Source code of Windows XP (NT5)
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141 lines
2.2 KiB

/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
com.hxx
Abstract:
Header specific to COM
Author:
Ramon Juan San Andres (ramonsa) 26-Jun-1991
Revision History:
--*/
#include "comm.hxx"
#include "string.hxx"
//
// Registry key with the names of the serial ports
//
#define COMM_KEY_NAME "HARDWARE\\DEVICEMAP\\SERIALCOMM"
//
// Data for request type REQUEST_TYPE_COM_SET
//
typedef struct _REQUEST_DATA_COM_SET {
//
// These flags tell what options to set
//
BOOLEAN SetBaud;
BOOLEAN SetDataBits;
BOOLEAN SetStopBits;
BOOLEAN SetParity;
BOOLEAN SetRetry;
BOOLEAN SetTimeOut;
BOOLEAN SetXon;
BOOLEAN SetOdsr;
BOOLEAN SetIdsr;
BOOLEAN SetOcts;
BOOLEAN SetDtrControl;
BOOLEAN SetRtsControl;
//
// The values
//
ULONG Baud; // Baud rate
ULONG DataBits; // Number of data bits
STOPBITS StopBits; // Number of stop bits
PARITY Parity; // Parity
WCHAR Retry; // Retry
BOOLEAN TimeOut; // TimeOut
BOOLEAN Xon; // XON/XOFF protocol enabled/disabled
BOOLEAN Odsr; // DSR Handshaking
BOOLEAN Idsr; // DSR Sensitivity
BOOLEAN Octs; // CTS Handshaking
DTR_CONTROL DtrControl; // DTR Control
RTS_CONTROL RtsControl; // RTS Control
} REQUEST_DATA_COM_SET, *PREQUEST_DATA_COM_SET;
//
// Data for requests to COM
//
typedef union _COM_REQUEST_DATA {
REQUEST_DATA_COM_SET Set;
} COM_REQUEST_DATA, *PCOM_REQUEST_DATA;
//
// Structure of a request to COM
//
typedef struct _COM_REQUEST {
REQUEST_HEADER Header; // Request Header
COM_REQUEST_DATA Data; // Request data
} COM_REQUEST, *PCOM_REQUEST;
//
// Prototypes
//
LONG
ConvertBaudRate (
IN LONG BaudIn
);
LONG
ConvertDataBits (
IN LONG DataBitsIn
);
STOPBITS
ConvertStopBits (
IN LONG StopBitsIn
);
PARITY
ConvertParity (
IN WCHAR ParityIn
);
WCHAR
ConvertRetry (
IN WCHAR RetryIn
);
DTR_CONTROL
ConvertDtrControl (
IN PCWSTRING CmdLine,
IN CHNUM IdxBegin,
IN CHNUM IdxEnd
);
RTS_CONTROL
ConvertRtsControl (
IN PCWSTRING CmdLine,
IN CHNUM IdxBegin,
IN CHNUM IdxEnd
);