#!/bin/sh

# @Param1 tmp468 data high 8bit
# @Param2 tmp468 data high 8bit
# @Param3 customization channel name
convert_tmp468_data(){
    hex_value1=$(echo "$1" | awk '{sub(/^0x/,""); print}')
    hex_value2=$(echo "$2" | awk '{sub(/^0x/,""); print}')
    merge_value="${hex_value1}${hex_value2}"

    # bc calculator recognized upper case only, change data to upper case
    upper_hex_value=$(echo "$merge_value" | awk '{ 
        for(i=1; i<=length($0); i++){ 
            if(tolower(substr($0,i,1)) ~ /^[a-f]$/) 
                printf toupper(substr($0,i,1)); 
            else 
                printf substr($0,i,1); 
        } 
        print "" 
    }')

    # change data from hex to dec
    dec_val=$(echo "ibase=16; $upper_hex_value" | bc)
    
    temp=$(echo "scale=4; $dec_val / 8 * 0.0625" | bc)
    echo "$3 : $temp "
}

 convert_tmp468_data $1 $2 $3