[BACK]Return to puks.tcl CVS log [TXT] [DIR] Up to [Local Repository] / tclpuks / prgsrc

Diff for /tclpuks/prgsrc/puks.tcl between versions 1.1 and 1.3

version 1.1, 2005/08/26 00:36:53 version 1.3, 2005/08/29 14:22:27
Line 0 Line 1
   #!/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 MRC device
   set MRC 0
   
   #  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 MRC
   ##############################################################
   
   # Open the given device for MRC.  Return 0 if successful, 1 otherwise
   proc open_mrc {device} {
       global MRC
       set result [catch {set MRC [open $device r+]}]
       if {$result !=0} {
           return $result
       }
       fconfigure $MRC -blocking 0  -translation binary \
           -encoding binary -buffering none -mode  57600,n,8,1
       
       puts $MRC s
       after 200
       read $MRC
       puts $MRC r
       after 200
       read $MRC
       return 0
   }
       
   
   
   # Return the key pressed or 0
   proc readbuffer {} {
       global MRC  button
       set key 0
       set message [read $MRC]
       binary scan $message s key
       set key [expr $key & 0xFFFF]
       if {[catch {set key $button($key)}] == 0} {
           return $key
       }
       return 0
   }
   
   ##############################################################
   #   Setup
   ##############################################################
   
   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 
   
   
   
   
   
Removed from v.1.1  
changed lines
  Added in v.1.3

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>