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ardupilot/Tools/CHDK-Scripts/kap_uav.lua

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CHDK-Scripts : initial commit
2014-09-09 22:14:43 -03:00
--[[
KAP UAV Exposure Control Script v3.1
-- Released under GPL by waterwingz and wayback/peabody
http://chdk.wikia.com/wiki/KAP_%26_UAV_Exposure_Control_Script
@title KAP UAV 3.1
@param i Shot Interval (sec)
@default i 15
@range i 2 120
@param s Total Shots (0=infinite)
@default s 0
@range s 0 10000
@param j Power off when done?
@default j 0
@range j 0 1
@param e Exposure Comp (stops)
@default e 6
@values e -2.0 -1.66 -1.33 -1.0 -0.66 -0.33 0.0 0.33 0.66 1.00 1.33 1.66 2.00
@param d Start Delay Time (sec)
@default d 0
@range d 0 10000
@param y Tv Min (sec)
@default y 0
@values y None 1/60 1/100 1/200 1/400 1/640
@param t Target Tv (sec)
@default t 5
@values t 1/100 1/200 1/400 1/640 1/800 1/1000 1/1250 1/1600 1/2000
@param x Tv Max (sec)
@default x 3
@values x 1/1000 1/1250 1/1600 1/2000 1/5000 1/10000
@param f Av Low(f-stop)
@default f 4
@values f 1.8 2.0 2.2 2.6 2.8 3.2 3.5 4.0 4.5 5.0 5.6 6.3 7.1 8.0
@param a Av Target (f-stop)
@default a 7
@values a 1.8 2.0 2.2 2.6 2.8 3.2 3.5 4.0 4.5 5.0 5.6 6.3 7.1 8.0
@param m Av Max (f-stop)
@default m 13
@values m 1.8 2.0 2.2 2.6 2.8 3.2 3.5 4.0 4.5 5.0 5.6 6.3 7.1 8.0
@param p ISO Min
@default p 1
@values p 80 100 200 400 800 1250 1600
@param q ISO Max1
@default q 2
@values q 100 200 400 800 1250 1600
@param r ISO Max2
@default r 3
@values r 100 200 400 800 1250 1600
@param n Allow use of ND filter?
@default n 1
@values n No Yes
@param z Zoom position
@default z 0
@values z Off 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
@param c Focus @ Infinity Mode
@default c 0
@values c None @Shot AFL MF
@param v Video Interleave (shots)
@default v 0
@values v Off 1 5 10 25 50 100
@param w Video Duration (sec)
@default w 10
@range w 5 300
@param u USB Shot Control?
@default u 0
@values u None On/Off OneShot PWM
@param b Backlight Off?
@default b 0
@range b 0 1
@param l Logging
@default l 3
@values l Off Screen SDCard Both
--]]
props=require("propcase")
capmode=require("capmode")
-- convert user parameter to usable variable names and values
tv_table = { -320, 576, 640, 736, 832, 896, 928, 960, 992, 1024, 1056, 1180, 1276}
tv96target = tv_table[t+3]
tv96max = tv_table[x+8]
tv96min = tv_table[y+1]
sv_table = { 381, 411, 507, 603, 699, 761, 795 }
sv96min = sv_table[p+1]
sv96max1 = sv_table[q+2]
sv96max2 = sv_table[r+2]
av_table = { 171, 192, 218, 265, 285, 322, 347, 384, 417, 446, 477, 510, 543, 576 }
av96target = av_table[a+1]
av96minimum = av_table[f+1]
av96max = av_table[m+1]
ec96adjust = (e - 6)*32
video_table = { 0, 1, 5, 10, 25, 50, 100 }
video_mode = video_table[v+1]
video_duration = w
interval = i*1000
max_shots = s
poff_if_done = j
start_delay = d
backlight = b
log_mode= l
focus_mode = c
usb_mode = u
if ( z==0 ) then zoom_setpoint = nil else zoom_setpoint = (z-1)*10 end
-- initial configuration values
nd96offset=3*96 -- ND filter's number of equivalent f-stops (f * 96)
infx = 50000 -- focus lock distance in mm (approximately 55 yards)
shot_count = 0 -- shot counter
blite_timer = 300 -- backlight off delay in 100mSec increments
old_console_timeout = get_config_value( 297 )
shot_request = false -- pwm mode flag to request a shot be taken
-- check camera Av configuration ( variable aperture and/or ND filter )
if n==0 then -- use of nd filter allowed?
