fetapi/README.md

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# fetapi - FeTAp with a Raspberry Pi
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```
## Installation
Some of the following instructions must be executed with `root` privileges.
### Installing `fetapd`
1. Clone this repository (together with `pylinphone` as sub-module)
```
cd /opt
git clone https://git.blinkenbunt.org/LUG-Saar/fetapi.git
git submodule update
```
2. Configure and enable `fetapd` as `systemd` service
```
ln -sr fetapd.service /etc/systemd/system/
systemctl daemon-reload
systemctl enable fetapd
```
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### Installing `linphone-cli` on Raspbian
1. Install `debootstrap`
```
apt install debootstrap
```
2. Create a *Debian/sid* chroot environment
```
cd /var/tmp
mkdir debian-sid
debootstrap --arch=armel --foreign --variant=minbase sid ./debian-sid http://ftp.de.debian.org/debian
chroot debian-sid/ /debootstrap/debootstrap --second-stage
```
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Note: Without `--variant=minbase`, sound won't work for some strange, unknown reason.
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3. Install `linphone-cli` inside the chroot environment
```
chroot debian-sid/ apt -y install linphone-cli
```
4. Create user inside the chroot environment
```
chroot /var/tmp/debian-sid adduser --disabled-password pi
```
5. Bind-mount `/dev` to make ALSA accessible within the chroot
```
cat <<EOF >>/etc/fstab
/dev /var/tmp/debian-sid/dev none bind 0 0
EOF
mount -a
```
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6. Copy *Linphone* configuration file
```
cp linphone.conf /var/tmp/debian-sid/home/pi/
```
7. Configure and enable `linphone-daemon` as `systemd` service
```
ln -sr linphone-daemon.service /etc/systemd/system
systemctl daemon-reload
systemctl enable linphone-daemon
```
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## Configuring `fetapd`
:warning: TODO
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### Identifying soundcard
```
# chroot /var/tmp/debian-sid /usr/bin/linphonec
...
linphonec> soundcard list
0: ALSA: default
1: ALSA: bcm2835 Headphones
2: ALSA: C-Media USB Headphone Set
```
## Starting `fetapd`
```
systemctl start fetapd
```
(or simply reboot your *FeTAp*)