/***********************************************************************
* Structors
**********************************************************************/
wbx_xcvr::wbx_xcvr(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);
//set the gpio directions and atr controls (identically)
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, TXIO_MASK);
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXIO_MASK);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TXIO_MASK);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RXIO_MASK);
if (wbx_debug) std::cerr << boost::format(
"WBX GPIO Direction: RX: 0x%08x, TX: 0x%08x"
) % RXIO_MASK % TXIO_MASK << std::endl;
//set some default values
set_rx_lo_freq((wbx_freq_range.start() + wbx_freq_range.stop())/2.0);
set_tx_lo_freq((wbx_freq_range.start() + wbx_freq_range.stop())/2.0);
set_rx_ant("RX2");
BOOST_FOREACH(const std::string &name, wbx_tx_gain_ranges.keys()){
set_tx_gain(wbx_tx_gain_ranges[name].start(), name);
}
BOOST_FOREACH(const std::string &name, wbx_rx_gain_ranges.keys()){
set_rx_gain(wbx_rx_gain_ranges[name].start(), name);
}
}
/***********************************************************************
* Structors
**********************************************************************/
sbx_xcvr::sbx_xcvr(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);
//set the gpio directions and atr controls (identically)
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, (TXIO_MASK|TX_LED_IO));
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, (RXIO_MASK|RX_LED_IO));
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, (TXIO_MASK|TX_LED_IO));
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, (RXIO_MASK|RX_LED_IO));
//flash LEDs
flash_leds();
UHD_LOGV(often) << boost::format(
"SBX GPIO Direction: RX: 0x%08x, TX: 0x%08x"
) % RXIO_MASK % TXIO_MASK << std::endl;
//set some default values
set_rx_lo_freq((sbx_freq_range.start() + sbx_freq_range.stop())/2.0);
set_tx_lo_freq((sbx_freq_range.start() + sbx_freq_range.stop())/2.0);
set_rx_ant("RX2");
BOOST_FOREACH(const std::string &name, sbx_tx_gain_ranges.keys()){
set_tx_gain(sbx_tx_gain_ranges[name].start(), name);
}
BOOST_FOREACH(const std::string &name, sbx_rx_gain_ranges.keys()){
set_rx_gain(sbx_rx_gain_ranges[name].start(), name);
}
}
/***********************************************************************
* RX Codec Properties
**********************************************************************/
void usrp2_mboard_impl::rx_codec_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<codec_prop_t>()){
case CODEC_PROP_NAME:
switch(_iface->get_rev()){
case usrp2_iface::USRP_N200:
case usrp2_iface::USRP_N210:
val = _iface->get_cname() + " adc - ads62p44";
break;
case usrp2_iface::USRP2_REV3:
case usrp2_iface::USRP2_REV4:
val = _iface->get_cname() + " adc - ltc2284";
break;
case usrp2_iface::USRP_NXXX:
val = _iface->get_cname() + " adc - ??????";
break;
}
return;
case CODEC_PROP_OTHERS:
val = prop_names_t();
return;
case CODEC_PROP_GAIN_NAMES:
switch(_iface->get_rev()){
case usrp2_iface::USRP_N200:
case usrp2_iface::USRP_N210:
val = prop_names_t(codec_rx_gain_ranges.keys());
return;
default: val = prop_names_t();
}
return;
case CODEC_PROP_GAIN_I:
case CODEC_PROP_GAIN_Q:
assert_has(_codec_rx_gains.keys(), key.name, "codec rx gain name");
val = _codec_rx_gains[key.name];
return;
case CODEC_PROP_GAIN_RANGE:
assert_has(codec_rx_gain_ranges.keys(), key.name, "codec rx gain range name");
val = codec_rx_gain_ranges[key.name];
return;
default: UHD_THROW_PROP_GET_ERROR();
}
}
/***********************************************************************
* Structors
**********************************************************************/
xcvr2450::xcvr2450(ctor_args_t args) : xcvr_dboard_base(args) {
//enable only the clocks we need
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_TX, true);
//set the gpio directions and atr controls (identically)
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, TXIO_MASK);
