#!/bin/bash

VALUE=""
case ${1} in
	I0) ADDR=49; INDEX=2 ;;
	I1) ADDR=49; INDEX=3 ;;
	*)
		echo "Input not defined" >&2
		exit 1
		;;
esac

CHIP_BASE_DIR="/sys/bus/i2c/devices/1-00${ADDR}"
CHIP_IIO_DIR="$(ls -d ${CHIP_BASE_DIR}/iio\:device* 2> /dev/null)"

if [ -d "${CHIP_IIO_DIR}" ]; then
	cat ${CHIP_IIO_DIR}/in_voltage${INDEX}_raw 2>/dev/null
else
	cat "${CHIP_BASE_DIR}/in$((${INDEX} + 4))_input" 2>/dev/null
fi