530 lines
20 KiB
C
530 lines
20 KiB
C
/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1990-1993 Microsoft Corporation
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Module Name:
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ntddser.h
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Abstract:
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This is the include file that defines all constants and types for
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accessing the Serial device.
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Author:
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Steve Wood (stevewo) 27-May-1990
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Revision History:
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--*/
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//
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// NtDeviceIoControlFile IoControlCode values for this device.
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//
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#define IOCTL_SERIAL_SET_BAUD_RATE CTL_CODE(FILE_DEVICE_SERIAL_PORT, 1,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_QUEUE_SIZE CTL_CODE(FILE_DEVICE_SERIAL_PORT, 2,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_LINE_CONTROL CTL_CODE(FILE_DEVICE_SERIAL_PORT, 3,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_BREAK_ON CTL_CODE(FILE_DEVICE_SERIAL_PORT, 4,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_BREAK_OFF CTL_CODE(FILE_DEVICE_SERIAL_PORT, 5,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_IMMEDIATE_CHAR CTL_CODE(FILE_DEVICE_SERIAL_PORT, 6,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_TIMEOUTS CTL_CODE(FILE_DEVICE_SERIAL_PORT, 7,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_TIMEOUTS CTL_CODE(FILE_DEVICE_SERIAL_PORT, 8,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_DTR CTL_CODE(FILE_DEVICE_SERIAL_PORT, 9,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_CLR_DTR CTL_CODE(FILE_DEVICE_SERIAL_PORT,10,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_RESET_DEVICE CTL_CODE(FILE_DEVICE_SERIAL_PORT,11,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_RTS CTL_CODE(FILE_DEVICE_SERIAL_PORT,12,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_CLR_RTS CTL_CODE(FILE_DEVICE_SERIAL_PORT,13,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_XOFF CTL_CODE(FILE_DEVICE_SERIAL_PORT,14,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_XON CTL_CODE(FILE_DEVICE_SERIAL_PORT,15,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_WAIT_MASK CTL_CODE(FILE_DEVICE_SERIAL_PORT,16,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_WAIT_MASK CTL_CODE(FILE_DEVICE_SERIAL_PORT,17,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_WAIT_ON_MASK CTL_CODE(FILE_DEVICE_SERIAL_PORT,18,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_PURGE CTL_CODE(FILE_DEVICE_SERIAL_PORT,19,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_BAUD_RATE CTL_CODE(FILE_DEVICE_SERIAL_PORT,20,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_LINE_CONTROL CTL_CODE(FILE_DEVICE_SERIAL_PORT,21,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_CHARS CTL_CODE(FILE_DEVICE_SERIAL_PORT,22,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_CHARS CTL_CODE(FILE_DEVICE_SERIAL_PORT,23,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_HANDFLOW CTL_CODE(FILE_DEVICE_SERIAL_PORT,24,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_HANDFLOW CTL_CODE(FILE_DEVICE_SERIAL_PORT,25,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_MODEMSTATUS CTL_CODE(FILE_DEVICE_SERIAL_PORT,26,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_COMMSTATUS CTL_CODE(FILE_DEVICE_SERIAL_PORT,27,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_XOFF_COUNTER CTL_CODE(FILE_DEVICE_SERIAL_PORT,28,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_PROPERTIES CTL_CODE(FILE_DEVICE_SERIAL_PORT,29,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_DTRRTS CTL_CODE(FILE_DEVICE_SERIAL_PORT,30,METHOD_BUFFERED,FILE_ANY_ACCESS)
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// begin_winioctl
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#define IOCTL_SERIAL_LSRMST_INSERT CTL_CODE(FILE_DEVICE_SERIAL_PORT,31,METHOD_BUFFERED,FILE_ANY_ACCESS)
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// end_winioctl
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#define IOCTL_SERIAL_CONFIG_SIZE CTL_CODE(FILE_DEVICE_SERIAL_PORT,32,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_COMMCONFIG CTL_CODE(FILE_DEVICE_SERIAL_PORT,33,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_SET_COMMCONFIG CTL_CODE(FILE_DEVICE_SERIAL_PORT,34,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_GET_STATS CTL_CODE(FILE_DEVICE_SERIAL_PORT,35,METHOD_BUFFERED,FILE_ANY_ACCESS)
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#define IOCTL_SERIAL_CLEAR_STATS CTL_CODE(FILE_DEVICE_SERIAL_PORT,36,METHOD_BUFFERED,FILE_ANY_ACCESS)
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typedef struct _SERIALPERF_STATS {
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ULONG ReceivedCount;
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ULONG TransmittedCount;
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ULONG FrameErrorCount;
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ULONG SerialOverrunErrorCount;
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ULONG BufferOverrunErrorCount;
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ULONG ParityErrorCount;
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} SERIALPERF_STATS, *PSERIALPERF_STATS;
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typedef struct _SERIALCONFIG {
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ULONG Size;
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USHORT Version;
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ULONG SubType;
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ULONG ProvOffset;
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ULONG ProviderSize;
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WCHAR ProviderData[1];
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} SERIALCONFIG,*PSERIALCONFIG;
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//
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// NtDeviceIoControlFile InputBuffer/OutputBuffer record structures for
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// this device.