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXIO_MASK);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TXIO_MASK);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RXIO_MASK);
spi_reset(); //prepare the spi
_rx_bandwidth = 9.5e6;
_tx_bandwidth = 12.0e6;
//setup the misc max2829 registers
_max2829_regs.mimo_select = max2829_regs_t::MIMO_SELECT_MIMO;
_max2829_regs.band_sel_mimo = max2829_regs_t::BAND_SEL_MIMO_MIMO;
_max2829_regs.pll_cp_select = max2829_regs_t::PLL_CP_SELECT_4MA;
_max2829_regs.rssi_high_bw = max2829_regs_t::RSSI_HIGH_BW_6MHZ;
_max2829_regs.tx_lpf_coarse_adj = max2829_regs_t::TX_LPF_COARSE_ADJ_12MHZ;
_max2829_regs.rx_lpf_coarse_adj = max2829_regs_t::RX_LPF_COARSE_ADJ_9_5MHZ;
_max2829_regs.rx_lpf_fine_adj = max2829_regs_t::RX_LPF_FINE_ADJ_100;
_max2829_regs.rx_vga_gain_spi = max2829_regs_t::RX_VGA_GAIN_SPI_SPI;
_max2829_regs.rssi_output_range = max2829_regs_t::RSSI_OUTPUT_RANGE_HIGH;
_max2829_regs.rssi_op_mode = max2829_regs_t::RSSI_OP_MODE_ENABLED;
_max2829_regs.rssi_pin_fcn = max2829_regs_t::RSSI_PIN_FCN_RSSI;
_max2829_regs.rx_highpass = max2829_regs_t::RX_HIGHPASS_100HZ;
_max2829_regs.tx_vga_gain_spi = max2829_regs_t::TX_VGA_GAIN_SPI_SPI;
_max2829_regs.pa_driver_linearity = max2829_regs_t::PA_DRIVER_LINEARITY_78;
_max2829_regs.tx_vga_linearity = max2829_regs_t::TX_VGA_LINEARITY_78;
_max2829_regs.tx_upconv_linearity = max2829_regs_t::TX_UPCONV_LINEARITY_78;
//send initial register settings
for(boost::uint8_t reg = 0x2; reg <= 0xC; reg++) {
this->send_reg(reg);
}
//set defaults for LO, gains, antennas
set_lo_freq(2.45e9);
set_rx_ant(xcvr_antennas.at(0));
set_tx_ant(xcvr_antennas.at(1));
BOOST_FOREACH(const std::string &name, xcvr_tx_gain_ranges.keys()) {
set_tx_gain(xcvr_tx_gain_ranges[name].start(), name);
}
BOOST_FOREACH(const std::string &name, xcvr_rx_gain_ranges.keys()) {
set_rx_gain(xcvr_rx_gain_ranges[name].start(), name);
}
}
void enable_tx(bool enb){
_tx_enabled = enb;
_fx2_ctrl->usrp_tx_enable(enb);
BOOST_FOREACH(const std::string &key, _dbc.keys())
{
_dbc[key].codec->enable_tx_digital(enb);
}
}
static std::string get_band(double freq) {
BOOST_FOREACH(const std::string &band, tvrx_freq_ranges.keys()) {
if(freq >= tvrx_freq_ranges[band].start() && freq <= tvrx_freq_ranges[band].stop()){
UHD_LOGV(often) << "Band: " << band << std::endl;
return band;
}
}
UHD_THROW_INVALID_CODE_PATH();
}
static std::string get_band(double freq) {
for(const std::string &band: tvrx_freq_ranges.keys()) {
if(freq >= tvrx_freq_ranges[band].start() && freq <= tvrx_freq_ranges[band].stop()){
UHD_LOGGER_TRACE("TVRX") << "Band: " << band ;
return band;
}
}
UHD_THROW_INVALID_CODE_PATH();
}
/***********************************************************************
* WBX Common Implementation
**********************************************************************/
wbx_base::wbx_version4::wbx_version4(wbx_base *_self_wbx_base) {
//register our handle on the primary wbx_base instance
self_base = _self_wbx_base;
////////////////////////////////////////////////////////////////////
// Register RX properties
////////////////////////////////////////////////////////////////////
this->get_rx_subtree()->create<std::string>("name").set("WBXv4 RX");
this->get_rx_subtree()->create<double>("freq/value")
.coerce(boost::bind(&wbx_base::wbx_version4::set_lo_freq, this, dboard_iface::UNIT_RX, _1))
.set((wbx_v4_freq_range.start() + wbx_v4_freq_range.stop())/2.0);
this->get_rx_subtree()->create<meta_range_t>("freq/range").set(wbx_v4_freq_range);
////////////////////////////////////////////////////////////////////
// Register TX properties
////////////////////////////////////////////////////////////////////
this->get_tx_subtree()->create<std::string>("name").set("WBXv4 TX");
BOOST_FOREACH(const std::string &name, wbx_v4_tx_gain_ranges.keys()){
self_base->get_tx_subtree()->create<double>("gains/"+name+"/value")
.coerce(boost::bind(&wbx_base::wbx_version4::set_tx_gain, this, _1, name))
.set(wbx_v4_tx_gain_ranges[name].start());
