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-rw-r--r--host/lib/usrp/common/max287x.hpp799
-rw-r--r--host/lib/usrp/dboard/db_cbx.cpp194
-rw-r--r--host/lib/usrp/dboard/db_sbx_common.hpp7
-rw-r--r--host/lib/usrp/dboard/db_ubx.cpp632
4 files changed, 918 insertions, 714 deletions
diff --git a/host/lib/usrp/common/max287x.hpp b/host/lib/usrp/common/max287x.hpp
new file mode 100644
index 000000000..ee1dbb946
--- /dev/null
+++ b/host/lib/usrp/common/max287x.hpp
@@ -0,0 +1,799 @@
+//
+// Copyright 2015 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/>.
+//
+
+#ifndef MAX287X_HPP_INCLUDED
+#define MAX287X_HPP_INCLUDED
+
+#include <uhd/exception.hpp>
+#include <uhd/types/dict.hpp>
+#include <uhd/types/ranges.hpp>
+#include <uhd/utils/log.hpp>
+#include <boost/assign.hpp>
+#include <boost/function.hpp>
+#include <boost/thread.hpp>
+#include <vector>
+#include "max2870_regs.hpp"
+#include "max2871_regs.hpp"
+
+/**
+ * MAX287x interface
+ */
+class max287x_iface
+{
+public:
+ typedef boost::shared_ptr<max287x_iface> sptr;
+
+ typedef boost::function<void(std::vector<boost::uint32_t>)> write_fn;
+
+ /**
+ * LD Pin Modes
+ */
+ typedef enum{
+ LD_PIN_MODE_LOW,
+ LD_PIN_MODE_DLD,
+ LD_PIN_MODE_ALD,
+ LD_PIN_MODE_HIGH
+ } ld_pin_mode_t;
+
+ /**
+ * MUXOUT Modes
+ */
+ typedef enum{
+ MUXOUT_TRI_STATE,
+ MUXOUT_HIGH,
+ MUXOUT_LOW,
+ MUXOUT_RDIV,
+ MUXOUT_NDIV,
+ MUXOUT_ALD,
+ MUXOUT_DLD,
+ MUXOUT_SYNC,
+ MUXOUT_SPI
+ } muxout_mode_t;
+
+ /**
+ * Charge Pump Currents
+ */
+ typedef enum{
+ CHARGE_PUMP_CURRENT_0_32MA,
+ CHARGE_PUMP_CURRENT_0_64MA,
+ CHARGE_PUMP_CURRENT_0_96MA,
+ CHARGE_PUMP_CURRENT_1_28MA,
+ CHARGE_PUMP_CURRENT_1_60MA,
+ CHARGE_PUMP_CURRENT_1_92MA,
+ CHARGE_PUMP_CURRENT_2_24MA,
+ CHARGE_PUMP_CURRENT_2_56MA,
+ CHARGE_PUMP_CURRENT_2_88MA,
+ CHARGE_PUMP_CURRENT_3_20MA,
+ CHARGE_PUMP_CURRENT_3_52MA,
+ CHARGE_PUMP_CURRENT_3_84MA,
+ CHARGE_PUMP_CURRENT_4_16MA,
+ CHARGE_PUMP_CURRENT_4_48MA,
+ CHARGE_PUMP_CURRENT_4_80MA,
+ CHARGE_PUMP_CURRENT_5_12MA
+ } charge_pump_current_t;
+
+ /**
+ * Output Powers
+ */
+ typedef enum{
+ OUTPUT_POWER_M4DBM,
+ OUTPUT_POWER_M1DBM,
+ OUTPUT_POWER_2DBM,
+ OUTPUT_POWER_5DBM
+ } output_power_t;
+
+ typedef enum {
+ LOW_NOISE_AND_SPUR_LOW_NOISE,
+ LOW_NOISE_AND_SPUR_LOW_SPUR_1,
+ LOW_NOISE_AND_SPUR_LOW_SPUR_2
+ } low_noise_and_spur_t;
+
+ typedef enum {
+ CLOCK_DIV_MODE_CLOCK_DIVIDER_OFF,
+ CLOCK_DIV_MODE_FAST_LOCK,
+ CLOCK_DIV_MODE_PHASE
+ } clock_divider_mode_t;
+
+ /**
+ * Make a synthesizer
+ * @param write write function
+ * @return shared pointer to object
+ */
+ template <typename max287X_t> static sptr make(write_fn write)
+ {
+ return sptr(new max287X_t(write));
+ }
+
+ /**
+ * Destructor
+ */
+ virtual ~max287x_iface() {};
+
+ /**
+ * Power up the synthesizer
+ */
+ virtual void power_up(void) = 0;
+
+ /**
+ * Shut down the synthesizer
+ */
+ virtual void shutdown(void) = 0;
+
+ /**
+ * Check if the synthesizer is shut down
+ */
+ virtual bool is_shutdown(void) = 0;
+
+ /**
+ * Set frequency
+ * @param target_freq target frequency
+ * @param ref_freq reference frequency
+ * @param target_pfd_freq target phase detector frequency
