wht@tridom.uucp (Warren Tucker) (10/12/89)
---- Cut Here and unpack ----
#!/bin/sh
# this is part 41 of a multipart archive
# do not concatenate these parts, unpack them in order with /bin/sh
# file doc/samplproc.man continued
#
CurArch=41
if test ! -r s2_seq_.tmp
then echo "Please unpack part 1 first!"
exit 1; fi
( read Scheck
if test "$Scheck" != $CurArch
then echo "Please unpack part $Scheck next!"
exit 1;
else exit 0; fi
) < s2_seq_.tmp || exit 1
echo "x - Continuing file doc/samplproc.man"
sed 's/^X//' << 'SHAR_EOF' >> doc/samplproc.man
X $i00 = 0 (0x00000000,00)
X $i01 = 0 (0x00000000,00)
X $i02 = 1 (0x00000001,01)
X ftst 50> fdel $s10 # should say 'deleted'
X '/tmp/ftst.tmp' deleted
X ftst 51> ptrace off
X
X
SHAR_EOF
echo "File doc/samplproc.man is complete"
chmod 0644 doc/samplproc.man || echo "restore of doc/samplproc.man fails"
echo "x - extracting doc/ecu.man (Text)"
sed 's/^X//' << 'SHAR_EOF' > doc/ecu.man &&
X
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X - 1 -
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X EEEECCCCUUUU
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X ((((EEEExxxxtttteeeennnnddddeeeedddd CCCCaaaallllllll UUUUttttiiiilllliiiittttyyyy))))
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X PPPPeeeerrrrssssoooonnnnaaaallll CCCCoooommmmmmmmuuuunnnniiiiccccaaaattttiiiioooonnnnssss PPPPaaaacccckkkkaaaaggggeeee
X ffffoooorrrr XXXXEEEENNNNIIIIXXXX SSSSyyyysssstttteeeemmmm VVVV
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X Copyright 1986, 1989, Warren H. Tucker, III. All rights reserved.
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X Technical Description
X Revision 0.50 (ecu 2.11)
X PRELIMINARY
X 10/8/89
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 1
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X 1. _I_n_t_r_o_d_u_c_t_i_o_n
X
X
X ECU (Extended Call Utility) is a personal communications program for
X users of XENIX System V on 80286 and 80386 systems. This preliminary
X document describes ECU functionality and implementation from a technical
X point of view.
X
X ECU provides the classic terminal communications facility of passing
X keyboard data to a serial line and incoming data to the computer video
X display. In addition, a dialing directory, a function key mapping
X feature, and session logging are available.
X
X A very flexible procedure (script) language is also incorporated to
X automate many communications tasks. Using shell scripts and ECU
X procedures, it is possible to use ECU in an entirely "unattended"
X fashion for batch-style communications sessions.
X
X ECU supports numerous file transfer protocols: as of this writing,
X XMODEM, XMODEM/CRC, XMODEM-1K, YMODEM/CRC Batch, ZMODEM/CRC-16,
X ZMODEM/CRC-32, Kermit and SEAlink are supported.
X
X This document is only of a preliminary nature and is NNNNOOOOTTTT well written.
X It attempts to get across to the inquiring mind how ECU works. In
X places, an understanding of the UNIX programming model, XENIX and UUCP
X constructs and asynchrononous communications techniques is assumed. In
X other places, the document goes into tedious detail about the simplest
X of concepts.
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 2
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X 2. _B_a_s_i_c _O_r_g_a_n_i_z_a_t_i_o_n
X
X
X ECU forks to run as two separate processes, a transmitter (XMTR) and a
X receiver (RCVR). The two processes communicate via signals and a System
X V shared memory segment. XMTR controls RCVR and terminates it under
X certain circumstances, called here auxiliary operations. After an
X auxiliary operation completes, XMTR forks again to recreate RCVR.
