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Diffstat (limited to 'gr-usrp/src/db_basic.py')
| -rw-r--r-- | gr-usrp/src/db_basic.py | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/gr-usrp/src/db_basic.py b/gr-usrp/src/db_basic.py deleted file mode 100644 index c9947aa0b..000000000 --- a/gr-usrp/src/db_basic.py +++ /dev/null @@ -1,252 +0,0 @@ -# -# Copyright 2005 Free Software Foundation, Inc. -# -# This file is part of GNU Radio -# -# GNU Radio is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GNU Radio is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Radio; see the file COPYING. If not, write to -# the Free Software Foundation, Inc., 51 Franklin Street, -# Boston, MA 02110-1301, USA. -# - -import sys -from usrpm import usrp_dbid -import db_base -import db_instantiator - -class db_basic_tx(db_base.db_base): - def __init__(self, usrp, which): - """ - Handler for Basic Tx daughterboards. - - @param usrp: instance of usrp.source_c - @param which: which side: 0 or 1 corresponding to TX_A or TX_B respectively - """ - # sets _u and _which - db_base.db_base.__init__(self, usrp, which) - - if 0: # Doing this would give us a different default than the historical values... - g = self.gain_range() # initialize gain - self.set_gain(float(g[0]+g[1]) / 2) - - - def freq_range(self): - """ - Return range of frequencies in Hz that can be tuned by this d'board. - - @returns (min_freq, max_freq, step_size) - @rtype tuple - - We say we can do pretty much anything... - """ - return (-90e9, 90e9, 1e-6) - - def set_freq(self, target_freq): - """ - Set the frequency. - - @param freq: target RF frequency in Hz - @type freq: float - - @returns (ok, actual_baseband_freq) where: - ok is True or False and indicates success or failure, - actual_baseband_freq is the RF frequency that corresponds to DC in the IF. - """ - return (True, 0) - - def gain_range(self): - """ - Return range of gain that can be set by this d'board. - - @returns (min_gain, max_gain, step_size) - Where gains are expressed in decibels (your mileage may vary) - """ - return (self._u.pga_min(), self._u.pga_max(), self._u.pga_db_per_step()) - - def set_gain(self, gain): - """ - Set the gain. - - @param gain: gain in decibels - @returns True/False - """ - ok = self._u.set_pga(self._which * 2 + 0, gain) - ok = ok and self._u.set_pga(self._which * 2 + 1, gain) - return ok - - def is_quadrature(self): - """ - Return True if this board requires both I & Q analog channels. - """ - return True - - -class db_basic_rx(db_base.db_base): - def __init__(self, usrp, which, subdev): - """ - Handler for Basic Rx daughterboards. - - @param usrp: instance of usrp.source_c - @param which: which side: 0 or 1 corresponding to RX_A or RX_B respectively - @param subdev: which analog i/o channel: 0 or 1 - @type subdev: int - """ - # sets _u and _which - db_base.db_base.__init__(self, usrp, which) - self._subdev = subdev - - self.bypass_adc_buffers(True) - - if 0: # Doing this would give us a different default than the historical values... - g = self.gain_range() # initialize gain - self.set_gain(float(g[0]+g[1]) / 2) - - - def freq_range(self): - """ - Return range of frequencies in Hz that can be tuned by this d'board. - - @returns (min_freq, max_freq, step_size) - @rtype tuple - - We say we can do pretty much anything... - """ - return (0, 90e9, 1e-6) - - def set_freq(self, target_freq): - """ - Set the frequency. - - @param freq: target RF frequency in Hz - @type freq: float - - @returns (ok, actual_baseband_freq) where: - ok is True or False and indicates success or failure, - actual_baseband_freq is the RF frequency that corresponds to DC in the IF. - """ - return (True, 0) - - - def gain_range(self): - """ - Return range of gain that can be set by this d'board. - - @returns (min_gain, max_gain, step_size) - Where gains are expressed in decibels (your mileage may vary) - """ - return (self._u.pga_min(), self._u.pga_max(), self._u.pga_db_per_step()) - - def set_gain(self, gain): - """ - Set the gain. - - @param gain: gain in decibels - @returns True/False - """ - return self._u.set_pga(self._which * 2 + self._subdev, gain) - - def is_quadrature(self): - """ - Return True if this board requires both I & Q analog channels. - - This bit of info is useful when setting up the USRP Rx mux register. - """ - return False - -class db_lf_rx(db_basic_rx): - def __init__(self, usrp, which, subdev): - """ - Handler for Low Freq Rx daughterboards. - - @param usrp: instance of usrp.source_c - @param which: which side: 0 or 1 corresponding to RX_A or RX_B respectively - @param subdev: which analog i/o channel: 0 or 1 - @type subdev: int - """ - # sets _u and _which - db_basic_rx.__init__(self, usrp, which, subdev) - - def freq_range(self): - """ - Return range of frequencies in Hz that can be tuned by this d'board. - - @returns (min_freq, max_freq, step_size) - @rtype tuple - - We cover the first nyquist zone only - """ - return (0, 32e6, 1e-6) - -class db_lf_tx(db_basic_tx): - def __init__(self, usrp, which): - """ - Handler for Low Freq Tx daughterboards. - - @param usrp: instance of usrp.source_c - @param which: which side: 0 or 1 corresponding to RX_A or RX_B respectively - """ - # sets _u and _which - db_basic_tx.__init__(self, usrp, which) - - def freq_range(self): - """ - Return range of frequencies in Hz that can be tuned by this d'board. - - @returns (min_freq, max_freq, step_size) - @rtype tuple - - We cover the first nyquist zone only - """ - return (-32e6, 32e6, 1e-6) - - -# hook these daughterboard classes into the auto-instantiation framework - -def _basic_rx_instantiator(usrp, which): - # two single channel subdevices - return (db_basic_rx(usrp, which, 0), db_basic_rx(usrp, which, 1)) - -def _lf_rx_instantiator(usrp, which): - # two single channel subdevices - return (db_lf_rx(usrp, which, 0), db_lf_rx(usrp, which, 1)) - -def _basic_tx_instantiator(usrp, which): - # one quadrature subdevice - return (db_basic_tx(usrp, which),) - -def _lf_tx_instantiator(usrp, which): - # one quadrature subdevice - return (db_lf_tx(usrp, which),) - -def _no_db_instantiator(usrp, which): - if hasattr(usrp, 'tx_freq'): # is this a tx or rx daughterboard? - return (_basic_tx_instantiator(usrp, which)) - else: - return (_basic_rx_instantiator(usrp, which)) - -def _invalid_instantiator(usrp, which): - if hasattr(usrp, 'tx_freq'): # is this a tx or rx daughterboard? - sys.stderr.write('\n\aWarning: Treating daughterboard with invalid EEPROM contents as if it were a "Basic Tx."\n') - sys.stderr.write('Warning: This is almost certainly wrong... Use appropriate burn-*-eeprom utility.\n\n') - return _basic_tx_instantiator(usrp, which) - else: - sys.stderr.write('\n\aWarning: Treating daughterboard with invalid EEPROM contents as if it were a "Basic Rx."\n') - sys.stderr.write('Warning: This is almost certainly wrong... Use appropriate burn-*-eeprom utility.\n\n') - return _basic_rx_instantiator(usrp, which) - -db_instantiator.add(-1, _no_db_instantiator) # no daughterboard -db_instantiator.add(-2, _invalid_instantiator) # invalid eeprom contents -db_instantiator.add(usrp_dbid.BASIC_TX, _basic_tx_instantiator) -db_instantiator.add(usrp_dbid.BASIC_RX, _basic_rx_instantiator) -db_instantiator.add(usrp_dbid.LF_TX, _lf_tx_instantiator) -db_instantiator.add(usrp_dbid.LF_RX, _lf_rx_instantiator) |