#!/bin/sh
# This script is used to test i2c interface for bsc9131rdb

I2C_DETECT=`which i2cdetect`
if [ "x$I2C_DETECT" != "x" ]; then
    echo "PASS: i2cdetect found"
else
    echo "FAIL: i2cdetect not found"
    exit 1
fi

I2C_SET=`which i2cset`
if [ "x$I2C_SET" != "x" ]; then
    echo "PASS: i2cset found"
else
    echo "FAIL: i2cset not found"
    exit 1
fi

I2C_GET=`which i2cget`
if [ "x$I2C_GET" != "x" ]; then
    echo "PASS: i2cget found"
else
    echo "FAIL: i2cget not found"
    exit 1
fi

if I2C_ADAPTERS=`$I2C_DETECT -l |wc -l`; then
    echo "PASS: $I2C_ADAPTERS i2c adapters found"
else
    echo "FAIL: no i2c adapters found"
    exit 1
fi

adapters=0
while [ $adapters -lt $I2C_ADAPTERS ]
do
    $I2C_DETECT -y $adapters
    if [ $? -ne 0 ]; then
        echo "FAIL: detect i2c adapter $adapters fail"
    else
        echo "PASS: detect i2c adapter $adapters success"
    fi
    adapters=`expr $adapters + 1`
    sleep 1
done

# Area of bus:i2c-0 addr:0x52 is free to read and write
$I2C_SET -y 0 0x52 0 0x55
if [ $? -eq 0 ]; then
    echo "PASS: i2c_set -y 0 0x52 0 0x55 success"
else
    echo "FAIL: i2c_set -y 0 0x52 0 0x55 fail"
fi

num=`$I2C_GET -y 0 0x52 0 | grep -c '0x55'`
if [ $num -eq 1 ]; then
    echo "PASS: i2c_get -y 0 0x52 0 success"
else
    echo "FAIL: i2c_get -y 0 0x52 0 fail"
fi

$I2C_SET -y 0 0x52 0 0xaa
if [ $? -eq 0 ]; then
    echo "PASS: i2c_set -y 0 0x52 0 0xaa success"
else
    echo "FAIL: i2c_set -y 0 0x52 0 0xaa fail"
fi

num=`$I2C_GET -y 0 0x52 0 | grep -c '0xaa'`
if [ $num -eq 1 ]; then
    echo "PASS: i2c_get -y 0 0x52 0 success"
else
    echo "FAIL: i2c_get -y 0 0x52 0 fail"
fi