#!/usr/bin/tclsh8.2
+# used like this:
+# liberator:hostside> ssh bessar 'cd things/trains-bessar/hostside && ./stopgap-controller' | ./gui-displayer -
set testonly 0
#set testonly 1
set port /dev/ttya0
+#set port /dev/ttyS0
+
+set loco 2
set ch(funcsevery) 10
-set ch(speeddirnevery) 12
+set ch(speeddirnevery) 30
set ch(scale) 1
set ch(minint) 5000
-# unset always
-# set always 0
+
+set pointprobs {0 0x010 0x080 0x0f0 0x100}
+set pointprobix 0
+set pointabs 1 ;# 0 or 1
+
set nmrawhich 0
set lastptchosen xx
+set pointprob [lindex $pointprobs $pointprobix]
set polmsg(l) 908000
set polmsg(x) 90f802
set polmsg(y) 90807c
set pname l
set m {}
+set nmradiv 0
set segs {xx yy}
set segsasgot {xx yy}
set pq {} ;# unset: cdu charged and waiting
set speeddirn ff7f
+#unset askspeedix
+set askspeeds {10 30 50 80 100 126}
+#set speeddirn ffff80c3fbcced7f
#set speeddirn_fixed {speed126 2 80 0}
+set speeddirn_fixed {}
set funcs ff7f
# unset pointpos($point)
# unset segdetect($seg) ;# unset: shown D0; {}: shown D1; or: after id, D1->0
+set funcsr1 {0x061 0x020 0x000 0x040 0x060}
+set funcsl1 {0x182 0x080 0x000 0x100 0x180}
+set funcsr2 {0x021 0x020 0x000}
+set funcsl2 {0x042 0x040 0x000}
+set funcsval 0x000
+
proc gui {m} {
puts "GUI $m"
}
gui "M A2 0"
gui "M A5 0 J"
gui "M A6 0 J"
+ gui "EOE"
if {[info exists watchdog]} { gui "P 1" }
gui_polarity
foreach seg [array names segdetect] {
debug "failing now"
fconfigure $p -blocking yes
gui "P 0"
- tellpic 20
+ tellpic 10
exit 1
}
catch { after cancel $watchdog; unset watchdog }
puts "failing $m"
tellpic 9801 ;# 16ms
- after 2000 fail_now
+ after 1000 fail_now
fileevent $p readable {}
}
pt_must $thenpoint $thenpos
}
+proc badwatchdog {} {
+ global pq
+ puts "watchdog - oh well"
+ if {![info exists pq]} { set pq {} }
+}
+
proc pm_charged {} {
global pq
if {[llength $pq]} {
}
proc pt_maybe {point oneisright} {
- global always lastptchosen
- if {[info exists always]} {
- set pos $always
+ upvar #0 pointpos($point) oldpos
+ global lastptchosen pointprob pointabs
+ if {![string compare $point $lastptchosen]} return
+ set lastptchosen $point
+ set x 0x[randbyte]
+ set pos [expr {$x < $pointprob ? 1 : 0}]
+ if {$pointabs} {
+ debug "chose point $point $pos (abs x=$x prob=$pointprob)"
+ set pos [expr {!$pos}]
+ } elseif {[info exists oldpos] && !$oldpos} {
+ debug "chose point $point $pos (0-> x=$x prob=$pointprob)"
} else {
- if {![string compare $point $lastptchosen]} return
- set lastptchosen $point
- set x [randbyte]
- set pos [expr [regexp {^[89a-f]} $x] ? 1 : 0]
- debug "chose point $point pos=$pos (x=$x)"
+ set pos [expr {!$pos}]
+ debug "chose point $point $pos (1-> x=$x prob=$pointprob)"
}
pt_must $point $pos
}
-proc s0 {seg} {
+proc s0 {v seg} {
upvar #0 segdetect($seg) segd
