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銆€銆€m_hCom=CreateFile锛坢_sPort, GENERIC_READ | GENERIC_WRITE, 0, NULL, 銆€銆€OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,NULL锛�; 銆€銆€if锛坢_hCom==INVALID_HANDLE_VALUE锛� 銆€銆€return FALSE; 銆€銆€DCB dcb; 銆€銆€if锛�!GetCommState锛坢_hCom, &dcb锛夛級 return FALSE; 銆€銆€dcb.fBinary=TRUE; 銆€銆€dcb.BaudRate=m_nBaud; 銆€銆€dcb.ByteSize=m_nDataBits; 銆€銆€dcb.fParity=TRUE; 銆€銆€dcb.Parity=EVENPARITY; 銆€銆€dcb.StopBits=ONESTOPBIT; 銆€銆€return SetCommState锛坢_hCom, &dcb锛�; 銆€銆€鈥︹€�//浠ヤ笂鐐烘墦闁�(k膩i)骞堕厤缃覆鍙ｄ唬纰� 銆€銆€SetTimer锛�1,5000,NULL锛�; //鍟熷嫊(d貌ng)瀹氭檪(sh铆)鍣�,瀹氭檪(sh铆)闁撻殧鐐�5濡� 銆€銆€CwinThread锛妋_pThreadd=AfxBeginThread锛圕ommProc,this->GetDocument锛堬級, THREAD_PRIORITY_NORMAL, 0, CREATE_SUSPENDED, NULL锛�; // 鍓�(chu脿ng)寤哄苟鎺涜捣绶�(xi脿n)绋� 銆€銆€if锛坢_pThreadd==NULL锛� 銆€?銆�? 銆€銆€CloseHandle锛坢_hCom锛�; 銆€銆€return FALSE; 銆€?銆�? 銆€銆€else 銆€?銆�? 銆€銆€m_bConnected=TRUE; 銆€銆€m_pThreadd->ResumeThread锛堬級; // 鎭㈠京(f霉)绶�(xi脿n)绋嬮亱(y霉n)琛� 銆€銆€锝� 銆€銆€鈥︹€� 銆€?銆�? 銆€銆€UINT CommProc锛圠PVOID pParam锛夌偤杓斿姪閫氫俊绶�(xi脿n)绋�,瑭茬窔(xi脿n)绋嬪畬鎴愯ō(sh猫)瀹氬€间互鍙婂嫊(d貌ng)鎱�(t脿i)鏁�(sh霉)鎿�(j霉)鐨勮畝鍙�,鍏剁▼搴忔祦绋嬪湒濡備笅鎵€绀�: 銆€銆€void CRs422AnetView::OnTimer锛圲INT nIDEvent锛夌偤闊挎噳(y墨ng)瑷�(j矛)鏅�(sh铆)鍣ㄦ秷鎭殑鍑芥暩(sh霉)锛屽畾鏅�(sh铆)琚Ц鐧�(f膩)锛屾湰绋嬪簭涓畾鏅�(sh铆)闁撻殧鐐�5绉�銆傚湪瑭插嚱鏁�(sh霉)閲岋紝涓昏鏄仮寰�(f霉)杓斿姪閫氫俊绶�(xi脿n)绋嬩互鍙婅(di脿o)鐢ㄦ暩(sh霉)鎿�(j霉)椤ず绋嬪簭锕戝畾鏅�(sh铆)鍒锋柊鏁�(sh霉)鎿�(j霉)绛�銆� 銆€?銆�?锛� 姝峰彶绱€(j矛)閷勭€忚閫�(j矛n)绋嬭ō(sh猫)瑷�(j矛) 銆€銆€姝峰彶绱€(j矛)閷勭殑鐎忚鏄偤浜嗗皪(du矛)閬�(gu貌)鍘荤敓鐢�(ch菐n)閬�(gu貌)绋嬬殑鍥為¨锛屽彲灏囩敘(ch菐n)鍝佺殑璩�(zh矛)閲忓拰閬�(gu貌)绋嬬殑瑷�(sh猫)瀹氱祼(ji茅)鍚堣捣渚�(l谩i)閫�(j矛n)琛屽垎鏋�锛屽皪(du矛)浠ュ悗鐨勭敓鐢�(ch菐n)鎻愪緵鍙冭€�锛屼互渚胯兘鎻愰珮鐢�(ch菐n)鍝佺殑鐢熺敘(ch菐n)璩�(zh矛)閲�銆傞€欏€�(g猫)閫�(j矛n)绋嬫彁渚涗簡涓€瀹氱殑鏌ヨ(x煤n)鍔熻兘锛岃兘灏囨鍙茬磤(j矛)閷勭敤鏇茬窔(xi脿n)鐨勬柟寮忓洖鏀惧嚭渚�(l谩i)锛岃兘灏囬噸瑕佺殑閬�(gu貌)绋嬮帠瀹氫笅渚�(l谩i)锛屼篃鑳藉埅闄ら亷(gu貌)绋嬬磤(j矛)閷�銆� 浜�. 绲�(ji茅)鏉熻獮(y菙) 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