#!/bin/bash

SCRIPT_PATH="$( cd "$( dirname "$0" )" && pwd )"

if [ -e /tmp/cmdline ]; then
    . /tmp/cmdline
fi

. ${SCRIPT_PATH}/i2csetup

if [ ${1} ]; then
    I2CCONFIGBUS=${1}
fi

if [ ${2} ]; then
    I2CCONFIGADDRESS=${2}
fi

#read only first card found
for BUS in ${I2CCONFIGBUS};do 
    revision=$(${SCRIPT_PATH}/i2cutil -y -r ${BUS} ${I2CCONFIGADDRESS} 7 b)
    printf "%01x\n" ${revision}
    exit 0
done


