trx_toolkit/burst_fwd.py: properly pass-filter multiple time-slots
Previously it was only possible to configure a single time-slot that would be pass-filtered by a BurstForwarder instance. In some applications it would be useful to configure multiple time-slots, so let's refactor the time-slot pass-filtering algorithm. Change-Id: Ie1490adaf7a7c62c966aeb60c1898eaf3b5a1e84
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@ -43,11 +43,10 @@ class BurstForwarder:
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and transmit frequencies. It would be great to distinguish
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between RX and TX frequencies for both BTS and MS.
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- ts_pass - currently active timeslot, configured by the MS.
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It can be activated or deactivated using SETSLOT control
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command from the MS.
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- ts_pass_list - the list of active (i.e. configured)
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timeslot numbers for the MS. A timeslot can be activated
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or deactivated using SETSLOT control command from the MS.
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FIXME: only a single timeslot can be activated!
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FIXME: there is no such list for the BTS side.
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== Preprocessing and measurement simulation
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@ -152,7 +151,7 @@ class BurstForwarder:
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self.burst_ul_drop_period = 1
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# Init timeslot filter (drop everything by default)
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self.ts_pass = None
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self.ts_pass_list = []
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# Reset Timing Advance value
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self.ta = 0
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@ -288,7 +287,7 @@ class BurstForwarder:
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return None
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# Timeslot filter
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if msg.tn != self.ts_pass:
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if msg.tn not in self.ts_pass_list:
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return None
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# Path loss simulation
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@ -109,9 +109,21 @@ class CTRLInterfaceBB(CTRLInterface):
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# TS activation / deactivation
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# We don't care about ts_type
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if ts_type == 0:
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self.burst_fwd.ts_pass = None
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# Deactivate TS (remove from TS pass-filter list)
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if ts in self.burst_fwd.ts_pass_list:
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self.burst_fwd.ts_pass_list.remove(ts)
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else:
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print("[!] TS %u was not activated before" % ts)
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# TODO: uncomment as soon as RESET is introduced
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# return -1
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else:
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self.burst_fwd.ts_pass = ts
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# Activate TS (add to TS pass-filter list)
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if ts not in self.burst_fwd.ts_pass_list:
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self.burst_fwd.ts_pass_list.append(ts)
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else:
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print("[!] TS %u was already activated before" % ts)
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# TODO: uncomment as soon as RESET is introduced
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# return -1
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return 0
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