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//
// Copyright 2017 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0
//
#include "magnesium_radio_ctrl_impl.hpp"
#include "magnesium_cpld_ctrl.hpp"
#include "magnesium_constants.hpp"
#include <uhd/utils/log.hpp>
#include <uhd/utils/math.hpp>
/*
* Magnesium Rev C frequency bands:
*
* RX IF frequency is 2.4418 GHz. Have 80 MHz of bandwidth for loband.
* TX IF frequency is 1.8-2.1 GHz (1.95 GHz is best).
*
* For RX:
* Band SW2-AB SW3-ABC SW4-ABC SW5-ABCD SW6-ABC SW7-AB SW8-AB MIX
* WB RF1 01 OFF 111 NA --- NA ---- RF3 001 RF2 01 RF2 01 0
* LB RF2 10 RF5 100 NA --- RF3 0010 RF1 100 RF1 10 RF1 10 1
* 440-530 RF2 10 RF2 001 NA --- RF1 1000 RF1 100 RF2 01 RF2 01 0
* 650-1000 RF2 10 RF6 101 NA --- RF4 0001 RF1 100 RF2 01 RF2 01 0
* 1100-1575 RF2 10 RF4 011 NA --- RF2 0100 RF1 100 RF2 01 RF2 01 0
* 1600-2250 RF2 10 RF3 010 RF2 010 NA ---- RF2 010 RF2 01 RF2 01 0
* 2100-2850 RF2 10 RF1 000 RF1 100 NA ---- RF2 010 RF2 01 RF2 01 0
* 2700+ RF3 11 OFF 111 RF3 001 NA ---- RF2 010 RF2 01 RF2 01 0
*
* For TX:
* Band SW5-AB SW4-AB SW3-X SW2-ABCD SW1-AB SWTRX-AB MIX
* WB RF1 10 RF2 01 RF1 0 NA ---- SHD 00 RF4 11 0
* LB RF2 01 RF1 10 RF2 1 RF3 0010 RF3 11 RF1 00 1
* <800 RF1 10 RF2 01 RF2 1 RF3 0010 RF3 11 RF1 00 0
* 800-1700 RF1 10 RF2 01 RF2 1 RF2 0100 RF2 10 RF1 00 0
* 1700-3400 RF1 10 RF2 01 RF2 1 RF1 1000 RF1 01 RF1 00 0
* 3400-6400 RF1 10 RF2 01 RF2 1 RF4 0001 SHD 00 RF2 10 0
*/
using namespace uhd;
using namespace uhd::usrp;
using namespace uhd::rfnoc;
using namespace uhd::math::fp_compare;
void magnesium_radio_ctrl_impl::_identify_with_leds(
const int identify_duration
) {
auto end_time = std::chrono::steady_clock::now()
+ std::chrono::seconds(identify_duration);
bool led_state = true;
while (std::chrono::steady_clock::now() < end_time) {
_cpld->set_tx_atr_bits(
magnesium_cpld_ctrl::BOTH,
magnesium_cpld_ctrl::ANY,
led_state,
false,
false,
true
);
_cpld->set_rx_input_atr_bits(
magnesium_cpld_ctrl::BOTH,
magnesium_cpld_ctrl::ANY,
magnesium_cpld_ctrl::RX_SW1_TXRXINPUT, /* whatever */
led_state,
led_state
);
led_state = !led_state;
std::this_thread::sleep_for(std::chrono::milliseconds(500));
}
_cpld->reset();
}
void magnesium_radio_ctrl_impl::_update_atr_switches(
const magnesium_cpld_ctrl::chan_sel_t chan,
const direction_t dir,
const std::string &ant
){
if (dir == RX_DIRECTION or dir == DX_DIRECTION) {
// These default values work for RX2
bool trx_led = false;
bool rx2_led = true;
auto rx_sw1 = magnesium_cpld_ctrl::RX_SW1_RX2INPUT;
// The TRX switch in TX-idle mode defaults to TX-on mode. When TX is
// off, and we're receiving on TX/RX however, we need to point TRX to
// RX SW1. In all other cases, a TX state toggle (on to idle or vice
// versa) won't trigger a change of the TRX switch.
auto sw_trx = _sw_trx[chan];
UHD_LOG_TRACE(unique_id(),
"Updating all RX-ATR related switches for antenna==" << ant);
if (ant == "TX/RX") {
rx_sw1 = magnesium_cpld_ctrl::RX_SW1_TRXSWITCHOUTPUT;
sw_trx = magnesium_cpld_ctrl::SW_TRX_RXCHANNELPATH;
trx_led = true;
rx2_led = false;
}
else if (ant == "CAL") {
// It makes intuitive sense to illuminate the green TX/RX LED when
// receiving on CAL (because it goes over to the TX/RX port), but
// the problem is that CAL is only useful when we're both TXing and
// RXing, and then both green and red would be on the same LED.