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//
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//
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// This structure used to set line parameters.
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//
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typedef struct _SERIAL_LINE_CONTROL {
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UCHAR StopBits;
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UCHAR Parity;
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UCHAR WordLength;
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} SERIAL_LINE_CONTROL,*PSERIAL_LINE_CONTROL;
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typedef struct _SERIAL_TIMEOUTS {
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ULONG ReadIntervalTimeout;
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ULONG ReadTotalTimeoutMultiplier;
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ULONG ReadTotalTimeoutConstant;
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ULONG WriteTotalTimeoutMultiplier;
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ULONG WriteTotalTimeoutConstant;
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} SERIAL_TIMEOUTS,*PSERIAL_TIMEOUTS;
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//
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// This structure used to resize the input/output buffers.
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// An error code will be returned if the size exceeds the
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// drivers capacity. The driver reserves the right to
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// allocate a larger buffer.
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//
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typedef struct _SERIAL_QUEUE_SIZE {
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ULONG InSize;
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ULONG OutSize;
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} SERIAL_QUEUE_SIZE,*PSERIAL_QUEUE_SIZE;
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//
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// This structure used by set baud rate
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//
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typedef struct _SERIAL_BAUD_RATE {
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ULONG BaudRate;
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} SERIAL_BAUD_RATE,*PSERIAL_BAUD_RATE;
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//
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// Defines the bitmask that the driver can used to notify
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// app of various changes in the state of the UART.
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//
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#define SERIAL_EV_RXCHAR 0x0001 // Any Character received
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#define SERIAL_EV_RXFLAG 0x0002 // Received certain character
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#define SERIAL_EV_TXEMPTY 0x0004 // Transmitt Queue Empty
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#define SERIAL_EV_CTS 0x0008 // CTS changed state
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#define SERIAL_EV_DSR 0x0010 // DSR changed state
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#define SERIAL_EV_RLSD 0x0020 // RLSD changed state
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#define SERIAL_EV_BREAK 0x0040 // BREAK received
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#define SERIAL_EV_ERR 0x0080 // Line status error occurred
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#define SERIAL_EV_RING 0x0100 // Ring signal detected
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#define SERIAL_EV_PERR 0x0200 // Printer error occured
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#define SERIAL_EV_RX80FULL 0x0400 // Receive buffer is 80 percent full
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#define SERIAL_EV_EVENT1 0x0800 // Provider specific event 1
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#define SERIAL_EV_EVENT2 0x1000 // Provider specific event 2
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//
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// A longword is used to send down a mask that
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// instructs the driver what to purge.
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//
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// SERIAL_PURGE_TXABORT - Implies the current and all pending writes.
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// SERIAL_PURGE_RXABORT - Implies the current and all pending reads.
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// SERIAL_PURGE_TXCLEAR - Implies the transmit buffer if exists
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// SERIAL_PURGE_RXCLEAR - Implies the receive buffer if exists.
