Annotation of embedaddon/lrzsz/src/zmodem.h, revision 1.1.1.1
1.1 misho 1: /* zmodem.h - ZMODEM protocol constants
2:
3: Copyright (C) until 1998 Chuck Forsberg (OMEN Technology Inc)
4: Copyright (C) 1996, 1997 Uwe Ohse
5:
6: This program is free software; you can redistribute it and/or modify
7: it under the terms of the GNU General Public License as published by
8: the Free Software Foundation; either version 2, or (at your option)
9: any later version.
10:
11: This program is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU General Public License for more details.
15:
16: You should have received a copy of the GNU General Public License
17: along with this program; if not, write to the Free Software
18: Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19: 02111-1307, USA.
20:
21: * 05-23-87 Chuck Forsberg Omen Technology Inc
22: */
23: #define ZPAD '*' /* 052 Padding character begins frames */
24: #define ZDLE 030 /* Ctrl-X Zmodem escape - `ala BISYNC DLE */
25: #define ZDLEE (ZDLE^0100) /* Escaped ZDLE as transmitted */
26: #define ZBIN 'A' /* Binary frame indicator */
27: #define ZHEX 'B' /* HEX frame indicator */
28: #define ZBIN32 'C' /* Binary frame with 32 bit FCS */
29:
30: /* Frame types (see array "frametypes" in zm.c) */
31: #define ZRQINIT 0 /* Request receive init */
32: #define ZRINIT 1 /* Receive init */
33: #define ZSINIT 2 /* Send init sequence (optional) */
34: #define ZACK 3 /* ACK to above */
35: #define ZFILE 4 /* File name from sender */
36: #define ZSKIP 5 /* To sender: skip this file */
37: #define ZNAK 6 /* Last packet was garbled */
38: #define ZABORT 7 /* Abort batch transfers */
39: #define ZFIN 8 /* Finish session */
40: #define ZRPOS 9 /* Resume data trans at this position */
41: #define ZDATA 10 /* Data packet(s) follow */
42: #define ZEOF 11 /* End of file */
43: #define ZFERR 12 /* Fatal Read or Write error Detected */
44: #define ZCRC 13 /* Request for file CRC and response */
45: #define ZCHALLENGE 14 /* Receiver's Challenge */
46: #define ZCOMPL 15 /* Request is complete */
47: #define ZCAN 16 /* Other end canned session with CAN*5 */
48: #define ZFREECNT 17 /* Request for free bytes on filesystem */
49: #define ZCOMMAND 18 /* Command from sending program */
50: #define ZSTDERR 19 /* Output to standard error, data follows */
51:
52: /* ZDLE sequences */
53: #define ZCRCE 'h' /* CRC next, frame ends, header packet follows */
54: #define ZCRCG 'i' /* CRC next, frame continues nonstop */
55: #define ZCRCQ 'j' /* CRC next, frame continues, ZACK expected */
56: #define ZCRCW 'k' /* CRC next, ZACK expected, end of frame */
57: #define ZRUB0 'l' /* Translate to rubout 0177 */
58: #define ZRUB1 'm' /* Translate to rubout 0377 */
59:
60: /* zdlread return values (internal) */
61: /* -1 is general error, -2 is timeout */
62: #define GOTOR 0400
63: #define GOTCRCE (ZCRCE|GOTOR) /* ZDLE-ZCRCE received */
64: #define GOTCRCG (ZCRCG|GOTOR) /* ZDLE-ZCRCG received */
65: #define GOTCRCQ (ZCRCQ|GOTOR) /* ZDLE-ZCRCQ received */
66: #define GOTCRCW (ZCRCW|GOTOR) /* ZDLE-ZCRCW received */
67: #define GOTCAN (GOTOR|030) /* CAN*5 seen */
68:
69: /* Byte positions within header array */
70: #define ZF0 3 /* First flags byte */
71: #define ZF1 2
72: #define ZF2 1
73: #define ZF3 0
74: #define ZP0 0 /* Low order 8 bits of position */
75: #define ZP1 1
76: #define ZP2 2
77: #define ZP3 3 /* High order 8 bits of file position */
78:
79: /* Bit Masks for ZRINIT flags byte ZF0 */
