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fixed bug that caused excessive heat (#67)
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* fixed bug that caused excessive heat

* something besides the ir leds was still using current in the nightvision mode, was audible with the buildin mic :D
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@iothing @samtap
iothing authored and samtap committed Mar 20, 2017
1 parent 2392427 commit 47e320c
Showing 1 changed file with 12 additions and 8 deletions.
20 changes: 12 additions & 8 deletions data/usr/bin/fang-ir-control.sh
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Expand Up @@ -2,10 +2,11 @@

echo "IR script started"
# ir_init
gpio_ms1 -n 2 -m 1 -v 1
gpio_aud write 1 1 0
gpio_aud write 0 2 1
gpio_aud write 1 0 0
#gpio_ms1 -n 2 -m 1 -v 1 # this causes increased current flow
gpio_ms1 -n 2 -m 1 -v 0 # has something to do with the ir-cut/pass filter movement
gpio_aud write 1 1 0 # pin 1 is an output and is set to low, purpose unknown
gpio_aud write 0 2 1 # pin 2 is an input, the photoresistor
gpio_aud write 1 0 0 # pin 0 is an output and set to low, these are the ir-leds

sleep 3

Expand All @@ -19,17 +20,20 @@ do
then
if [ $IR_ON -eq 1 ]
then
gpio_ms1 -n 2 -m 1 -v 1
gpio_aud write 1 0 0
gpio_ms1 -n 2 -m 1 -v 1 # filter movement enabled
gpio_aud write 1 0 0 # disable ir led and latch the filter in the correct position
gpio_ms1 -n 2 -m 1 -v 0 # filter movement disabled
echo 0x40 > /proc/isp/filter/saturation
IR_ON=0
fi
else
if [ $IR_ON -eq 0 ]
then
echo 0x0 > /proc/isp/filter/saturation
gpio_aud write 1 0 1
gpio_ms1 -n 2 -m 1 -v 0
gpio_ms1 -n 2 -m 1 -v 0 # filter movement enabled
gpio_aud write 1 0 1 # enable ir led and latch the filter in the correct position
gpio_ms1 -n 2 -m 1 -v 1 # # filter movement disabled
echo 0x40 > /proc/isp/filter/saturation
IR_ON=1
fi
fi
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3 comments on commit 47e320c

@hybe022
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Thanks. this trick worked and camera is running cool now.

One problem is that the image is reddish/violet-ish when IR is ON / Night mode
Is there any way to fix it?

@davidjb
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@hybe022 This was fixed later by changing the saturation, see

fang-hacks/usr/bin/fang-ir-control.sh

Line 32 in 0d2913f

echo 0x0 > /proc/isp/filter/saturation

@ktecho
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@ktecho ktecho commented on 47e320c Aug 19, 2018

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@samtap Any chances you upload a new image so we can get latest fixes like this one? Thanks!

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