Quote from: reyalp on 31 / January / 2012, 23:19:20Quote from: reyalp on 31 / January / 2012, 22:55:24his can happen if the camera is refusing to take the shot (for example, autofocus can't find anything to focus on or something like that). From IRC information, this theory is wrong because the camera takes the shot first. This implies it's not detecting the shot was completed, which seems more likely to be a bug in the port.I think its more an issue that he is setting both Enable Remote and Enable Syncable Remote. If the timing is not exact, some cameras get behind and miss the sync signal.
Quote from: reyalp on 31 / January / 2012, 22:55:24his can happen if the camera is refusing to take the shot (for example, autofocus can't find anything to focus on or something like that). From IRC information, this theory is wrong because the camera takes the shot first. This implies it's not detecting the shot was completed, which seems more likely to be a bug in the port.
his can happen if the camera is refusing to take the shot (for example, autofocus can't find anything to focus on or something like that).
press("shoot_half") sleep(500) b = get_bv96() print("Luminance ", b) release("shoot_half")
function get_bv() press("shoot_half") sleep(500) Bv = get_prop(34) printf("%d.%02d", Bv/100, math.abs(Bv) % 100) release("shoot_half")end
core/luascript.c: ----------------- static int luaCB_get_luminance( lua_State* L ) { lua_pushnumber( L, shooting_get_luminance() ); return 1; } Further down ------------ FUNC(get_luminance)
Using CHDK stable remote (V1.0.0d), I've gotten an RC switch to operate the shutter for stills, start & stop video, and wake up (a half press).
The remote shutter operation in V2 seems a little unpredictable.
I'm wondering if there is any work going on to get the Remote V2 in 1.1.0d for the A490 going so the remote ZOOM will function.
Attachment shows the hardware config. On the right side, the brown wire is ground (-), and the red wire is +5V and the yellow is a servo signal wire. On the left, black is ground (-) and red is USB power + (which connect to the correct connector pins). The USB spec for cable power is minimum 4.75V and maximum 5.25V, so I felt confident in using the radio control system's nominal +5 volts, expecting that Canon would design the camera to tolerate that range. (CHDK notes say 3V to 5V OK for the A490).
Remote parameter/s not set(as above) remote switch does not trigger shutter (screen goes dark momentarily and click is heard, but no image recorded)
Remote parameter/s set: remote enabled, as above First press on remote-> produces half press, (focus.exposure set only) 2nd press on remote-> produces full press (takes picture) - must do rapidly after first.
Enable Remote [ * ]---------- Synchable remote -------------Enable Synchable remote [ * ]Enable Synch [ ]Enable Synch Delay [ ]Synch Delay 0.1ns [100 ]Synch Delay 0.1ms [ 0 ]Enable Remote Zoom [ ]Zoom Time-out 0.1s [ 5 ]Remote parameter/s set: remote enabled, as above OSD small frame white First press on remote-> OSD small frame green 2nd press on remote-> display goes dark, 'busy' 10 sec delay, then photo
My statement was intended to be diplomatic and unfortunately unclear. I could not get camera to perform a half or full press with or without 'enable remote' checked or zoom functions checked.
The zoom 1 thru 5 pulse recognition described the the V2 docs would work great for me as long as it would recognition slow (relatively) 'manual' pulses (i.e. 1 sec or so).
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