add random video feature

poll_button.sh

@@ -50,6 +50,22 @@ while true; do
 		sleep $buttonpolling
 	done
 
+	$gpiocmd write $gpiopin_led_g 0
+	$gpiocmd mode $gpiopin_led_r in
+	camname="random"	### var
+	$cameracmd $camname &
+	echo "$camname started!"
+	sleep $buttontimeout
+
+	counter="0"
+	$gpiocmd mode $gpiopin_led_r out
+	$gpiocmd write $gpiopin_led_g 1
+	while [ "$($gpiocmd read $gpiopin_sw)" -eq "1" ] && [ "$counter" -lt "$countermax" ]; do
+		counter="$(($counter + 1))"
+		#echo "$counter"
+		sleep $buttonpolling
+	done
+
 	$gpiocmd write $gpiopin_led_g 0
 	$gpiocmd mode $gpiopin_led_r in
 	camname="birdcam1"	### var