in str/app.cpp [33:55]
void main_task( intptr_t unused )
{
/* Open Bluetooth file */
g_bluetooth = ev3_serial_open_file( EV3_SERIAL_BT );
assert( g_bluetooth != NULL );
/* Bluetooth通信タスクの起動 */
act_tsk( BT_TASK );
msg_f("ET-Robocon2017 Hirakobasample", 1);
msg_f(" create from github.com/korosuke613/etrobocon2017", 2);
EtRobocon2017 etrobocon;
etrobocon.start( g_bluetooth_command );
ter_tsk( BT_TASK );
fclose( g_bluetooth );
ext_tsk();
}