+ * @param is_int_n enable integer-N tuning
+ * @return actual frequency
+ */
+ virtual double set_frequency(
+ double target_freq,
+ double ref_freq,
+ double target_pfd_freq,
+ bool is_int_n) = 0;
+
+ /**
+ * Set output power
+ * @param power output power
+ */
+ virtual void set_output_power(output_power_t power) = 0;
+
+ /**
+ * Set lock detect pin mode
+ * @param mode lock detect pin mode
+ */
+ virtual void set_ld_pin_mode(ld_pin_mode_t mode) = 0;
+
+ /**
+ * Set muxout pin mode
+ * @param mode muxout mode
+ */
+ virtual void set_muxout_mode(muxout_mode_t mode) = 0;
+
+ /**
+ * Set charge pump current
+ * @param cp_current charge pump current
+ */
+ virtual void set_charge_pump_current(charge_pump_current_t cp_current) = 0;
+
+ /**
+ * Enable or disable auto retune
+ * @param enabled enable auto retune
+ */
+ virtual void set_auto_retune(bool enabled) = 0;
+
+ /**
+ * Set clock divider mode
+ * @param mode clock divider mode
+ */
+ virtual void set_clock_divider_mode(clock_divider_mode_t mode) = 0;
+
+ /**
+ * Enable or disable cycle slip mode
+ * @param enabled enable cycle slip mode
+ */
+ virtual void set_cycle_slip_mode(bool enabled) = 0;
+
+ /**
+ * Set low noise and spur mode
+ * @param mode low noise and spur mode
+ */
+ virtual void set_low_noise_and_spur(low_noise_and_spur_t mode) = 0;
+
+ /**
+ * Set phase
+ * @param phase the phase offset
+ */
+ virtual void set_phase(boost::uint16_t phase) = 0;
+
+ /**
+ * Write values configured by the set_* functions.
+ */
+ virtual void commit(void) = 0;
+
+ /**
+ * Check whether this is in a state where it can be synchronized
+ */
+ virtual bool can_sync(void) = 0;
+};
+
+/**
+ * MAX287x
+ * Base class for all MAX287x synthesizers
+ */
+template <typename max287x_regs_t>
+class max287x : public max287x_iface
+{
+public:
+ max287x(write_fn func);
+ virtual ~max287x();
+ virtual void power_up(void);
+ virtual void shutdown(void);
+ virtual bool is_shutdown(void);
+ virtual double set_frequency(
+ double target_freq,
+ double ref_freq,
+ double target_pfd_freq,
+ bool is_int_n);
+ virtual void set_output_power(output_power_t power);
+ virtual void set_ld_pin_mode(ld_pin_mode_t mode);
+ virtual void set_muxout_mode(muxout_mode_t mode);
+ virtual void set_charge_pump_current(charge_pump_current_t cp_current);
+ virtual void set_auto_retune(bool enabled);
+ virtual void set_clock_divider_mode(clock_divider_mode_t mode);
+ virtual void set_cycle_slip_mode(bool enabled);
+ virtual void set_low_noise_and_spur(low_noise_and_spur_t mode);
+ virtual void set_phase(boost::uint16_t phase);
+ virtual void commit();
+ virtual bool can_sync();
+
+protected:
+ max287x_regs_t _regs;
+ bool _can_sync;
+ bool _write_all_regs;
+
+private:
+ write_fn _write;
+ bool _delay_after_write;
+};
+
+/**
+ * MAX2870
+ */
+class max2870 : public max287x<max2870_regs_t>
+{
+public:
+ max2870(write_fn func) : max287x(func) {}
+ ~max2870() {}
+ double set_frequency(
+ double target_freq,
+ double ref_freq,
+ double target_pfd_freq,
+ bool is_int_n)
+ {
+ _regs.cpoc = is_int_n ? max2870_regs_t::CPOC_ENABLED : max2870_regs_t::CPOC_DISABLED;
+ _regs.feedback_select = target_freq >= 3.0e9 ?
