apps/trx: separate CTRLInterface implementation
diff --git a/apps/trx/ctrl_if_bb.py b/apps/trx/ctrl_if_bb.py
new file mode 100644
index 0000000..8f7b57a
--- /dev/null
+++ b/apps/trx/ctrl_if_bb.py
@@ -0,0 +1,104 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+
+# GR-GSM based transceiver
+# CTRL interface for OsmocomBB
+#
+# (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):
+ def __init__(self, remote_addr, remote_port, bind_port, tb):
+ print("[i] Init CTRL interface")
+ CTRLInterface.__init__(self, remote_addr, remote_port, bind_port)
+
+ # Set link to the follow graph (top block)
+ self.tb = tb
+
+ def shutdown(self):
+ print("[i] Shutdown CTRL interface")
+ 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.tb.trx_started:
+ print("[!] Transceiver already started")
+ return -1
+
+ # Ensure transceiver is ready to start
+ if not self.tb.check_available():
+ print("[!] Transceiver isn't ready to start")
+ return -1
+
+ print("[i] Starting transceiver...")
+ self.tb.trx_started = True
+ self.tb.start()
+
+ return 0
+
+ elif self.verify_cmd(request, "POWEROFF", 0):
+ print("[i] Recv POWEROFF cmd")
+
+ # TODO: flush all buffers between blocks
+ if self.tb.trx_started:
+ print("[i] Stopping transceiver...")
+ self.tb.trx_started = False
+ self.tb.stop()
+
+ return 0
+
+ elif self.verify_cmd(request, "SETRXGAIN", 1):
+ print("[i] Recv SETRXGAIN cmd")
+
+ # TODO: check gain value
+ gain = int(request[1])
+ self.tb.set_gain(gain)
+
+ return 0
+
+ # Tuning Control
+ elif self.verify_cmd(request, "RXTUNE", 1):
+ print("[i] Recv RXTUNE cmd")
+
+ # TODO: check freq range
+ freq = int(request[1]) * 1000
+ self.tb.set_fc(freq)
+
+ return 0
+
+ elif self.verify_cmd(request, "TXTUNE", 1):
+ print("[i] Recv TXTUNE cmd")
+
+ # TODO: is not implemented yet
+ return 0
+
+ # Misc
+ elif self.verify_cmd(request, "ECHO", 0):
+ print("[i] Recv ECHO cmd")
+ return 0
+
+ # Wrong / unknown command
+ else:
+ print("[!] Wrong request on CTRL interface")
+ return -1