80: #define CANFDX 0x01 /* Rx can send and receive true FDX */
81: #define CANOVIO 0x02 /* Rx can receive data during disk I/O */
82: #define CANBRK 0x04 /* Rx can send a break signal */
83: #define CANCRY 0x08 /* Receiver can decrypt */
84: #define CANLZW 0x10 /* Receiver can uncompress */
85: #define CANFC32 0x20 /* Receiver can use 32 bit Frame Check */
86: #define ESCCTL 0x40 /* Receiver expects ctl chars to be escaped */
87: #define ESC8 0x80 /* Receiver expects 8th bit to be escaped */
88: /* Bit Masks for ZRINIT flags byze ZF1 */
89: #define ZF1_CANVHDR 0x01 /* Variable headers OK, unused in lrzsz */
90: #define ZF1_TIMESYNC 0x02 /* nonstandard, Receiver request timesync */
91:
92: /* Parameters for ZSINIT frame */
93: #define ZATTNLEN 32 /* Max length of attention string */
94: /* Bit Masks for ZSINIT flags byte ZF0 */
95: #define TESCCTL 0100 /* Transmitter expects ctl chars to be escaped */
96: #define TESC8 0200 /* Transmitter expects 8th bit to be escaped */
97:
98: /* Parameters for ZFILE frame */
99: /* Conversion options one of these in ZF0 */
100: #define ZCBIN 1 /* Binary transfer - inhibit conversion */
101: #define ZCNL 2 /* Convert NL to local end of line convention */
102: #define ZCRESUM 3 /* Resume interrupted file transfer */
103: /* Management include options, one of these ored in ZF1 */
104: #define ZF1_ZMSKNOLOC 0x80 /* Skip file if not present at rx */
105: /* Management options, one of these ored in ZF1 */
106: #define ZF1_ZMMASK 0x1f /* Mask for the choices below */
107: #define ZF1_ZMNEWL 1 /* Transfer if source newer or longer */
108: #define ZF1_ZMCRC 2 /* Transfer if different file CRC or length */
109: #define ZF1_ZMAPND 3 /* Append contents to existing file (if any) */
110: #define ZF1_ZMCLOB 4 /* Replace existing file */
111: #define ZF1_ZMNEW 5 /* Transfer if source newer */
112: /* Number 5 is alive ... */
113: #define ZF1_ZMDIFF 6 /* Transfer if dates or lengths different */
114: #define ZF1_ZMPROT 7 /* Protect destination file */
115: #define ZF1_ZMCHNG 8 /* Change filename if destination exists */
116:
117: /* Transport options, one of these in ZF2 */
118: #define ZTLZW 1 /* Lempel-Ziv compression */
119: #define ZTCRYPT 2 /* Encryption */
120: #define ZTRLE 3 /* Run Length encoding */
121: /* Extended options for ZF3, bit encoded */
122: #define ZXSPARS 64 /* Encoding for sparse file operations */
123:
124: /* Parameters for ZCOMMAND frame ZF0 (otherwise 0) */
125: #define ZCACK1 1 /* Acknowledge, then do command */
126:
127: /* Globals used by ZMODEM functions */
128: #if 0
129: extern int Rxframeind; /* ZBIN ZBIN32, or ZHEX type of frame received */
130: extern int Rxtype; /* Type of header received */
131: extern int Zrwindow; /* RX window size (controls garbage count) */
132: extern char Rxhdr[4]; /* Received header */
133: extern char Txhdr[4]; /* Transmitted header */
134: extern long Txpos; /* Transmitted file position */
135: extern int Txfcs32; /* TURE means send binary frames with 32 bit FCS */
136: extern int Crc32t; /* Display flag indicating 32 bit CRC being sent */
137: extern int Crc32; /* Display flag indicating 32 bit CRC being received */
138: extern int Znulls; /* Number of nulls to send at beginning of ZDATA hdr */
139: extern char Attn[ZATTNLEN+1]; /* Attention string rx sends to tx on err */
140: #endif
141:
142: /* End of ZMODEM.H */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to zmodem.h CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / lrzsz / src