#!/bin/bash

# background information:
http://gentoo-wiki.com/HOWTO_use_a_bluetooth_headset
http://www.wahlau.org/failed_getting_bluetooth_headset_to_work_with_ubuntu_edgy_eft
http://www.think-future.de/wiki/index.php?title=Bluetooth
http://sourceforge.net/mailarchive/forum.php?thread_name=alpine.LNX.1.00.0802052112140.20192%40nge2.ngu.pk&forum_name=bluez-users

# step 1: install bluetooth alsa software
sudo apt-get install bluetooth-alsa bluez-utils

sudo /etc/init.d/bluetooth stop
sudo /etc/init.d/alsa-utils stop
echo | sudo tee /var/log/syslog
sudo rm --recursive /var/lib/bluetooth/*

sudo modprobe --remove hci_usb
sudo modprobe hci_usb force_scofix=1

# system information:
cd $HOME
apt-cache show bluez-utils > bluez-utils-version-log.txt
lsmod > $HOME/lsmod-log.txt

# step 2: enable bluetooth audio service
sudo cp /etc/bluetooth/audio.service /etc/bluetooth/audio.service.backup
#~ sudo mv /etc/bluetooth/audio.service.backup /etc/bluetooth/audio.service

echo '[Bluetooth Service]
Identifier=audio
Name=Audio service
Description=Bluetooth Audio service
Autostart=true' | sudo tee /etc/bluetooth/audio.service

sudo cat /etc/bluetooth/audio.service
sudo cp /etc/bluetooth/audio.service $HOME/audio.service

# step 3:
sudo cp /etc/bluetooth/audio.conf /etc/bluetooth/audio.conf.backup
#~ sudo mv /etc/bluetooth/audio.conf.backup /etc/bluetooth/audio.conf

echo '[General]
SCORouting=HCI
[Headset]
DisableHFP=false' | sudo tee /etc/bluetooth/audio.conf

sudo cat /etc/bluetooth/audio.conf
sudo cp /etc/bluetooth/audio.conf $HOME/audio.conf

# step 4:
cp $HOME/.asoundrc $HOME/.asoundrc.backup

echo 'pcm.bluetooth {
    type plug
    slave {
       pcm "bluetooth_hardware"
    }
}
pcm.bluetooth_hardware {
    type bluetooth
    device 20:07:09:15:A9:5A
    # profile "auto"
}' | tee $HOME/.asoundrc

sudo cp $HOME/.asoundrc $HOME/asoundrc

# step 5:
sudo cp /etc/bluetooth/hcid.conf /etc/bluetooth/hcid.conf.backup

echo 'options {
    autoinit yes;
    security user;
    pairing multi;
    passkey "0000";
}
device {
    name "[%h] / BT Device %d";
    class 0x020108;
    pkt_type DH1,DM1,HV1;
    iscan enable; pscan enable;
    lm accept;
    lp rswitch,hold,sniff,park;
}' | sudo tee /etc/bluetooth/hcid.conf

cat /etc/bluetooth/hcid.conf
sudo cp /etc/bluetooth/hcid.conf $HOME/hcid.conf

echo 0000 | sudo tee /etc/bluetooth/pin
sudo cp /etc/bluetooth/pin $HOME/pin

sudo hcidump -X > $HOME/hcidump.txt

sudo /etc/init.d/sysklogd start
sudo /etc/init.d/klogd start
sudo /etc/init.d/bluetooth restart
sudo /etc/init.d/alsa-utils restart
sudo python simple-agent 2> $HOME/simple-agent-log.txt

sudo tail --lines=100 --follow /var/log/syslog

sudo cp /var/log/syslog $HOME/syslog

sudo apt-get install mplayer
mplayer -ao alsa:device=bluetooth test.mp3
arecord -D bluetooth -f S16_LE | aplay -D bluetooth -f S16_LE

hcitool scan
20:07:09:15:A9:5A
sudo sdptool browse 20:07:09:15:A9:5A
sudo sdptool search HS > sptool-search-hs-log.txt
hcitool con > hcitool-con-log.txt
sudo hcitool cc 20:07:09:15:A9:5A
sdptool search 20:07:09:15:A9:5A
hcitool cc 20:07:09:15:A9:5A
ls -hal /var/lib/bluetooth/

# note: why is this not avalible in debian sid
passkey-agent 0000 20:07:09:15:A9:5A