if get_nd_present()==1 then -- check for ND filter only
Av_mode = 0 -- 0 = ND disabled and no iris available
else
Av_mode = 1 -- 1 = ND disabled and iris available
end
else
Av_mode = get_nd_present()+1 -- 1 = iris only , 2=ND filter only, 3= both ND & iris
end
function printf(...)
if ( log_mode == 0) then return end
local str=string.format(...)
if (( log_mode == 1) or (log_mode == 3)) then print(str) end
if ( log_mode > 1 ) then
local logname="A/KAP.log"
log=io.open(logname,"a")
log:write(os.date("%Y%b%d %X ")..string.format(...),"\n")
log:close()
end
end
tv_ref = { -- note : tv_ref values set 1/2 way between shutter speed values
-608, -560, -528, -496, -464, -432, -400, -368, -336, -304,
-272, -240, -208, -176, -144, -112, -80, -48, -16, 16,
48, 80, 112, 144, 176, 208, 240, 272, 304, 336,
368, 400, 432, 464, 496, 528, 560, 592, 624, 656,
688, 720, 752, 784, 816, 848, 880, 912, 944, 976,
1008, 1040, 1072, 1096, 1129, 1169, 1192, 1225, 1265, 1376 }
tv_str = {
">64",
"64", "50", "40", "32", "25", "20", "16", "12", "10", "8.0",
"6.0", "5.0", "4.0", "3.2", "2.5", "2.0", "1.6", "1.3", "1.0", "0.8",
"0.6", "0.5", "0.4", "0.3", "1/4", "1/5", "1/6", "1/8", "1/10", "1/13",
"1/15", "1/20", "1/25", "1/30", "1/40", "1/50", "1/60", "1/80", "1/100", "1/125",
"1/160", "1/200", "1/250", "1/320", "1/400", "1/500", "1/640", "1/800", "1/1000","1/1250",
"1/1600","1/2000","1/2500","1/3200","1/4000","1/5000","1/6400","1/8000","1/10000","hi" }
function print_tv(val)
if ( val == nil ) then return("-") end
local i = 1
while (i <= #tv_ref) and (val > tv_ref[i]) do i=i+1 end
return tv_str[i]
end
av_ref = { 160, 176, 208, 243, 275, 304, 336, 368, 400, 432, 464, 480, 496, 512, 544, 592, 624, 656, 688, 720, 752, 784 }
av_str = {"n/a","1.8", "2.0","2.2","2.6","2.8","3.2","3.5","4.0","4.5","5.0","5.6","5.9","6.3","7.1","8.0","9.0","10.0","11.0","13.0","14.0","16.0","hi"}
function print_av(val)
if ( val == nil ) then return("-") end
local i = 1
while (i <= #av_ref) and (val > av_ref[i]) do i=i+1 end
return av_str[i]
end
sv_ref = { 370, 397, 424, 456, 492, 523, 555, 588, 619, 651, 684, 731, 779, 843, 907 }
sv_str = {"n/a","80","100","120","160","200","250","320","400","500","640","800","1250","1600","3200","hi"}
function print_sv(val)
if ( val == nil ) then return("-") end
local i = 1
while (i <= #sv_ref) and (val > sv_ref[i]) do i=i+1 end
return sv_str[i]
end
function pline(message, line) -- print line function
fg = 258 bg=259
end
-- switch between shooting and playback modes
function switch_mode( m )
if ( m == 1 ) then
if ( get_mode() == false ) then
set_record(1) -- switch to shooting mode
while ( get_mode() == false ) do
sleep(100)
end
sleep(1000)
end
else
if ( get_mode() == true ) then
set_record(0) -- switch to playback mode
while ( get_mode() == true ) do
sleep(100)
end
sleep(1000)
end
end
end
-- focus lock and unlock
function lock_focus()
if (focus_mode > 1) then -- focus mode requested ?
