# Memo

## lier un gps bluetooth à un tty (0 étant le channel: /dev/rfcomm0 )

    sudo rfcomm connect 0 00:0B:0D:17:A5:98
    
si connexion impossible: 
 * check si connexion ouverte `rfcomm -a` 
 * check si channel use: `sudo lsof | grep /dev/rfcomm0` puis fermer appli
 * release la ressource `rfcomm release 00:0B:0D:17:A5:98`

## diffuser les données de tty

Éditer: /etc/default/gpsd

    # Default settings for the gpsd init script and the hotplug wrapper.
    # Start the gpsd daemon automatically at boot time
    START_DAEMON="true"
    # Use USB hotplugging to add new USB devices automatically to the daemon
    USBAUTO="false"
    # Devices gpsd should collect to at boot time.
    # They need to be read/writeable, either by user gpsd or the group dialout.
    # 0 étant le channel vu plus haut    
    DEVICES="/dev/rfcomm0"
    # Other options you want to pass to gpsd
    GPSD_OPTIONS="-b -n"
    GPSD_SOCKET="/var/run/gpsd.sock"

par default diffuse sur le 2847

# visualiser les data gps

    cg
ps