; FILE FASTALK2.SCR (MSMFASTALK.SCR)
; 
; An MS-DOS Kermit script program for dialing the Motorola UDS FasTalk II
; modem, to be used with MS-DOS Kermit 3.12 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, October 1994.
;
def errfail echo \%1, hangup, goto fail ; Macro to handle failures.
if < VERSION 312 errfail {MS-DOS Kermit 3.12 or later required.}

define chkerr if fail stop 1 \%1
define chkok input 3 OK, if fail stop 1 \%1

; Macro to try to get attention of modem's command processor
; at the given speed, or if no speed given, at the current speed.
;
define atok -
 if not def \%1 assign \%1 \v(speed), -
 set speed \%1, -
 echo Trying \%1..., -
 output ATQ0V1\13, -
 input 3 OK, -
 end \v(status)

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

atok 57600			; Autobaud...
if fail atok 38400
if fail atok 19200
if fail atok 9600
if fail stop 1 Can't get modem's attention.

def atok
output AT E1&C1&D2&S0X4\92V1\92E0\13	; Echoing, result codes, etc.
chkok {Can't initialize modem}

echo Configuring Motorola UDS FasTalk II...
out ATB1 S7=85 S25=50\13		; Modulation fallback, timers
chkok {Can't set data modulation and timers}
echo Enabling hardware flow control...
output AT \92G1\92Q3\13
chkok {Can't enable RTS/CTS}
wait 5 cts
if fail errfail {Modem is not asserting CTS!}
set flow rts/cts 
echo Configuring modem to pass BREAK...
output AT \92K5\13
chkok {Can't become transparent to BREAK}
echo Enabling error correction and data compression...
output AT \92N6\92J0%C1\13
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.)
clear input			; Clear echo from INPUT buffer.
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 carrier}
reinput 1 NO ANSWER		; No answer
if success errfail {No answer}
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.
def errfail			; Erase local macro definitions...
end 0				; Finished, return success code.

:FAIL				; Dialing failed, no beep.
def errfail			; Erase local macro definitions...
end 1				; Return failure code.

; End of FASTALK2.SCR