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#
# Copyright 2018 Ettus Research, a National Instruments Company
# Copyright 2019 Ettus Research, a National Instruments Brand
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
"""
E310 dboard (RF and control) implementation module
"""
from usrp_mpm import lib # Pulls in everything from C++-land
from usrp_mpm.dboard_manager import DboardManagerBase, AD936xDboard
from usrp_mpm.mpmlog import get_logger
from usrp_mpm.periph_manager.e31x_periphs import MboardRegsControl
DEFAULT_MASTER_CLOCK_RATE = 16e6
###############################################################################
# Main dboard control class
###############################################################################
class E31x_db(DboardManagerBase, AD936xDboard):
"""
Holds all dboard specific information and methods of the E31x_db dboard
"""
#########################################################################
# Overridables
#
# See DboardManagerBase for documentation on these fields
#########################################################################
pids = [0x0110]
rx_sensor_callback_map = {
'ad9361_temperature': 'get_catalina_temp_sensor',
'rssi' : 'get_rssi_sensor',
# For backward compatibility reasons we have the same sensor with two
# different names
'lo_lock' : 'get_rx_lo_lock_sensor',
'lo_locked' : 'get_rx_lo_lock_sensor',
}
tx_sensor_callback_map = {
'ad9361_temperature': 'get_catalina_temp_sensor',
# For backward compatibility reasons we have the same sensor with two
# different names
'lo_lock' : 'get_tx_lo_lock_sensor',
'lo_locked' : 'get_tx_lo_lock_sensor',
}
# Maps the chipselects to the corresponding devices:
spi_chipselect = {"catalina": 0}
### End of overridables #################################################
# MB regs label: Needed to access the lock bit
mboard_regs_label = "mboard-regs"
def __init__(self, slot_idx, **kwargs):
DboardManagerBase.__init__(self, slot_idx, **kwargs)
AD936xDboard.__init__(
self, lambda: MboardRegsControl(self.mboard_regs_label, self.log))
self.log = get_logger("E31x_db-{}".format(slot_idx))
self.log.trace("Initializing e31x daughterboard, slot index %d",
self.slot_idx)
self.swap_fe = True
self.rev = int(self.device_info['rev'])
self.log.trace("This is a rev: {}".format(chr(65 + self.rev)))
# These will get updated during init()
self.master_clock_rate = None
# Now initialize all peripherals. If that doesn't work, put this class
# into a non-functional state (but don't crash, or we can't talk to it
# any more):
try:
self._init_periphs()
self._periphs_initialized = True
except BaseException as ex:
self.log.error("Failed to initialize peripherals: %s", str(ex))
self._periphs_initialized = False
def _init_periphs(self):
"""
Initialize power and peripherals that don't need user-settings
"""
self.log.debug("Loading C++ drivers...")
# Setup AD9361 / the E31x_db Manager
self._device = lib.dboards.e31x_db_manager(self._spi_nodes['catalina'])
ad936x_rfic = self._device.get_radio_ctrl()
self.log.trace("Loaded C++ drivers.")
self._init_cat_api(ad936x_rfic)
def init(self, args):
"""
Initialize RF. Remember that we might have to do this from scratch every
time because of the FPGA reload.
"""
if not self._periphs_initialized:
error_msg = "Cannot run init(), peripherals are not initialized!"
self.log.error(error_msg)
raise RuntimeError(error_msg)
master_clock_rate = \
float(args.get('master_clock_rate', DEFAULT_MASTER_CLOCK_RATE))
self.init_rfic(master_clock_rate)
return True
def tear_down(self):
"""
De-init this object as much as possible.
"""
self.tear_down_rfic()
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