if {![info exists segd]} {
debug "segment $seg = already"
unset segd
gui "D0 $seg"
}
-proc s1 {seg} {
+proc s1 {v seg} {
upvar #0 segdetect($seg) segd
if {![info exists segd]} {
+ pm_detect $v
debug "segment $seg ! (overwrites =)"
} elseif {[string length $segd]} {
debug "segment $seg ! (cancels =)"
proc pm_maydetect {d seg} {
switch -exact $seg {
- 06 { s$d X10 }
- 09 { s$d X8 }
- 0a { s$d X6 }
- 04 { s$d X5 }
- 02 { s$d X7 }
- 07 { s$d X9 }
- 14 { s$d A5 }
- 20 { s$d A6 }
- 1a { s$d A4 }
- 10 { s$d A2 }
- 03 { s$d X1 }
- 05 { s$d X3 }
- 16 { s$d A3 }
- 1c { s$d A1 }
- 08 { s$d X2 }
- 0b { s$d X4 }
+ 06 { s$d $seg X10 }
+ 09 { s$d $seg X8 }
+ 0a { s$d $seg X6 }
+ 04 { s$d $seg X5 }
+ 02 { s$d $seg X7 }
+ 07 { s$d $seg X9 }
+ 14 { s$d $seg A5 }
+ 20 { s$d $seg A6 }
+ 1a { s$d $seg A4 }
+ 10 { s$d $seg A2 }
+ 03 { s$d $seg X1 }
+ 05 { s$d $seg X3 }
+ 16 { s$d $seg A3 }
+ 1c { s$d $seg A1 }
+ 08 { s$d $seg X2 }
+ 0b { s$d $seg X4 }
}
}
+#proc pm_nodetect {seg} {
+# global segsasgot
+# if {![string compare $seg [lindex $segsasgot 1]]} {
+# set segsasgot [list [lindex $segsasgot 1] [lindex $segsasgot 0]]
+# }
+#}
+
proc pm_detect {seg} {
global segs pname segsasgot
if {[string compare $seg [lindex $segsasgot 1]]} {
set segs $segsasgot
}
debug "pm_detect $seg ($segsasgot) ($segs) $pname$seg"
+# if {[lsearch -exact {
+# 06 09 0a 04 02 07 14 20
+# 0b 08 1c 16
+# 1a 10 03 05
+# } $seg] < 0} return
switch -exact $pname$seg {
l16 - l1c - l08 - l0b { polarity y }
l10 - l1a - l03 - l05 { polarity x }
20 { pt_ifthenmust "42 43 A6" 1 "02 03 A5" 1 }
}
switch -exact [join $segs -] {
- 02-07 { pt_maybe "00 01 X7" 0 }
- 07-02 { pt_maybe "02 03 A5" 1 }
- 09-06 { pt_maybe "40 41 X8" 1 }
- 06-09 { pt_maybe "42 43 A6" 0 }
+ 02-07 { pt_maybe "02 03 A5" 1 }
+ 07-02 { pt_maybe "00 01 X7" 0 }
+ 09-06 { pt_maybe "42 43 A6" 0 }
+ 06-09 { pt_maybe "40 41 X8" 1 }
}
}
proc tellnmra {m} {
- global nmrawhich speeddirn funcs
- set m 0x$m
- for {set i 0} {$i < $m} {incr i} {
- tellpic_q [lindex [list $speeddirn $funcs] $nmrawhich]
- set nmrawhich [expr {!$nmrawhich}]
- }
+# global nmrawhich speeddirn funcs
+# set m 0x$m
+# for {set i 0} {$i < $m} {incr i} {
+# tellpic_q [lindex [list $speeddirn $funcs] $nmrawhich]
+# set nmrawhich [expr {!$nmrawhich}]
+# }
}
proc watchdog {} {
- global watchdog testonly
+ global watchdog testonly speeddirn funcs nmradiv
catch { after cancel $watchdog }
set watchdog [after 50 watchdog]
tellpic_q 9808 ;# 128ms
+ if {[incr nmradiv] > 35} {
+ tellpic_q $speeddirn$funcs
+ set nmradiv 0
+ }
}
proc pm_hello {} {
debug "got hello, starting up"
- tellpic 21
+ tellpic 11
gui "P 1"
watchdog
changewhat
}
proc frompic {m} {
+ set v [lindex $m 1]
switch -glob [lindex $m 0] {
01 - 02 { tellnmra $m }
