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e320: Ensure GPSDO is cleanly reset upon radio power-on #757

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e320: Ensure GPSDO is cleanly reset upon radio power-on #757

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7 changes: 6 additions & 1 deletion mpm/python/usrp_mpm/periph_manager/e320.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
import bisect
import copy
import re
import time
from functools import partial
from six import iteritems
from usrp_mpm.compat_num import CompatNumber
Expand Down Expand Up @@ -261,7 +262,11 @@ def _init_peripherals(self, args):
# Init peripherals
self._gps_enabled = None # Assume indeterminant, will latch _def_gps_enabled
self._def_gps_enabled = str2bool(args.get('enable_gps', E320_DEFAULT_ENABLE_GPS))
self.enable_gps(self._def_gps_enabled)
# Ensure clean power-on for GPS receiver
self.enable_gps(False)
if self._def_gps_enabled:
time.sleep(0.100) # held off for 100ms
self.enable_gps(True)
self.enable_fp_gpio(
enable=args.get('enable_fp_gpio', E320_DEFAULT_ENABLE_FPGPIO)
)
Expand Down
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