79 lines
3.0 KiB
Python
Executable File
79 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# This work is licensed under the Creative Commons Attribution-ShareAlike
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# 3.0 Unported License.To view a copy of this license, visit
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# http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
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# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
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# California, 94041, USA.
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# This is a sample applicaiton that dumps all raw AMBE+2 voice frame data
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# It is useful for things like, decoding the audio stream with a DVSI dongle, etc.
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from __future__ import print_function
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from twisted.internet import reactor
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from binascii import b2a_hex as h
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from bitstring import BitArray
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import sys
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import cPickle as pickle
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from dmrlink import IPSC, NETWORK, networks, logger, int_id, hex_str_3
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2015 Cortney T. Buffington, N0MJS and the K0USY Group'
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__credits__ = 'Adam Fast, KC0YLK; Robert Garcia, N5QM'
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__license__ = 'Creative Commons Attribution-ShareAlike 3.0 Unported'
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__maintainer__ = 'Cort Buffington, N0MJS'
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__version__ = '0.1a'
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__email__ = 'n0mjs@me.com'
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__status__ = 'pre-alpha'
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try:
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from ipsc.ipsc_message_types import *
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except ImportError:
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sys.exit('IPSC message types file not found or invalid')
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class ambeIPSC(IPSC):
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def __init__(self, *args, **kwargs):
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IPSC.__init__(self, *args, **kwargs)
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self.CALL_DATA = []
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#************************************************
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# CALLBACK FUNCTIONS FOR USER PACKET TYPES
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#************************************************
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#
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def group_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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# THIS FUNCTION IS NOT COMPLETE!!!!
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_payload_type = _data[30:31]
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# _ambe_frames = _data[33:52]
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_ambe_frames = BitArray('0x'+h(_data[33:52]))
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_ambe_frame1 = _ambe_frames[0:49]
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_ambe_frame2 = _ambe_frames[50:99]
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_ambe_frame3 = _ambe_frames[100:149]
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if _payload_type == BURST_DATA_TYPE['VOICE_HEAD']:
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print('Voice Transmission Start')
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if _payload_type == BURST_DATA_TYPE['VOICE_TERM']:
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print('Voice Transmission End')
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if _payload_type == BURST_DATA_TYPE['SLOT1_VOICE']:
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print(_ambe_frames)
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print('Frame 1:', _ambe_frame1.bytes)
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print('Frame 2:', _ambe_frame2.bytes)
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print('Frame 3:', _ambe_frame3.bytes)
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if _payload_type == BURST_DATA_TYPE['SLOT2_VOICE']:
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print(_ambe_frames)
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print('Frame 1:', _ambe_frame1.bytes)
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print('Frame 2:', _ambe_frame2.bytes)
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print('Frame 3:', _ambe_frame3.bytes)
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if __name__ == '__main__':
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logger.info('DMRlink \'ambe_audio.py\' (c) 2015 N0MJS & the K0USY Group - SYSTEM STARTING...')
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for ipsc_network in NETWORK:
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if NETWORK[ipsc_network]['LOCAL']['ENABLED']:
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networks[ipsc_network] = ambeIPSC(ipsc_network)
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reactor.listenUDP(NETWORK[ipsc_network]['LOCAL']['PORT'], networks[ipsc_network], interface=NETWORK[ipsc_network]['LOCAL']['IP'])
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reactor.run()
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