X
X
X 2.1 _T_r_a_n_s_m_i_t_t_e_r _P_r_o_c_e_s_s (_X_M_T_R)
X
X
X XMTR accepts user input from the computer keyboard; input is recognized
X as belonging to one of two types: 1) transmit data and 2) ECU commands.
X Keyboard input is passed to the serial line driver until an ECU command
X is detected. Commands are prefixed with a "hot key" which causes ECU to
X accept keyboard data up to the next ENTER key as command text. After a
X command has been processed, keyed data is again routed to the serial
X line.
X
X
X 2.1.1 _K_e_y_b_o_a_r_d _I_n_t_e_r_f_a_c_e
X
X The keyboard driver is set into the raw mode. XMTR reads characters one
X at a time from the driver. Normally, characters read from the keyboard
X are passed directly to the serial line driver. The ASCII ESC ("escape")
X character is handled as a special case. When a function key is pressed,
X the keyboard driver presents to XMTR an ESC character, followed by two
X more characters describing which function key has been pressed.
X Pressing the ESC key also causes XMTR to see an ESC character, but with
X no subsequent function key "suffix".
X
X When an ESC character is read, XMTR delays transmission of the character
X to the line for a short period to determine whether the ESC key has been
X pressed or a function key has been pressed. If no "suffix" is detected,
X the ESC is passed to the line, having suffered an insignificant delay
X given human typing speeds.
X
X If a function key "suffix" is detected, the function key type is
X decoded. A HOME key indicates an ECU command follows. Any other
X function key is passed to the function key mapping feature (described
X later).
X
X
X 2.1.2 _E_C_U _C_o_m_m_a_n_d _A_s_s_e_m_b_l_y
X
X After a HOME function key has been pressed, XMTR presents a reverse
X video prompt on the display, indicating its readiness to accept a
X command. During input, the command may be edited using the same control
X keys specified with stty(C). Command input is aborted by pressing ESC.
X
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 3
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X
X
X When a command string has been assembled, it is passed to the command
X processor, which breaks the command arguments into a token array similar
X to the argc/argv array. When the command handler returns, XMTR returns
X to its normal mode of copying keyboard data to the serial line.
X
X
X 2.1.3 _F_u_n_c_t_i_o_n _K_e_y _M_a_p_p_i_n_g
X
X Function keys other than HOME are available to be mapped to transmit
X short keystroke sequences on a connection by connection basis. Under
X control of the dialing command ("Dial" described below) or the function
X key control command ("FK"), predefined function key maps may be loaded.
X
X Function keys which may be mapped are F1 through F12, PgUp, PgDn, End,
X Ins, Del, the unshifted keypad '5' key and the cursor control keys.
X
X
X 2.1.4 _A_u_x_i_l_i_a_r_y _O_p_e_r_a_t_i_o_n _C_o_n_t_r_o_l
X
X Certain commands cause ECU to perform what is called an auxiliary
X operation, requiring temporary termination of the RCVR process. There
X are two types of auxiliary operations: 1) internal command execution and
X 2) external program execution.
X
X Certain internal commands require tight control over the serial line.
X For instance, the Dial command requires transmitting modem command
X strings and receiving modem response codes. Such procedures are best
X accomplished by single-process control of the line. External program
X execution is of two kinds, file transfer invocation and local
X shell/command execution.
X
X The RCVR process is terminated in any of these cases either to avoid the
X RCVR swallowing characters intended for other targets (the modem handler
X in XMTR or the file transfer protocol) or to avoid having remote data
X interspersed with the output of local programs.
X
X
X 2.2 _R_e_c_e_i_v_e_r _P_r_o_c_e_s_s (_R_C_V_R)
X
X
X The receiver process reads the incoming serial data stream and passes it
X to the user terminal driver through a filter which scans for events such
X as the occurrence of ASCII BEL (bell) characters or terminal control
X sequences. RCVR also handles the session logging function.
