#
-# Copyright 2005,2006 Free Software Foundation, Inc.
+# Copyright 2005,2006,2007 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 2, or (at your option)
+# 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,
#
# 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., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
#
-import usrp_prims
import weakref
-from usrp_fpga_regs import *
+from usrpm import usrp_prims
+from usrpm.usrp_fpga_regs import *
class db_base(object):
"""
self._tx = False
self._slot = which * 2 + 1
- FR_TX_A_REFCLK = 40
- FR_RX_A_REFCLK = 41
- FR_TX_B_REFCLK = 42
- FR_RX_B_REFCLK = 43
-
self._refclk_reg = (FR_TX_A_REFCLK,FR_RX_A_REFCLK,FR_TX_B_REFCLK,FR_RX_B_REFCLK)[self._slot]
-
def dbid(self):
return self._u.daughterboard_id(self._which)
# Bit 7 -- 1 turns on refclk, 0 allows IO use
# Bits 6:0 Divider value
#
- # FIXME get these from the fpga_regs_standard.h
def _refclk_freq(self):
return self._u.fpga_master_clock_freq()/self._refclk_divisor()
"""
return self._u._write_fpga_reg(FR_ATR_RXVAL_0 + 3 * self._slot, v)
+ def set_atr_tx_delay(self, v):
+ """
+ Set Auto T/R delay (in clock ticks) from when Tx fifo gets data to
+ when T/R switches.
+ """
+ return self._u._write_fpga_reg(FR_ATR_TX_DELAY, v)
+
+ def set_atr_rx_delay(self, v):
+ """
+ Set Auto T/R delay (in clock ticks) from when Tx fifo goes empty to
+ when T/R switches.
+ """
+ return self._u._write_fpga_reg(FR_ATR_RX_DELAY, v)
+
# derived classes should override the following methods
def freq_range(self):
def i_and_q_swapped(self):
"""
- Return True if this is a quadrature device and ADC 0 is Q.
+ Return True if this is a quadrature device and (for RX) ADC 0 is Q
+ or (for TX) DAC 0 is Q
"""
return False
"""
pass
+ def set_lo_offset(self, offset):
+ """
+ Set how much LO is offset from requested frequency
+
+ Should be overriden by daughterboards that care.
+ """
+ pass
+
+ def lo_offset(self, offset):
+ """
+ Get how much LO is offset from requested frequency
+
+ Should be overriden by daughterboards that care.
+ """
+ return 0.0
+
+ def select_rx_antenna(self, which_antenna):
+ """
+ Specify which antenna port to use for reception.
+ Should be overriden by daughterboards that care.
+ """
+ pass