+ max2870_regs_t::FEEDBACK_SELECT_DIVIDED :
+ max2870_regs_t::FEEDBACK_SELECT_FUNDAMENTAL;
+
+ return max287x::set_frequency(target_freq, ref_freq, target_pfd_freq, is_int_n);
+ }
+ void commit(void)
+ {
+ // For MAX2870, we always need to write all registers.
+ _write_all_regs = true;
+ max287x::commit();
+ }
+};
+
+/**
+ * MAX2871
+ */
+class max2871 : public max287x<max2871_regs_t>
+{
+public:
+ max2871(write_fn func) : max287x(func) {}
+ ~max2871() {};
+ void set_muxout_mode(muxout_mode_t mode)
+ {
+ switch(mode)
+ {
+ case MUXOUT_SYNC:
+ _regs.muxout = max2871_regs_t::MUXOUT_SYNC;
+ break;
+ case MUXOUT_SPI:
+ _regs.muxout = max2871_regs_t::MUXOUT_SPI;
+ break;
+ default:
+ max287x::set_muxout_mode(mode);
+ }
+ }
+
+ double set_frequency(
+ double target_freq,
+ double ref_freq,
+ double target_pfd_freq,
+ bool is_int_n)
+ {
+ _regs.feedback_select = max2871_regs_t::FEEDBACK_SELECT_DIVIDED;
+ double freq = max287x::set_frequency(target_freq, ref_freq, target_pfd_freq, is_int_n);
+
+ // According to Maxim support, the following factors must be true to allow for synchronization
+ if (_regs.r_counter_10_bit == 1 and
+ _regs.reference_divide_by_2 == max2871_regs_t::REFERENCE_DIVIDE_BY_2_DISABLED and
+ _regs.reference_doubler == max2871_regs_t::REFERENCE_DOUBLER_DISABLED and
+ _regs.rf_divider_select <= max2871_regs_t::RF_DIVIDER_SELECT_DIV16 and
+ _regs.low_noise_and_spur == max2871_regs_t::LOW_NOISE_AND_SPUR_LOW_NOISE)
+ {
+ _can_sync = true;
+ }
+ return freq;
+ }
+};
+
+
+// Implementation of max287x template class
+// To avoid linker errors, it was either include
+// it here or put it in a .cpp file and include
+// that file in this header file. Decided to just
+// include it here.
+
+template <typename max287x_regs_t>
+max287x<max287x_regs_t>::max287x(write_fn func) :
+ _can_sync(false),
+ _write_all_regs(true),
+ _write(func),
+ _delay_after_write(true)
+{
+ power_up();
+}
+
+template <typename max287x_regs_t>
+max287x<max287x_regs_t>::~max287x()
+{
+ shutdown();
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::power_up(void)
+{
+ _regs.power_down = max287x_regs_t::POWER_DOWN_NORMAL;
+ _regs.double_buffer = max287x_regs_t::DOUBLE_BUFFER_ENABLED;
+
+ // According to MAX287x data sheets:
+ // "Upon power-up, the registers should be programmed twice with at
+ // least a 20ms pause between writes. The first write ensures that
+ // the device is enabled, and the second write starts the VCO
+ // selection process."
+ // The first write and the 20ms wait are done here. The second write
+ // is done when any other function that does a write to the registers
+ // is called (such as tuning).