self_base->get_tx_subtree()->create<meta_range_t>("gains/"+name+"/range")
.set(wbx_v4_tx_gain_ranges[name]);
}
this->get_tx_subtree()->create<double>("freq/value")
.coerce(boost::bind(&wbx_base::wbx_version4::set_lo_freq, this, dboard_iface::UNIT_TX, _1))
.set((wbx_v4_freq_range.start() + wbx_v4_freq_range.stop())/2.0);
this->get_tx_subtree()->create<meta_range_t>("freq/range").set(wbx_v4_freq_range);
this->get_tx_subtree()->create<bool>("enabled")
.subscribe(boost::bind(&wbx_base::wbx_version4::set_tx_enabled, this, _1))
.set(true); //start enabled
//set attenuator control bits
int v4_iobits = TX_ATTN_MASK;
int v4_tx_mod = ADF4351_PDBRF;
//set the gpio directions and atr controls
self_base->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, v4_tx_mod|v4_iobits);
self_base->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXBB_PDB|ADF4351_PDBRF);
self_base->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TX_PUP_5V|TX_PUP_3V|v4_tx_mod|v4_iobits);
self_base->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RX_PUP_5V|RX_PUP_3V|ADF4351_CE|RXBB_PDB|ADF4351_PDBRF|RX_ATTN_MASK);
//setup ATR for the mixer enables (always enabled to prevent phase slip between bursts)
//set TX gain iobits to min gain (max attenuation) when RX_ONLY or IDLE to suppress LO leakage
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE, v4_tx_mod, TX_ATTN_MASK | TX_MIXER_DIS | v4_tx_mod);
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, v4_tx_mod, TX_ATTN_MASK | TX_MIXER_DIS | v4_tx_mod);
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, v4_tx_mod, TX_ATTN_MASK | TX_MIXER_DIS | v4_tx_mod);
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, v4_tx_mod, TX_ATTN_MASK | TX_MIXER_DIS | v4_tx_mod);
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
}
void wbx_xcvr::set_rx_gain(double gain, const std::string &name){
assert_has(wbx_rx_gain_ranges.keys(), name, "wbx rx gain name");
if(name == "PGA0"){
rx_pga0_gain_to_iobits(gain);
_rx_gains[name] = gain;
//write the new gain to atr regs
update_atr();
}
else UHD_THROW_INVALID_CODE_PATH();
}
void wbx_xcvr::set_tx_gain(double gain, const std::string &name){
assert_has(wbx_tx_gain_ranges.keys(), name, "wbx tx gain name");
if(name == "PGA0"){
double dac_volts = tx_pga0_gain_to_dac_volts(gain);
_tx_gains[name] = gain;
//write the new voltage to the aux dac
this->get_iface()->write_aux_dac(dboard_iface::UNIT_TX, dboard_iface::AUX_DAC_A, dac_volts);
}
else UHD_THROW_INVALID_CODE_PATH();
}
/***********************************************************************
* Gain Handling
**********************************************************************/
double wbx_base::wbx_version2::set_tx_gain(double gain, const std::string &name){
assert_has(wbx_v2_tx_gain_ranges.keys(), name, "wbx tx gain name");
if(name == "PGA0"){
double dac_volts = tx_pga0_gain_to_dac_volts(gain);
self_base->_tx_gains[name] = gain;
//write the new voltage to the aux dac
self_base->get_iface()->write_aux_dac(dboard_iface::UNIT_TX, dboard_iface::AUX_DAC_A, dac_volts);
}
else UHD_THROW_INVALID_CODE_PATH();
return self_base->_tx_gains[name]; //shadowed
}
void xcvr2450::set_tx_gain(double gain, const std::string &name) {
assert_has(xcvr_tx_gain_ranges.keys(), name, "xcvr tx gain name");
if (name == "VGA") {
_max2829_regs.tx_vga_gain = gain_to_tx_vga_reg(gain);
send_reg(0xC);
}
else if(name == "BB") {
_max2829_regs.tx_baseband_gain = gain_to_tx_bb_reg(gain);
send_reg(0x9);
}
else UHD_THROW_INVALID_CODE_PATH();
_tx_gains[name] = gain;
}
void xcvr2450::set_rx_gain(double gain, const std::string &name) {
assert_has(xcvr_rx_gain_ranges.keys(), name, "xcvr rx gain name");
if (name == "VGA") {
_max2829_regs.rx_vga_gain = gain_to_rx_vga_reg(gain);
send_reg(0xB);
}
else if(name == "LNA") {
_max2829_regs.rx_lna_gain = gain_to_rx_lna_reg(gain);
send_reg(0xB);
}
else UHD_THROW_INVALID_CODE_PATH();
_rx_gains[name] = gain;
}
void dbsrx::set_gain(double gain, const std::string &name){
assert_has(dbsrx_gain_ranges.keys(), name, "dbsrx gain name");