X
X
X 2.2.1 _A_N_S_I _F_i_l_t_e_r
X
X Since the term "ANSI" is used to describe many variations on the ANSI
X X3.64 recommendations for terminal control (read "IBM pseudo-ANSI"), the
X ECU receiver process has an "ANSI filter" which attempts to translate
X
X
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 4
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X
X
X ANSI-like control sequences to sequences acceptable to the XENIX display
X driver. The filter can be enabled or disabled by user command.
X
X
X 2.2.2 _S_e_s_s_i_o_n _L_o_g_g_i_n_g
X
X When directed by the user, the RCVR process logs incoming serial data to
X a file named on the log command line. The default operation is to
X filter unprintable characters (other than TAB and NL) from the log, but
X raw logging is available with a command option. In a like manner, the
X default is for appending to an existing file, but a command option may
X specify scratching any previous contents.
X
X Log files receive header lines each time the file is opened, stating the
X logical system name, the telephone number and the date/time.
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 5
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X 3. _F_e_a_t_u_r_e_s
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X 3.1 _D_i_a_l_i_n_g _D_i_r_e_c_t_o_r_y
X
X
X ECU provides an on-line editable dialing directory. Remote systems are
X defined as records using alphanumeric identifiers as keys. Other record
X fields include telephone number, baud rate, parity and textual
X description.
X
X
X 3.2 _O_n_l_i_n_e _C_o_m_m_a_n_d _D_i_c_t_i_o_n_a_r_y
X
X
X The ECU help command presents a display of interactive commands. The
X user is then prompted to enter a command name for further, Unix-style
X "usage" information.
X
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X 3.3 _M_u_l_t_i_s_c_r_e_e_n _E_v_e_n_t _A_l_a_r_m
X
X
X By using the "BN" (bell notify) interactive command, an audible alert is
X sent to all multiscreens when an ASCII BEL (bell) is received or when a
X file transfer completes. An additional option causes an alert when ANY
X data is received from the line. This makes it simple to do work on
X other multiscreen consoles and be alerted when attention to the
X communications session is required.
X
X For instance, the Berkeley 4.x Unix utility "talk" rings the bell when
X another user wishes an interactive chat mode. BSD "biff" rings the bell
X when incoming mail is received. Scripts or commands at remote sites can
X be configured to ring the bell as in:
X
X make foo bar; bell; make more_stuff; bell;
X
X to call attention to the ECU user when work is being done on other
X multiscreen consoles.
X
X
X 3.4 _F_u_n_c_t_i_o_n _K_e_y _M_a_p_p_i_n_g
X
X
X All function keys with the exception of the HOME and keypad unshifted 5
X key can be programmed to emit selected strings. For instance, when
X communicating with a Stratus computer, a function key map might be
X constructed as follows:
X
X
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X
X
X Copyright (C) 1989, Warren H. Tucker 10/8/89
X
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X ECU Technical Description 6
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X
X
X F1 F1 F2 F2 HOME ecu cmd PGUP dispform
X F3 F3 F4 F4 END enter PGDN cancel
X F5 F5 F6 F6 INS local shell CUR5 Screen dump
X F7 status F8 no status
X F9 F10 redisp CUR^ ^ CUR> >
X F11 F12 CUR< < CURv v
X
X
X
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X 3.5 _B_u_i_l_t-_i_n _M_o_d_e_m _D_i_a_l_e_r
X
X
X The built-in ECU dialer supports modems which use the HHHHaaaayyyyeeeessss----ssssttttyyyylllleeee AAAATTTT
X ccccoooommmmmmmmaaaannnndddd sssseeeetttt oooorrrr mmmmoooosssstttt vvvvaaaarrrriiiiaaaannnnttttssss tttthhhheeeerrrreeeeooooffff. It is used when HoneyDanBer UUCP
X is not installed or when there is no entry in the /usr/lib/uucp/Devices
X file for the selected outgoing line.
X
X For more information, see the later section titled "HoneyDanBer UUCP
X Interface".