09 { fp $m; pm_hello }
07 { puts "short circuit"; exit 1 }
+ 0d { fp $m; badwatchdog }
28 { fp $m; pm_charged }
- 9[0-7] { fp $m; pm_maydetect 0 [lindex $m 1] }
- 9? { fp $m; pm_detect [lindex $m 1]; pm_maydetect 1 [lindex $m 1] }
+ 9[0-7] { fp $m; pm_maydetect 0 $v }
+ 9? { fp $m; pm_maydetect 1 $v }
0a - [234567]? { puts "pic debug $m" }
* { fp $m; fail "pic unknown $m" }
}
}
proc onreadp {} {
- global p m
+ global p m rand
while 1 {
set c [read $p 1]
if {![string length $c]} {
return
}
binary scan $c H* x
+ if {![info exists rand]} {
+ fp ...$x
+ return
+ }
lappend m $x
if {[regexp {^[0-7]} $x]} {
if {![regexp {^x} $m]} {
}
proc newspeeddirn {} {
+ global loco
set b1 0x[randbyte]
set speed [expr {round(($b1 * $b1) / 65535.0 * 100.0 + 26.0)}]
set b2 0x[randbyte]
set dirn [expr {$b2 / 128}]
+ set dirn 0
debug "speeddirn b1=$b1 speed=$speed b2=$b2 dirn=$dirn"
- return "speed126 2 $speed $dirn"
+ return "speed126 $loco $speed $dirn"
+}
+
+proc funcs_removebits {lr headent} {
+ global funcsval
+ set funcsval [format 0x%x [expr {$funcsval & ~$headent}]]
+}
+proc funcs_addbits {lr list} {
+ global loco funcsval
+ set headent [lindex $list 0]
+ set val $funcsval
+ set add $headent
+ if {$add & 0x02} {
+ set rand 0x[randbyte]0
+ set add [expr {$add & $rand}]
+ set val [expr {$val | $add}]
+ debug "funcs $lr v=$funcsval add=$add new=$val rand=$rand ($list)"
+ } else {
+ set val [expr {$val | $add}]
+ debug "funcs $lr v=$funcsval add=$add new=$val ($list)"
+ }
+ set funcsval $val
+}
+
+proc funcsnmralist {} {
+ global loco funcsval
+ return "funcs5to8 $loco $funcsval"
}
proc newfuncs {} {
- set b3 0x[randbyte]
- set value [expr {($b3 & 127) * 16}]
- debug "funcs b3=$b3 value=[format %x $value]"
- return "funcs5to8 2 $value"
+ global loco funcsval
+ foreach lr {l r} {
+ upvar #0 funcs${lr}${loco} list
+ set now [lindex $list 0]
+ funcs_removebits $lr $now
+ funcs_addbits $lr $list
+ }
+ return [funcsnmralist]
+}
+
+proc nmrachange {thing argstring} {
+ global $thing
+ set bin [eval exec ./hostside-old -s/dev/stdout $argstring]
+ binary scan $bin H* x
+ debug "changed $thing=$x ($argstring)"
+ set $thing ff$x
}
-proc maybechange {thing} {
+proc maybechange {thing force} {
global $thing ch
upvar #0 ${thing}_fixed fixed
if {![info exists fixed]} {
- set rb 0x[randbyte][randbyte]
- if {
- $rb / 65536.0 >
- 1.0 / (($ch(${thing}every) - $ch(minint)*0.001) * $ch(scale))
- } {
- debug "maybechange $thing rb=$rb no"
- return 0
+ if {$force} {
+ debug "maybechange $thing forced ..."
+ } else {
+ set rb 0x[randbyte][randbyte]
+ if {
+ $rb / 65536.0 >
+ 1.0 / (($ch(${thing}every) - $ch(minint)*0.001) * $ch(scale))
+ } {
+ debug "maybechange $thing rb=$rb no"
+ return 0
+ }
+ debug "maybechange $thing rb=$rb yes ..."
