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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| <?xml version="1.0"?> | ||
| <block> | ||
| <name>BEESAT classifier</name> | ||
| <key>tnc_nx_beesat_classifier</key> | ||
| <category>[Satellites]/Telemetry</category> | ||
| <import>import satellites</import> | ||
| <make>satellites.beesat_classifier()</make> | ||
|
|
||
| <sink> | ||
| <name>in</name> | ||
| <type>message</type> | ||
| </sink> | ||
|
|
||
| <source> | ||
| <name>BEESAT-1</name> | ||
| <type>message</type> | ||
| <optional>1</optional> | ||
| </source> | ||
| <source> | ||
| <name>BEESAT-2</name> | ||
| <type>message</type> | ||
| <optional>1</optional> | ||
| </source> | ||
| <source> | ||
| <name>BEESAT-4</name> | ||
| <type>message</type> | ||
| <optional>1</optional> | ||
| </source> | ||
| <source> | ||
| <name>TECHNOSAT</name> | ||
| <type>message</type> | ||
| <optional>1</optional> | ||
| </source> | ||
| </block> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| #!/usr/bin/env python | ||
| # -*- coding: utf-8 -*- | ||
| # | ||
| # Copyright 2016 Daniel Estévez | ||
| # | ||
| # This 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 3, or (at your option) | ||
| # any later version. | ||
| # | ||
| # This software 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 software; see the file COPYING. If not, write to | ||
| # the Free Software Foundation, Inc., 51 Franklin Street, | ||
| # Boston, MA 02110-1301, USA. | ||
| # | ||
|
|
||
| import numpy | ||
| from gnuradio import gr | ||
| import pmt | ||
| import array | ||
| import struct | ||
|
|
||
| class beesat_classifier(gr.basic_block): | ||
| """ | ||
| docstring for block beesat_classifier | ||
| """ | ||
| def __init__(self): | ||
| gr.basic_block.__init__(self, | ||
| name="beesat_classifier", | ||
| in_sig=[], | ||
| out_sig=[]) | ||
|
|
||
| self.message_port_register_in(pmt.intern('in')) | ||
| self.set_msg_handler(pmt.intern('in'), self.handle_msg) | ||
| self.message_port_register_out(pmt.intern('BEESAT-1')) | ||
| self.message_port_register_out(pmt.intern('BEESAT-2')) | ||
| self.message_port_register_out(pmt.intern('BEESAT-4')) | ||
| self.message_port_register_out(pmt.intern('TECHNOSAT')) | ||
|
|
||
| def handle_msg(self, msg_pmt): | ||
| msg = pmt.cdr(msg_pmt) | ||
| if not pmt.is_u8vector(msg): | ||
| print "[ERROR] Received invalid message type. Expected u8vector" | ||
| return | ||
| packet = array.array("B", pmt.u8vector_elements(msg)) | ||
| satellite = None | ||
| if len(packet) < 2 + 6 + 2: # 2byte header, 6byte callsign, 2byte callsign crc | ||
| return | ||
| callsign = struct.unpack("6s", packet[2:8])[0] | ||
| if callsign == 'DP0BEE': | ||
| satellite = 'BEESAT-1' | ||
| elif callsign == 'DP0BEF': | ||
| satellite = 'BEESAT-2' | ||
| elif callsign == 'DP0BEH': | ||
| satellite = 'BEESAT-4' | ||
| elif callsign == 'DP0TBA': | ||
| satellite = 'TECHNOSAT' | ||
|
|
||
| if satellite: | ||
| self.message_port_pub(pmt.intern(satellite), msg_pmt) |