1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
//
// Copyright 2011 Ettus Research LLC
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//
#include "db_wbx_common.hpp"
#include "adf4350_regs.hpp"
#include <uhd/types/dict.hpp>
#include <uhd/types/ranges.hpp>
#include <uhd/types/sensors.hpp>
#include <uhd/utils/assert_has.hpp>
#include <uhd/utils/algorithm.hpp>
#include <uhd/utils/msg.hpp>
using namespace uhd;
using namespace uhd::usrp;
using namespace boost::assign;
/***********************************************************************
* Gain-related functions
**********************************************************************/
static int rx_pga0_gain_to_iobits(double &gain){
//clip the input
gain = wbx_rx_gain_ranges["PGA0"].clip(gain);
//convert to attenuation
double attn = wbx_rx_gain_ranges["PGA0"].stop() - gain;
//calculate the attenuation
int attn_code = boost::math::iround(attn*2);
int iobits = ((~attn_code) << RX_ATTN_SHIFT) & RX_ATTN_MASK;
UHD_LOGV(often) << boost::format(
"WBX RX Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x"
) % attn % attn_code % (iobits & RX_ATTN_MASK) % RX_ATTN_MASK << std::endl;
//the actual gain setting
gain = wbx_rx_gain_ranges["PGA0"].stop() - double(attn_code)/2;
return iobits;
}
/***********************************************************************
* WBX Common Implementation
**********************************************************************/
wbx_base::wbx_base(ctor_args_t args) : xcvr_dboard_base(args){
//enable the clocks that we need
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_TX, true);
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true);
////////////////////////////////////////////////////////////////////
// Register RX properties
////////////////////////////////////////////////////////////////////
this->get_rx_subtree()->create<sensor_value_t>("sensors/lo_locked")
.publish(boost::bind(&wbx_base::get_locked, this, dboard_iface::UNIT_RX));
BOOST_FOREACH(const std::string &name, wbx_rx_gain_ranges.keys()){
this->get_rx_subtree()->create<double>("gains/"+name+"/value")
.coerce(boost::bind(&wbx_base::set_rx_gain, this, _1, name))
.set(wbx_rx_gain_ranges[name].start());
this->get_rx_subtree()->create<meta_range_t>("gains/"+name+"/range")
.set(wbx_rx_gain_ranges[name]);
}
this->get_rx_subtree()->create<std::string>("connection").set("IQ");
this->get_rx_subtree()->create<bool>("enabled")
.subscribe(boost::bind(&wbx_base::set_rx_enabled, this, _1))
.set(true); //start enabled
this->get_rx_subtree()->create<bool>("use_lo_offset").set(false);
this->get_rx_subtree()->create<double>("bandwidth/value").set(2*20.0e6); //20MHz low-pass, we want complex double-sided
this->get_rx_subtree()->create<meta_range_t>("bandwidth/range")
.set(freq_range_t(2*20.0e6, 2*20.0e6));
////////////////////////////////////////////////////////////////////
// Register TX properties
////////////////////////////////////////////////////////////////////
this->get_tx_subtree()->create<sensor_value_t>("sensors/lo_locked")
.publish(boost::bind(&wbx_base::get_locked, this, dboard_iface::UNIT_TX));
this->get_tx_subtree()->create<std::string>("connection").set("IQ");
this->get_tx_subtree()->create<bool>("use_lo_offset").set(false);
this->get_tx_subtree()->create<double>("bandwidth/value").set(2*20.0e6); //20MHz low-pass, we want complex double-sided
this->get_tx_subtree()->create<meta_range_t>("bandwidth/range")
.set(freq_range_t(2*20.0e6, 2*20.0e6));
// instantiate subclass foo
switch(get_rx_id().to_uint16()) {
case 0x053:
db_actual = wbx_versionx_sptr(new wbx_version2(this));
return;
case 0x057:
db_actual = wbx_versionx_sptr(new wbx_version3(this));
return;
case 0x063:
db_actual = wbx_versionx_sptr(new wbx_version4(this));
return;
default:
/* We didn't recognize the version of the board... */
UHD_THROW_INVALID_CODE_PATH();
}
}
wbx_base::~wbx_base(void){
/* NOP */
}
/***********************************************************************
* Enables
**********************************************************************/
void wbx_base::set_rx_enabled(bool enb){
this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX,
(enb)? RX_POWER_UP : RX_POWER_DOWN, RX_POWER_UP | RX_POWER_DOWN
);
}
/***********************************************************************
* Gain Handling
**********************************************************************/
double wbx_base::set_rx_gain(double gain, const std::string &name){
assert_has(wbx_rx_gain_ranges.keys(), name, "wbx rx gain name");
if(name == "PGA0"){
boost::uint16_t io_bits = rx_pga0_gain_to_iobits(gain);
_rx_gains[name] = gain;
//write the new gain to rx gpio outputs
this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, io_bits, RX_ATTN_MASK);
}
else UHD_THROW_INVALID_CODE_PATH();
return _rx_gains[name]; //returned shadowed
}
/***********************************************************************
* Tuning
**********************************************************************/
double wbx_base::set_lo_freq(dboard_iface::unit_t unit, double target_freq) {
return db_actual->set_lo_freq(unit, target_freq);
}
sensor_value_t wbx_base::get_locked(dboard_iface::unit_t unit){
const bool locked = (this->get_iface()->read_gpio(unit) & LOCKDET_MASK) != 0;
return sensor_value_t("LO", locked, "locked", "unlocked");
}
|
