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//
// 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){
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
);
}
void wbx_base::set_tx_enabled(bool enb){
db_actual->set_tx_enabled(enb);
}
/***********************************************************************
* Gain Handling
**********************************************************************/
void wbx_base::set_tx_gain(double gain, const std::string &name){
db_actual->set_tx_gain(gain, name);
}
void 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();
}
/***********************************************************************
* Tuning
**********************************************************************/
freq_range_t wbx_base::get_freq_range(void) {
return db_actual->get_freq_range();
}
double wbx_base::set_lo_freq(dboard_iface::unit_t unit, double target_freq) {
return db_actual->set_lo_freq(unit, target_freq);
}
bool wbx_base::get_locked(dboard_iface::unit_t unit){
return (this->get_iface()->read_gpio(unit) & LOCKDET_MASK) != 0;
}
/***********************************************************************
* RX Get and Set
**********************************************************************/
void wbx_base::rx_get(const wax::obj &key_, wax::obj &val){
named_prop_t key = named_prop_t::extract(key_);
//handle the get request conditioned on the key
switch(key.as<subdev_prop_t>()){
case SUBDEV_PROP_NAME:
val = get_rx_id().to_pp_string();
return;
case SUBDEV_PROP_OTHERS:
val = prop_names_t(); //empty
return;
case SUBDEV_PROP_GAIN:
assert_has(_rx_gains.keys(), key.name, "wbx rx gain name");
val = _rx_gains[key.name];
return;
case SUBDEV_PROP_GAIN_RANGE:
assert_has(wbx_rx_gain_ranges.keys(), key.name, "wbx rx gain name");
val = wbx_rx_gain_ranges[key.name];
return;
case SUBDEV_PROP_GAIN_NAMES:
val = prop_names_t(wbx_rx_gain_ranges.keys());
return;
case SUBDEV_PROP_FREQ:
val = 0.0;
return;
case SUBDEV_PROP_FREQ_RANGE:
val = freq_range_t(0.0, 0.0, 0.0);;
return;
case SUBDEV_PROP_ANTENNA:
val = std::string("");
return;
case SUBDEV_PROP_ANTENNA_NAMES:
val = prop_names_t(1, "");
return;
case SUBDEV_PROP_CONNECTION:
val = SUBDEV_CONN_COMPLEX_IQ;
return;
case SUBDEV_PROP_ENABLED:
val = _rx_enabled;
return;
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
case SUBDEV_PROP_SENSOR:
UHD_ASSERT_THROW(key.name == "lo_locked");
val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_RX), "locked", "unlocked");
return;
case SUBDEV_PROP_SENSOR_NAMES:
val = prop_names_t(1, "lo_locked");
return;
case SUBDEV_PROP_BANDWIDTH:
val = 2*20.0e6; //20MHz low-pass, we want complex double-sided
return;
default: UHD_THROW_PROP_GET_ERROR();
}
}
void wbx_base::rx_set(const wax::obj &key_, const wax::obj &val){
named_prop_t key = named_prop_t::extract(key_);
//handle the get request conditioned on the key
switch(key.as<subdev_prop_t>()){
case SUBDEV_PROP_GAIN:
this->set_rx_gain(val.as<double>(), key.name);
return;
case SUBDEV_PROP_ENABLED:
_rx_enabled = val.as<bool>();
this->set_rx_enabled(_rx_enabled);
return;
case SUBDEV_PROP_BANDWIDTH:
UHD_MSG(warning) << "WBX: No tunable bandwidth, fixed filtered to 40MHz";
return;
default: UHD_THROW_PROP_SET_ERROR();
}
}
/***********************************************************************
* TX Get and Set
**********************************************************************/
void wbx_base::tx_get(const wax::obj &key_, wax::obj &val){
db_actual->tx_get(key_, val);
}
void wbx_base::tx_set(const wax::obj &key_, const wax::obj &val){
named_prop_t key = named_prop_t::extract(key_);
//handle the get request conditioned on the key
switch(key.as<subdev_prop_t>()){
case SUBDEV_PROP_GAIN:
this->set_tx_gain(val.as<double>(), key.name);
return;
case SUBDEV_PROP_ENABLED:
_tx_enabled = val.as<bool>();
this->set_tx_enabled(_tx_enabled);
return;
case SUBDEV_PROP_BANDWIDTH:
UHD_MSG(warning) << "WBX: No tunable bandwidth, fixed filtered to 40MHz";
return;
default: UHD_THROW_PROP_SET_ERROR();
}
}
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