+ _write_all_regs = true;
+ _delay_after_write = true;
+ commit();
+ _write_all_regs = true; // Next call to commit() writes all regs
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::shutdown(void)
+{
+ _regs.rf_output_enable = max287x_regs_t::RF_OUTPUT_ENABLE_DISABLED;
+ _regs.aux_output_enable = max287x_regs_t::AUX_OUTPUT_ENABLE_DISABLED;
+ _regs.power_down = max287x_regs_t::POWER_DOWN_SHUTDOWN;
+ commit();
+}
+
+template <typename max287x_regs_t>
+bool max287x<max287x_regs_t>::is_shutdown(void)
+{
+ return (_regs.power_down == max287x_regs_t::POWER_DOWN_SHUTDOWN);
+}
+
+template <typename max287x_regs_t>
+double max287x<max287x_regs_t>::set_frequency(
+ double target_freq,
+ double ref_freq,
+ double target_pfd_freq,
+ bool is_int_n)
+{
+ _can_sync = false;
+
+ //map rf divider select output dividers to enums
+ static const uhd::dict<int, typename max287x_regs_t::rf_divider_select_t> rfdivsel_to_enum =
+ boost::assign::map_list_of
+ (1, max287x_regs_t::RF_DIVIDER_SELECT_DIV1)
+ (2, max287x_regs_t::RF_DIVIDER_SELECT_DIV2)
+ (4, max287x_regs_t::RF_DIVIDER_SELECT_DIV4)
+ (8, max287x_regs_t::RF_DIVIDER_SELECT_DIV8)
+ (16, max287x_regs_t::RF_DIVIDER_SELECT_DIV16)
+ (32, max287x_regs_t::RF_DIVIDER_SELECT_DIV32)
+ (64, max287x_regs_t::RF_DIVIDER_SELECT_DIV64)
+ (128, max287x_regs_t::RF_DIVIDER_SELECT_DIV128);
+
+ //map mode setting to valid integer divider (N) values
+ static const uhd::range_t int_n_mode_div_range(16,65536,1);
+ static const uhd::range_t frac_n_mode_div_range(19,4091,1);
+
+ //other ranges and constants from MAX287X datasheets
+ static const uhd::range_t clock_div_range(1,4095,1);
+ static const uhd::range_t r_range(1,1023,1);
+ static const double MIN_VCO_FREQ = 3e9;
+ static const double BS_FREQ = 50e3;
+ static const int MAX_BS_VALUE = 1023;
+
+ int T = 0;
+ int D = ref_freq <= 10.0e6 ? 1 : 0;
+ int R = 0;
+ int BS = 0;
+ int N = 0;
+ int FRAC = 0;
+ int MOD = 4095;
+ int RFdiv = 1;
+ double pfd_freq = target_pfd_freq;
+ bool feedback_divided = (_regs.feedback_select == max287x_regs_t::FEEDBACK_SELECT_DIVIDED);
+
+ //increase RF divider until acceptable VCO frequency (MIN freq for MAX287x VCO is 3GHz)
+ double vco_freq = target_freq;
+ while (vco_freq < MIN_VCO_FREQ)
+ {
+ vco_freq *= 2;
+ RFdiv *= 2;
+ }
+
+ // The feedback frequency can be the fundamental VCO frequency or
+ // divided frequency. The output divider for MAX287x is actually
+ // 2 dividers, but only the first (1/2/4/8/16) is included in the
+ // feedback loop.
+ int fb_divisor = feedback_divided ? (RFdiv > 16 ? 16 : RFdiv) : 1;
+
+ /*
+ * The goal here is to loop though possible R dividers,
+ * band select clock dividers, N (int) dividers, and FRAC
+ * (frac) dividers.
+ *
+ * Calculate the N and F dividers for each set of values.
+ * The loop exits when it meets all of the constraints.
+ * The resulting loop values are loaded into the registers.
+ *
+ * f_pfd = f_ref*(1+D)/(R*(1+T))
+ * f_vco = (N + (FRAC/MOD))*f_pfd
+ * N = f_vco/f_pfd - FRAC/MOD = f_vco*((R*(T+1))/(f_ref*(1+D))) - FRAC/MOD
+ * f_rf = f_vco/RFdiv
+ */
+ for(R = int(ref_freq*(1+D)/(target_pfd_freq*(1+T))); R <= r_range.stop(); R++)
+ {
+ //PFD input frequency = f_ref/R ... ignoring Reference doubler/divide-by-2 (D & T)
+ pfd_freq = ref_freq*(1+D)/(R*(1+T));
+
+ //keep the PFD frequency at or below target
+ if (pfd_freq > target_pfd_freq)
+ continue;
+
+ //ignore fractional part of tuning
+ N = int((vco_freq/pfd_freq)/fb_divisor);
+
+ //Fractional-N calculation
+ FRAC = int(boost::math::round(((vco_freq/pfd_freq)/fb_divisor - N)*MOD));
+
+ if(is_int_n)
+ {
