| Vadim Yanitskiy | f3eccbf | 2017-07-19 15:17:37 +0700 | [diff] [blame^] | 1 | #!/usr/bin/env python2 |
| 2 | # -*- coding: utf-8 -*- |
| 3 | |
| 4 | # GR-GSM based transceiver |
| 5 | # CTRL interface for OsmocomBB |
| 6 | # |
| 7 | # (C) 2016-2017 by Vadim Yanitskiy <axilirator@gmail.com> |
| 8 | # |
| 9 | # All Rights Reserved |
| 10 | # |
| 11 | # This program is free software; you can redistribute it and/or modify |
| 12 | # it under the terms of the GNU General Public License as published by |
| 13 | # the Free Software Foundation; either version 2 of the License, or |
| 14 | # (at your option) any later version. |
| 15 | # |
| 16 | # This program is distributed in the hope that it will be useful, |
| 17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | # GNU General Public License for more details. |
| 20 | # |
| 21 | # You should have received a copy of the GNU General Public License along |
| 22 | # with this program; if not, write to the Free Software Foundation, Inc., |
| 23 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 24 | |
| 25 | from ctrl_if import CTRLInterface |
| 26 | |
| 27 | class CTRLInterfaceBB(CTRLInterface): |
| 28 | def __init__(self, remote_addr, remote_port, bind_port, tb): |
| 29 | print("[i] Init CTRL interface") |
| 30 | CTRLInterface.__init__(self, remote_addr, remote_port, bind_port) |
| 31 | |
| 32 | # Set link to the follow graph (top block) |
| 33 | self.tb = tb |
| 34 | |
| 35 | def shutdown(self): |
| 36 | print("[i] Shutdown CTRL interface") |
| 37 | CTRLInterface.shutdown(self) |
| 38 | |
| 39 | def parse_cmd(self, request): |
| 40 | # Power control |
| 41 | if self.verify_cmd(request, "POWERON", 0): |
| 42 | print("[i] Recv POWERON CMD") |
| 43 | |
| 44 | # Ensure transceiver isn't working |
| 45 | if self.tb.trx_started: |
| 46 | print("[!] Transceiver already started") |
| 47 | return -1 |
| 48 | |
| 49 | # Ensure transceiver is ready to start |
| 50 | if not self.tb.check_available(): |
| 51 | print("[!] Transceiver isn't ready to start") |
| 52 | return -1 |
| 53 | |
| 54 | print("[i] Starting transceiver...") |
| 55 | self.tb.trx_started = True |
| 56 | self.tb.start() |
| 57 | |
| 58 | return 0 |
| 59 | |
| 60 | elif self.verify_cmd(request, "POWEROFF", 0): |
| 61 | print("[i] Recv POWEROFF cmd") |
| 62 | |
| 63 | # TODO: flush all buffers between blocks |
| 64 | if self.tb.trx_started: |
| 65 | print("[i] Stopping transceiver...") |
| 66 | self.tb.trx_started = False |
| 67 | self.tb.stop() |
| 68 | |
| 69 | return 0 |
| 70 | |
| 71 | elif self.verify_cmd(request, "SETRXGAIN", 1): |
| 72 | print("[i] Recv SETRXGAIN cmd") |
| 73 | |
| 74 | # TODO: check gain value |
| 75 | gain = int(request[1]) |
| 76 | self.tb.set_gain(gain) |
| 77 | |
| 78 | return 0 |
| 79 | |
| 80 | # Tuning Control |
| 81 | elif self.verify_cmd(request, "RXTUNE", 1): |
| 82 | print("[i] Recv RXTUNE cmd") |
| 83 | |
| 84 | # TODO: check freq range |
| 85 | freq = int(request[1]) * 1000 |
| 86 | self.tb.set_fc(freq) |
| 87 | |
| 88 | return 0 |
| 89 | |
| 90 | elif self.verify_cmd(request, "TXTUNE", 1): |
| 91 | print("[i] Recv TXTUNE cmd") |
| 92 | |
| 93 | # TODO: is not implemented yet |
| 94 | return 0 |
| 95 | |
| 96 | # Misc |
| 97 | elif self.verify_cmd(request, "ECHO", 0): |
| 98 | print("[i] Recv ECHO cmd") |
| 99 | return 0 |
| 100 | |
| 101 | # Wrong / unknown command |
| 102 | else: |
| 103 | print("[!] Wrong request on CTRL interface") |
| 104 | return -1 |