#!/bin/bash

# default devices

dev_playback="default"

dev_capture="default"

bin="alsabat"

commands="$bin -P $dev_playback -C $dev_capture"

file_sin_mono="default_mono.wav"

file_sin_dual="default_dual.wav"

logdir="tmp"

# frequency range of signal

maxfreq=16547

minfreq=17

# sleep time and pause time

sleep_time=5

pause_time=2

# features passes vs. features all

feature_pass=0

feature_cnt=0

init_counter () {

	feature_pass=0

	feature_all=0

}

evaluate_result () {

	feature_cnt=$((feature_cnt+1))

	if [ $1 -eq 0 ]; then

		feature_pass=$((feature_pass+1))

		echo "pass"

	else

		echo "fail"

	fi

}

print_result () {

	echo "[$feature_pass/$feature_cnt] features passes."

}

feature_test () {

	echo "============================================"

	echo "$feature_cnt: ALSA $2"

	echo "-------------------------------------------"

	echo "$commands $1 --log=$logdir/$feature_cnt.log"

	$commands $1 --log=$logdir/$feature_cnt.log

	evaluate_result $?

	echo "$commands $1" >> $logdir/$((feature_cnt-1)).log

}

feature_test_power () {

	echo "============================================"

	echo "$feature_cnt: ALSA $2"

	echo "-------------------------------------------"

	echo "$commands $1 --log=$logdir/$feature_cnt.log"

	# run alsabat in the background

	nohup $commands $1 > $logdir/$feature_cnt.log 2>&1 &

	sleep $pause_time

	pid=`ps -aux |grep alsabat|head -1 |awk -F ' ' '{print $2}'`

	# stop the alsabat thread

	kill -STOP $pid > /dev/null

	sleep 4

	# do system S3

	rtcwake -m mem -s $sleep_time

	sleep $pause_time

	# resume the alasbat thread to run

	kill -CONT $pid > /dev/null

	# wait for alsabat to complete the analysis

	sleep $pause_time

	cat $logdir/$feature_cnt.log |grep -i "Return value is 0" > /dev/null

	evaluate_result $?

	echo "$commands $1" >> $logdir/$((feature_cnt-1)).log

}

# test items

feature_list_test () {

	init_counter

	commands="$bin"

	feature_test "-c1 --saveplay $file_sin_mono" \

			"generate mono wav file with default params"

	feature_test "-c2 --saveplay $file_sin_dual" \

			"generate dual wav file with default params"

	sleep 5

	feature_test "-P $dev_playback" "single line mode, playback"

	feature_test "-C $dev_capture --standalone" "single line mode, capture"

	commands="$bin -P $dev_playback -C $dev_capture"

	feature_test "--file $file_sin_mono" "play mono wav file and detect"

	feature_test "--file $file_sin_dual" "play dual wav file and detect"

	feature_test "-c1" "configurable channel number: 1"

	feature_test "-c2 -F $minfreq:$maxfreq" "configurable channel number: 2"

	feature_test "-r44100" "configurable sample rate: 44100"

	feature_test "-r48000" "configurable sample rate: 48000"

	feature_test "-n10000" "configurable duration: in samples"

	feature_test "-n2.5s" "configurable duration: in seconds"

	feature_test "-f U8" "configurable data format: U8"

	feature_test "-f S16_LE" "configurable data format: S16_LE"

	feature_test "-f S24_3LE" "configurable data format: S24_3LE"

	feature_test "-f S32_LE" "configurable data format: S32_LE"

	feature_test "-f cd" "configurable data format: cd"

	feature_test "-f dat" "configurable data format: dat"

	feature_test "-F $maxfreq --standalone" \

			"standalone mode: play and capture"

	latestfile=`ls -t1 /tmp/bat.wav.* | head -n 1`

	feature_test "--local -F $maxfreq --file $latestfile" \

			"local mode: analyze local file"

	feature_test "--roundtriplatency" \

			"round trip latency test"

	feature_test "--snr-db 26" \

			"noise detect threshold in SNR(dB)"

	feature_test "--snr-pc 5" \

			"noise detect threshold in noise percentage(%)"

	feature_test_power "-n5s" "power management: S3 test"

	print_result

}

echo "*******************************************"

echo "                BAT Test                   "

echo "-------------------------------------------"

# get device

echo "usage:"

echo "  $0 <sound card>"

echo "  $0 <device-playback> <device-capture>"

if [ $# -eq 2 ]; then

	dev_playback=$1

	dev_capture=$2

elif [ $# -eq 1 ]; then

	dev_playback=$1

	dev_capture=$1

fi

echo "current setting:"

echo "  $0 $dev_playback $dev_capture"

# run

mkdir -p $logdir

feature_list_test

echo "*******************************************"