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jnsnserp.h
Package: win2ksrc.rar [view]
Upload User: caisha3
Upload Date: 2013-09-21
Package Size: 208739k
Code Size: 4k
Category:
Windows Develop
Development Platform:
Visual C++
- /*++ BUILD Version: 0002 // Increment this if a change has global effects
- Module Name:
- jnsnserp.h
- Abstract:
- This header file defines the Alpha/Jensen serial port registers.
- Author:
- David N. Cutler (davec) 28-Apr-1991
- Revision History:
- 15-April-1992 John DeRosa [DEC]
- Made this file from David's MIPS version.
- --*/
- #ifndef _JNSNSERP_
- #define _JNSNSERP_
- //
- // Define serial port read registers structure.
- //
- typedef struct _SP_READ_REGISTERS {
- UCHAR ReceiveBuffer;
- UCHAR InterruptEnable;
- UCHAR InterruptId;
- UCHAR LineControl;
- UCHAR ModemControl;
- UCHAR LineStatus;
- UCHAR ModemStatus;
- UCHAR ScratchPad;
- } SP_READ_REGISTERS, *PSP_READ_REGISTERS;
- //
- // Define define serial port write registers structure.
- //
- typedef struct _SP_WRITE_REGISTERS {
- UCHAR TransmitBuffer; // also DLL
- UCHAR InterruptEnable; // also DLM
- UCHAR Reserved0;
- UCHAR LineControl;
- UCHAR ModemControl;
- UCHAR Reserved1;
- UCHAR Reserved2;
- UCHAR ScratchPad;
- } SP_WRITE_REGISTERS, *PSP_WRITE_REGISTERS;
- //
- // Define serial port interrupt enable register structure.
- //
- typedef struct _SP_INTERRUPT_ENABLE {
- UCHAR ReceiveEnable : 1;
- UCHAR TransmitEnable : 1;
- UCHAR LineStatusEnable : 1;
- UCHAR ModemStatusEnable : 1;
- UCHAR Reserved1 : 4;
- } SP_INTERRUPT_ENABLE, *PSP_INTERRUPT_ENABLE;
- //
- // Define serial port interrupt id register structure.
- //
- typedef struct _SP_INTERRUPT_ID {
- UCHAR InterruptPending : 1;
- UCHAR Identification : 2;
- UCHAR Reserved : 5;
- } SP_INTERRUPT_ID, *PSP_INTERRUPT_ID;
- //
- // Define serial port line control register structure.
- //
- typedef struct _SP_LINE_CONTROL {
- UCHAR CharacterSize : 2;
- UCHAR StopBits : 1;
- UCHAR ParityEnable : 1;
- UCHAR EvenParity : 1;
- UCHAR StickParity : 1;
- UCHAR SetBreak : 1;
- UCHAR DivisorLatch : 1;
- } SP_LINE_CONTROL, *PSP_LINE_CONTROL;
- //
- // Line status register character size definitions.
- //
- #define FIVE_BITS 0x0 // five bits per character
- #define SIX_BITS 0x1 // six bits per character
- #define SEVEN_BITS 0x2 // seven bits per character
- #define EIGHT_BITS 0x3 // eight bits per character
- //
- // Line speed divisor definition.
- //
- #define BAUD_RATE_9600 12 // divisor for 9600 baud
- #define BAUD_RATE_19200 6 // divisor for 19200 baud
- //
- // Define serial port modem control register structure.
- //
- typedef struct _SP_MODEM_CONTROL {
- UCHAR DataTerminalReady : 1;
- UCHAR RequestToSend : 1;
- UCHAR Reserved1 : 1;
- UCHAR Interrupt : 1;
- UCHAR loopBack : 1;
- UCHAR Reserved2 : 3;
- } SP_MODEM_CONTROL, *PSP_MODEM_CONTROL;
- //
- // Define serial port line status register structure.
- //
- typedef struct _SP_LINE_STATUS {
- UCHAR DataReady : 1;
- UCHAR OverrunError : 1;
- UCHAR ParityError : 1;
- UCHAR FramingError : 1;
- UCHAR BreakIndicator : 1;
- UCHAR TransmitHoldingEmpty : 1;
- UCHAR TransmitEmpty : 1;
- UCHAR Reserved0 : 1;
- } SP_LINE_STATUS, *PSP_LINE_STATUS;
- //
- // Define serial port modem status register structure.
- //
- typedef struct _SP_MODEM_STATUS {
- UCHAR DeltaClearToSend : 1;
- UCHAR DeltaDataSetReady : 1;
- UCHAR TrailingRingIndicator : 1;
- UCHAR DeltaReceiveDetect : 1;
- UCHAR ClearToSend : 1;
- UCHAR DataSetReady : 1;
- UCHAR RingIndicator : 1;
- UCHAR ReceiveDetect : 1;
- } SP_MODEM_STATUS, *PSP_MODEM_STATUS;
- #endif // _JNSNSERP_