STW TC1, User Manual

Page: 46 / 374

6 Software
User Manual 46/374
6.4 Network handling
For network handling use the network daemon that handles network interfaces automatically.
Precondition:
The network daemon must be started. The network daemon is not started during the boot up automatically.
How to activate the network daemon see network daemon (see " Network daemon " on page 100).
Library
Function Brief
ynetworkd_get_connected_interface
(see
"
ynetworkd_get_connected_interface "
on page 236)
The TAF library function returns the connection status.
ynetwortkd_start_connection (see
"
ynetworkd_start_connection " on
page 237)
The TAF library function turns the network daemon into connectivity
mode.
ynetworkd_stop_connection (see
"
ynetworkd_stop_connection " on
page 238)
The TAF library function disconnects the current network connection.
High Level Hardware Access
Path Input
information Output information Description
/etc/init.d/scripts/network p1 Interfaces file
/etc/network/interfaces includes
the following network options:

dhcp .. get IP via DHCP

lan_static .. static IP
from etc/init.d/rc.conf

lan_static_networkd ..
static IP used only by
the ynetworkd

wlan_static .. static IP
from etc/init.d/rc.conf
This shell script creates the
temporary file /tmp/interfaces and
initializes the ethernet (eth0) and
the CAN (can0/1) depending on the
network options from
/etc/init.d/rc.conf. It is also started
by the boot up sequence.
p1:
< start > / < restart >

creates the interface file
and initializes eth0 and
can0/1 depending on
/etc/init.d/rc.conf