if (name == "GC2"){
_max2118_write_regs.gc2 = gain_to_gc2_vga_reg(gain);
send_reg(0x5, 0x5);
}
else if(name == "GC1"){
//write the new voltage to the aux dac
this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_A, gain_to_gc1_rfvga_dac(gain));
}
else UHD_THROW_INVALID_CODE_PATH();
_gains[name] = gain;
}
double rfx_xcvr::set_rx_gain(double gain, const std::string &name){
assert_has(_rx_gain_ranges.keys(), name, "rfx rx gain name");
if(name == "PGA0"){
double dac_volts = rx_pga0_gain_to_dac_volts(gain,
(_rx_gain_ranges["PGA0"].stop() - _rx_gain_ranges["PGA0"].start()));
//write the new voltage to the aux dac
this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_A, dac_volts);
return gain;
}
else UHD_THROW_INVALID_CODE_PATH();
}
/***********************************************************************
* Gain Handling
**********************************************************************/
double wbx_base::wbx_version3::set_tx_gain(double gain, const std::string &name){
assert_has(wbx_v3_tx_gain_ranges.keys(), name, "wbx tx gain name");
if(name == "PGA0"){
uint16_t io_bits = tx_pga0_gain_to_iobits(gain);
self_base->_tx_gains[name] = gain;
//write the new gain to tx gpio outputs
//Update ATR with gain io_bits, only update for TX_ONLY and FULL_DUPLEX ATR states
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_TX_ONLY, io_bits, TX_ATTN_MASK);
self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_FULL_DUPLEX, io_bits, TX_ATTN_MASK);
}
else UHD_THROW_INVALID_CODE_PATH();
return self_base->_tx_gains[name]; //shadow
}
/***********************************************************************
* Structors
**********************************************************************/
dbsrx::dbsrx(ctor_args_t args) : rx_dboard_base(args){
//warn user about incorrect DBID on USRP1, requires R193 populated
if (this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x000D)
uhd::warning::post(
str(boost::format(
"DBSRX: incorrect dbid\n"
"Expected dbid 0x0002 and R193\n"
"found dbid == %d\n"
"Please see the daughterboard app notes"
) % this->get_rx_id().to_pp_string())
);
//warn user about incorrect DBID on non-USRP1, requires R194 populated
if (not this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x0002)
uhd::warning::post(
str(boost::format(
"DBSRX: incorrect dbid\n"
"Expected dbid 0x000D and R194\n"
"found dbid == %d\n"
"Please see the daughterboard app notes"
) % this->get_rx_id().to_pp_string())
);
//enable only the clocks we need
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true);
//set the gpio directions and atr controls (identically)
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, 0x0); // All unused in atr
if (this->get_iface()->get_special_props().soft_clock_divider){
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x1); // GPIO0 is clock
}
else{
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x0); // All Inputs
}
//send initial register settings
this->send_reg(0x0, 0x5);
//set defaults for LO, gains, and filter bandwidth
_bandwidth = 33e6;
set_lo_freq(dbsrx_freq_range.start());
BOOST_FOREACH(const std::string &name, dbsrx_gain_ranges.keys()){
set_gain(dbsrx_gain_ranges[name].start(), name);
}
set_bandwidth(33e6); // default bandwidth from datasheet
}
static uhd::dict<std::string, gain_range_t> get_tvrx_gain_ranges(void) {
double rfmax = 0.0, rfmin = FLT_MAX;
BOOST_FOREACH(const std::string range, tvrx_rf_gains_db.keys()) {
double my_max = tvrx_rf_gains_db[range].back(); //we're assuming it's monotonic
double my_min = tvrx_rf_gains_db[range].front(); //if it's not this is wrong wrong wrong
if(my_max > rfmax) rfmax = my_max;
if(my_min < rfmin) rfmin = my_min;
}
double ifmin = tvrx_if_gains_db.front();
double ifmax = tvrx_if_gains_db.back();
return map_list_of
("RF", gain_range_t(rfmin, rfmax, (rfmax-rfmin)/4096.0))
("IF", gain_range_t(ifmin, ifmax, (ifmax-ifmin)/4096.0))
;
}
void usrp2_mboard_impl::rx_codec_set_gain(double gain, const std::string &name){