X
X The built-in dialer uses files in the /usr/lib/ecu directory which
X contains modem initialization information. Modem initialization
X filenames are made from concatenating the tty name with ".mi". For
X instance, tty1a's initialization file is named "tty1a.mi".
X
X Commands for initializing the modem and for dialing may be specified in
X a very flexible manner. Separate init and dial strings for each legal
X baud rate, a single pair of strings for all baud rates or a combination
X may be specified.
X
X
X 3.6 _F_i_l_e _T_r_a_n_s_f_e_r
X
X
X ECU supports numerous file transfer protocols: as of this writing,
X XMODEM, XMODEM/CRC, XMODEM-1K, YMODEM/CRC Batch, ZMODEM/CRC-16,
X ZMODEM/CRC-32, and Kermit are supported. Although a seamless interface
X is provided to the user, transfer is facilitated by executing external
X programs.
X
X XMODEM, YMODEM and ZMODEM transfers are supported by public domain
X programs by Chuck Forsberg that have been significantly modified to keep
X transfer statistics present dynamic status displays similar to the
X following:
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 7
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X Sample Modem Initialization Files
X
X #+-----------------------------------------------------------
X # tty1a.mi - Microcom AX/9624c
X # Copyright 1989 Warren H. Tucker, III. All Rights Reserved
X #------------------------------------------------------------
X #+:EDITS:
X #:06-17-1989-22:02-wht-creation
X init_>2400:ATS11=47X4S0=0S7=30Q1X1N3 # baud rates > 2400
X init_default:ATS11=47X4S0=0S7=30Q0X0N0 # other baud rates
X dial_default:ATDT
X
X
X #+-----------------------------------------------------------
X # tty2d.mi - USR Courier 2400
X # Copyright 1989 Warren H. Tucker, III. All Rights Reserved
X #------------------------------------------------------------
X #+:EDITS:
X #:06-17-1989-22:02-wht-creation
X init_default:ATS11=47 X4 S0=0 S7=32
X dial_default:ATDT
X
X
X
X .-- ecusz 2.02 -- dir: /u1/bin ----------------------------.
X | ZMODEM/CRC32 Data xfer rate ~= 234 chars/sec |
X | File 1 of 1: less |
X | File position: 50356 length: 50356 -rwxr-xr-x |
X | Sending 50356 bytes total time ~= 3:51 |
X | tx: hdr ZFIN 00000000 rx: hdr ZFIN 00000000 |
X | Comm I/O: rx 176 tx 52404 bytes |
X | Baud rate: 2400 BINARY blklen: 1024 comm mode: NORMAL |
X | Time started: session: 18:41:51 this file: 18:41:53 |
X | elapsed: 00:03:41 current: 18:45:33 |
X | Error counts: this file: 0 total: 0 |
X | Total file bytes transferred: 50356 |
X | End of file |
X | Remote: CRC32 y duplex y continuous stream y |
X `----------------------------------------------------------'
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X 3.7 _P_r_o_c_e_d_u_r_e_s (_S_c_r_i_p_t_s)
X
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X A powerful, language-style procedure language is incorporated into ECU.
X The lnaguage is described in later sections.
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 8
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X 3.8 _I_n_i_t_i_a_l (_S_t_a_r_t_u_p) _P_r_o_c_e_d_u_r_e
X
X
X An iiiinnnniiiittttiiiiaaaallll pppprrrroooocccceeeedddduuuurrrreeee may be be specified to ECU either to initialize an
X interactive session or to execute an entirely unattended or "batch"
X communication session.
X
X
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X 3.9 _H_o_m_e _D_i_r_e_c_t_o_r_y _F_i_l_e_s
X
X
X ECU control files reside in the .ecu subdirectory of each user's home
X directory. For example, in home directory /usr/wht:
X
X /usr/wht/.ecu/dir CD interactive command history file
X /usr/wht/.ecu/keys function key mapping
X /usr/wht/.ecu/log connect, file transfer history
X /usr/wht/.ecu/phone dialing directory
X
X
X The .ecu directory also contains ECU procedure files (having the '.ep'
X extension).
