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- ; FILE PP14400.SCR (MSMPP144.SCR)
- ;
- ; An MS-DOS Kermit script program for dialing the Practical Peripherals
- ; 14400 modem, to be used with MS-DOS Kermit 3.11 or later.
- ; The modem is set up for compression, error correction, all types of fallback.
- ; RTS/CTS flow control, fixed interface speed of 57600 or 38400.
- ;
- ; Authors: Christine M. Gianone, Frank da Cruz; Columbia U, June 1993
- ;
- def errfail echo \%1, hangup, goto fail ; Macro to handle failures.
- if < VERSION 312 errfail {MS-DOS Kermit 3.12 or later required.}
- if eq "\v(system)" "UNIX" if = \v(local) 0 stop 1 You must SET LINE first
-
- define chkerr if fail stop 1 \%1
- define chkok input 3 OK, if fail stop 1 \%1
-
- set input echo on ; So we can watch what happens.
- set input timeout proceed ; Allow IF SUCCESS, IF FAILURE.
- set input case ignore ; Use caseless string comparisons
-
- set parity none ; Avoid parity foulups
- set flow none ; Avoid flow control deadlocks
- hangup ; Begin by dropping DTR
- pause 1 ; for one second
-
- ; Speed. Don't worry about modem, it autobauds up to 14400.
-
- set speed 57600 ; If computer can be set to 57600 bps, use it.
- if fail set speed 38400 ; If not, use 38400.
-
- echo Configuring Practical Peripherals 14400 on \v(line).
-
- wait 0 DSR ; Check modem signals that should be on
- chkerr {No DSR signal - check your modem and cable}
- wait 0 CTS
- chkerr {No CTS signal - check your modem and cable}
-
- :INIT
- output ATQ0V1\13 ; Enable word result codes
- chkok {Can't get modem's attention}
-
- output AT E1 W1 S95=47 X4\13 ; Echoing, result codes, etc.
- chkok {Can't initialize modem}
-
- echo Enabling modulation negotiation...
- output AT S37=11 N1\13 ; Start modulation speed negotiation at V32bis
- chkok {Can't enable modulation speed negotiation}
- echo Enabling hardware flow control...
- output AT &K3\13 ; RTS/CTS hardware flow control
- chkok {Can't enable RTS/CTS} ; On modem
- set flow rts/cts ; And in Kermit too, but only now
- echo Configuring modem to ignore BREAK...
- output AT S82=128\13 ; Make modem ignore BREAK
- chkok {Can't become transparent to BREAK}
- echo Enabling error correction and data compression...
- output AT &Q5 S36=7 S46=2\13 ; Enable error correction & compression
- ; with automatic speed buffering
- chkok {Can't enable compression EC and fallback}
-
- if def \%1 if not equal "\%1" "=" goto BEGIN
- echo Modem initialization complete, no number to dial
- end 0
-
- :BEGIN ; Now DIAL.
- clear ; Clear INPUT buffer.
- set count 5 ; Dialing retry counter, 5 tries allowed.
- echo Dialing \%1 on \v(line) at \v(speed) bps, wait...
- echo
- pause 1
- goto dial ; 1st time, skip pause and Redialing message
-
- :REDIAL
- set alarm 30
- pause 30 ; Wait 30 seconds before redialing.
- if not alarm errfail {Dialing canceled.}
- echo Redialing... ; Message for redialing.
- pause 1
-
- :DIAL
- output ATD\%1\13 ; Dial the number.
- set alarm 90 ; (For detecting keyboard interruptions.)
- if > VERSION 312 clear input ; Clear echo from INPUT buffer.
- if < VERSION 313 clear
- input 30 \10 ; Wait for the linefeeds...
-
- :GETMSG
- input 60 \10 ; ...that surround the response message.
- if success goto gotmsg ; Got a message.
- if alarm errfail {No response from modem.} ; No response in 90 seconds.
- hangup ; User interrupted from keyboard,
- output \13 ; cancel dialing by sending carriage return,
- goto again ; and go try again right away.
-
- :GOTMSG
- reinput 1 CONNECT ; Got a message, was it CONNECT?
- if success goto done ; If so, we're done.
- reinput 1 BUSY ; Line is busy.
- if success goto busy ; Go wait a while and then dial again.
- reinput 1 ERROR ; Command syntax error.
- if success errfail {Dialing command error}
- reinput 1 NO CARRIER ; Phone didn't answer or no carrier.
- if success errfail {No answer or no carrier}
- reinput 1 NO DIALTONE ; No dialtone when phone taken off hook.
- if success errfail {No dialtone - Is your modem connected to the phone line\63}
- goto getmsg ; None of the above, get another message.
-
- :BUSY
- if < \v(count) 2 goto quit ; Don't wait 30 seconds if tries are used up.
- Echo Line is busy, will dial again in 30 seconds
- echo Press any key to cancel...
- output \13 ; CR cancels dialing
- hangup ; Hang up.
- :AGAIN
- if count goto redial ; Then go redial.
- :QUIT
- errfail {It never answers! I give up.} ; Too many tries.
-
- :DONE ; Connected.
- echo \7 ; Celebrate with a beep.
- define errfail ; Erase local macro definitions...
- end 0 ; Finished, return success code.
-
- :FAIL ; Dialing failed, no beep.
- define errfail ; Erase local macro definitions...
- end 1 ; Return failure code.
-
- ; End of PP14400.SCR
-