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Class interface to handle Tobbi Glasses Pro 2 device.
This work is greatly inspired by the David de Tommaso and Agnieszka Wykowska [TobiiGlassesPySuite](https://arxiv.org/pdf/1912.09142.pdf).
* [Tobii Glasses Pro 2 device user manual](https://www.tobiipro.com/siteassets/tobii-pro/user-manuals/tobii-pro-glasses-2-user-manual.pdf).
## Utils
Print **A4_calibration_target.pdf** onto A4 paper sheet to get calibration target at expected dimension.
Load **imu.json** file with argaze utils **tobii_imu_calibrate.py** script with -i option. This is an example file to illustrate how to load Inertial Measure Unit (IMU) calibration parameters.
## Local network configuration
If the tobii Glasses aren't connected to a router, here is how to configure a local DHCP server to enable IPv4 device connection.
### Linux (Ubuntu)
* Setup static eth0 interface
**/etc/network/interfaces**
```
auto eth0
iface eth0 inet static
address 192.168.1.1
netmask 255.255.255.0
network 192.168.1.0
gateway 192.168.1.254
```
* Install DHCP server:
```
sudo apt-get install isc-dhcp
```
* Setup DHCP server:
**/etc/default/isc-dhcp-server**
```
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
INTERFACESv4="eth0"
INTERFACESv6=""
```
**/etc/dhcp/dhcpd.conf**
```
# NECESSARY TO BE A DHCP SERVER
authoritative;
# DHCP CONFIGURATION INFORMATION
default-lease-time 43200;
max-lease-time 86400;
server-name "dhcpserver.robotron.lan";
# DNS SERVERS DHCP WILL PUSH TO CLIENTS
option domain-name-servers 192.168.1.1;
# SEARCH DOMAINS DHCP WILL PUSH TO CLIENTS
option domain-name "robotron.lan";
# DHCP STATIC IP ASSIGNMENTS FILE
include "/etc/dhcp/master.conf";
# SUBNET FOR IP ADDRESSES MANUALLY/STATICALLY ASSIGNED ONLY
subnet 192.168.1.0 netmask 255.255.255.0 {
option broadcast-address 192.168.1.255;
option subnet-mask 255.255.255.0;
option routers 192.168.1.254;
}
```
**/etc/dhcp/master.conf**
```
# Static IP assignments
## SUBNET - 192.168.1.0/24
host tobiiglasses { hardware ethernet 74:fe:48:34:7c:92; fixed-address 192.168.1.10; }
```
Replace 74:fe:48:34:7c:92 by the correct MAC address.
* Monitor DHCP server activity:
```
journalctl | grep -Ei 'dhcp'
```
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