+ if (FRAC > (MOD / 2)) //Round integer such that actual freq is closest to target
+ N++;
+ FRAC = 0;
+ }
+
+ //keep N within int divider requirements
+ if(is_int_n)
+ {
+ if(N < int_n_mode_div_range.start()) continue;
+ if(N > int_n_mode_div_range.stop()) continue;
+ }
+ else
+ {
+ if(N < frac_n_mode_div_range.start()) continue;
+ if(N > frac_n_mode_div_range.stop()) continue;
+ }
+
+ //keep pfd freq low enough to achieve 50kHz BS clock
+ BS = std::ceil(pfd_freq / BS_FREQ);
+ if(BS <= MAX_BS_VALUE) break;
+ }
+ UHD_ASSERT_THROW(R <= r_range.stop());
+
+ //Reference divide-by-2 for 50% duty cycle
+ // if R even, move one divide by 2 to to regs.reference_divide_by_2
+ if(R % 2 == 0)
+ {
+ T = 1;
+ R /= 2;
+ }
+
+ //actual frequency calculation
+ double actual_freq = double((N + (double(FRAC)/double(MOD)))*ref_freq*(1+int(D))/(R*(1+int(T)))) * fb_divisor / RFdiv;
+
+ UHD_LOGV(rarely)
+ << boost::format("MAX287x: Intermediates: ref=%0.2f, outdiv=%f, fbdiv=%f"
+ ) % ref_freq % double(RFdiv*2) % double(N + double(FRAC)/double(MOD)) << std::endl
+ << boost::format("MAX287x: tune: R=%d, BS=%d, N=%d, FRAC=%d, MOD=%d, T=%d, D=%d, RFdiv=%d, type=%s"
+ ) % R % BS % N % FRAC % MOD % T % D % RFdiv % ((is_int_n) ? "Integer-N" : "Fractional") << std::endl
+ << boost::format("MAX287x: Frequencies (MHz): REQ=%0.2f, ACT=%0.2f, VCO=%0.2f, PFD=%0.2f, BAND=%0.2f"
+ ) % (target_freq/1e6) % (actual_freq/1e6) % (vco_freq/1e6) % (pfd_freq/1e6) % (pfd_freq/BS/1e6) << std::endl;
+
+ //load the register values
+ _regs.rf_output_enable = max287x_regs_t::RF_OUTPUT_ENABLE_ENABLED;
+
+ if(is_int_n) {
+ _regs.cpl = max287x_regs_t::CPL_DISABLED;
+ _regs.ldf = max287x_regs_t::LDF_INT_N;
+ _regs.int_n_mode = max287x_regs_t::INT_N_MODE_INT_N;
+ } else {
+ _regs.cpl = max287x_regs_t::CPL_ENABLED;
+ _regs.ldf = max287x_regs_t::LDF_FRAC_N;
+ _regs.int_n_mode = max287x_regs_t::INT_N_MODE_FRAC_N;
+ }
+
+ _regs.lds = pfd_freq <= 32e6 ? max287x_regs_t::LDS_SLOW : max287x_regs_t::LDS_FAST;
+
+ _regs.frac_12_bit = FRAC;
+ _regs.int_16_bit = N;
+ _regs.mod_12_bit = MOD;
+ _regs.clock_divider_12_bit = std::max(int(clock_div_range.start()), int(std::ceil(400e-6*pfd_freq/MOD)));
+ UHD_ASSERT_THROW(_regs.clock_divider_12_bit <= clock_div_range.stop());
+ _regs.r_counter_10_bit = R;
+ _regs.reference_divide_by_2 = T ?
+ max287x_regs_t::REFERENCE_DIVIDE_BY_2_ENABLED :
+ max287x_regs_t::REFERENCE_DIVIDE_BY_2_DISABLED;
+ _regs.reference_doubler = D ?
+ max287x_regs_t::REFERENCE_DOUBLER_ENABLED :
+ max287x_regs_t::REFERENCE_DOUBLER_DISABLED;
+ _regs.band_select_clock_div = BS & 0xFF;
+ _regs.bs_msb = (BS & 0x300) >> 8;
+ UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv));
+ _regs.rf_divider_select = rfdivsel_to_enum[RFdiv];
+
+ if (_regs.clock_div_mode == max287x_regs_t::CLOCK_DIV_MODE_FAST_LOCK)
+ {
+ // Charge pump current needs to be set to lowest value in fast lock mode
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_0_32MA;
+ // Make sure the register containing the charge pump current is written
+ _write_all_regs = true;
+ }
+
+ return actual_freq;
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_output_power(output_power_t power)
+{
+ switch (power)
+ {
+ case OUTPUT_POWER_M4DBM:
+ _regs.output_power = max287x_regs_t::OUTPUT_POWER_M4DBM;
+ break;
+ case OUTPUT_POWER_M1DBM:
+ _regs.output_power = max287x_regs_t::OUTPUT_POWER_M1DBM;
+ break;
+ case OUTPUT_POWER_2DBM:
+ _regs.output_power = max287x_regs_t::OUTPUT_POWER_2DBM;
+ break;
+ case OUTPUT_POWER_5DBM:
+ _regs.output_power = max287x_regs_t::OUTPUT_POWER_5DBM;
+ break;
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
