#!/bin/bash

indicatif='F4HIZ' # mettez votre indicatif ici

#5V ;5V   ;GND  ;GPIO14;GPIO15;GPIO18;GND   ;GPIO23;GPIO24;GND   ;GPIO25;GPIO8 ;GPIO7;DNC;GND  ;GPIO12;GND   ;GPIO16;GPIO20;GPIO21
#3V3;GPIO2;GPIO3;GPIO4 ;GND   ;GPIO17;GPIO27;GPIO22;3V3   ;GPIO10;GPIO9 ;GPIO11;GND  ;DNC;GPIO5;GPIO6 ;GPIO13;GPIO19;GPIO26;GND

# interrupteur pour enclencher le système
# GPIO 24 ━━résistance 1K━━━┓
# ground  ━━résistance 10K━━┫
#                           ┃
#                            ╱
#                           ┃
# 3v3     ━━━━━━━━━━━━━━━━━━┛
#

# antenne FM
# GPIO 4 (antenne 20cm) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
#

# led d'infos
# GPIO 22 ━━━━━━━━led rouge━━┓ émission
# ground  ━━résistance 10K━━━┫
# GPIO 23 ━━━━━━━━led jaune━━┛ prise de la photo

# commande baofend ou yaesu
# GPIO 18 ━━━━━━━━━━━━━━━━━━┳━━résistance 220━━━━2N3904
# ground  ━━résistance 10K━━┛


#mode=24
mode=8

finish() {
	echo "22" > /sys/class/gpio/unexport
	echo "23" > /sys/class/gpio/unexport
	echo "24" > /sys/class/gpio/unexport
	echo "18" > /sys/class/gpio/unexport
}
trap finish EXIT

# switch
echo "24" > /sys/class/gpio/export
sleep 1
echo in > /sys/class/gpio/gpio24/direction

# audio cable
echo "18" > /sys/class/gpio/export
sleep 1
echo out > /sys/class/gpio/gpio18/direction


# led rouge (émission)
echo "22" > /sys/class/gpio/export
sleep 1
echo out > /sys/class/gpio/gpio22/direction
echo 0 > /sys/class/gpio/gpio22/value

# led jaune (photo)
echo "23" > /sys/class/gpio/export
sleep 1
echo out > /sys/class/gpio/gpio23/direction
echo 0 > /sys/class/gpio/gpio23/value

sleep 1

echo 1 > /sys/class/gpio/gpio23/value # jaune
sleep 1
echo 0 > /sys/class/gpio/gpio23/value # jaune

if [ ! -d /root/photos ]; then
	mkdir /root/photos
fi

if [ ! -f /root/photos/_num ]; then
	echo "0" > /root/photos/_num
fi
num=`cat /root/photos/_num`
    

while :
do
	sleep 2
	if [ `cat /sys/class/gpio/gpio24/value` -eq 1 ]; then
		echo 1 > /sys/class/gpio/gpio23/value # led jaune
		# take photo
		num=$((num+1))
		echo $num > /root/photos/_num
		raspistill -w 2592 -h 1944 --colfx 128:128 -vf -hf -o /root/photos/photo_${num}.jpg
		echo 0 > /sys/class/gpio/gpio23/value

		if [[ mode -eq 24 ]]; then
			#raspistill -w 320 -h 240 --colfx 128:128 -vf -hf -o /root/data/photo.jpg
			convert /root/photos/photo_${num}.jpg -resize 320x240 -strip -interlace Plane /root/data/photo.jpg
		else
			#raspistill -w 160 -h 120 --colfx 128:128 -vf -hf -o /root/data/photo.jpg
			convert /root/photos/photo_${num}.jpg -resize 160x120 -strip -interlace Plane /root/data/photo.jpg
		fi

		convert /root/data/photo.jpg -fill '#0008' -draw 'rectangle 0,0,65,25' -fill white -pointsize 20 -annotate +5+20 $indicatif /root/data/anno_photo.jpg

		# encode wav
		/root/SSTV_Robot_encoder/SSTV_Robot_encoder /root/data/anno_photo.jpg /root/data/sstv_robot.wav # Robot${mode}BW

		if [ -f /root/data/sstv_robot.wav ]; then
			echo 1 > /sys/class/gpio/gpio22/value # led rouge
			# FM
			# Pas au point :-(
#			/root/fm_transmitter/bin/Release/fm_transmitter /root/data/sstv_robot.wav 104.0 &

			# radio
			echo 1 > /sys/class/gpio/gpio18/value
			if [ `aplay -L|grep "plughw:CARD=Device,DEV=0"` != "" ]; then
				aplay -D plughw:CARD=Device,DEV=0 /root/data/sstv_robot.wav
			else
				aplay /root/data/sstv_robot.wav
			fi
			echo 0 > /sys/class/gpio/gpio18/value
			echo 0 > /sys/class/gpio/gpio22/value # led rouge

			sleep 2
			echo "24" > /sys/class/gpio/unexport
			echo "24" > /sys/class/gpio/export
			sleep 1
			echo in > /sys/class/gpio/gpio24/direction
		else
			echo "ERROR /root/data/sstv_robot.wav not found !"
			echo 1 > /sys/class/gpio/gpio22/value # led rouge
			sleep 1
			echo 0 > /sys/class/gpio/gpio22/value # led rouge

			echo 1 > /sys/class/gpio/gpio23/value # led jaune
			sleep 1
			echo 0 > /sys/class/gpio/gpio23/value # led jaune

			echo 1 > /sys/class/gpio/gpio22/value # led rouge
			sleep 1
			echo 0 > /sys/class/gpio/gpio22/value # led rouge

		fi
	fi
done