// So, for CAL, we light up the green RX2 LED.
trx_led = false;
rx2_led = true;
rx_sw1 = magnesium_cpld_ctrl::RX_SW1_TXRXINPUT;
}
else if (ant == "LOCAL") {
rx_sw1 = magnesium_cpld_ctrl::RX_SW1_RXLOCALINPUT;
}
_cpld->set_rx_input_atr_bits(
chan,
magnesium_cpld_ctrl::ON,
rx_sw1,
trx_led,
rx2_led,
true /* defer commit */
);
_cpld->set_rx_atr_bits(
chan,
magnesium_cpld_ctrl::ON,
true, /* amp on */
true, /* mykonos on */
true /* defer commit */
);
_cpld->set_rx_atr_bits(
chan,
magnesium_cpld_ctrl::IDLE,
true, /* amp stays on */
true, /* mykonos on */
true /* defer commit */
);
_cpld->set_trx_sw_atr_bits(
chan,
magnesium_cpld_ctrl::IDLE, /* idle here means TX is off */
sw_trx,
false /* don't defer commit */
);
}
if (dir == TX_DIRECTION or dir == DX_DIRECTION) {
UHD_LOG_TRACE(unique_id(), "Updating all TX-ATR related switches...");
_cpld->set_tx_atr_bits(
chan,
magnesium_cpld_ctrl::ON,
true, /* LED on */
true, /* PA on */
true, /* AMP on */
true, /* Myk on */
true /* defer commit */
);
_cpld->set_tx_atr_bits(
chan,
magnesium_cpld_ctrl::IDLE,
false, /* LED off */
false, /* PA off */
false, /* AMP off */
true, /* Myk on */
false /* don't defer commit */
);
};
}
void magnesium_radio_ctrl_impl::_update_rx_freq_switches(
const double freq,
const bool bypass_lnas,
const magnesium_cpld_ctrl::chan_sel_t chan_sel
) {
UHD_LOG_TRACE(unique_id(),
"Update all RX freq related switches. f=" << freq << " Hz, "
"bypass LNAS: " << (bypass_lnas ? "Yes" : "No") << ", chan=" << chan_sel
);
auto rx_sw2 = magnesium_cpld_ctrl::RX_SW2_BYPASSPATHTOSWITCH6;
auto rx_sw3 = magnesium_cpld_ctrl::RX_SW3_SHUTDOWNSW3;
auto rx_sw4 = magnesium_cpld_ctrl::RX_SW4_FILTER2100X2850MHZFROM;
auto rx_sw5 = magnesium_cpld_ctrl::RX_SW5_FILTER1100X1575MHZFROM;
auto rx_sw6 = magnesium_cpld_ctrl::RX_SW6_BYPASSPATHFROMSWITCH2;
const auto select_lowband_mixer_path = (fp_compare_epsilon<double>(freq) < MAGNESIUM_LOWBAND_FREQ) ?
magnesium_cpld_ctrl::LOWBAND_MIXER_PATH_SEL_LOBAND :
magnesium_cpld_ctrl::LOWBAND_MIXER_PATH_SEL_BYPASS;
const bool enable_lowband_mixer = (fp_compare_epsilon<double>(freq) < MAGNESIUM_LOWBAND_FREQ);
const bool rx_lna2_enable =
not bypass_lnas and (fp_compare_epsilon<double>(freq) < MAGNESIUM_RX_BAND4_MIN_FREQ);
const bool rx_lna1_enable =
not bypass_lnas and not rx_lna2_enable;
UHD_LOG_TRACE(unique_id(),
" Enabling LNA1: " << (rx_lna1_enable ? "Yes" : "No") <<
" Enabling LNA2: " << (rx_lna2_enable ? "Yes" : "No"));
// All the defaults are OK when using the bypass path.
