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#/bin/bash

#Init Gpio for motor and initial position
gpio -g mode 19 pwm
gpio -g mode 12 pwm
gpio pwm-ms
gpio pwmc 192
gpio pwmr 2000
#At startup , put sg90 at initial value
#sg can go from 250 (left) to 50 (right)
gpio -g pwm 19 150
gpio -g pwm 12 150
oldvaluepwm=150
oldvaluepwmsun=150

#Init Leds
#Led rouge
echo 4 > /sys/class/gpio/export
#Led verte
echo 17 > /sys/class/gpio/export
#Led bleue
echo 27 > /sys/class/gpio/export
sleep 1
echo out > /sys/class/gpio/gpio17/direction
echo out > /sys/class/gpio/gpio4/direction
echo out > /sys/class/gpio/gpio27/direction

#Init Oled
sudo /home/pi/tests/oled3c r
#sudo /home/pi/tests/oled3d r

#Init few variables
sun=300
valuetempoenedis=300


##############################################################################

#Get ip address and show it
sudo /home/pi/tests/oled3c +4 "$(ip a l | grep 192.168 | cut -d ' ' -f6)"


###################################
while true
do

tempo=$(curl -s http://xxxx/conso.html )
#The curl point to my local http serveur where values are in this form
#500;0;0;0  (enedis in/out; solar generated;routage 1; routage2

valueenedis=$(echo $tempo | cut -d ';' -f1)
valuesun=$(echo $tempo | cut -d ';' -f2)
routage=$(echo $tempo | cut -d ';' -f3-4)

##############
##Led color ##
##############

###########
#Red when Enedis >0
##########
if [ "$valueenedis" -gt 1 ]
then
echo 1 > /sys/class/gpio/gpio4/value
else
echo 0 > /sys/class/gpio/gpio4/value
fi

###########
#Greeen when valuesun >1
###########
if [ "$valuesun" -gt 1 ]
then
echo 1 > /sys/class/gpio/gpio17/value
else
echo 0 > /sys/class/gpio/gpio17/value
fi

##########
# Blue when inject to enedis
###########
if [ "$valueenedis" -lt 0 ]
then
echo 1 > /sys/class/gpio/gpio27/value
else
echo 0 > /sys/class/gpio/gpio27/value
fi


###############
##OLED      ###
###############


###
# Affichage oled enedis quand il change
####
if [ "$valueenedis" != "$valueendistempo" ]; then
valueendistempo=$valueenedis
sudo /home/pi/tests/oled3c +2 "C.Rsx(Va):$valueenedis"
sudo /home/pi/tests/oled3c s
fi


###
# Affichage oled sun et routage quand il change
####
if [ "$valuesun" != "$sun" ]; then
sun=$valuesun
sudo /home/pi/tests/oled3c +1 "P.Sol(Va):$valuesun"
sudo /home/pi/tests/oled3c +3 "Rout(%):$routage"
sudo /home/pi/tests/oled3c +4 "$(ip a l | grep 192.168 | cut -d ' ' -f6)"
sudo /home/pi/tests/oled3c s
fi


####################
##### Motor     ####
####################

###Boucle Enedis
if [ "$valueenedis" != "$oldvalueenedis" ]; then

#Calcul pwm . Middle pwm = 150 , min =250 , max =50
#250 = 0 W consomme enedis
#50=6000W aspire
# soit 200 points pour 6000 w. chaque point fais donc 30w

#In case inject to enedis, lets say than valueenedis equal 0 otherwise sg90 become broken
if [ "$valueenedis" -lt 1 ]; then
valueenedis=0
fi
newvaluepwm=$(echo "250-($valueenedis/30)" |bc)



#if old greater than new
while [ "$oldvaluepwm" -gt "$newvaluepwm" ]
do
gpio -g pwm 19 $oldvaluepwm
oldvaluepwm=$((oldvaluepwm-1))
sleep 0.2
done


#if old lower than new
while [ "$oldvaluepwm" -lt "$newvaluepwm" ]
do
gpio -g pwm 19 $oldvaluepwm
oldvaluepwm=$((oldvaluepwm+1))
sleep 0.2
done

#Fin de boucle . On remets  a jour la variable
oldvalueenedis=$valueenedis
fi




###Boucle Sun
if [ "$valuesun" != "$oldvaluesun" ]; then

#Calcul pwm . Middle pwm = 150 , min =50 , max =250
#250 = 2950 W produis panneaux
#50=0W panneaux
# soit 200 points pour 2950 w. chaque point fais donc 14w
newvaluepwmsun=$(echo "50+($valuesun/14)" |bc)


#if old greater than new
while [ "$oldvaluepwmsun" -gt "$newvaluepwmsun" ]
do
gpio -g pwm 12 $oldvaluepwmsun
oldvaluepwmsun=$((oldvaluepwmsun-1))
sleep 0.2
done


#if old lower than new
while [ "$oldvaluepwmsun" -lt "$newvaluepwmsun" ]
do
gpio -g pwm 12 $oldvaluepwmsun
oldvaluepwmsun=$((oldvaluepwmsun+1))
sleep 0.2
done

#Fin de boucle . On remets  a jour la variable
oldvaluesun=$valuesun
fi
sleep 5
done