assert_has(codec_rx_gain_ranges.keys(), name, "codec rx gain name");
_codec_rx_gains[name] = gain;
/*
if(name == "analog") {
_codec_ctrl->set_rx_analog_gain(gain > 0); //just turn it on or off
return;
}
*/
if(name == "digital") {
_codec_ctrl->set_rx_digital_gain(gain);
return;
}
if(name == "digital-fine") {
_codec_ctrl->set_rx_digital_fine_gain(gain);
return;
}
UHD_THROW_PROP_SET_ERROR();
}
/***********************************************************************
* RX Get and Set
**********************************************************************/
void dbsrx::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(_gains.keys(), key.name, "dbsrx gain name");
val = _gains[key.name];
return;
case SUBDEV_PROP_GAIN_RANGE:
assert_has(dbsrx_gain_ranges.keys(), key.name, "dbsrx gain name");
val = dbsrx_gain_ranges[key.name];
return;
case SUBDEV_PROP_GAIN_NAMES:
val = prop_names_t(dbsrx_gain_ranges.keys());
return;
case SUBDEV_PROP_FREQ:
val = _lo_freq;
return;
case SUBDEV_PROP_FREQ_RANGE:
val = dbsrx_freq_range;
return;
case SUBDEV_PROP_ANTENNA:
val = std::string("J3");
return;
case SUBDEV_PROP_ANTENNA_NAMES:
val = dbsrx_antennas;
return;
case SUBDEV_PROP_CONNECTION:
val = SUBDEV_CONN_COMPLEX_IQ;
return;
case SUBDEV_PROP_ENABLED:
val = true; //always 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(), "locked", "unlocked");
return;
case SUBDEV_PROP_SENSOR_NAMES:
val = prop_names_t(1, "lo_locked");
return;
case SUBDEV_PROP_BANDWIDTH:
val = 2*_bandwidth; //_bandwidth is low-pass, we want complex double-sided
return;
default: UHD_THROW_PROP_GET_ERROR();
}
}
/***********************************************************************
* Structors
**********************************************************************/
dbsrx::dbsrx(ctor_args_t args) : rx_dboard_base(args){
//warn user about incorrect DBID on USRP1, requires R193 populated
if (this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x000D)
UHD_MSG(warning) << boost::format(
"DBSRX: incorrect dbid\n"
"Expected dbid 0x0002 and R193\n"
"found dbid == %d\n"
"Please see the daughterboard app notes"
) % this->get_rx_id().to_pp_string();
//warn user about incorrect DBID on non-USRP1, requires R194 populated
if (not this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x0002)
UHD_MSG(warning) << boost::format(
"DBSRX: incorrect dbid\n"
"Expected dbid 0x000D and R194\n"
"found dbid == %d\n"
"Please see the daughterboard app notes"
) % this->get_rx_id().to_pp_string();
//send initial register settings
this->send_reg(0x0, 0x5);
//set defaults for LO, gains, and filter bandwidth
double codec_rate = this->get_iface()->get_codec_rate(dboard_iface::UNIT_RX);
_bandwidth = 0.8*codec_rate/2.0; // default to anti-alias at different codec_rate
////////////////////////////////////////////////////////////////////
// Register properties
////////////////////////////////////////////////////////////////////
this->get_rx_subtree()->create<std::string>("name")
.set("DBSRX");
this->get_rx_subtree()->create<sensor_value_t>("sensors/lo_locked")
.set_publisher(boost::bind(&dbsrx::get_locked, this));
BOOST_FOREACH(const std::string &name, dbsrx_gain_ranges.keys()){
this->get_rx_subtree()->create<double>("gains/"+name+"/value")
.set_coercer(boost::bind(&dbsrx::set_gain, this, _1, name))
.set(dbsrx_gain_ranges[name].start());
this->get_rx_subtree()->create<meta_range_t>("gains/"+name+"/range")
.set(dbsrx_gain_ranges[name]);
}
this->get_rx_subtree()->create<double>("freq/value")
.set_coercer(boost::bind(&dbsrx::set_lo_freq, this, _1));
this->get_rx_subtree()->create<meta_range_t>("freq/range")
.set(dbsrx_freq_range);
this->get_rx_subtree()->create<std::string>("antenna/value")
.set(dbsrx_antennas.at(0));
this->get_rx_subtree()->create<std::vector<std::string> >("antenna/options")
.set(dbsrx_antennas);
this->get_rx_subtree()->create<std::string>("connection")
.set("IQ");
this->get_rx_subtree()->create<bool>("enabled")
.set(true); //always enabled
this->get_rx_subtree()->create<bool>("use_lo_offset")
.set(false);