if (not bypass_lnas) {
if (fp_compare_epsilon<double>(freq) < MAGNESIUM_LOWBAND_FREQ) {
rx_sw2 = magnesium_cpld_ctrl::RX_SW2_LOWERFILTERBANKTOSWITCH3;
rx_sw3 = magnesium_cpld_ctrl::RX_SW3_FILTER0490LPMHZ;
rx_sw4 = magnesium_cpld_ctrl::RX_SW4_FILTER2700HPMHZ;
rx_sw5 = magnesium_cpld_ctrl::RX_SW5_FILTER0490LPMHZFROM;
rx_sw6 = magnesium_cpld_ctrl::RX_SW6_LOWERFILTERBANKFROMSWITCH5;
} else if (fp_compare_epsilon<double>(freq) < MAGNESIUM_RX_BAND2_MIN_FREQ) {
rx_sw2 = magnesium_cpld_ctrl::RX_SW2_LOWERFILTERBANKTOSWITCH3;
rx_sw3 = magnesium_cpld_ctrl::RX_SW3_FILTER0440X0530MHZ;
rx_sw4 = magnesium_cpld_ctrl::RX_SW4_FILTER2700HPMHZ;
rx_sw5 = magnesium_cpld_ctrl::RX_SW5_FILTER0440X0530MHZFROM;
rx_sw6 = magnesium_cpld_ctrl::RX_SW6_LOWERFILTERBANKFROMSWITCH5;
} else if (fp_compare_epsilon<double>(freq) < MAGNESIUM_RX_BAND3_MIN_FREQ) {
rx_sw2 = magnesium_cpld_ctrl::RX_SW2_LOWERFILTERBANKTOSWITCH3;
rx_sw3 = magnesium_cpld_ctrl::RX_SW3_FILTER0650X1000MHZ;
rx_sw4 = magnesium_cpld_ctrl::RX_SW4_FILTER2700HPMHZ;
rx_sw5 = magnesium_cpld_ctrl::RX_SW5_FILTER0650X1000MHZFROM;
rx_sw6 = magnesium_cpld_ctrl::RX_SW6_LOWERFILTERBANKFROMSWITCH5;
} else if (fp_compare_epsilon<double>(freq) < MAGNESIUM_RX_BAND4_MIN_FREQ) {
rx_sw2 = magnesium_cpld_ctrl::RX_SW2_LOWERFILTERBANKTOSWITCH3;
rx_sw3 = magnesium_cpld_ctrl::RX_SW3_FILTER1100X1575MHZ;
rx_sw4 = magnesium_cpld_ctrl::RX_SW4_FILTER2700HPMHZ;
rx_sw5 = magnesium_cpld_ctrl::RX_SW5_FILTER1100X1575MHZFROM;
rx_sw6 = magnesium_cpld_ctrl::RX_SW6_LOWERFILTERBANKFROMSWITCH5;
} else if (fp_compare_epsilon<double>(freq) < MAGNESIUM_RX_BAND5_MIN_FREQ) {
rx_sw2 = magnesium_cpld_ctrl::RX_SW2_LOWERFILTERBANKTOSWITCH3;
rx_sw3 = magnesium_cpld_ctrl::RX_SW3_FILTER1600X2250MHZ;
rx_sw4 = magnesium_cpld_ctrl::RX_SW4_FILTER1600X2250MHZFROM;
rx_sw5 = magnesium_cpld_ctrl::RX_SW5_FILTER0440X0530MHZFROM;
rx_sw6 = magnesium_cpld_ctrl::RX_SW6_UPPERFILTERBANKFROMSWITCH4;
} else if (fp_compare_epsilon<double>(freq) < MAGNESIUM_RX_BAND6_MIN_FREQ) {
rx_sw2 = magnesium_cpld_ctrl::RX_SW2_LOWERFILTERBANKTOSWITCH3;
rx_sw3 = magnesium_cpld_ctrl::RX_SW3_FILTER2100X2850MHZ;
rx_sw4 = magnesium_cpld_ctrl::RX_SW4_FILTER2100X2850MHZFROM;
rx_sw5 = magnesium_cpld_ctrl::RX_SW5_FILTER0440X0530MHZFROM;
rx_sw6 = magnesium_cpld_ctrl::RX_SW6_UPPERFILTERBANKFROMSWITCH4;
} else {
rx_sw2 = magnesium_cpld_ctrl::RX_SW2_UPPERFILTERBANKTOSWITCH4;
rx_sw3 = magnesium_cpld_ctrl::RX_SW3_SHUTDOWNSW3;
rx_sw4 = magnesium_cpld_ctrl::RX_SW4_FILTER2700HPMHZ;
rx_sw5 = magnesium_cpld_ctrl::RX_SW5_FILTER0440X0530MHZFROM;
rx_sw6 = magnesium_cpld_ctrl::RX_SW6_UPPERFILTERBANKFROMSWITCH4;
}
}
_cpld->set_rx_lna_atr_bits(
chan_sel,
magnesium_cpld_ctrl::ANY,
rx_lna1_enable,
rx_lna2_enable,
true /* defer commit */
);
_cpld->set_rx_switches(
chan_sel,
rx_sw2,
rx_sw3,
rx_sw4,
rx_sw5,
rx_sw6,
select_lowband_mixer_path,
enable_lowband_mixer
);
}
void magnesium_radio_ctrl_impl::_update_tx_freq_switches(
const double freq,
const bool bypass_amp,
const magnesium_cpld_ctrl::chan_sel_t chan_sel
){
UHD_LOG_TRACE(unique_id(),
"Update all TX freq related switches. f=" << freq << " Hz, "
"bypass amp: " << (bypass_amp ? "Yes" : "No") << ", chan=" << chan_sel
);
auto tx_sw1 = magnesium_cpld_ctrl::TX_SW1_SHUTDOWNTXSW1;
auto tx_sw2 = magnesium_cpld_ctrl::TX_SW2_TOTXFILTERLP6400MHZ;
auto tx_sw3 = magnesium_cpld_ctrl::TX_SW3_BYPASSPATHTOTRXSW;
const auto select_lowband_mixer_path = (fp_compare_epsilon<double>(freq) < MAGNESIUM_LOWBAND_FREQ) ?