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//
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#define SERIAL_PURGE_TXABORT 0x00000001
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#define SERIAL_PURGE_RXABORT 0x00000002
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#define SERIAL_PURGE_TXCLEAR 0x00000004
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#define SERIAL_PURGE_RXCLEAR 0x00000008
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//
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// Communication defines
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//
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#define STOP_BIT_1 0
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#define STOP_BITS_1_5 1
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#define STOP_BITS_2 2
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#define NO_PARITY 0
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#define ODD_PARITY 1
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#define EVEN_PARITY 2
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#define MARK_PARITY 3
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#define SPACE_PARITY 4
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//
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// This structure is used to set and retrieve the special characters
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// used by the nt serial driver.
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//
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// Note that the driver will return an error if xonchar == xoffchar.
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//
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typedef struct _SERIAL_CHARS {
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UCHAR EofChar;
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UCHAR ErrorChar;
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UCHAR BreakChar;
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UCHAR EventChar;
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UCHAR XonChar;
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UCHAR XoffChar;
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} SERIAL_CHARS,*PSERIAL_CHARS;
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//
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// This structure is used to contain the flow control
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// and handshaking setup.
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//
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// A reasonably precise explaination of how they all
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// work can be found in the OS/2 tech references.
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//
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// For Xon/Xofflimit:
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//
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// When there are more characters then
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//
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// (typeaheadbuffersize - xofflimit)
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//
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// in the typeahead buffer then the driver will perform all flow
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// control that the app has enabled so that the sender will (hopefully)
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// stop sending characters.
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//
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// When there are less than xonlimit number of characters in the
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// typeahead buffer the driver will perform all flow control that
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// the app has enabled so that the sender will hopefully start sending
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// characters again.
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//
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// It should be noted that if Xoff character is sent then the
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// driver will also stop transmitting any more characters. This is to
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// provide support for those systems that take any character that
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// follows an Xoff as an implied Xon.
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//
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typedef struct _SERIAL_HANDFLOW {
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ULONG ControlHandShake;
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ULONG FlowReplace;
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LONG XonLimit;
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LONG XoffLimit;
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} SERIAL_HANDFLOW,*PSERIAL_HANDFLOW;
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#define SERIAL_DTR_MASK ((ULONG)0x03)
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#define SERIAL_DTR_CONTROL ((ULONG)0x01)
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#define SERIAL_DTR_HANDSHAKE ((ULONG)0x02)
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#define SERIAL_CTS_HANDSHAKE ((ULONG)0x08)
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#define SERIAL_DSR_HANDSHAKE ((ULONG)0x10)
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#define SERIAL_DCD_HANDSHAKE ((ULONG)0x20)
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#define SERIAL_OUT_HANDSHAKEMASK ((ULONG)0x38)
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#define SERIAL_DSR_SENSITIVITY ((ULONG)0x40)
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#define SERIAL_ERROR_ABORT ((ULONG)0x80000000)
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#define SERIAL_CONTROL_INVALID ((ULONG)0x7fffff84)
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#define SERIAL_AUTO_TRANSMIT ((ULONG)0x01)
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#define SERIAL_AUTO_RECEIVE ((ULONG)0x02)
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#define SERIAL_ERROR_CHAR ((ULONG)0x04)
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#define SERIAL_NULL_STRIPPING ((ULONG)0x08)
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#define SERIAL_BREAK_CHAR ((ULONG)0x10)
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#define SERIAL_RTS_MASK ((ULONG)0xc0)
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#define SERIAL_RTS_CONTROL ((ULONG)0x40)
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#define SERIAL_RTS_HANDSHAKE ((ULONG)0x80)
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#define SERIAL_TRANSMIT_TOGGLE ((ULONG)0xc0)
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#define SERIAL_XOFF_CONTINUE ((ULONG)0x80000000)
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#define SERIAL_FLOW_INVALID ((ULONG)0x7fffff20)
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//
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// These are the following reasons that the device could be holding.