this->get_rx_subtree()->create<double>("bandwidth/value")
.set_coercer(boost::bind(&dbsrx::set_bandwidth, this, _1));
this->get_rx_subtree()->create<meta_range_t>("bandwidth/range")
.set(dbsrx_bandwidth_range);
//enable only the clocks we need
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true);
//set the gpio directions and atr controls (identically)
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, 0x0); // All unused in atr
if (this->get_iface()->get_special_props().soft_clock_divider){
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x1); // GPIO0 is clock when on USRP1
}
else{
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x0); // All Inputs
}
//now its safe to set inital freq and bw
this->get_rx_subtree()->access<double>("freq/value")
.set(dbsrx_freq_range.start());
this->get_rx_subtree()->access<double>("bandwidth/value")
.set(2.0*_bandwidth); //_bandwidth in lowpass, convert to complex bandpass
}
/***********************************************************************
* Tuning
**********************************************************************/
double rfx_xcvr::set_lo_freq(
dboard_iface::unit_t unit,
double target_freq
){
UHD_LOGGER_TRACE("RFX") << boost::format(
"RFX tune: target frequency %f MHz"
) % (target_freq/1e6) ;
//clip the input
target_freq = _freq_range.clip(target_freq);
if (_div2[unit]) target_freq *= 2;
//rfx400 rx is a special case with div2 in mixer, so adf4360 must output fundamental
bool is_rx_rfx400 = ((get_rx_id() == 0x0024) && unit != dboard_iface::UNIT_TX);
//map prescalers to the register enums
static const uhd::dict<int, adf4360_regs_t::prescaler_value_t> prescaler_to_enum = map_list_of
(8, adf4360_regs_t::PRESCALER_VALUE_8_9)
(16, adf4360_regs_t::PRESCALER_VALUE_16_17)
(32, adf4360_regs_t::PRESCALER_VALUE_32_33)
;
//map band select clock dividers to enums
static const uhd::dict<int, adf4360_regs_t::band_select_clock_div_t> bandsel_to_enum = map_list_of
(1, adf4360_regs_t::BAND_SELECT_CLOCK_DIV_1)
(2, adf4360_regs_t::BAND_SELECT_CLOCK_DIV_2)
(4, adf4360_regs_t::BAND_SELECT_CLOCK_DIV_4)
(8, adf4360_regs_t::BAND_SELECT_CLOCK_DIV_8)
;
double actual_freq=0, ref_freq = this->get_iface()->get_clock_rate(unit);
int R=0, BS=0, P=0, B=0, A=0;
/*
* The goal here to to loop though possible R dividers,
* band select clock dividers, and prescaler values.
* Calculate the A and B counters for each set of values.
* The loop exits when it meets all of the constraints.
* The resulting loop values are loaded into the registers.
*
* fvco = [P*B + A] * fref/R
* fvco*R/fref = P*B + A = N
*/
for(R = 2; R <= 32; R+=2){
for(auto BS: bandsel_to_enum.keys()){
if (ref_freq/R/BS > 1e6) continue; //constraint on band select clock
for(auto P: prescaler_to_enum.keys()){
//calculate B and A from N
double N = target_freq*R/ref_freq;
B = int(std::floor(N/P));
A = boost::math::iround(N - P*B);
if (B < A or B > 8191 or B < 3 or A > 31) continue; //constraints on A, B
//calculate the actual frequency
actual_freq = double(P*B + A)*ref_freq/R;
if (actual_freq/P > 300e6) continue; //constraint on prescaler output
//constraints met: exit loop
goto done_loop;
}
}
} done_loop:
UHD_LOGGER_TRACE("RFX") << boost::format(
"RFX tune: R=%d, BS=%d, P=%d, B=%d, A=%d, DIV2=%d"
) % R % BS % P % B % A % int(_div2[unit] && (!is_rx_rfx400)) ;
//load the register values
adf4360_regs_t regs;
regs.core_power_level = adf4360_regs_t::CORE_POWER_LEVEL_10MA;
regs.counter_operation = adf4360_regs_t::COUNTER_OPERATION_NORMAL;
regs.muxout_control = adf4360_regs_t::MUXOUT_CONTROL_DLD;
regs.phase_detector_polarity = adf4360_regs_t::PHASE_DETECTOR_POLARITY_POS;
regs.charge_pump_output = adf4360_regs_t::CHARGE_PUMP_OUTPUT_NORMAL;
regs.cp_gain_0 = adf4360_regs_t::CP_GAIN_0_SET1;
regs.mute_till_ld = adf4360_regs_t::MUTE_TILL_LD_ENB;
regs.output_power_level = adf4360_regs_t::OUTPUT_POWER_LEVEL_3_5MA;
regs.current_setting1 = adf4360_regs_t::CURRENT_SETTING1_0_31MA;
regs.current_setting2 = adf4360_regs_t::CURRENT_SETTING2_0_31MA;