+ }
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_ld_pin_mode(ld_pin_mode_t mode)
+{
+ switch(mode)
+ {
+ case LD_PIN_MODE_LOW:
+ _regs.ld_pin_mode = max287x_regs_t::LD_PIN_MODE_LOW;
+ break;
+ case LD_PIN_MODE_DLD:
+ _regs.ld_pin_mode = max287x_regs_t::LD_PIN_MODE_DLD;
+ break;
+ case LD_PIN_MODE_ALD:
+ _regs.ld_pin_mode = max287x_regs_t::LD_PIN_MODE_ALD;
+ break;
+ case LD_PIN_MODE_HIGH:
+ _regs.ld_pin_mode = max287x_regs_t::LD_PIN_MODE_HIGH;
+ break;
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
+ }
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_muxout_mode(muxout_mode_t mode)
+{
+ switch(mode)
+ {
+ case MUXOUT_TRI_STATE:
+ _regs.muxout = max287x_regs_t::MUXOUT_TRI_STATE;
+ break;
+ case MUXOUT_HIGH:
+ _regs.muxout = max287x_regs_t::MUXOUT_HIGH;
+ break;
+ case MUXOUT_LOW:
+ _regs.muxout = max287x_regs_t::MUXOUT_LOW;
+ break;
+ case MUXOUT_RDIV:
+ _regs.muxout = max287x_regs_t::MUXOUT_RDIV;
+ break;
+ case MUXOUT_NDIV:
+ _regs.muxout = max287x_regs_t::MUXOUT_NDIV;
+ break;
+ case MUXOUT_ALD:
+ _regs.muxout = max287x_regs_t::MUXOUT_ALD;
+ break;
+ case MUXOUT_DLD:
+ _regs.muxout = max287x_regs_t::MUXOUT_DLD;
+ break;
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
+ }
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_charge_pump_current(charge_pump_current_t cp_current)
+{
+ switch(cp_current)
+ {
+ case CHARGE_PUMP_CURRENT_0_32MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_0_32MA;
+ break;
+ case CHARGE_PUMP_CURRENT_0_64MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_0_64MA;
+ break;
+ case CHARGE_PUMP_CURRENT_0_96MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_0_96MA;
+ break;
+ case CHARGE_PUMP_CURRENT_1_28MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_1_28MA;
+ break;
+ case CHARGE_PUMP_CURRENT_1_60MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_1_60MA;
+ break;
+ case CHARGE_PUMP_CURRENT_1_92MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_1_92MA;
+ break;
+ case CHARGE_PUMP_CURRENT_2_24MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_2_24MA;
+ break;
+ case CHARGE_PUMP_CURRENT_2_56MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_2_56MA;
+ break;
+ case CHARGE_PUMP_CURRENT_2_88MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_2_88MA;
+ break;
+ case CHARGE_PUMP_CURRENT_3_20MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_3_20MA;
+ break;
+ case CHARGE_PUMP_CURRENT_3_52MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_3_52MA;
+ break;
+ case CHARGE_PUMP_CURRENT_3_84MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_3_84MA;
+ break;
+ case CHARGE_PUMP_CURRENT_4_16MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_4_16MA;
+ break;
+ case CHARGE_PUMP_CURRENT_4_48MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_4_48MA;
+ break;
+ case CHARGE_PUMP_CURRENT_4_80MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_4_80MA;
+ break;
+ case CHARGE_PUMP_CURRENT_5_12MA:
+ _regs.charge_pump_current = max287x_regs_t::CHARGE_PUMP_CURRENT_5_12MA;
+ break;
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
+ }
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_auto_retune(bool enabled)
+{
+ _regs.retune = enabled ? max287x_regs_t::RETUNE_ENABLED : max287x_regs_t::RETUNE_DISABLED;
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_clock_divider_mode(clock_divider_mode_t mode)
+{
+ switch(mode)
+ {
+ case CLOCK_DIV_MODE_CLOCK_DIVIDER_OFF:
+ _regs.clock_div_mode = max287x_regs_t::CLOCK_DIV_MODE_CLOCK_DIVIDER_OFF;
+ break;
+ case CLOCK_DIV_MODE_FAST_LOCK:
+ _regs.clock_div_mode = max287x_regs_t::CLOCK_DIV_MODE_FAST_LOCK;
+ break;
+ case CLOCK_DIV_MODE_PHASE:
+ _regs.clock_div_mode = max287x_regs_t::CLOCK_DIV_MODE_PHASE;
+ break;
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
+ }
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_cycle_slip_mode(bool enabled)
+{
+ if (enabled)
+ throw uhd::runtime_error("Cycle slip mode not supported on this MAX287x synthesizer.");
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_low_noise_and_spur(low_noise_and_spur_t mode)
+{
+ switch(mode)
+ {
+ case LOW_NOISE_AND_SPUR_LOW_NOISE:
+ _regs.low_noise_and_spur = max287x_regs_t::LOW_NOISE_AND_SPUR_LOW_NOISE;
+ break;
+ case LOW_NOISE_AND_SPUR_LOW_SPUR_1:
+ _regs.low_noise_and_spur = max287x_regs_t::LOW_NOISE_AND_SPUR_LOW_SPUR_1;
+ break;
+ case LOW_NOISE_AND_SPUR_LOW_SPUR_2:
+ _regs.low_noise_and_spur = max287x_regs_t::LOW_NOISE_AND_SPUR_LOW_SPUR_2;
+ break;
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
+ }
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::set_phase(boost::uint16_t phase)
+{
+ _regs.phase_12_bit = phase & 0xFFF;
+}
+
+template <typename max287x_regs_t>
+void max287x<max287x_regs_t>::commit()
+{
+ std::vector<boost::uint32_t> regs;
+ std::set<boost::uint32_t> changed_regs;
+
+ // Get only regs with changes
+ if (_write_all_regs)
+ {
+ for (int addr = 5; addr >= 0; addr--)
+ regs.push_back(_regs.get_reg(boost::uint32_t(addr)));
+ } else {
+ try {
+ changed_regs = _regs.template get_changed_addrs<boost::uint32_t> ();
+ for (int addr = 5; addr >= 0; addr--)
+ {
+ if (changed_regs.find(boost::uint32_t(addr)) != changed_regs.end())
+ regs.push_back(_regs.get_reg(boost::uint32_t(addr)));
+ }
+ } catch (uhd::runtime_error& e) {
+ // No saved state - write all regs
+ for (int addr = 5; addr >= 0; addr--)
+ regs.push_back(_regs.get_reg(boost::uint32_t(addr)));
+ }
+ }
+
+ _write(regs);
+ _regs.save_state();
+ _write_all_regs = false;
+
+ if (_delay_after_write)
+ {
+ boost::this_thread::sleep(boost::posix_time::milliseconds(20));
+ _delay_after_write = false;
+ }
+}
+
+
+template <typename max287x_regs_t>
+bool max287x<max287x_regs_t>::can_sync(void)
+{
+ return _can_sync;
+}
+
+#endif // MAX287X_HPP_INCLUDED
diff --git a/host/lib/usrp/dboard/db_cbx.cpp b/host/lib/usrp/dboard/db_cbx.cpp
index ad255460e..8336117b8 100644
--- a/host/lib/usrp/dboard/db_cbx.cpp
+++ b/host/lib/usrp/dboard/db_cbx.cpp
@@ -15,8 +15,6 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
-
-#include "max2870_regs.hpp"
#include "db_sbx_common.hpp"
#include <boost/algorithm/string.hpp>
#include <boost/math/special_functions/round.hpp>
@@ -31,6 +29,8 @@ using namespace boost::assign;
sbx_xcvr::cbx::cbx(sbx_xcvr *_self_sbx_xcvr) {
//register the handle to our base CBX class
self_base = _self_sbx_xcvr;
+ _txlo = max287x_iface::make<max2870>(boost::bind(&sbx_xcvr::cbx::write_lo_regs, this, dboard_iface::UNIT_TX, _1));
+ _rxlo = max287x_iface::make<max2870>(boost::bind(&sbx_xcvr::cbx::write_lo_regs, this, dboard_iface::UNIT_RX, _1));
}
@@ -38,6 +38,14 @@ sbx_xcvr::cbx::~cbx(void){
/* NOP */
}
+void sbx_xcvr::cbx::write_lo_regs(dboard_iface::unit_t unit, std::vector<boost::uint32_t> &regs)
+{
+ BOOST_FOREACH(boost::uint32_t reg, regs)
+ {
+ self_base->get_iface()->write_spi(unit, spi_config_t::EDGE_RISE, reg, 32);
+ }
+}
+
/***********************************************************************
* Tuning
@@ -47,6 +55,13 @@ double sbx_xcvr::cbx::set_lo_freq(dboard_iface::unit_t unit, double target_freq)
"CBX tune: target frequency %f MHz"
) % (target_freq/1e6) << std::endl;
+ //clip the input
+ target_freq = cbx_freq_range.clip(target_freq);
