88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
#!/usr/bin/env python2
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# Virtual Um-interface (fake transceiver)
|
|
# CTRL interface implementation (OsmocomBB specific)
|
|
#
|
|
# (C) 2016-2017 by Vadim Yanitskiy <axilirator@gmail.com>
|
|
#
|
|
# All Rights Reserved
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along
|
|
# with this program; if not, write to the Free Software Foundation, Inc.,
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
from ctrl_if import CTRLInterface
|
|
|
|
class CTRLInterfaceBB(CTRLInterface):
|
|
# Internal state variables
|
|
trx_started = False
|
|
rx_freq = None
|
|
tx_freq = None
|
|
|
|
def __init__(self, remote_addr, remote_port, bind_port):
|
|
print("[i] Init CTRL interface for BB")
|
|
CTRLInterface.__init__(self, remote_addr, remote_port, bind_port)
|
|
|
|
def shutdown(self):
|
|
print("[i] Shutdown CTRL interface for BB")
|
|
CTRLInterface.shutdown(self)
|
|
|
|
def parse_cmd(self, request):
|
|
# Power control
|
|
if self.verify_cmd(request, "POWERON", 0):
|
|
print("[i] Recv POWERON CMD")
|
|
|
|
# Ensure transceiver isn't working
|
|
if self.trx_started:
|
|
print("[!] Transceiver already started")
|
|
return -1
|
|
|
|
# Ensure RX / TX freq. are set
|
|
if (self.rx_freq is None) or (self.tx_freq is None):
|
|
print("[!] RX / TX freq. are not set")
|
|
return -1
|
|
|
|
print("[i] Starting transceiver...")
|
|
self.trx_started = True
|
|
return 0
|
|
|
|
elif self.verify_cmd(request, "POWEROFF", 0):
|
|
print("[i] Recv POWEROFF cmd")
|
|
|
|
print("[i] Stopping transceiver...")
|
|
self.trx_started = False
|
|
return 0
|
|
|
|
# Tuning Control
|
|
elif self.verify_cmd(request, "RXTUNE", 1):
|
|
print("[i] Recv RXTUNE cmd")
|
|
|
|
# TODO: check freq range
|
|
self.rx_freq = int(request[1]) * 1000
|
|
return 0
|
|
|
|
elif self.verify_cmd(request, "TXTUNE", 1):
|
|
print("[i] Recv TXTUNE cmd")
|
|
|
|
# TODO: check freq range
|
|
self.tx_freq = int(request[1]) * 1000
|
|
return 0
|
|
|
|
# Wrong / unknown command
|
|
else:
|
|
# We don't care about other commands,
|
|
# so let's merely ignore them ;)
|
|
print("[i] Ignore CMD %s" % request[0])
|
|
return 0
|