if ( focus_mode == 2 ) then -- method 1 : set_aflock() command enables MF
if (chdk_version==120) then
set_aflock(1)
set_prop(props.AF_LOCK,1)
else
set_aflock(1)
end
if (get_prop(props.AF_LOCK) == 1) then printf(" AFL enabled") else printf(" AFL failed ***") end
else -- mf mode requested
if (chdk_version==120) then -- CHDK 1.2.0 : call event proc or levents to try and enable MF mode
if call_event_proc("SS.Create") ~= -1 then
if call_event_proc("SS.MFOn") == -1 then
call_event_proc("PT_MFOn")
end
elseif call_event_proc("RegisterShootSeqEvent") ~= -1 then
if call_event_proc("PT_MFOn") == -1 then
call_event_proc("MFOn")
end
end
if (get_prop(props.FOCUS_MODE) == 0 ) then -- MF not set - try levent PressSw1AndMF
post_levent_for_npt("PressSw1AndMF")
sleep(500)
end
elseif (chdk_version >= 130) then -- CHDK 1.3.0 : set_mf()
if ( set_mf(1) == 0 ) then set_aflock(1) end -- as a fall back, try setting AFL is set_mf fails
end
if (get_prop(props.FOCUS_MODE) == 1) then printf(" MF enabled") else printf(" MF enable failed ***") end
end
sleep(1000)
set_focus(infx)
sleep(1000)
end
end
function unlock_focus()
if (focus_mode > 1) then -- focus mode requested ?
if (focus_mode == 2 ) then -- method 1 : AFL
if (chdk_version==120) then
set_aflock(0)
set_prop(props.AF_LOCK,0)
else
set_aflock(0)
end
if (get_prop(props.AF_LOCK) == 0) then printf(" AFL unlocked") else printf(" AFL unlock failed") end
else -- mf mode requested
if (chdk_version==120) then -- CHDK 1.2.0 : call event proc or levents to try and enable MF mode
if call_event_proc("SS.Create") ~= -1 then
if call_event_proc("SS.MFOff") == -1 then
call_event_proc("PT_MFOff")
end
elseif call_event_proc("RegisterShootSeqEvent") ~= -1 then
if call_event_proc("PT_MFOff") == -1 then
call_event_proc("MFOff")
end
end
if (get_prop(props.FOCUS_MODE) == 1 ) then -- MF not reset - try levent PressSw1AndMF
post_levent_for_npt("PressSw1AndMF")
sleep(500)
end
elseif (chdk_version >= 130) then -- CHDK 1.3.0 : set_mf()
if ( set_mf(0) == 0 ) then set_aflock(0) end -- fall back so reset AFL is set_mf fails
end
if (get_prop(props.FOCUS_MODE) == 0) then printf(" MF disabled") else printf(" MF disable failed") end
end
sleep(100)
end
end
-- zoom position
function update_zoom(zpos)
local count = 0
if(zpos ~= nil) then
zstep=((get_zoom_steps()-1)*zpos)/100
printf("setting zoom to "..zpos.." percent step="..zstep)
sleep(200)
set_zoom(zstep)
sleep(2000)
press("shoot_half")
repeat
sleep(100)
count = count + 1
until (get_shooting() == true ) or (count > 40 )
release("shoot_half")
end
end
-- restore camera settings on shutdown
function restore()
set_config_value(121,0) -- USB remote disable
set_config_value(297,old_console_timeout) -- restore console timeout value
if (backlight==1) then set_lcd_display(1) end -- display on
unlock_focus()
if( zoom_setpoint ~= nil ) then update_zoom(0) end
if( shot_count >= max_shots) and ( max_shots > 1) then
if ( poff_if_done == 1 ) then -- did script ending because # of shots done ?
printf("power off - shot count at limit") -- complete power down
sleep(2000)
post_levent_to_ui('PressPowerButton')
else
set_record(0) end -- just retract lens
end
end
-- Video mode
function check_video(shot)
local capture_mode
if ((video_mode>0) and(shot>0) and (shot%video_mode == 0)) then
unlock_focus()
printf("Video mode started. Button:"..tostring(video_button))
if( video_button ) then
click "video"
else
capture_mode=capmode.get()
capmode.set('VIDEO_STD')
press("shoot_full")
sleep(300)
release("shoot_full")
end
local end_second = get_day_seconds() + video_duration
repeat
wait_click(500)
until (is_key("menu")) or (get_day_seconds() > end_second)
if( video_button ) then
click "video"
else
press("shoot_full")
sleep(300)
release("shoot_full")
capmode.set(capture_mode)
end
printf("Video mode finished.")