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//
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#define SERIAL_TX_WAITING_FOR_CTS ((ULONG)0x00000001)
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#define SERIAL_TX_WAITING_FOR_DSR ((ULONG)0x00000002)
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#define SERIAL_TX_WAITING_FOR_DCD ((ULONG)0x00000004)
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#define SERIAL_TX_WAITING_FOR_XON ((ULONG)0x00000008)
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#define SERIAL_TX_WAITING_XOFF_SENT ((ULONG)0x00000010)
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#define SERIAL_TX_WAITING_ON_BREAK ((ULONG)0x00000020)
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#define SERIAL_RX_WAITING_FOR_DSR ((ULONG)0x00000040)
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//
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// These are the error values that can be returned by the
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// driver.
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//
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#define SERIAL_ERROR_BREAK ((ULONG)0x00000001)
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#define SERIAL_ERROR_FRAMING ((ULONG)0x00000002)
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#define SERIAL_ERROR_OVERRUN ((ULONG)0x00000004)
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#define SERIAL_ERROR_QUEUEOVERRUN ((ULONG)0x00000008)
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#define SERIAL_ERROR_PARITY ((ULONG)0x00000010)
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//
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// This structure is used to get the current error and
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// general status of the driver.
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//
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typedef struct _SERIAL_STATUS {
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ULONG Errors;
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ULONG HoldReasons;
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ULONG AmountInInQueue;
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ULONG AmountInOutQueue;
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BOOLEAN EofReceived;
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BOOLEAN WaitForImmediate;
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} SERIAL_STATUS,*PSERIAL_STATUS;
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//
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// This structure is used for XOFF counter ioctl. The xoff ioctl
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// is used to support those subsystems that feel the need to emulate
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// the serial chip in software.
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//
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// It has the following semantics:
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//
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// This io request is placed into the normal device write
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// queue. That is, it will be queued behind any writes
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// already given to the driver.
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//
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// When this request becomes the current request, the character
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// specified in the field XoffChar will be sent, subject to
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// all other flow control already defined.
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//
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// Immediately upon sending the character the driver will
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// perform the following actions.
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//
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// A timer will be initiated that will expire after the
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// number of milliseconds in the Timeout field of the
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// SERIAL_XOFF_COUNTER structure.
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//
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// The driver will initialize a counter to the value specified
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// in the Counter field of the SERIAL_XOFF_RECORD. The driver
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// will decrement this counter whenever a character is received.
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//
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// This request will then be held by the driver. It will
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// actually complete under the following circumstances:
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//
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// 1) If there is another "write" request behind it in the queue.
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// The "xoff" request will be completed with the informational status
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// STATUS_SERIAL_MORE_WRITES. The Information field of the
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// IOSTATUS block will be set to 0.
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//
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// Note: By write request we mean another SERIAL_XOFF_COUNTER
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// request, or a simple write request. If the only subsequent
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// request is a flush request, the driver WILL NOT automatically
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// complete the SERIAL_XOFF_COUNTER request. NOTE: Transmit
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// immediate requests DO NOT count as a normal write, and therefore
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// would not cause a counter request to complete.
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//
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// 2) The timer expires. The driver will complete the request
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// with the informational status STATUS_SERIAL_COUNTER_TIMEOUT.
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// The Information field of the IOSTATUS of the request will be set to 0.
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//
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// 3) The driver maintained counter goes to zero. (By implication,
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// at least "Counter" number of characters have been received.)
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// The request will be completed with a successful status
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// of STATUS_SUCCESS. The Information field of the
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// IOSTATUS of the request will be set to 0.
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//
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// 4) This is really a degenerate case of "1" above. The request
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// is started and no request follow it on the queue. However
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// at some point, before "2" or "3" above occur, another "write"
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// request is started. This will cause the completion actions
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// stated in "1" to occur.
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//
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// NOTE: This request being issued WILL NOT cause the normal flow
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// control code of the driver to be invoked.
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//
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// NOTE: This request has no interaction with the IOCTL_SERIAL_WAIT_ON_MASK
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// request. An application CAN NOT wait via the above ^^^^^^ ioctl
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// on the counter going to zero. The application must synchronize
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// with the particular IOCTL_SERIAL_XOFF_COUNTER request.
