47 lines
2.6 KiB
Python
47 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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##################################################
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# GNU Radio Python Flow Graph
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# Title: SDCCH/8 demapper
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# Author: Piotr Krysik
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# Description: Demapper for SDCCH/8 + SACCH/C8 control channels. This corresponds to channel combination vii specified in GSM 05.02, section 6.4
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# Generated: Mon May 23 09:32:48 2016
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##################################################
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from gnuradio import gr
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from gnuradio.filter import firdes
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import grgsm
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class gsm_sdcch8_demapper(grgsm.hier_block):
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def __init__(self, timeslot_nr=1):
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grgsm.hier_block.__init__(
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self, "SDCCH/8 demapper",
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gr.io_signature(0, 0, 0),
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gr.io_signature(0, 0, 0),
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)
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self.message_port_register_hier_in("bursts")
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self.message_port_register_hier_out("bursts")
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##################################################
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# Parameters
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##################################################
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self.timeslot_nr = timeslot_nr
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##################################################
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# Blocks
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##################################################
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self.gsm_universal_ctrl_chans_demapper_0 = grgsm.universal_ctrl_chans_demapper(timeslot_nr, ([0,0,0,0,4,4,4,4,8,8,8,8,12,12,12,12,16,16,16,16,20,20,20,20,24,24,24,24,28,28,28,28,32,32,32,32,36,36,36,36,40,40,40,40,44,44,44,44,0,0,0]), ([8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,0,0,0]), ([0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0]), ([0,0,0,0,4,4,4,4,8,8,8,8,0,0,0,15,15,15,15,19,19,19,19,23,23,23,23,27,27,27,27,31,31,31,31,35,35,35,35,39,39,39,39,43,43,43,43,47,47,47,47]), ([136,136,136,136,136,136,136,136,136,136,136,136,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,136,136,136,136]), ([1,1,1,1,2,2,2,2,3,3,3,3,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,4,4,4,4]))
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##################################################
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# Connections
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##################################################
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self.msg_connect((self.gsm_universal_ctrl_chans_demapper_0, 'bursts'), (self, 'bursts'))
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self.msg_connect((self, 'bursts'), (self.gsm_universal_ctrl_chans_demapper_0, 'bursts'))
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def get_timeslot_nr(self):
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return self.timeslot_nr
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def set_timeslot_nr(self, timeslot_nr):
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self.timeslot_nr = timeslot_nr
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