#!/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 ch(funcsevery) 10
-set ch(speeddirnevery) 12
+set ch(speeddirnevery) 30
set ch(scale) 1
set ch(minint) 5000
-# unset always
-# set always 0
+
+#unset pointasked
+# 0 1 (settings) M0 M1 (manual, settings) unset (random) M (manual)
+
set nmrawhich 0
set lastptchosen xx
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
+#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
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
- } else {
+ global pointasked lastptchosen
+ if {![info exists pointasked]} {
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=$x)"
+ } elseif {[regexp {^M([01])$} $pointasked dummy pos]} {
+ if {[lsearch -exact {40 02} [lindex $point 0]] >= 0} {
+ set pos [expr {!$pos}]
+ debug "chose point $point pos=$pos manual-rl"
+ } else {
+ debug "chose point $point pos=$pos manual-lr"
+ }
+ set pointasked M
+ } elseif {![string compare $pointasked M]} {
+ debug "leave point $point pos=$pos manual"
+ return
+ } else {
+ debug "fixed point $point pos=$pos"
+ set pos $pointasked
}
pt_must $point $pos
}
}
proc tellnmra {m} {
- global nmrawhich speeddirn funcs
- set m 0x$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
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 $v }
9? { fp $m; pm_maydetect 1 $v }
}
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} $m]} {
set speed [expr {round(($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 "funcs5to8 2 $value"
}
-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
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 $l
+}
+
proc setup {} {
- global port p rand testonly
+ global port p testonly
if {!$testonly} {
set p [open $port {RDWR NONBLOCK} 0]
-blocking false -buffering none
fileevent $p readable onreadp
+ fconfigure stdin -blocking false
+ fileevent stdin readable onreadcmd
} else {
set p stdin
fconfigure stdin -blocking false
fileevent stdin readable onreadp_test
}
+ after 250 setup_complete
+}
+
+proc setup_complete {} {
+ global rand
set rand [open /dev/urandom {RDONLY} 0]
fconfigure $rand -encoding binary -translation binary
+ tellpic 0a
}
+
+#----------
+# for keyboard control
+
+proc ask_speed_now {l} {
+ global speeddirn_fixed
+ set speeddirn_fixed $l
+ maybechange speeddirn 1
+}
+
+proc ask_fast {} { ask_speed_now {speed126 2 126 0} }
+proc ask_slow {} { ask_speed_now {speed126 2 10 0} }
+proc ask_randspeed {} {
+ global speeddirn_fixed; catch { unset speeddirn_fixed }
+ maybechange speeddirn 1
+}
+
+proc ask_manual {rightp} { global pointasked; set pointasked M$rightp }
+proc ask_figureeightt {} { global pointasked; set pointasked 0 }
+proc ask_loop {} { global pointasked; set pointasked 1 }
+proc ask_randpath {} { global pointasked; catch { unset pointasked } }
+
setup
gui_init
vwait end
~ijackson / trains.git / blobdiff