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Fix Pentax shutter speed calculations for older cameras #141

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merged 2 commits into from Jun 4, 2020
Merged

Fix Pentax shutter speed calculations for older cameras #141

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86ee608
Use pktriggermode method of calculate shutter_speed.
karlrees Apr 14, 2020
7f9549c
Merge remote-tracking branch 'upstream/master'
karlrees Jun 2, 2020
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15 changes: 13 additions & 2 deletions indi-pentax/pktriggercord_ccd.cpp
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Expand Up @@ -301,11 +301,22 @@ bool PkTriggerCordCCD::StartExposure(float duration)
}
PrimaryCCD.setExposureDuration(duration);
ExposureRequest = duration;
pslr_rational_t shutter_speed = {(int)(duration*100),100};
float F = duration;
pslr_rational_t shutter_speed;
if (F < 5) {
F = F * 10;
shutter_speed.denom = 10;
shutter_speed.nom = F;
} else {
shutter_speed.denom = 1;
shutter_speed.nom = F;
}
//pslr_rational_t shutter_speed = {(int)(duration*100),100};
//Doesn't look like we need to actually set the shutter speed in bulb mode
if ( status.exposure_mode != PSLR_GUI_EXPOSURE_MODE_B ) {
if (duration != (float)status.current_shutter_speed.nom/status.current_shutter_speed.denom)
if (duration != (float)status.current_shutter_speed.nom/status.current_shutter_speed.denom) {
pslr_set_shutter(device, shutter_speed);
}
}

if (autoFocusS[0].s == ISS_ON) pslr_focus(device);
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