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//
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// NOTE: The Timeout value equal to zero would cause the counter
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// to NEVER timeout. The only way that such a request could
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// be killed at that point would be issue another write, or
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// to purge the WRITE queue.
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//
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typedef struct _SERIAL_XOFF_COUNTER {
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ULONG Timeout; // Zero based. In milliseconds
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LONG Counter; // Must be greater than zero.
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UCHAR XoffChar;
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} SERIAL_XOFF_COUNTER,*PSERIAL_XOFF_COUNTER;
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//
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// The following structure (and defines) are passed back by
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// the serial driver in response to the get properties ioctl.
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//
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#define SERIAL_SP_SERIALCOMM ((ULONG)0x00000001)
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//
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// Provider subtypes
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//
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#define SERIAL_SP_UNSPECIFIED ((ULONG)0x00000000)
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#define SERIAL_SP_RS232 ((ULONG)0x00000001)
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#define SERIAL_SP_PARALLEL ((ULONG)0x00000002)
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#define SERIAL_SP_RS422 ((ULONG)0x00000003)
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#define SERIAL_SP_RS423 ((ULONG)0x00000004)
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#define SERIAL_SP_RS449 ((ULONG)0x00000005)
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#define SERIAL_SP_MODEM ((ULONG)0X00000006)
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#define SERIAL_SP_FAX ((ULONG)0x00000021)
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#define SERIAL_SP_SCANNER ((ULONG)0x00000022)
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#define SERIAL_SP_BRIDGE ((ULONG)0x00000100)
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#define SERIAL_SP_LAT ((ULONG)0x00000101)
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#define SERIAL_SP_TELNET ((ULONG)0x00000102)
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#define SERIAL_SP_X25 ((ULONG)0x00000103)
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//
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// Provider capabilities flags.
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//
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#define SERIAL_PCF_DTRDSR ((ULONG)0x0001)
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#define SERIAL_PCF_RTSCTS ((ULONG)0x0002)
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#define SERIAL_PCF_CD ((ULONG)0x0004)
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#define SERIAL_PCF_PARITY_CHECK ((ULONG)0x0008)
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#define SERIAL_PCF_XONXOFF ((ULONG)0x0010)
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#define SERIAL_PCF_SETXCHAR ((ULONG)0x0020)
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#define SERIAL_PCF_TOTALTIMEOUTS ((ULONG)0x0040)
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#define SERIAL_PCF_INTTIMEOUTS ((ULONG)0x0080)
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#define SERIAL_PCF_SPECIALCHARS ((ULONG)0x0100)
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#define SERIAL_PCF_16BITMODE ((ULONG)0x0200)
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//
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// Comm provider settable parameters.
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//
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#define SERIAL_SP_PARITY ((ULONG)0x0001)
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#define SERIAL_SP_BAUD ((ULONG)0x0002)
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#define SERIAL_SP_DATABITS ((ULONG)0x0004)
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#define SERIAL_SP_STOPBITS ((ULONG)0x0008)
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#define SERIAL_SP_HANDSHAKING ((ULONG)0x0010)
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#define SERIAL_SP_PARITY_CHECK ((ULONG)0x0020)
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#define SERIAL_SP_CARRIER_DETECT ((ULONG)0x0040)
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//
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// Settable baud rates in the provider.