X
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X 3.10 _L_o_c_k _F_i_l_e_s
X
X
X ECU maintains lock files in /usr/spool/uucp in accordance with the
X HoneyDanBer UUCP conventions. Lock files are created for both device
X names of a line. For example, both LCK..tty1A and LCK..tty1a are
X created when /dev/tty1a OR /dev/tty1A is selected. See the later
X section titled "HoneyDanBer UUCP Interface".
X
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X 3.11 _D_i_a_l-_I_n/_D_i_a_l-_O_u_t _L_i_n_e _S_u_p_p_o_r_t
X
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X ECU works with the SCO getty to support dialing out on a line enabled
X for login. After use of the line is complete, ECU signals the system to
X restore incoming call status to the line. See the later section titled
X "HoneyDanBer UUCP Interface".
X
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X 3.12 _T_o_o_l_s
X
X
X Commands are provided for conversion of hexadecimal or decimal numbers
X to and from ASCII equivalents. For example, 26(10) == 0x1a == ^Z ==
X SUB.
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 9
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X 4. _S_t_a_r_t_i_n_g _t_h_e _P_r_o_g_r_a_m
X
X
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X 4.1 _S_i_m_p_l_e _S_t_a_r_t_u_p - _I_n_i_t_i_a_l _S_e_t_u_p _M_e_n_u
X
X
X ECU may be started in a number of ways through use of command line
X switches, but the easiest is to enter
X
X ecu
X
X by itself. In this case, the screen is cleared and the folowing screen
X will be presented.
X
X
X
X
X .--[ ecu 1.96 Copyright 1986,1989, W. Tucker ]-----------------.
X | |
X | Name/phone number to call: ___________________ |
X | |
X | |
X | tty: /dev/tty1a |
X | |
X | duplex: F baud: 2400 parity:N (data bits 8) |
X | Add NL to transmitted CR: N |
X | Add NL to received CR: N |
X | |
X | |
X | TAB:next ^B:prev END:proceed ^D:phone dir ESC:quit ecu |
X `- logical phone directory entry, phone number or empty -------'
X
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X 4.1.1 _N_a_m_e/_P_h_o_n_e _N_u_m_b_e_r _F_i_e_l_d
X
X If a dialing directory has been configured, a literal phone number need
X not be entered. However, on your first invocation, you'll very likely
X have no directory. Therefore, you have three options:
X
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 10
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X
X
X 1. Enter a literal telephone number, (e.g. 18005551212).
X Hyphens and open and close parentheses may also
X be entered.
X
X 2. Press ENTER to skip the 'Name/phone' field and enter
X ^D to enter the telephone directory to enter your
X first directory entry.
X
X 3. Press END to enter interactive mode and use the Dial
X interactive command to dial a literal telephone num-
X ber or to enter the dialing directory.
X
X
X
X 4.1.2 _O_t_h_e_r _F_i_e_l_d_s
X
X The 'tty' field may be used to select an outgoing line other than the
X default /dev/tty1a. Note: only the last two characters of the tty name
X need be entered. The remainder of the tty name is assumed to be
X '/dev/tty'.
X
X The 'duplex' field may be used to select a duplex value other than the
X default 'F' (full).
X
X The 'baud' field may be used to select a baud rate value other than the
X default 2400.
X
X The 'parity' field may be used to select a parity value other than the
X default 'N' (none).
X
X
X The 'Add NL to transmitted CR' and 'Add NL to received CR' fields are
X usually left defaulted to 'N' (no). If you will be communicating with a
X terminal (with a human), you will usually need to set both of these
X fields to 'Y' as well as to select 'H'alf duplex.
