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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.
## Local network configuration
If the tobii Glasses aren't connected to a router, here is how to configure a local DHCP server to enable device connection.
* Install DHCP server:
```
brew install isc-dhcp
```
* Setup DHCP server:
**/usr/local/etc/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 "/usr/local/etc/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;
}
```
**/usr/local/etc/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.
* Setup USB LAN Interface:
```
ip: 192.168.1.1
subnet: 255.255.255.0
router: 192.168.1.254
```
* Monitor DHCP server activity:
```
sudo log stream --info --debug --predicate "process == 'dhcpd'"
```
* On Mac: Launch Tobii glasses interface to enable USB LAN Interface before to launch DHCP server.
* Launch DHCP server:
```
sudo /usr/local/sbin/dhcpd
```
* Kill DHCP server:
```
sudo kill `cat /usr/local/var/dhcpd/dhcpd.pid`
```
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