pr_pc.h
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上传日期:2013-04-10
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文件大小:2k
- /*
- * Copyright (C) Eicon Technology Corporation, 2000.
- *
- * Eicon File Revision : 1.0
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
- #if !defined(PR_PC_H)
- #define PR_PC_H
- struct pr_ram {
- word NextReq; /* pointer to next Req Buffer */
- word NextRc; /* pointer to next Rc Buffer */
- word NextInd; /* pointer to next Ind Buffer */
- byte ReqInput; /* number of Req Buffers sent */
- byte ReqOutput; /* number of Req Buffers returned */
- byte ReqReserved; /* number of Req Buffers reserved */
- byte Int; /* ISDN-P interrupt */
- byte XLock; /* Lock field for arbitration */
- byte RcOutput; /* number of Rc buffers received */
- byte IndOutput; /* number of Ind buffers received */
- byte IMask; /* Interrupt Mask Flag */
- byte Reserved1[2]; /* reserved field, do not use */
- byte ReadyInt; /* request field for ready interrupt */
- byte Reserved2[12]; /* reserved field, do not use */
- byte InterfaceType; /* interface type 1=16K interface */
- word Signature; /* ISDN-P initialized indication */
- byte B[1]; /* buffer space for Req,Ind and Rc */
- };
- typedef struct {
- word next;
- byte Req;
- byte ReqId;
- byte ReqCh;
- byte Reserved1;
- word Reference;
- byte Reserved[8];
- PBUFFER XBuffer;
- } REQ;
- typedef struct {
- word next;
- byte Rc;
- byte RcId;
- byte RcCh;
- byte Reserved1;
- word Reference;
- byte Reserved2[8];
- } RC;
- typedef struct {
- word next;
- byte Ind;
- byte IndId;
- byte IndCh;
- byte MInd;
- word MLength;
- word Reference;
- byte RNR;
- byte Reserved;
- dword Ack;
- PBUFFER RBuffer;
- } IND;
- #endif