X
X
X 4.1.3 _S_p_e_c_i_a_l _C_h_a_r_a_c_t_e_r_s
X
X Special keyboard characters while filling in the startup screen are:
X
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
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X ECU Technical Description 11
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X
X
X TAB move to next field ... if nothing typed in
X the field, do not disturb contents
X
X ^B back up to previous field
X
X END proceed with session, dialing remote if
X logical directory entry name or literal
X telephone number enetered
X
X ^D enter phone directory
X
X ESC quit ecu without any communications
X
X
X
X 4.2 _C_o_m_m_a_n_d _L_i_n_e _A_r_g_u_m_e_n_t_s _a_n_d _S_w_i_t_c_h_e_s
X
X
X ECU can be started in a number of ways:
X
X
X ecu [-lxx] [-b<baud>] [-h] [-e|-o] [-t] <tel-number>
X ecu [-lxx] [-b<baud>] [-h] [-e|-o] [-t]
X ecu [-t] <logical>
X ecu [-lxx] [-b<baud>] [-h] [-e|-o] [-d] -p <proc> [<arg> ...]
X
X
X
X 4.2.1 -_l
X
X When ECU starts up, it normally chooses a line as described later in the
X section titled "Choosing a Dialout Line". Specifying the -l switch can
X suggest that the program choose a specific line. The argument to the
X switch is the last two charcters of the ttyname; e.g., "-l1a".
X
X
X 4.2.2 -_f
X Normally, ECU starts up in the full duplex mode. If half duplex is
X desired, the ----ffff sssswwwwiiiittttcccchhhh is used.
X
X
X 4.2.3 -_e, -_o
X
X Normally, ECU starts up with 8 data bits and no parity. If even parity
X is desired, the ----eeee sssswwwwiiiittttcccchhhh is specified. If odd parity is desired, the
X ----oooo sssswwwwiiiittttcccchhhh is specified.
X
X These switches
X
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X Copyright (C) 1989, Warren H. Tucker 10/8/89
X
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X ECU Technical Description 12
X
X
X
X 4.2.4 -_p <_p_r_o_c_n_a_m_e>
X
X The ----pppp sssswwwwiiiittttcccchhhh causes ECU to execute the procedure <procname>
X ("<procname>.ep") immediately. Such a procedure is termed the iiiinnnniiiittttiiiiaaaallll
X pppprrrroooocccceeeedddduuuurrrreeee.... All non-switch arguments after <procname> are passed as
X arguments to the initial procedure (see the descriptions of the integer
X function %%%%aaaarrrrggggcccc and the string function %%%%aaaarrrrggggvvvv).
X
X
X 4.2.5 -_d
X
X The ----dddd sssswwwwiiiittttcccchhhh instructs ECU to "die" (terminate with error status) if
X any specified initial procedure fails. This switch ensures a batch ECU
X execution will hang up any connection and terminate if a procedure error
X occurs.
X
X Absence of the ----dddd sssswwwwiiiittttcccchhhh causes ecu (upon any completion of the initial
X procedure) to enter the 1) interactive mode if a line was successfully
X attached by the procedure or 2) the setup menu if not line was attached.
X
X
X 4.2.6 -_t
X
X The ----tttt sssswwwwiiiittttcccchhhh instructs ECU to map incoming and outgoing carriage
X returns to carriage return/line feed pairs. This is helpful if the
X remote connection will be to a terminal with a human operator. Use of
X the ----hhhh sssswwwwiiiittttcccchhhh is probably also necessary.
X
X
X 4.3 _E_n_v_i_r_o_n_m_e_n_t _V_a_r_i_a_b_l_e_s
X
X
X Prior to starting ECU, it is useful, but not necessary, to establish two
X environment variables, ECUPROMPT and ECUHELP.
X
X
X 4.3.1 _E_C_U_P_R_O_M_P_T
X
X The ECUPROMPT environment variable determines the prompt printed by ECU
X when the interactive command key ("HOME") is pressed. When you first
X run ECU, try setting it to your name, e. g.,
X
X setenv ECUPROMPT Ralph if you use csh
X
X ECUPROMPT=Ralph if you use sh, ksh, etc.