magnesium_cpld_ctrl::LOWBAND_MIXER_PATH_SEL_LOBAND :
magnesium_cpld_ctrl::LOWBAND_MIXER_PATH_SEL_BYPASS;
const bool enable_lowband_mixer = (fp_compare_epsilon<double>(freq) < MAGNESIUM_LOWBAND_FREQ);
// Defaults are fine for bypassing the amp stage
if (bypass_amp) {
_sw_trx[chan_sel] = magnesium_cpld_ctrl::SW_TRX_BYPASSPATHTOTXSW3;
} else {
// Set filters based on frequency
if (fp_compare_epsilon<double>(freq) < MAGNESIUM_TX_BAND1_MIN_FREQ) {
_sw_trx[chan_sel] =
magnesium_cpld_ctrl::SW_TRX_FROMLOWERFILTERBANKTXSW1;
tx_sw1 = magnesium_cpld_ctrl::TX_SW1_FROMTXFILTERLP0800MHZ;
tx_sw2 = magnesium_cpld_ctrl::TX_SW2_TOTXFILTERLP0800MHZ;
tx_sw3 = magnesium_cpld_ctrl::TX_SW3_TOTXFILTERBANKS;
} else if (fp_compare_epsilon<double>(freq) < MAGNESIUM_TX_BAND2_MIN_FREQ) {
_sw_trx[chan_sel] =
magnesium_cpld_ctrl::SW_TRX_FROMLOWERFILTERBANKTXSW1;
tx_sw1 = magnesium_cpld_ctrl::TX_SW1_FROMTXFILTERLP0800MHZ;
tx_sw2 = magnesium_cpld_ctrl::TX_SW2_TOTXFILTERLP0800MHZ;
tx_sw3 = magnesium_cpld_ctrl::TX_SW3_TOTXFILTERBANKS;
} else if (fp_compare_epsilon<double>(freq) < MAGNESIUM_TX_BAND3_MIN_FREQ) {
_sw_trx[chan_sel] =
magnesium_cpld_ctrl::SW_TRX_FROMLOWERFILTERBANKTXSW1;
tx_sw1 = magnesium_cpld_ctrl::TX_SW1_FROMTXFILTERLP1700MHZ;
tx_sw2 = magnesium_cpld_ctrl::TX_SW2_TOTXFILTERLP1700MHZ;
tx_sw3 = magnesium_cpld_ctrl::TX_SW3_TOTXFILTERBANKS;
} else if (fp_compare_epsilon<double>(freq) < MAGNESIUM_TX_BAND4_MIN_FREQ) {
_sw_trx[chan_sel] =
magnesium_cpld_ctrl::SW_TRX_FROMLOWERFILTERBANKTXSW1;
tx_sw1 = magnesium_cpld_ctrl::TX_SW1_FROMTXFILTERLP3400MHZ;
tx_sw2 = magnesium_cpld_ctrl::TX_SW2_TOTXFILTERLP3400MHZ;
tx_sw3 = magnesium_cpld_ctrl::TX_SW3_TOTXFILTERBANKS;
} else {
_sw_trx[chan_sel] =
magnesium_cpld_ctrl::SW_TRX_FROMTXUPPERFILTERBANKLP6400MHZ;
tx_sw1 = magnesium_cpld_ctrl::TX_SW1_SHUTDOWNTXSW1;
tx_sw2 = magnesium_cpld_ctrl::TX_SW2_TOTXFILTERLP6400MHZ;
tx_sw3 = magnesium_cpld_ctrl::TX_SW3_TOTXFILTERBANKS;
}
}
_cpld->set_trx_sw_atr_bits(
chan_sel,
magnesium_cpld_ctrl::ON,
_sw_trx[chan_sel],
true /* defer commit */
);
_cpld->set_tx_switches(
chan_sel,
tx_sw1,
tx_sw2,
tx_sw3,
select_lowband_mixer_path,
enable_lowband_mixer,
magnesium_cpld_ctrl::ON
);
}
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