}
- debug "maybechange $thing rb=$rb yes ..."
set l [new$thing]
} else {
debug "fixed $thing $fixed"
set l $fixed
+ if {![llength $l]} { return 0 }
}
- set bin [eval exec ./hostside-old -s/dev/stdout $l]
- binary scan $bin H* x
- debug "changed $thing=$x"
- set $thing ff$x
+ nmrachange $thing $l
return 1
}
proc changewhat {} {
global ch chwa
catch { after cancel $chwa }
- if {[maybechange speeddirn] || [maybechange funcs]} {
+ if {[maybechange speeddirn 0] + [maybechange funcs 0]} {
set interval $ch(minint)
} else {
set interval 1000
set chwa [after $interval changewhat]
}
+proc onreadcmd {} {
+ if {[gets stdin l] < 0} {
+ if {[eof stdin]} {
+ puts "GUI exit 0"
+ fail "stopgap-controller got eof, quitting"
+ fileevent stdin readable {}
+ }
+ return
+ }
+ eval $l
+}
+
proc setup {} {
- global port p rand testonly
+ global port p testonly stateshowpipe
+ fconfigure stdout -buffering none
if {!$testonly} {
set p [open $port {RDWR NONBLOCK} 0]
-blocking false -buffering none
fileevent $p readable onreadp
+ fconfigure stdin -blocking false
+ fileevent stdin readable onreadcmd
+ set stateshowpipe [open /tmp/train-state w]
+ fconfigure $stateshowpipe -buffering none
} else {
set p stdin
fconfigure stdin -blocking false
fileevent stdin readable onreadp_test
+ set stateshowpipe [open /dev/null w]
}
+ after 250 setup_complete
+}
+
+proc setup_complete {} {
+ global rand
+ exec xset s off
set rand [open /dev/urandom {RDONLY} 0]
fconfigure $rand -encoding binary -translation binary
+ tellpic 0a
+}
+
+#----------
+# for keyboard control
+
+proc updownfromlist {wholelistv ixv updown} {
+ upvar #0 $wholelistv wholelist
+ upvar #0 $ixv ix
+ set ll [llength $wholelist]
+ if {![info exists ix]} {
+ set old ?
+ set ix [expr {
+ int($ll * 0.5 - 0.5 + 0.5 * $updown)
+ }]
+ } else {
+ set old $ix
+ incr ix $updown
+ if {$ix < 0} { set ix 0 }
+ if {$ix >= $ll} { set ix [expr {$ll - 1}] }
+ }
+ set val [lindex $wholelist $ix]
+ debug "updownfromlist ix:$old->$ix /$ll $val ($wholelist)"
+ return $val
+}
+
+proc ask_speed {updown} {
+ global speeddirn_fixed loco
+ set speed [updownfromlist askspeeds askspeedix $updown]
+ set speeddirn_fixed [list speed126 $loco $speed 0]
+ maybechange speeddirn 1
+}
+
+proc ask_randspeed {} {
+ global speeddirn_fixed askspeedix
+ catch { unset speeddirn_fixed }
+ catch { unset askspeedix }
+ maybechange speeddirn 1
+}
+
+proc ask_funcs {lr} {
+ global loco
+ upvar #0 funcs${lr}${loco} list
+ set now [lindex $list 0]
+ funcs_removebits $lr $now
+ set list [concat [lrange $list 1 end] $now]
+ funcs_addbits $lr $list
+ nmrachange funcs [funcsnmralist]
+}
+
+proc ask_pointprob {updown} {
+ global pointprob
+ set pointprob [updownfromlist pointprobs pointprobix $updown]
+}
+
+proc ask_pointrelabs {} {
+ global pointabs
+ set pointabs [expr {!$pointabs}]
+}
+
+proc ask_show {} {
+ global loco stateshowpipe pointprob pointabs askspeedix
+ upvar #0 funcsr$loco fr
+ upvar #0 funcsl$loco fl
+ if {[info exists askspeedix]} { set spd $askspeedix } { set spd r }
+ puts -nonewline $stateshowpipe [format \
+ "\nL$loco P%03x%s F%03x S%s" \
+ $pointprob [lindex {R A} $pointabs] \
+ [expr {[lindex $fr 0] | [lindex $fl 0]}] \
+ $spd]
}
setup
gui_init
+ask_show
vwait end
~ijackson / trains.git / blobdiff