X export ECUPROMPT
X
X Then, when you see how it used, you may wish to establish a more
X permanent choice in your .login or .profile.
X
X
X
X
X
X Copyright (C) 1989, Warren H. Tucker 10/8/89
X
X
X
X
X
X
X
X ECU Technical Description 13
X
X
X
X 4.3.2 _E_C_U_H_E_L_P
X
X Ordinarily, ECU looks for interactive command help information in
X "/usr/lib/ecu/ecuhelp.data". The ECUHELP environment may be set to the
X complete pathname of the ecu help file if an alternate file is to be
X used.
X
X The help file is explained later in the section titled "Online Command
X Dictionary".
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X Copyright (C) 1989, Warren H. Tucker 10/8/89
X
X
X
X
X
X
X
X ECU Technical Description 14
X
X
X
X 5. _I_n_t_e_r_a_c_t_i_v_e _M_o_d_e _C_o_m_m_a_n_d_s
X
X
X The following is a partial list of commands available in the interactive
X (non-procedure) mode. It is not necessary to to enter the entire
X command in most cases. The portion of each command which must be
X entered is capitalized in the following section headers.
X
X
X
X 5.1 _A_N_s_i
X
X usage: ansi [ on | off ]
X
X
X This command controls ECU's ansi filter. MS-DOS-based systems use non-
X standard video display control sequences (SGR - Set Graphics Rendition).
X Also, the "Save Cursor Position" and "Restore Cursor Position" sequences
X supported by MS-DOS are not part of ANSI X3.64, either. When the ansi
X filter is on, these nonstandard sequences are emulated (at some cost in
X CPU overhead in the receiver process). The filter state is normally on.
X When using ECU on communications lines running at baud rates above 2400
X baud, if you do not need it, you may wish to turn off the filter to
X increase throughput and reduce CPU overhead. Issuing the command with
X no argument shows the current filter state.
X
X The ANSI filter is turned on when ECU begins executing.
X
X
X 5.2 _A_X : _a_s_c_i_i _c_h_a_r _t_o _h_e_x/_o_c_t/_d_e_c
X
X usage: ax [<param>]
X
X
X <param> may be a single ASCII character, a standard ASCII identifier
X (such as ETX), or a two-character control character identifier (such as
X ^C, typed as a caret followed by a C).
X
X If no argument is supplied, a table of control characters is printed
X containing decimal, octal, hex, ASCII identifiers and two-character
X control character identifier.
X
X
X
X 5.3 _B_A_u_d : _s_e_t/_d_i_s_p_l_a_y _l_i_n_e _b_a_u_d _r_a_t_e
X
X usage: baud [<baud-rate>]
X
X
X <baud-rate>, if specified, must be taken from the values 110, 300, 600,
X 1200, 2400, 4800, 9600, 19200 and 38400. On some systems, 19200 and
X
X
X
X Copyright (C) 1989, Warren H. Tucker 10/8/89
X
X
X
X
X
X
X
X ECU Technical Description 15
X
X
X
X 38400 may not be supported. If baud rate 110 is selected, 2 stop bits
X are automatically specified; other baud rates set 1 stop bit. If
X <baud-rate> is not supplied, the current baud rate is displayed.
X
X The setting may be automatically changed as the result of a 'dial'
X command. See also the ddddiiiiaaaallll and ppppaaaarrrriiiittttyyyy command descriptions.
X
X
X
X 5.4 _B_N : _a_l_l _c_o_n_s_o_l_e _e_v_e_n_t _a_l_a_r_m
SHAR_EOF
echo "End of part 41"
echo "File doc/ecu.man is continued in part 42"
echo "42" > s2_seq_.tmp
exit 0
--
-------------------------------------------------------------------
Warren Tucker, Tridom Corporation ...!gatech!emory!tridom!wht
Ker-au'-lo-phon. An 8-foot partial flue-stop, having metal pipes
surmounted by adjustable rings, and with a hole bored near the top
of each pipe, producing a soft and "reedy" tone.