#/bin/bash

###   GPIO 17 - LED high,  light on  ###
###   GPIO 18 - LED high,  light on  ###
###   GPIO 20 - LED high,  light on  ###


RET=0
EXP_GPIO17=17
EXP_GPIO18=18
EXP_GPIO20=20

sleep 2

echo " " 
echo " "
echo " "
echo "######################################################################################"

source `pwd`/mt_gpio.sh

####################################################################################################
if [ ! -f /sys/class/gpio/gpio488/direction ]; then
	        mt_gpio_export ${EXP_GPIO17}   ### EXP_GPIO17 471 + 17 = 488
fi

if [ ! -f /sys/class/gpio/gpio489/direction ]; then
	        mt_gpio_export ${EXP_GPIO18}   ### EXP_GPIO18 471 + 18 = 489
fi

if [ ! -f /sys/class/gpio/gpio491/direction ]; then
	        mt_gpio_export ${EXP_GPIO20}   ### EXP_GPIO20 471 + 20 = 491
fi

####################################################################################################
mt_gpio_dir   ${EXP_GPIO17}  out
mt_gpio_dir   ${EXP_GPIO18}  out

mt_gpio_dir   ${EXP_GPIO20}  out

####################################################################################################
echo "########################## 26PIN GPIO Expand Board Testing Start ##########################"

echo "###  26PIN Expand Board's all LED turn on about 10s   ###"
mt_gpio_out   ${EXP_GPIO17}  1
mt_gpio_out   ${EXP_GPIO18}  1

mt_gpio_out   ${EXP_GPIO20}  1

sleep 10
echo "###  26PIN Expand Board's all LED turn off about 5s   ###"
mt_gpio_out   ${EXP_GPIO17}  0
mt_gpio_out   ${EXP_GPIO18}  0

mt_gpio_out   ${EXP_GPIO20}  0

sleep 5
echo "###  26PIN Expand Board's all LED turn on  ###"
mt_gpio_out   ${EXP_GPIO17}  1
mt_gpio_out   ${EXP_GPIO18}  1

mt_gpio_out   ${EXP_GPIO20}  1


sleep 2
while true
do
	read -t20 -s -n1  -p "### Please confirm if Expand Board's LED can work fine, enter y or n. "y" is good, "n" is for bad. ###" keypress
	if [ $? -eq 0 ]; then
		if [ ${keypress} == 'y' ]; then
			echo " "
			echo " "
			echo "###  Expand Board's LED can work fine, 26PIN GPIO feature is good  ### "
			break
		fi

		if [ ${keypress} == 'n' ]; then
			RET=1
			echo " "
			echo " "
			echo "Error Notice: Expand Board'sLED can not work fine, 26PIN GPIO feature is bad"
			break
		fi
	fi

	echo " "
done

echo "######################################################################################"
echo " "
echo " "
echo " "

sleep 2

return ${RET}