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//
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#define SERIAL_BAUD_075 ((ULONG)0x00000001)
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#define SERIAL_BAUD_110 ((ULONG)0x00000002)
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#define SERIAL_BAUD_134_5 ((ULONG)0x00000004)
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#define SERIAL_BAUD_150 ((ULONG)0x00000008)
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#define SERIAL_BAUD_300 ((ULONG)0x00000010)
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#define SERIAL_BAUD_600 ((ULONG)0x00000020)
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#define SERIAL_BAUD_1200 ((ULONG)0x00000040)
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#define SERIAL_BAUD_1800 ((ULONG)0x00000080)
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#define SERIAL_BAUD_2400 ((ULONG)0x00000100)
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#define SERIAL_BAUD_4800 ((ULONG)0x00000200)
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#define SERIAL_BAUD_7200 ((ULONG)0x00000400)
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#define SERIAL_BAUD_9600 ((ULONG)0x00000800)
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#define SERIAL_BAUD_14400 ((ULONG)0x00001000)
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#define SERIAL_BAUD_19200 ((ULONG)0x00002000)
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#define SERIAL_BAUD_38400 ((ULONG)0x00004000)
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#define SERIAL_BAUD_56K ((ULONG)0x00008000)
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#define SERIAL_BAUD_128K ((ULONG)0x00010000)
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#define SERIAL_BAUD_115200 ((ULONG)0x00020000)
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#define SERIAL_BAUD_57600 ((ULONG)0x00040000)
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#define SERIAL_BAUD_USER ((ULONG)0x10000000)
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//
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// Settable Data Bits
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//
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#define SERIAL_DATABITS_5 ((USHORT)0x0001)
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#define SERIAL_DATABITS_6 ((USHORT)0x0002)
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#define SERIAL_DATABITS_7 ((USHORT)0x0004)
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#define SERIAL_DATABITS_8 ((USHORT)0x0008)
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#define SERIAL_DATABITS_16 ((USHORT)0x0010)
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#define SERIAL_DATABITS_16X ((USHORT)0x0020)
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//
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// Settable Stop and Parity bits.
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//
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#define SERIAL_STOPBITS_10 ((USHORT)0x0001)
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#define SERIAL_STOPBITS_15 ((USHORT)0x0002)
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#define SERIAL_STOPBITS_20 ((USHORT)0x0004)
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#define SERIAL_PARITY_NONE ((USHORT)0x0100)
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#define SERIAL_PARITY_ODD ((USHORT)0x0200)
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#define SERIAL_PARITY_EVEN ((USHORT)0x0400)
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#define SERIAL_PARITY_MARK ((USHORT)0x0800)
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#define SERIAL_PARITY_SPACE ((USHORT)0x1000)
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typedef struct _SERIAL_COMMPROP {
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USHORT PacketLength;
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USHORT PacketVersion;
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ULONG ServiceMask;
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ULONG Reserved1;
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ULONG MaxTxQueue;
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ULONG MaxRxQueue;
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ULONG MaxBaud;
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ULONG ProvSubType;
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ULONG ProvCapabilities;
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ULONG SettableParams;
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ULONG SettableBaud;
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USHORT SettableData;
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USHORT SettableStopParity;
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ULONG CurrentTxQueue;
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ULONG CurrentRxQueue;
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ULONG ProvSpec1;
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ULONG ProvSpec2;
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WCHAR ProvChar[1];
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} SERIAL_COMMPROP,*PSERIAL_COMMPROP;
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//
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|
// Define masks for the rs-232 input and output.
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//
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#define SERIAL_DTR_STATE ((ULONG)0x00000001)
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#define SERIAL_RTS_STATE ((ULONG)0x00000002)
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#define SERIAL_CTS_STATE ((ULONG)0x00000010)
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#define SERIAL_DSR_STATE ((ULONG)0x00000020)
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#define SERIAL_RI_STATE ((ULONG)0x00000040)
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#define SERIAL_DCD_STATE ((ULONG)0x00000080)
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|
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// begin_winioctl
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//
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|
// The following values follow the escape designator in the
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// data stream if the LSRMST_INSERT mode has been turned on.
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//
|
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#define SERIAL_LSRMST_ESCAPE ((UCHAR)0x00)
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|
|
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//
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|
// Following this value is the contents of the line status
|
|
// register, and then the character in the RX hardware when
|
|
// the line status register was encountered.
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|
//
|
|
#define SERIAL_LSRMST_LSR_DATA ((UCHAR)0x01)
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|
|
|
//
|
|
// Following this value is the contents of the line status
|
|
// register. No error character follows
|
|
//
|
|
#define SERIAL_LSRMST_LSR_NODATA ((UCHAR)0x02)
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|
|
|
//
|
|
// Following this value is the contents of the modem status
|
|
// register.
|
|
//
|
|
#define SERIAL_LSRMST_MST ((UCHAR)0x03)
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|
|
|
// end_winioctl
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