Bash script to remote control Android TV from PC terminal

tv

# /bin/bash
# TVC Android TV - control script via adb shell 
__ADB_DEVICE="192.168.1.128:5555"

declare -A charcode=(
	[A]='29'
	[B]='30'
	[C]='31'
	[D]='32'
	[E]='33'
	[F]='34'
	[G]='35'
	[H]='36'
	[I]='37'
	[J]='38'
	[K]='39'
	[L]='40'
	[M]='41'
	[N]='42'
	[O]='43'
	[P]='44'
	[Q]='45'
	[R]='46'
	[S]='47'
	[T]='48'
	[U]='49'
	[V]='50'
	[W]='51'
	[X]='52'
	[Y]='53'
	[Z]='54'
	[#]='62'
	[0]='7'
	[1]='8'
	[2]='9'
	[3]='10'
	[4]='11'
	[5]='12'
	[6]='13'
	[7]='14'
	[8]='15'
	[9]='16'
#	[*]='17'
#	[#]='18'
#	[,]='55'
#	[.]='56'
#	[;]='74'
#	[']='75'
#	[/]='76'
#	[-]='69'
#	[=]='70'
#	[+]='81'

)


if [ $# -eq 0 ]; then
	echo "Usage: tv connect / disconnect"
	echo "          on / off"
	echo "          mute / unmute"
	echo "          play / pause"
	echo "          skip [+number] / [-number]"
	echo "          vol [+number] / [-number]"
	echo "          key [ok][enter][next][prev][up][down][left][right]"
	echo "          key [key_code]"
	echo "          search [text]"
	exit -1;
fi

_action=$1
_param=$2
_argument=$3

if [ "$_action" == "connect" ]; then
	adb connect  "${__ADB_DEVICE}" 
elif [ "$_action" == "disconnect" ]; then
	adb disconnect
elif [ "$_action"  == "on" ] || [ "$_action"  == "off" ]; then
	adb -s "${__ADB_DEVICE}"  shell input keyevent 26
elif [ "$_action"  == "mute" ] || [ "$_action"  == "unmute" ]; then
	adb -s "${__ADB_DEVICE}"  shell input keyevent 164
elif [ "$_action"  == "pause" ] || [ "$_action"  == "play" ]; then
	adb -s "${__ADB_DEVICE}"  shell input keyevent 85
elif [ "$_action"  == "home" ]; then
  adb -s "${__ADB_DEVICE}"  shell input keyevent 3
elif [ "$_action"  == "end" ]; then
  adb -s "${__ADB_DEVICE}"  shell input keyevent 6
elif [ "$_action"  == "ok" ]; then
  adb -s "${__ADB_DEVICE}"  shell input keyevent 23
elif [ "$_action"  == "back" ]; then
  adb -s "${__ADB_DEVICE}"  shell input keyevent 4
elif [ "$_action"  == "enter" ]; then
  adb -s "${__ADB_DEVICE}"  shell input keyevent 66
elif [ "$_action"  == "browser" ]; then
  adb -s "${__ADB_DEVICE}"  shell input keyevent 64

elif [ "$_action"  == "sunlife" ]; then
  # Goto Sun Life channel
	
	_keys_array=(home_2 enter sleep_5 enter sleep_5 enter back down enter sleep_5 right_5 enter)
	for _key_seq in ${_keys_array[@]}; do
		_key_array=(${_key_seq//_/ })
  	tv key "${_key_array[0]}" "${_key_array[1]}" 
	done

elif [ "$_action"  == "adhitya" ]; then
  # Goto Adhitya channel
	
	_keys_array=(home_2 enter sleep_5 enter sleep_5 enter back down enter sleep_5 right_6 enter)
	for _key_seq in ${_keys_array[@]}; do
		_key_array=(${_key_seq//_/ })
  	tv key "${_key_array[0]}" "${_key_array[1]}" 
	done


elif [ "$_action"  == "search" ]; then
  # TODO search in smart-tube
	tv home
	tv home
	tv key right
	tv key enter
	tv back
	tv key up
	tv enter

  # Send search key 
  #adb -s "${__ADB_DEVICE}"  shell input keyevent 84
	
	# Replace space with ##
	_param=${_param// /##}
	read -a char_array <<< $(echo "${_param}" | sed 's/./& /g') 

	for char in "${char_array[@]}";
	do
		adb -s "${__ADB_DEVICE}"  shell input keyevent ${charcode[${char^^}]};
  done
  
	# Send enter key
	adb -s "${__ADB_DEVICE}"  shell input keyevent 66

elif [ "$_action"  == "key" ]; then
	if [ "$_argument" != "" ]; then
		_count=$(($_argument + 0))
	else
		_count=1
	fi

	if [ "$_param" == "enter" ]; then
		_key_code=66
	elif [ "$_param" == "home" ]; then
		_key_code=3
	elif [ "$_param" == "back" ]; then
		_key_code=4
	elif [ "$_param" == "ok" ]; then
		_key_code=23
	elif [ "$_param" == "next" ]; then
		_key_code=87
	elif [ "$_param" == "prev" ]; then
		_key_code=88
	elif [ "$_param" == "up" ]; then
		_key_code=19 
	elif [ "$_param" == "down" ]; then
		_key_code=20 
	elif [ "$_param" == "left" ]; then
		_key_code=21 
	elif [ "$_param" == "right" ]; then
		_key_code=22 
	else
		_key_code="${_param}"
  fi

	if [ "$_param" == "sleep" ]; then
		sleep "${_count}"
	else
		for _loop in $(seq 1 $_count); do
			adb -s "${__ADB_DEVICE}"  shell input keyevent "${_key_code}"
		done
	fi

elif [ "$_action"  == "vol" ]; then
	_param_length=${#_param}
	if [ "$_param" != "" ]; then
		_first_char=${_param:0:1}
		_count=${_param:1:_param_length-1}
		_count=$(($_count + 0))
		if [ "$_first_char" == "-" ]; then
			for _iter in $(seq 1 ${_count}); do
				adb -s "${__ADB_DEVICE}"  shell input keyevent 25
			done
		elif [ "$_first_char" == "+" ]; then
			for _iter in $(seq 1 ${_count}); do
				adb -s "${__ADB_DEVICE}"  shell input keyevent 24
			done
		fi
	fi
elif [ "$_action"  == "skip" ]; then
	_param_length=${#_param}
	if [ "$_param" != "" ]; then
		_first_char=${_param:0:1}
		_count=${_param:1:_param_length-1}
		_count=$(($_count + 0))
		if [ "$_first_char" == "-" ]; then
			for _iter in $(seq 1 ${_count}); do
				adb -s "${__ADB_DEVICE}"  shell input keyevent 89
			done
		elif [ "$_first_char" == "+" ]; then
			for _iter in $(seq 1 ${_count}); do
				adb -s "${__ADB_DEVICE}"  shell input keyevent 90
			done
		fi
	fi
else
	echo "Invalid action"
	exit -1;
fi