1 files changed, 0 insertions, 327 deletions
diff --git a/usrp/host/lib/db_dtt754.cc b/usrp/host/lib/db_dtt754.cc
deleted file mode 100644
index 9ced705e4a..0000000000
--- a/usrp/host/lib/db_dtt754.cc
+++ /dev/null
@@ -1,327 +0,0 @@
-/* -*- c++ -*- */
-//
-// 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_dtt754.h>
-#include <db_base_impl.h>
-
-int
-control_byte_1()
-{
-  int RS = 0;  // 0 = 166.66kHz reference
-  int ATP = 7; // Disable internal AGC
-  return (0x80 | ATP<<3 | RS);
-}
-
-int
-control_byte_2()
-{
-  int STBY = 0;  // powered on
-  int XTO = 1;   // turn off xtal out, which we don't have
-  int ATC = 0;   // not clear exactly, possibly speeds up or slows down AGC, which we are not using
-  
-  int c = 0xc2 | ATC<<5 | STBY<<4 | XTO;
-  return c;
-}
-
-int
-bandswitch_byte(float freq, float bw)
-{
-  int P5, CP, BS;
-
-  if(bw>7.5e6) {
-    P5 = 1;
-  }
-  else {
-    P5 = 0;
-  }
-
-  if(freq < 121e6) {
-    CP = 0;
-    BS = 1;
-  }
-  else if(freq < 141e6) {
-    CP = 1;
-    BS = 1;
-  }
-  else if(freq < 166e6) {
-    CP = 2;
-    BS = 1;
-  }
-  else if(freq < 182e6) {
-    CP = 3;
-    BS = 1;
-  }
-  else if(freq < 286e6) {
-    CP = 0;
-    BS = 2;
-  }
-  else if(freq < 386e6) {
-    CP = 1;
-    BS = 2;
-  }
-  else if(freq < 446e6) {
-    CP = 2;
-    BS = 2;
-  }
-  else if(freq < 466e6) {
-    CP = 3;
-    BS = 2;
-  }
-  else if(freq < 506e6) {
-    CP = 0;
-    BS = 8;
-  }
-  else if(freq < 761e6) {
-    CP = 1;
-    BS = 8;
-  }
-  else if(freq < 846e6) {
-    CP = 2;
-    BS = 8;
-  }
-  else { // limit is ~905 MHz
-    CP = 3;
-    BS = 8;
-  }
-  return (CP<<6 | P5 << 4 | BS);
-}
-
-db_dtt754::db_dtt754(usrp_basic_sptr _usrp, int which)
-  : db_base(_usrp, which)
-{
-  /*
-   * Control custom DTT75403-based daughterboard.
-   * 
-   * @param usrp: instance of usrp.source_c
-   * @param which: which side: 0 or 1 corresponding to RX_A or RX_B respectively
-   * @type which: int
-   */
-
-  // FIXME: DTT754 and DTT768 can probably inherit from a DTT class
-  
-  if(d_which == 0) {
-    d_i2c_addr = 0x60;
-  }
-  else {
-    d_i2c_addr = 0x62;
-  }
-
-  d_bw = 7e6;
-  d_IF = 36e6;
-        
-  d_f_ref = 166.6666e3;
-  d_inverted = false;
-
-  set_gain((gain_min() + gain_max()) / 2.0);
-
-  bypass_adc_buffers(false);
-}
-
-db_dtt754::~db_dtt754()
-{
-}
-  
-float
-db_dtt754::gain_min()
-{
-  return 0;
-}
-
-float
-db_dtt754::gain_max()
-{
-  return 115;
-}
-
-float
-db_dtt754::gain_db_per_step()
-{
-  return 1;
-}
-
-bool
-db_dtt754::set_gain(float gain)
-{
-  assert(gain>=0 && gain<=115);
-
-  float rfgain, ifgain, pgagain;
-  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; // can't fail with the assert in place
-}
-
-double
-db_dtt754::freq_min()
-{
-  return 44e6;
-}
-
-double
-db_dtt754::freq_max()
-{
-  return 900e6;
-}
-
-struct freq_result_t
-db_dtt754::set_freq(double target_freq)
-{
-  /*
-   * @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.
-   */
-  
-  freq_result_t ret = {false, 0.0};
-
-  if(target_freq < freq_min() || target_freq > freq_max()) {
-    return ret;
-  }
-        
-  double target_lo_freq = target_freq + d_IF;  // High side mixing
-
-  int divisor = (int)(0.5+(target_lo_freq / d_f_ref));
-  double actual_lo_freq = d_f_ref*divisor;
-  
-  if((divisor & ~0x7fff) != 0) {		// must be 15-bits or less
-    return ret;
-  }
-  
-  // build i2c command string
-  std::vector<int> buf(5);
-  buf[0] = (divisor >> 8) & 0xff;          // DB1
-  buf[1] = divisor & 0xff;                 // DB2
-  buf[2] = control_byte_1();
-  buf[3] = bandswitch_byte(actual_lo_freq, d_bw);
-  buf[4] = control_byte_2();
-
-  bool ok = usrp()->write_i2c(d_i2c_addr, int_seq_to_str (buf));
-
-  d_freq = actual_lo_freq - d_IF;
-        
-  ret.ok = ok;
-  ret.baseband_freq = actual_lo_freq;
-
-  return ret;
-
-}
-  
-bool
-db_dtt754::is_quadrature()
-{
-  /*
-   * 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;
-}
-
-bool
-db_dtt754::spectrum_inverted()
-{
-  /*
-   * The 43.75 MHz version is inverted
-   */
-  
-  return d_inverted;
-}
-
-bool
-db_dtt754::set_bw(float bw)
-{
-  /*
-   * Choose the SAW filter bandwidth, either 7MHz or 8MHz)
-   */
-
-  d_bw = bw;
-  set_freq(d_freq);
-
-  return true; // FIXME: propagate set_freq result
-}
-
-void
-db_dtt754::_set_rfagc(float gain)
-{
-  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?
-  float voltage;
-  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_dtt754::_set_ifagc(float gain)
-{
-  assert(gain <= 35 && gain >= 0);
-  float 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_dtt754::_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);
-  }
-}