sleep(1000)
lock_focus()
return(true)
else
return(false)
end
end
-- PWM USB pulse functions
function ch1up()
printf(" * usb pulse = ch1up")
shot_request = true
end
function ch1mid()
printf(" * usb pulse = ch1mid")
if ( get_mode() == false ) then
switch_mode(1)
lock_focus()
end
end
function ch1down()
printf(" * usb pulse = ch1down")
switch_mode(0)
end
function ch2up()
printf(" * usb pulse = ch2up")
update_zoom(100)
end
function ch2mid()
printf(" * usb pulse = ch2mid")
if ( zoom_setpoint ~= nil ) then update_zoom(zoom_setpoint) else update_zoom(50) end
end
function ch2down()
printf(" * usb pulse = ch2down")
update_zoom(0)
end
function pwm_mode(pulse_width)
if pulse_width > 0 then
if pulse_width < 5 then ch1up()
elseif pulse_width < 8 then ch1mid()
elseif pulse_width < 11 then ch1down()
elseif pulse_width < 14 then ch2up()
elseif pulse_width < 17 then ch2mid()
elseif pulse_width < 20 then ch2down()
else printf(" * usb pulse width error") end
end
end
-- Basic exposure calculation using shutter speed and ISO only
-- called for Tv-only and ND-only cameras (cameras without an iris)
function basic_tv_calc()
tv96setpoint = tv96target
av96setpoint = nil
local min_av = get_prop(props.MIN_AV)
-- calculate required ISO setting
sv96setpoint = tv96setpoint + min_av - bv96meter
-- low ambient light ?
if (sv96setpoint > sv96max2 ) then -- check if required ISO setting is too high
sv96setpoint = sv96max2 -- clamp at max2 ISO if so
tv96setpoint = math.max(bv96meter+sv96setpoint-min_av,tv96min) -- recalculate required shutter speed down to Tv min
-- high ambient light ?
elseif (sv96setpoint < sv96min ) then -- check if required ISO setting is too low
sv96setpoint = sv96min -- clamp at minimum ISO setting if so
tv96setpoint = bv96meter + sv96setpoint - min_av -- recalculate required shutter speed and hope for the best
end
end
-- Basic exposure calculation using shutter speed, iris and ISO
-- called for iris-only and "both" cameras (cameras with an iris & ND filter)
function basic_iris_calc()
tv96setpoint = tv96target
av96setpoint = av96target
-- calculate required ISO setting
sv96setpoint = tv96setpoint + av96setpoint - bv96meter
-- low ambient light ?
if (sv96setpoint > sv96max1 ) then -- check if required ISO setting is too high
sv96setpoint = sv96max1 -- clamp at first ISO limit
av96setpoint = bv96meter + sv96setpoint - tv96setpoint -- calculate new aperture setting
if ( av96setpoint < av96min ) then -- check if new setting is goes below lowest f-stop
av96setpoint = av96min -- clamp at lowest f-stop
sv96setpoint = tv96setpoint + av96setpoint - bv96meter -- recalculate ISO setting
if (sv96setpoint > sv96max2 ) then -- check if the result is above max2 ISO
sv96setpoint = sv96max2 -- clamp at highest ISO setting if so
tv96setpoint = math.max(bv96meter+sv96setpoint-av96setpoint,tv96min) -- recalculate required shutter speed down to tv minimum
end
end
-- high ambient light ?
elseif (sv96setpoint < sv96min ) then -- check if required ISO setting is too low
sv96setpoint = sv96min -- clamp at minimum ISO setting if so
tv96setpoint = bv96meter + sv96setpoint - av96setpoint -- recalculate required shutter speed
if (tv96setpoint > tv96max ) then -- check if shutter speed now too fast
tv96setpoint = tv96max -- clamp at maximum shutter speed if so
av96setpoint = bv96meter + sv96setpoint - tv96setpoint -- calculate new aperture setting
if ( av96setpoint > av96max ) then -- check if new setting is goes above highest f-stop
av96setpoint = av96max -- clamp at highest f-stop
tv96setpoint = bv96meter + sv96setpoint - av96setpoint -- recalculate shutter speed needed and hope for the best
end
end
end
end
-- calculate exposure for cams without adjustable iris or ND filter
function exposure_Tv_only()
insert_ND_filter = nil
basic_tv_calc()
end
-- calculate exposure for cams with ND filter only
function exposure_NDfilter()
insert_ND_filter = false
