Untitled

#source ./config.sh
#source ./functions.sh
id=""
color=""
# register=0x00
while [ $# -gt 0 ]
do 
    case $1 in
        --id)
            id="$2"
            shift 2
        ;;
        --color)
            color="$2"
            shift 2
        ;;
        -h | --help)
            echo "test_LED --id <LED_id> --color <color>"
            echo -e "--id\t\tEnter the LED ID you want to test."
            echo -e "--color\t\tEnter the color you want to be displayed."
            exit 0
        ;;
        *)
            echo "Unknown parameter passed: $1"
            exit 1
        ;;
    esac
done
echo "id=$id , color=$color"
# # LED test
# sudo /usr/sbin/i2cset -y 1 0x30 0xa0 0x36
# # #1110
#id="user"
#color="B"
echo "id=$id , color=$color"
setRegValue () {
    local _color="$1"
    local value
    if [[ $_color = "R" || $_color = "G" ]]
    then
        ([[ $_color = "R" ]]) && value=$2 || value=$3
    else
	 printf "error input, this color doesn't exist.\n" >&2
    fi
    echo $value
}

getIDXreg() {
    local array=("diag" "loc" "psu1" "psu2" "fan" "user" "ports")
    local _id="$1"
    local idx=7

    for i in "${!array[@]}"
    do
        if [ "${array[$i]}" == "$_id" ]
        then
            idx=$i
            break
        fi
    done
    echo $idx
}

getColor() {
    case "$1" in
        R) echo 1 ;;
        G) echo 2 ;;
        B) echo 3 ;;
        O) echo 4 ;;
        *) echo 0 ;;
    esac
}

#echo color: $(getColor G)

setRGB () {
    local _id=$(getIDXreg "$id")
    local _color=$(getColor "$color")
    local tmp_color=0x00
    local value
    local register
    if [[ $_id -eq 7 || $_color -eq 0 ]]
    then
        echo "handle error"
        exit 1
    fi
    #handle error
    
    if [[ $_id -eq 6 ]]
    then
        tmp_color=$(( ( 8 >> $_color ) ^ 0x07))
    elif [[ $_color -eq 3 ]]
    then
        echo "handle error"
        exit 1
    elif [[ $_color -eq 4 ]]
    then
        tmp_color=0x08
    elif [[ $(($_id % 5)) -lt 2 ]] # 0 ,1 ,5
    then
        tmp_color=$((0x00 + $_color))
    else
        tmp_color=$((0x08 + $_color)) 
    fi

    if [[ $(( $_id % 2 )) -eq 1 ]]
    then
        value=$(( tmp_color << 4 ))
    else
        value=$tmp_color
    fi

    local register=$(( 0xa1 + ($_id >> 1) ))
    #echo $register $value
    echo $(printf "Register:0x%02x Value:0x%02x" "$register" "$value" ) 
}
setRGB 
#ret=$(setRGB)
#echo "id : $id"
#echo "color/action : $color"
#echo "value = $ret"

exit 0