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Patrick Cook
Patrick Cook
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I'm trying to trigger "many" raspberries together, while using raspistill is only for testing, i'm wondering why taking a picture is so slow, i made a test and, at the same time as i hit enter on this command:

raspistill -o /home/pi/test55.jpg -ex sports --nopreviewraspistill -o /home/pi/test55.jpg -ex sports --nopreview

I start an iPhone chronometer in front of the camera. The result? 7 seconds, 09 (but sharp, so shutter speed etc was fine, i wasn't getting blurred number). What can i do for it to "not" take X seconds before taking the picture? I'm going to sync hundreds of RPI and i don't want some of them to take the picture at 4 and some other at 10 seconds so i'd like to understand just what is happening there.

I'm trying to trigger "many" raspberries together, while using raspistill is only for testing, i'm wondering why taking a picture is so slow, i made a test and, at the same time as i hit enter on this command:

raspistill -o /home/pi/test55.jpg -ex sports --nopreview

I start an iPhone chronometer in front of the camera. The result? 7 seconds, 09 (but sharp, so shutter speed etc was fine, i wasn't getting blurred number). What can i do for it to "not" take X seconds before taking the picture? I'm going to sync hundreds of RPI and i don't want some of them to take the picture at 4 and some other at 10 seconds so i'd like to understand just what is happening there.

I'm trying to trigger "many" raspberries together, while using raspistill is only for testing, i'm wondering why taking a picture is so slow, i made a test and, at the same time as i hit enter on this command:

raspistill -o /home/pi/test55.jpg -ex sports --nopreview

I start an iPhone chronometer in front of the camera. The result? 7 seconds, 09 (but sharp, so shutter speed etc was fine, i wasn't getting blurred number). What can i do for it to "not" take X seconds before taking the picture? I'm going to sync hundreds of RPI and i don't want some of them to take the picture at 4 and some other at 10 seconds so i'd like to understand just what is happening there.

Tweeted twitter.com/#!/StackRaspi/status/519156648833601536
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Ronan Thibaudau
Ronan Thibaudau
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Raspistill slow to trigger?

I'm trying to trigger "many" raspberries together, while using raspistill is only for testing, i'm wondering why taking a picture is so slow, i made a test and, at the same time as i hit enter on this command:

raspistill -o /home/pi/test55.jpg -ex sports --nopreview

I start an iPhone chronometer in front of the camera. The result? 7 seconds, 09 (but sharp, so shutter speed etc was fine, i wasn't getting blurred number). What can i do for it to "not" take X seconds before taking the picture? I'm going to sync hundreds of RPI and i don't want some of them to take the picture at 4 and some other at 10 seconds so i'd like to understand just what is happening there.