regs.power_down = adf4360_regs_t::POWER_DOWN_NORMAL_OP;
regs.prescaler_value = prescaler_to_enum[P];
regs.a_counter = A;
regs.b_counter = B;
regs.cp_gain_1 = adf4360_regs_t::CP_GAIN_1_SET1;
regs.divide_by_2_output = (_div2[unit] && (!is_rx_rfx400)) ? // Special case RFX400 RX Mixer divides by two
adf4360_regs_t::DIVIDE_BY_2_OUTPUT_DIV2 :
adf4360_regs_t::DIVIDE_BY_2_OUTPUT_FUND ;
regs.divide_by_2_prescaler = adf4360_regs_t::DIVIDE_BY_2_PRESCALER_FUND;
regs.r_counter = R;
regs.ablpw = adf4360_regs_t::ABLPW_3_0NS;
regs.lock_detect_precision = adf4360_regs_t::LOCK_DETECT_PRECISION_5CYCLES;
regs.test_mode_bit = 0;
regs.band_select_clock_div = bandsel_to_enum[BS];
//write the registers
std::vector<adf4360_regs_t::addr_t> addrs = list_of //correct power-up sequence to write registers (R, C, N)
(adf4360_regs_t::ADDR_RCOUNTER)
(adf4360_regs_t::ADDR_CONTROL)
(adf4360_regs_t::ADDR_NCOUNTER)
;
for(adf4360_regs_t::addr_t addr: addrs){
this->get_iface()->write_spi(
unit, spi_config_t::EDGE_RISE,
regs.get_reg(addr), 24
);
}
//return the actual frequency
if (_div2[unit]) actual_freq /= 2;
UHD_LOGGER_TRACE("RFX") << boost::format(
"RFX tune: actual frequency %f MHz"
) % (actual_freq/1e6) ;
return actual_freq;
}
/***********************************************************************
* Structors
**********************************************************************/
xcvr2450::xcvr2450(ctor_args_t args) : xcvr_dboard_base(args){
spi_reset(); //prepare the spi
_rx_bandwidth = 9.5e6;
_tx_bandwidth = 12.0e6;
//setup the misc max2829 registers
_max2829_regs.mimo_select = max2829_regs_t::MIMO_SELECT_MIMO;
_max2829_regs.band_sel_mimo = max2829_regs_t::BAND_SEL_MIMO_MIMO;
_max2829_regs.pll_cp_select = max2829_regs_t::PLL_CP_SELECT_4MA;
_max2829_regs.rssi_high_bw = max2829_regs_t::RSSI_HIGH_BW_6MHZ;
_max2829_regs.tx_lpf_coarse_adj = max2829_regs_t::TX_LPF_COARSE_ADJ_12MHZ;
_max2829_regs.rx_lpf_coarse_adj = max2829_regs_t::RX_LPF_COARSE_ADJ_9_5MHZ;
_max2829_regs.rx_lpf_fine_adj = max2829_regs_t::RX_LPF_FINE_ADJ_100;
_max2829_regs.rx_vga_gain_spi = max2829_regs_t::RX_VGA_GAIN_SPI_SPI;
_max2829_regs.rssi_output_range = max2829_regs_t::RSSI_OUTPUT_RANGE_HIGH;
_max2829_regs.rssi_op_mode = max2829_regs_t::RSSI_OP_MODE_ENABLED;
_max2829_regs.rssi_pin_fcn = max2829_regs_t::RSSI_PIN_FCN_RSSI;
_max2829_regs.rx_highpass = max2829_regs_t::RX_HIGHPASS_100HZ;
_max2829_regs.tx_vga_gain_spi = max2829_regs_t::TX_VGA_GAIN_SPI_SPI;
_max2829_regs.pa_driver_linearity = max2829_regs_t::PA_DRIVER_LINEARITY_78;
_max2829_regs.tx_vga_linearity = max2829_regs_t::TX_VGA_LINEARITY_78;
_max2829_regs.tx_upconv_linearity = max2829_regs_t::TX_UPCONV_LINEARITY_78;
//send initial register settings
for(boost::uint8_t reg = 0x2; reg <= 0xC; reg++){
this->send_reg(reg);
}
////////////////////////////////////////////////////////////////////
// Register RX properties
////////////////////////////////////////////////////////////////////
this->get_rx_subtree()->create<std::string>("name")
.set(get_rx_id().to_pp_string());
this->get_rx_subtree()->create<sensor_value_t>("sensors/lo_locked")
.publish(boost::bind(&xcvr2450::get_locked, this));
this->get_rx_subtree()->create<sensor_value_t>("sensors/rssi")
.publish(boost::bind(&xcvr2450::get_rssi, this));
BOOST_FOREACH(const std::string &name, xcvr_rx_gain_ranges.keys()){
this->get_rx_subtree()->create<double>("gains/"+name+"/value")
.coerce(boost::bind(&xcvr2450::set_rx_gain, this, _1, name))
.set(xcvr_rx_gain_ranges[name].start());
this->get_rx_subtree()->create<meta_range_t>("gains/"+name+"/range")
.set(xcvr_rx_gain_ranges[name]);
}
this->get_rx_subtree()->create<double>("freq/value")
.coerce(boost::bind(&xcvr2450::set_lo_freq, this, _1))
.set(double(2.45e9));
this->get_rx_subtree()->create<meta_range_t>("freq/range")
.set(xcvr_freq_range);
this->get_rx_subtree()->create<std::string>("antenna/value")
.subscribe(boost::bind(&xcvr2450::set_rx_ant, this, _1))
.set(xcvr_antennas.at(0));
this->get_rx_subtree()->create<std::vector<std::string> >("antenna/options")
