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/******************************************************************************
*
* Copyright (c) 1994-1999 Palm Computing, Inc. or its subsidiaries.
* All rights reserved.
*
* File: SerialLinkPrv.h
*
* Description:
* Private Serial Link includes
*
* History:
* 2/6/95 replaces DSerial.h from Debugger
*
*****************************************************************************/
#ifdef NON_PORTABLE
#ifndef __SERIALLINKPRV_H
#define __SERIALLINKPRV_H
#include <SerialLinkMgr.h>
//*************************************************************************
// Misc Constants
//*************************************************************************
// Default timeout value once into receiving a packet in ticks
#define slkDefaultInPktTimeout (sysTicksPerSecond*2)
/*******************************************************************
* Serial Link Globals
*
*******************************************************************/
#define slkMaxSockets 6 // max # of sockets
#define slkMaxRefNums slkMaxSockets // max # of refNums in use at any one time
#define slkAnySocket 0xFF
#define slkEmptyRefNum 0xFF // used to track empty refInfos
#define slkSendBufferSize 252
// We keep an array of these (slkMaxSockets in size) to track which
// librarie's we've received packet headers for. Since we can have up
// to slkMaxSockets unique refNums in use at any one time, we must make
// the array at least that size.
typedef struct SlkRefInfoType {
UInt16 refNum; // refNum of library, or 0xFF if empty
Int8 destID; // dest socketID, or -1 if none
UInt8 padding;
} SlkRefInfoType;
typedef SlkRefInfoType *SlkRefInfoPtr;
typedef struct SlkGlobalsType {
UInt16 openCount;
UInt16 socketRefNum[slkMaxSockets];
Boolean socketOpen[slkMaxSockets];
SlkSocketListenPtr socketListenP[slkMaxSockets];
UInt16 socketTimeout[slkMaxSockets]; // inPacket timeout
// We can keep track of packets coming in for up to slkMaxRefNums libraries.
// This array holds the destination socket ID for packets received from
// each library.
SlkRefInfoType refInfo[slkMaxRefNums];
UInt8 transId; // next transaction ID
UInt8 padding;
UInt32 xmitSemaphoreID; // Semaphore ID for transmitting
UInt16 numReceived; // # of packets received since serial link
// was opened.
// New fields to buffer sends to prevent
// the header, body and checksum from being
// sent out as three distinct send requests.
Boolean socketWantsBuffering[slkMaxSockets];
UInt8 *sendBufferP; // Send buffer
UInt16 sendBufferSize; // Size of the allocated send buffer
} SlkGlobalsType;
typedef SlkGlobalsType* SlkGlobalsPtr;
#endif //__SERIALLINKPRV_H
#endif //NON_PORTABLE
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