basic_tv_calc()
if (tv96setpoint > tv96max ) then -- check if shutter speed now too fast
insert_ND_filter = true -- flag the ND filter to be inserted
bv96meter = bv96meter - nd96offset -- adjust meter for ND offset
basic_tv_calc() -- start over, but with new meter value
bv96meter = bv96meter + nd96offset -- restore meter for later logging
end
end
-- calculate exposure for cams with adjustable iris only
function exposure_iris()
insert_ND_filter = nil
basic_iris_calc()
end
-- calculate exposure for cams with both adjustable iris and ND filter
function exposure_both()
insert_ND_filter = false -- NOTE : assume ND filter never used automatically by Canon firmware
basic_iris_calc()
if (tv96setpoint > tv96max ) then -- check if shutter speed now too fast
insert_ND_filter = true -- flag the ND filter to be inserted
bv96meter = bv96meter - nd96offset -- adjust meter for ND offset
basic_iris_calc() -- start over, but with new meter value
bv96meter = bv96meter + nd96offset -- restore meter for later logging
end
end
-- ========================== Main Program =================================
set_console_layout(1 ,1, 45, 14 )
printf("KAP 3.1 started - press MENU to exit")
bi=get_buildinfo()
printf("%s %s-%s %s %s %s", bi.version, bi.build_number, bi.build_revision, bi.platform, bi.platsub, bi.build_date)
chdk_version= tonumber(string.sub(bi.build_number,1,1))*100 + tonumber(string.sub(bi.build_number,3,3))*10 + tonumber(string.sub(bi.build_number,5,5))
if ( tonumber(bi.build_revision) > 0 ) then
build = tonumber(bi.build_revision)
else
build = tonumber(string.match(bi.build_number,'-(%d+)$'))
end
if ((chdk_version<120) or ((chdk_version==120)and(build<3276)) or ((chdk_version==130)and(build<3383))) then
printf("CHDK 1.2.0 build 3276 or higher required")
else
if( props.CONTINUOUS_AF == nil ) then caf=-999 else caf = get_prop(props.CONTINUOUS_AF) end
if( props.SERVO_AF == nil ) then saf=-999 else saf = get_prop(props.SERVO_AF) end
cmode = capmode.get_name()
printf("Mode:%s,Continuous_AF:%d,Servo_AF:%d", cmode,caf,saf)
printf(" Tv:"..print_tv(tv96target).." max:"..print_tv(tv96max).." min:"..print_tv(tv96min).." ecomp:"..(ec96adjust/96).."."..(math.abs(ec96adjust*10/96)%10) )
printf(" Av:"..print_av(av96target).." minAv:"..print_av(av96minimum).." maxAv:"..print_av(av96max) )
printf(" ISOmin:"..print_sv(sv96min).." ISO1:"..print_sv(sv96max1).." ISO2:"..print_sv(sv96max2) )
printf(" MF mode:"..focus_mode.." Video:"..video_mode.." USB:"..usb_mode)
printf(" AvM:"..Av_mode.." int:"..(interval/1000).." Shts:"..max_shots.." Dly:"..start_delay.." B/L:"..backlight)
sleep(500)
if (start_delay > 0 ) then
printf("entering start delay of ".. start_delay.." seconds")
sleep( start_delay*1000 )
end
-- enable USB remote in USB remote moded
if (usb_mode > 0 ) then
set_config_value(121,1) -- make sure USB remote is enabled
if (get_usb_power(1) == 0) then -- can we start ?
printf("waiting on USB signal")
repeat wait_click(20) until ((get_usb_power(1) == 1) or ( is_key("menu")))
else sleep(1000) end
printf("USB signal received")
end
-- switch to shooting mode
switch_mode(1)
-- set zoom position
update_zoom(zoom_setpoint)
-- lock focus at infinity
lock_focus()
-- disable flash and AF assist lamp
set_prop(props.FLASH_MODE, 2) -- flash off
set_prop(props.AF_ASSIST_BEAM,0) -- AF assist off if supported for this camera
set_config_value( 297, 60) -- set console timeout to 60 seconds
if (usb_mode > 2 ) then repeat until (get_usb_power(2) == 0 ) end -- flush pulse buffer
next_shot_time = get_tick_count()
script_exit = false
if( get_video_button() == 1) then video_button = true else video_button = false end
set_console_layout(2 ,0, 45, 4 )
repeat
if( ( (usb_mode < 2 ) and ( next_shot_time <= get_tick_count() ) )
or ( (usb_mode == 2 ) and (get_usb_power(2) > 0 ) )
or ( (usb_mode == 3 ) and (shot_request == true ) ) ) then
-- time to insert a video sequence ?