.set(xcvr_antennas);
this->get_rx_subtree()->create<std::string>("connection")
.set("IQ");
this->get_rx_subtree()->create<bool>("enabled")
.set(true); //always enabled
this->get_rx_subtree()->create<bool>("use_lo_offset")
.set(false);
this->get_rx_subtree()->create<double>("bandwidth/value")
.coerce(boost::bind(&xcvr2450::set_rx_bandwidth, this, _1)) //complex bandpass bandwidth
.set(2.0*_rx_bandwidth); //_rx_bandwidth in lowpass, convert to complex bandpass
this->get_rx_subtree()->create<meta_range_t>("bandwidth/range")
.set(xcvr_rx_bandwidth_range);
////////////////////////////////////////////////////////////////////
// Register TX properties
////////////////////////////////////////////////////////////////////
this->get_tx_subtree()->create<std::string>("name")
.set(get_tx_id().to_pp_string());
this->get_tx_subtree()->create<sensor_value_t>("sensors/lo_locked")
.publish(boost::bind(&xcvr2450::get_locked, this));
BOOST_FOREACH(const std::string &name, xcvr_tx_gain_ranges.keys()){
this->get_tx_subtree()->create<double>("gains/"+name+"/value")
.coerce(boost::bind(&xcvr2450::set_tx_gain, this, _1, name))
.set(xcvr_tx_gain_ranges[name].start());
this->get_tx_subtree()->create<meta_range_t>("gains/"+name+"/range")
.set(xcvr_tx_gain_ranges[name]);
}
this->get_tx_subtree()->create<double>("freq/value")
.coerce(boost::bind(&xcvr2450::set_lo_freq, this, _1))
.set(double(2.45e9));
this->get_tx_subtree()->create<meta_range_t>("freq/range")
.set(xcvr_freq_range);
this->get_tx_subtree()->create<std::string>("antenna/value")
.subscribe(boost::bind(&xcvr2450::set_tx_ant, this, _1))
.set(xcvr_antennas.at(1));
this->get_tx_subtree()->create<std::vector<std::string> >("antenna/options")
.set(xcvr_antennas);
this->get_tx_subtree()->create<std::string>("connection")
.set("QI");
this->get_tx_subtree()->create<bool>("enabled")
.set(true); //always enabled
this->get_tx_subtree()->create<bool>("use_lo_offset")
.set(true);
this->get_tx_subtree()->create<double>("bandwidth/value")
.coerce(boost::bind(&xcvr2450::set_tx_bandwidth, this, _1)) //complex bandpass bandwidth
.set(2.0*_tx_bandwidth); //_tx_bandwidth in lowpass, convert to complex bandpass
this->get_tx_subtree()->create<meta_range_t>("bandwidth/range")
.set(xcvr_tx_bandwidth_range);
//enable only the clocks we need
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_TX, true);
//set the gpio directions and atr controls (identically)
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, TXIO_MASK);
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXIO_MASK);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TXIO_MASK);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RXIO_MASK);
}
/***********************************************************************
* TX Get and Set
**********************************************************************/
void xcvr2450::tx_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_tx_id().to_pp_string();
return;
case SUBDEV_PROP_OTHERS:
val = prop_names_t(); //empty
return;
case SUBDEV_PROP_GAIN:
assert_has(_tx_gains.keys(), key.name, "xcvr tx gain name");
val = _tx_gains[key.name];
return;
case SUBDEV_PROP_GAIN_RANGE:
assert_has(xcvr_tx_gain_ranges.keys(), key.name, "xcvr tx gain name");
val = xcvr_tx_gain_ranges[key.name];
return;
case SUBDEV_PROP_GAIN_NAMES:
val = prop_names_t(xcvr_tx_gain_ranges.keys());
return;
case SUBDEV_PROP_FREQ:
val = _lo_freq;
return;
case SUBDEV_PROP_FREQ_RANGE:
val = xcvr_freq_range;
return;
case SUBDEV_PROP_ANTENNA:
val = _tx_ant;
return;
case SUBDEV_PROP_ANTENNA_NAMES:
val = xcvr_antennas;
return;
case SUBDEV_PROP_CONNECTION:
val = SUBDEV_CONN_COMPLEX_QI;
return;
case SUBDEV_PROP_ENABLED:
val = true; //always enabled
return;
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
case SUBDEV_PROP_LO_LOCKED:
val = this->get_locked();
return;
case SUBDEV_PROP_BANDWIDTH:
val = 2*_tx_bandwidth; //_tx_bandwidth is low-pass, we want complex double-sided
return;
default:
UHD_THROW_PROP_GET_ERROR();
}
}
