Ñòðóêòóðà DCB

Ïîñêîëüêó îñíîâíóþ èíôîðìàöèþ ñîäåðæèò ñòðóêòóðà DCB, ñ åå îïèñàíèÿ è íà÷íåì:

   typedef struct _DCB {{

       DWORD DCBlength;            // sizeof(DCB)

       DWORD BaudRate;             // current baud rate

       DWORD fBinary:1;            // binary mode, no EOF check

       DWORD fParity:1;            // enable parity checking

       DWORD fOutxCtsFlow:1;       // CTS output flow control

       DWORD fOutxDsrFlow:1;       // DSR output flow control

       DWORD fDtrControl:2;        // DTR flow control type

       DWORD fDsrSensitivity:1;    // DSR sensitivity

       DWORD fTXContinueOnXoff:1;  // XOFF continues Tx

       DWORD fOutX:1;              // XON/XOFF out flow control

       DWORD fInX:1;               // XON/XOFF in flow control

       DWORD fErrorChar:1;         // enable error replacement

       DWORD fNull:1;              // enable null stripping

       DWORD fRtsControl:2;        // RTS flow control

       DWORD fAbortOnError:1;      // abort reads/writes on error

       DWORD fDummy2:17;           // reserved

       WORD  wReserved;            // not currently used

       WORD  XonLim;               // transmit XON threshold

       WORD  XoffLim;              // transmit XOFF threshold

       BYTE  ByteSize;             // number of bits/byte, 4-8

       BYTE  Parity;               // 0-4=no,odd,even,mark,space

       BYTE  StopBits;             // 0,1,2 = 1, 1.5, 2

       char  XonChar;              // Tx and Rx XON character

       char  XoffChar;             // Tx and Rx XOFF character

       char  ErrorChar;            // error replacement character

       char  EofChar;              // end of input character

       char  EvtChar;              // received event character

       WORD  wReserved1;           // reserved; do not use

   } DCB;

Åñëè âíèìàòåëüíî ïðèñìîòðåòüñÿ, òî ìîæíî çàìåòèòü, ÷òî ýòà ñòðóêòóðà ñîäåðæèò ïî÷òè âñþ óïðàâëÿþùóþ èíôîðìàöèþ, êîòîðàÿ â ðåàëüíîñòè ðàñïîëàãàåòñÿ â ðàçëè÷íûõ ðåãèñòðàõ ïîñëåäîâàòåëüíîãî ïîðòà.

Ñîäåðæàíèå  Íàçàä  Âïåðåä

---

---

---

---