1 files changed, 0 insertions, 278 deletions
diff --git a/usrp/host/lib/db_tv_rx.cc b/usrp/host/lib/db_tv_rx.cc
deleted file mode 100644
index 1822479e1b..0000000000
--- a/usrp/host/lib/db_tv_rx.cc
+++ /dev/null
@@ -1,278 +0,0 @@
-//
-// Copyright 2008,2009 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 asversion 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.
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <usrp/db_tv_rx.h>
-#include <db_base_impl.h>
-
-/*****************************************************************************/
-
-int
-control_byte_1(bool fast_tuning_p, int reference_divisor)
-{
-  int c = 0x88;
-  if(fast_tuning_p) {
-    c |= 0x40;
-  }
-
-  if(reference_divisor == 512) {
-    c |= 0x3 << 1;
-  }
-  else if(reference_divisor == 640) {
-    c |= 0x0 << 1;
-  }
-  else if(reference_divisor == 1024) {
-    c |= 0x1 << 1;
-  }
-  else {
-    assert(0);
-  }
-
-  return c;
-}
-
-int
-control_byte_2(double target_freq, bool shutdown_tx_PGA)
-{
-  int c;
-  if(target_freq < 158e6) {        // VHF low
-    c = 0xa0;
-  }
-  else if(target_freq < 464e6) {   // VHF high
-    c = 0x90;
-  }
-  else {                           // UHF
-    c = 0x30;
-  }
-
-  if(shutdown_tx_PGA) {
-    c |= 0x08;
-  }
-
-  return c;
-}
-
-
-/*****************************************************************************/
-
-
-db_tv_rx::db_tv_rx(usrp_basic_sptr usrp, int which,
-		   double first_IF, double second_IF)
-  : db_base(usrp, which)
-{
-  // Handler for Tv Rx daughterboards.
-  // 
-  // @param usrp: instance of usrp.source_c
-  // @param which: which side: 0, 1 corresponding to RX_A or RX_B respectively
-
-  if(which == 0) {
-    d_i2c_addr = 0x60;
-  }
-  else {
-    d_i2c_addr = 0x61;
-  }
-
-  d_first_IF = first_IF;
-  d_second_IF = second_IF;
-  d_reference_divisor = 640;
-  d_fast_tuning = false;
-  d_inverted = false;                     // FIXME get rid of this
-  
-  set_gain((gain_min() + gain_max()) / 2.0);       // initialize gain
-
-  bypass_adc_buffers(false);
-}
-
-db_tv_rx::~db_tv_rx()
-{
-}
-
-// Gain setting
-void
-db_tv_rx::_set_rfagc(float gain)
-{
-  float voltage;
-
-  assert(gain <= 60 && gain >= 0);
-  // FIXME this has a 0.5V step between gain = 60 and gain = 59.
-  // Why are there two cases instead of a single linear case?
-  if(gain == 60) {
-    voltage = 4;
-  }
-  else {
-    voltage = gain/60.0 * 2.25 + 1.25;
-  }
-  int dacword = int(4096*voltage/1.22/3.3);    // 1.22 = opamp gain
-
-  assert(dacword>=0 && dacword<4096);
-  usrp()->write_aux_dac(d_which, 1, dacword);
-}
-
-void
-db_tv_rx::_set_ifagc(float gain)
-{
-  float voltage;
-
-  assert(gain <= 35 && gain >= 0);
-  voltage = gain/35.0 * 2.1 + 1.4;
-  int dacword = int(4096*voltage/1.22/3.3);    // 1.22 = opamp gain
-  
-  assert(dacword>=0 && dacword<4096);
-  usrp()->write_aux_dac(d_which, 0, dacword);
-}
-
-void
-db_tv_rx::_set_pga(float pga_gain)
-{
-  assert(pga_gain >=0 && pga_gain <=20);
-  if(d_which == 0) {
-    usrp()->set_pga(0, pga_gain);
-  }
-  else {
-    usrp()->set_pga (2, pga_gain);
-  }
-}           
-
-double
-db_tv_rx::freq_min()
-{
-  return 50e6;
-}
-
-double
-db_tv_rx::freq_max()
-{
-  return 860e6;
-}
-
-struct freq_result_t
-db_tv_rx::set_freq(double target_freq)
-{
-  // Set the frequency.
-  // 
-  // @param freq:  target RF frequency in Hz
-  // @type freq:   double
-  // 
-  // @returns (ok, actual_baseband_freq) where:
-  //   ok is True or False and indicates success or failure,
-  //   actual_baseband_freq is RF frequency that corresponds to DC in the IF.
-  
-  freq_result_t args = {false, 0};
-
-  double fmin = freq_min();
-  double fmax = freq_max();
-  if((target_freq < fmin) || (target_freq > fmax)) {
-    return args;
-  }
-  
-  double target_lo_freq = target_freq + d_first_IF;    // High side mixing
-  double f_ref = 4.0e6 / (double)(d_reference_divisor); // frequency steps
-
-  int divisor = int((target_lo_freq + (f_ref * 4)) / (f_ref * 8));  
-  double actual_lo_freq = (f_ref * 8 * divisor);
-  double actual_freq = actual_lo_freq - d_first_IF;
-
-  if((divisor & ~0x7fff) != 0) {		// must be 15-bits or less
-    return args;
-  }
-
-  // build i2c command string
-  std::vector<int> buf(4);
-  buf[0] = (divisor >> 8) & 0xff;         // DB1
-  buf[1] = divisor & 0xff;                // DB2
-  buf[2] = control_byte_1(d_fast_tuning, d_reference_divisor);
-  buf[3] = control_byte_2(actual_freq, true);
-
-  args.ok = usrp()->write_i2c(d_i2c_addr, int_seq_to_str (buf));
-  args.baseband_freq = actual_freq - d_second_IF;
-  return args;
-}
-
-float
-db_tv_rx::gain_min()
-{
-  return 0;
-}
-
-float
-db_tv_rx::gain_max()
-{
-  return 115;
-}
-
-float
-db_tv_rx::gain_db_per_step()
-{
-  return 1;
-}
-
-bool 
-db_tv_rx::set_gain(float gain)
-{
-  // Set the gain.
-  // 
-  // @param gain:  gain in decibels
-  // @returns True/False
-
-  float rfgain, ifgain, pgagain;
-
-  assert(gain>=0 && gain<=115);
-  if(gain>60) {
-    rfgain = 60;
-    gain = gain - 60;
-  }
-  else {
-    rfgain = gain;
-    gain = 0;
-  }
-   
-  if(gain > 35) {
-    ifgain = 35;
-    gain = gain - 35;
-  }
-  else {
-    ifgain = gain;
-    gain = 0;
-  }
-
-  pgagain = gain;
-  _set_rfagc(rfgain);
-  _set_ifagc(ifgain);
-  _set_pga(pgagain);
-
-  return true;
-}
-
-bool 
-db_tv_rx::is_quadrature()
-{
-  // Return True if this board requires both I & Q analog channels.  
-  return false;
-}
-
-bool
-db_tv_rx::spectrum_inverted() 
-{
-  // The 43.75 MHz version is inverted
-  return d_inverted;
-}