庯紝閫氳繃璋冪敤鑷畾涔夌殑瀛愬嚱鏁皊et baudrate(int)鐢ㄦ潵璁剧疆娉㈢壒鐜囷紝鑰屽瓙鍑芥暟set Parms(int)鍒欐槸璁剧疆鍏朵粬鍙傛暟銆傚叾涓富瑕佷娇鐢ㄤ簡閽堝Linux涓插彛閫氫俊鐨則ermios鏁版嵁缁撴瀯瀵逛覆鍙ｈ繘琛岄厤缃€傜敱浜庝娇鐢ㄤ覆鍙ｅ鐢垫満杩涜璇诲彇鎴栨帶鍒讹紝涓嶅厑璁哥瓑寰咃紝鎵€浠ュ浜庢墦寮€鐨勪换浣曚覆鍙ｏ紝閮介渶瑕佸皢鍏惰缃负闈為樆濉炲伐浣滄柟寮忋€傜▼搴忎腑閫氳繃fcntl(fd serial锛孎_SETFL锛孫_NONBLOCK)瀹炵幇鎶奓inux涓嬮粯璁や负闃诲璇荤殑缂撳啿璁剧疆涓洪潪闃诲璇汇€?/p>

璁捐鐢垫満鐘舵€佽鍙栭儴鍒嗘椂锛岄鍏堝畾涔変簡缁撴瀯浣搈otor_status锛?/p>

褰撶數鏈哄浜庢甯稿伐浣滅姸鎬佹椂锛岀偣鍑荤晫闈笂‘Receive’锛岃嚜瀹氫箟鐨勬Ы鍑芥暟receive data()浼氬搷搴旓紝瀹炵幇瀵圭數鏈虹姸鎬佺殑璇诲彇銆傚埗瀹氱殑DSP鍙嶉缁橝RM9鐨勬暟鎹寘鐨勬牸寮忓琛?鎵€绀猴紝鏁版嵁鏍煎紡澶у皬涓?6浣嶇殑char鍨嬫暟缁勩€傚湪妲藉嚱鏁颁腑锛屼娇鐢╮ead(fd_serial锛宐uff16)鍑芥暟閫氳繃涓插彛璇诲彇杩?6浣嶅甫鏈夌數鏈虹姸鎬佷俊鎭殑鏁版嵁锛屽苟璧嬪€肩粰鏁扮粍buff[]銆?/p>

灏嗗瓧绗︽暟缁刡uff[]鍚勪釜瀛楁浼犻€掔粰瀵瑰簲motor_status灞炴€э紝骞跺垎鍒彂閫佽嚜瀹氫箟淇″彿銆傜敤浜庢樉绀虹數鏈虹姸鎬佺殑鎺т欢QLabel鏄疩Widget鐨勫瓙绫伙紝鍏舵Ы鍑芥暟setText(QString)鎺ユ敹淇″彿骞跺皢鍏舵樉绀恒€傛瘮濡傦紝鏄剧ず鐢垫満杞€熺姸鎬佺殑杩囩▼鏄細鍙戝皠鑷畾涔変俊鍙穝peed_changed(QString)锛岃Е鍙慟L-abel绫诲瀷鎺т欢label_DiskSpced_value鐨勬Ы鍑芥暟setText(OString)锛屽皢褰撳墠鐢垫満杞€熸樉绀哄湪鐣岄潰涓娿€傝淇″彿鍜屾Ы鍑芥暟杩炴帴鐨勮鍙ヤ负connect(this,SIGNAL(speed_changed(Qstring))锛寀i->label DiskSpeed value锛孲LOT(setText(QString))锛屽疄鐜颁簡鐢垫満杞€熺殑鏁版嵁鏄剧ず銆?br /> 3锛? 鐢垫満鎺у埗鐣岄潰
鐢垫満鎺у埗鐣岄潰鎻愪緵浜嗗鐢垫満鎺у埗鎸囦护鐨勯厤缃紝鐢垫満鎺у埗鐣岄潰濡備笅鍥?鎵€绀恒€?/p>

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