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Transceiver52M: Add option to explicitly set GPSDO reference

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Before UHD version 3.9.0 on-board GPSDO modules for USRP
devices were automatically enabled if detected. After UHD
version 3.9.0 the UHD behavior changed to require explicit
setting of the reference to enable GPSDO use.

Modify the interfaces to pass 'internal', 'external' and
'gpsdo' reference options from configuration database into
the UHD driver layer. Convert the 'TRX.reference' entry in
the configuration from a boolean value to string.
This commit is contained in:
Tom Tsou 2016-08-30 19:35:32 -07:00 • committed by Michael Iedema
parent 2992951933
commit c438a5a689
6 changed files with 54 additions and 20 deletions
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1
apps/OpenBTS.example.sql
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@ -237,6 +237,7 @@ INSERT OR IGNORE INTO "CONFIG" VALUES('TRX.RadioFrequencyOffset','128',1,0,'Fine
INSERT OR IGNORE INTO "CONFIG" VALUES('TRX.Timeout.Clock','10',0,0,'How long to wait during a read operation from the Transceiver before giving up.');
INSERT OR IGNORE INTO "CONFIG" VALUES('TRX.Timeout.Start','2',0,0,'How long to wait during system startup before checking to see if the Transceiver can be reached.');
INSERT OR IGNORE INTO "CONFIG" VALUES('TRX.TxAttenOffset','0',1,0,'Hardware-specific gain adjustment for transmitter, matched to the power amplifier, expessed as an attenuation in dB. Set at the factory. Do not adjust without proper calibration. Static.');
INSERT OR IGNORE INTO "CONFIG" VALUES('TRX.Reference','internal',0,0,'TRX reference type ("internal", "external", "gpsdo")');
INSERT OR IGNORE INTO "CONFIG" VALUES('Test.GSM.SimulatedFER.Downlink','0',0,0,'Probability (0-100) of dropping any downlink frame to test robustness.');
INSERT OR IGNORE INTO "CONFIG" VALUES('Test.GSM.SimulatedFER.Uplink','0',0,0,'Probability (0-100) of dropping any uplink frame to test robustness.');
INSERT OR IGNORE INTO "CONFIG" VALUES('Test.GSM.UplinkFuzzingRate','0',1,0,'Probability (0-100) of flipping a bit in any uplink frame to test robustness. Static.');