if( check_video(shot_count) == true) then next_shot_time = get_tick_count() end
-- intervalometer timing
next_shot_time = next_shot_time + interval
Global: Fix typos
2016-09-16 22:43:32 -03:00
-- set focus at infinity ? (maybe redundant for AFL & MF mode but makes sure it's set right)
CHDK-Scripts : initial commit
2014-09-09 22:14:43 -03:00
if (focus_mode > 0) then
set_focus(infx)
sleep(100)
end
-- check exposure
local count = 0
local timeout = false
press("shoot_half")
repeat
sleep(50)
count = count + 1
if (count > 40 ) then timeout = true end
until (get_shooting() == true ) or (timeout == true)
-- shoot in auto mode if meter reading invalid, else calculate new desired exposure
if ( timeout == true ) then
release("shoot_half")
repeat sleep(50) until get_shooting() == false
shoot() -- shoot in Canon auto mode if we don't have a valid meter reading
shot_count = shot_count + 1
printf(string.format('IMG_%04d.JPG',get_exp_count()).." : shot in auto mode, meter reading invalid")
else
-- get meter reading values (and add in exposure compensation)
bv96raw=get_bv96()
bv96meter=bv96raw-ec96adjust
tv96meter=get_tv96()
av96meter=get_av96()
sv96meter=get_sv96()
-- set minimum Av to larger of user input or current min for zoom setting
av96min= math.max(av96minimum,get_prop(props.MIN_AV))
if (av96target < av96min) then av96target = av96min end
-- calculate required setting for current ambient light conditions
if (Av_mode == 1) then exposure_iris()
elseif (Av_mode == 2) then exposure_NDfilter()
elseif (Av_mode == 3) then exposure_both()
else exposure_Tv_only()
end
-- set up all exposure overrides
set_tv96_direct(tv96setpoint)
set_sv96(sv96setpoint)
if( av96setpoint ~= nil) then set_av96_direct(av96setpoint) end
if(Av_mode > 1) and (insert_ND_filter == true) then -- ND filter available and needed?
set_nd_filter(1) -- activate the ND filter
nd_string="NDin"
else
set_nd_filter(2) -- make sure the ND filter does not activate
nd_string="NDout"
end
-- and finally shoot the image
press("shoot_full_only")
sleep(100)
release("shoot_full")
repeat sleep(50) until get_shooting() == false
shot_count = shot_count + 1
-- update shooting statistic and log as required
shot_focus=get_focus()
if(shot_focus ~= -1) and (shot_focus < 20000) then
focus_string=" foc:"..(shot_focus/1000).."."..(((shot_focus%1000)+50)/100).."m"
if(focus_mode>0) then
error_string=" **WARNING : focus not at infinity**"
end
else
focus_string=" foc:infinity"
error_string=nil
end
printf(string.format('%d) IMG_%04d.JPG',shot_count,get_exp_count()))
printf(" meter : Tv:".. print_tv(tv96meter) .." Av:".. print_av(av96meter) .." Sv:"..print_sv(sv96meter).." "..bv96raw ..":"..bv96meter)
printf(" actual: Tv:".. print_tv(tv96setpoint).." Av:".. print_av(av96setpoint).." Sv:"..print_sv(sv96setpoint))
printf(" AvMin:".. print_av(av96min).." NDF:"..nd_string..focus_string )
if ((max_shots>0) and (shot_count >= max_shots)) then script_exit = true end
shot_request = false -- reset shot request flag
end
collectgarbage()
end
-- check if USB remote enabled in intervalometer mode and USB power is off -> pause if so
if ((usb_mode == 1 ) and (get_usb_power(1) == 0)) then
printf("waiting on USB signal")
unlock_focus()
switch_mode(0)
repeat wait_click(20) until ((get_usb_power(1) == 1) or ( is_key("menu")))
switch_mode(1)
lock_focus()
if ( is_key("menu")) then script_exit = true end
printf("USB wait finished")
sleep(100)
end
if (usb_mode == 3 ) then pwm_mode(get_usb_power(2)) end
if (blite_timer > 0) then
blite_timer = blite_timer-1
if ((blite_timer==0) and (backlight==1)) then set_lcd_display(0) end
end
if( error_string ~= nil) then
draw_string( 16, 144, string.sub(error_string.." ",0,42), 258, 259)
end
wait_click(100)
if( not( is_key("no_key"))) then
if ((blite_timer==0) and (backlight==1)) then set_lcd_display(1) end
blite_timer=300
if ( is_key("menu") ) then script_exit = true end
end
until (script_exit==true)
printf("script halt requested")
restore()
end
--[[ end of file ]]--