#!/usr/bin/wish
##############################################################
# Global flags and variables
##############################################################
# Flags
set waiting_for_key 0
set question_asked 0
set timer_started 0
# Channel to talk to the MCR device
set MCR 0
set MCR_DEVICE "/dev/ttyUSB0"
# Mapping of MCR codes to keys: button(code)
set buttoncode 256
for {set i 1} {$i <=8} {incr i} {
set button($buttoncode) $i
set buttoncode [expr $buttoncode*2]
}
##############################################################
# Procedures for talking with MCR
##############################################################
# Open the given device for MCR. Return 0 if successful, 1 otherwise
proc open_mcr {device} {
global MCR
set result [catch {set MCR [open $device r+]} error]
if {$result !=0} {
.status.mcr configure -text $error
.status.mcr configure -fg red
return $result
}
fconfigure $MCR -blocking 0 -translation binary \
-encoding binary -buffering none
#-mode 57600,n,8,1
.status.mcr configure -text "Opened $device"
.status.mcr configure -fg black
puts $MCR s
after 200
read $MCR
puts $MCR r
after 200
read $MCR
return 0
}
# Return the list of key pressed or empty list
proc readbuffer {} {
global MCR button
set keys ""
set message [read $MCR 6]
while { [string length $message] > 0} {
binary scan $message b48 msg
.status.mcr -configure -text $msg
.status.mcr -configure -fg black
binary scan $message s key
set key [expr $key & 0xFFFF]
if {[catch {set key $button($key)}] == 0} {
lappend keys $key
}
set message [read $MCR 6]
}
return keys
}
# Dialog for opening the device
proc open_mcr_dialog {} {
toplevel .mcr_dialog
label .mcr_dialog.label -text "Open MCR port:"
entry .mcr_dialog.entry -textvariable MCR_DEVICE
pack .mcr_dialog.label .mcr_dialog.entry
frame .mcr_dialog.buttons
pack .mcr_dialog.buttons
button .mcr_dialog.buttons.ok -command {
open_mcr $MCR_DEVICE
destroy .mcr_dialog
} -text OK
button .mcr_dialog.buttons.cancel -command {destroy .mcr_dialog}\
-text "Cancel"
pack .mcr_dialog.buttons.ok .mcr_dialog.buttons.cancel -side left
}
##############################################################
# Setup
##############################################################
# Main menu
menu .mbar -type menubar -relief ridge -borderwidth 2
pack .mbar -fill x
menubutton .mbar.file -text File -menu .mbar.file.m -underline 0 \
-relief raised -borderwidth 2
pack .mbar.file -side left
set m [menu .mbar.file.m]
$m add command -label "Open" -state disabled
$m add command -label "Save as..." -state disabled
$m add command -label "Save" -state disabled
$m add separator
$m add command -label "Quit" -command exit
menubutton .mbar.edit -text Edit -underline 0 -state disabled\
-relief raised -borderwidth 2
pack .mbar.edit -side left
menubutton .mbar.mcr -text "MCR" -menu .mbar.mcr.m -underline 0 \
-relief raised -borderwidth 2
pack .mbar.mcr -side left
set m [menu .mbar.mcr.m]
$m add command -label "Open MCR" -command open_mcr_dialog
menubutton .mbar.help -text Help -menu .mbar.help.m -underline 0\
-relief raised -borderwidth 2
pack .mbar.help -side right
set m [menu .mbar.help.m]
$m add command -label "About..." -command {
tk_dialog .about "About Puks" \
"Система управления кнопками.
(C) Teytelman, 2002 (MCR code)
(C) Boris Veytsman, 2005 (Tcl/Tk version)"\
info 0 "OK"}
#Teams
frame .teams
pack .teams -side top
for {set i 0} {$i < 8} {incr i} {
frame .teams.frame($i)
pack .teams.frame($i) -side top -fill x
label .teams.frame($i).button -text 0
pack .teams.frame($i).button -side left
entry .teams.frame($i).name -width 60 -textvariable name($i)
pack .teams.frame($i).name -side left
entry .teams.frame($i).score -width 6 -textvariable score($i)
pack .teams.frame($i).score -side left
}
# Question weight
frame .weight
set weight 1
set doubled 0
pack .weight -side top -fill x
label .weight.label -text "Цена вопроса"
entry .weight.weight -textvariable weight -width 3
checkbutton .weight.doubled -variable doubled
label .weight.label2 -text "x2"
pack .weight.label .weight.weight .weight.doubled .weight.label2 -side left
# Buttons and timer
frame .control
pack .control -side top -fill x
frame .control.buttons
pack .control.buttons -side left -fill y
button .control.buttons.assign -text "Assign Buttons" -underline 0 -state disabled
pack .control.buttons.assign -fill both -side top
bind Button <a> {.control.buttons.assign invoke}
button .control.buttons.start -text Start -underline 0 -command "puts A"
pack .control.buttons.start -fill both -side top
bind Button <s> {.control.buttons.start invoke}
button .control.buttons.stop -text Stop -underline 1 -command "puts B" -state disabled
pack .control.buttons.stop -fill both -side top
bind Button <t> {.control.buttons.stop invoke}
button .control.buttons.reset -text "Reset scores" -underline 0 -state disabled
pack .control.buttons.reset -fill both -side top
bind Button <r> {.control.buttons.reset invoke}
option add *timer.font -*-palatino-*-r-normal--*-1200-*-*-*-*-*-* widgetDefault
label .control.timer -text 0 -border 5 -relief raised -borderwidth 2
pack .control.timer -side left -expand 1 -fill x
# Status line
frame .status -relief sunk -borderwidth 2
pack .status -side top -fill x
label .status.mcr -relief ridge -text "Not connected" -fg red -width 48
pack .status.mcr -side left -fill x
label .status.state -relief ridge -text "Idle"
pack .status.state -side left -fill x
# button .start -text "Start" -command start
# pack .start
# label .pressed
# pack .pressed
proc start {} {
global SRLFILE state idle waiting
readbuffer
.start configure -state disabled -command {}
set state $waiting
}
proc body {} {
global state idle waiting
update idletasks
if { $state == $waiting } {
set pressed [readbuffer]
if { $pressed != 0 } {
# set state $idle
# .start configure -state active -command start
.pressed configure -text "Pressed $pressed"
puts $pressed
readbuffer }
} else {
readbuffer
}
after 10 body
}
#body
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