Miscellany

#!/bin/sh
# Copyright (C) 2004-2005 Intel Corporation
#
MODULE="ipw2100"
ENTRY="cfg"
EREG="s#.define \(CFG_.*\) *BIT(\([^)]*\)).*#\1 \2#p"

unset FILE
for i in /sys/bus/pci/drivers/${MODULE}/*; do
        if [ -e "${i}/${ENTRY}" ]; then
                FILE="${i}/${ENTRY}"
        fi
done
if [ -z "${FILE}" ]; then
        echo "No '${ENTRY}' found in /sys/bus/pci/drivers/${MODULE}."
        return
fi

function bit()
{
        VAL=1
        for ((i = 0; i < $2; i++)); do
                VAL=$((VAL*2))
        done
        SET="$((VAL & $3))"
        if [ "${SET}" = "0" ]; then
                SET=" "
        else
                SET="*"
        fi
        printf "%-20s\t\t0x%08X [%s] %d\n" $1 $VAL "$SET" $i
}

IFS="
"
LEVELS=`sed -ne "${EREG}" ${MODULE}.h`
VALUE=`cat ${FILE}`

printf "%-20s\t\t%-10s Set Bit\n" "Description" "Hex"
for i in $LEVELS; do
        IFS=" 
"
        bit $i $((${VALUE}))
done

printf "${ENTRY} = ${VALUE} (* = active)\n"