112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/* $Id: xmodem.h,v 1.2 2001/10/25 23:56:29 efalk Exp $ */
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#include <sys/param.h>
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typedef int bool ;
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typedef enum {
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Xmodem=0,
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XmodemCrc=1,
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WXmodem=2,
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Ymodem=3,
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YmodemG=4,
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} Protocol ;
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extern bool xmodem1k ; /* 1k blocks supported */
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extern bool fileInfo ; /* ymodem: send file attributes? */
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extern Protocol protocol ;
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extern int xmTfd ; /* transmit file descriptor */
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extern int xmRfd ; /* receive file descriptor */
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extern int xmTimeout ; /* timeout, seconds */
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extern char xmDefPath[MAXPATHLEN] ; /* default location (ymodem) */
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extern char xmFilename[MAXPATHLEN] ; /* current filename */
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/* error code definitions */
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#define XmDone -1 /* done */
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#define XmErrInt -2 /* internal error */
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#define XmErrSys -3 /* system error, see errno */
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#define XmErrNotOpen -4 /* communication channel not open */
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#define XmErrCantOpen -5 /* can't open file, see errno */
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#define XmErrInitTo -10 /* transmitter failed to respond to init req. */
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#define XmErrSequence -11 /* packet received out of sequence */
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#define XmErrCancel -12 /* cancelled by remote end */
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#define XmErrRcvTo -13 /* remote end timed out during transfer */
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#ifdef __STDC__
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extern int XmodemRInit(char *path, Protocol p) ;
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/* start receive protocol */
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extern int XmodemRRcv(char c) ; /* call for each received char. */
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extern int XmodemRTimeout() ; /* call if xmTimeout expires */
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extern int XmodemRAbort() ; /* call to abort protocol */
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extern int XmodemTInit(char *path, Protocol p) ;
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/* start transmit protocol */
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extern int XmodemTRcv(char c) ; /* call for each received char. */
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extern int XmodemTTimeout() ; /* call if xmTimeout expires */
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extern int XmodemTAbort() ; /* call to abort protocol */
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extern int XmodemTFinish() ; /* call after last file sent (ymodem) */
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#else
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extern int XmodemRInit() ; /* start receive protocol */
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extern int XmodemRRcv() ; /* call for each received char. */
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extern int XmodemRTimeout() ; /* call if xmTimeout expires */
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extern int XmodemRAbort() ; /* call to abort protocol */
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extern int XmodemTInit() ; /* start transmit protocol */
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extern int XmodemTRcv() ; /* call for each received char. */
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extern int XmodemTTimeout() ; /* call if xmTimeout expires */
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extern int XmodemTAbort() ; /* call to abort protocol */
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#endif
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/* INTERNAL */
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#define SOH 1 /* ^A */
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#define STX 2 /* ^B */
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#define EOT 4 /* ^D */
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#define ACK 6 /* ^F */
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#define DLE 16 /* ^P */
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#define XON 17 /* ^Q */
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#define XOFF 19 /* ^S */
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#define NAK 21 /* ^U */
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#define SYN 22 /* ^V */
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#define CAN 24 /* ^X */
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#ifndef False
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#define False 0
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#define True 1
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#endif
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#define MAXERROR 10
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#define INITTO 10 /* initialization timeout, basic xmodem */
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#define INITTO2 3 /* initialization timeout */
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#define PKTTO 5 /* in-packet receive timeout */
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#define MAXPACKET 1024 /* max packet length */
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#ifdef __STDC__
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extern int sendCancel(), sendFlush(char),
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sendChr(char), sendStr(char *,int) ;
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extern int calcrc(char *ptr, int count) ;
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extern int calcChecksum(char *ptr, int count) ;
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#else
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extern int sendCancel(), sendFlush(), sendChr(), sendStr() ;
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extern int calcrc() ;
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extern int calcChecksum() ;
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#endif
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