+
+ double ref_freq = self_base->get_iface()->get_clock_rate(unit);
+ double target_pfd_freq = 25e6;
+ double actual_freq = 0.0;
+
/*
* If the user sets 'mode_n=integer' in the tuning args, the user wishes to
* tune in Integer-N mode, which can result in better spur
@@ -57,174 +72,17 @@ double sbx_xcvr::cbx::set_lo_freq(dboard_iface::unit_t unit, double target_freq)
device_addr_t tune_args = subtree->access<device_addr_t>("tune_args").get();
bool is_int_n = boost::iequals(tune_args.get("mode_n",""), "integer");
- //clip the input
- target_freq = cbx_freq_range.clip(target_freq);
-
- //map mode setting to valid integer divider (N) values
- static const uhd::range_t int_n_mode_div_range(16,4095,1);
- static const uhd::range_t frac_n_mode_div_range(19,4091,1);
-
- //map rf divider select output dividers to enums
- static const uhd::dict<int, max2870_regs_t::rf_divider_select_t> rfdivsel_to_enum = map_list_of
- (1, max2870_regs_t::RF_DIVIDER_SELECT_DIV1)
- (2, max2870_regs_t::RF_DIVIDER_SELECT_DIV2)
- (4, max2870_regs_t::RF_DIVIDER_SELECT_DIV4)
- (8, max2870_regs_t::RF_DIVIDER_SELECT_DIV8)
- (16, max2870_regs_t::RF_DIVIDER_SELECT_DIV16)
- (32, max2870_regs_t::RF_DIVIDER_SELECT_DIV32)
- (64, max2870_regs_t::RF_DIVIDER_SELECT_DIV64)
- (128, max2870_regs_t::RF_DIVIDER_SELECT_DIV128)
- ;
-
- double actual_freq, pfd_freq;
- double ref_freq = self_base->get_iface()->get_clock_rate(unit);
- int R=0, BS=0, N=0, FRAC=0, MOD=4095;
- int RFdiv = 1;
- max2870_regs_t::reference_divide_by_2_t T = max2870_regs_t::REFERENCE_DIVIDE_BY_2_DISABLED;
- max2870_regs_t::reference_doubler_t D = max2870_regs_t::REFERENCE_DOUBLER_DISABLED;
-
- //Reference doubler for 50% duty cycle
- // if ref_freq < 12.5MHz enable regs.reference_divide_by_2
- //NOTE: MAX2870 goes down to 10MHz ref vs. 12.5MHz on ADF4351
- if(ref_freq <= 10.0e6) D = max2870_regs_t::REFERENCE_DOUBLER_ENABLED;
-
- //increase RF divider until acceptable VCO frequency
- double vco_freq = target_freq;
- //NOTE: MIN freq for MAX2870 VCO is 3GHz vs. 2.2GHz on ADF4351
- while (vco_freq < 3e9) {
- vco_freq *= 2;
- RFdiv *= 2;
- }
-
- /*
- * The goal here is to loop though possible R dividers,
- * band select clock dividers, N (int) dividers, and FRAC
- * (frac) dividers.
- *
- * Calculate the N and F dividers for each set of values.
- * The loop exits when it meets all of the constraints.
- * The resulting loop values are loaded into the registers.
- *
- * from pg.21
- *
- * f_pfd = f_ref*(1+D)/(R*(1+T))
- * f_vco = (N + (FRAC/MOD))*f_pfd
- * N = f_vco/f_pfd - FRAC/MOD = f_vco*((R*(T+1))/(f_ref*(1+D))) - FRAC/MOD
- * f_rf = f_vco/RFdiv
- */
- for(R = 1; R <= 1023; R+=1){
- //PFD input frequency = f_ref/R ... ignoring Reference doubler/divide-by-2 (D & T)
- pfd_freq = ref_freq*(1+D)/(R*(1+T));
-
- //keep the PFD frequency at or below 25MHz
- if (pfd_freq > 25e6) continue;
-
- //ignore fractional part of tuning
- N = int(vco_freq/pfd_freq);
-
- //Fractional-N calculation
- FRAC = int(boost::math::round((vco_freq/pfd_freq - N)*MOD));
-
- if(is_int_n) {
- if (FRAC > (MOD / 2)) { //Round integer such that actual freq is closest to target
- N++;
- }
- FRAC = 0;
- }
-
- //keep N within int divider requirements
- if(is_int_n) {
- if(N < int_n_mode_div_range.start()) continue;
- if(N > int_n_mode_div_range.stop()) continue;
- } else {
- if(N < frac_n_mode_div_range.start()) continue;
- if(N > frac_n_mode_div_range.stop()) continue;
- }
-
- //keep pfd freq low enough to achieve 50kHz BS clock
- BS = int(std::ceil(pfd_freq / 50e3));
- if(BS <= 1023) break;
- }
-
- UHD_ASSERT_THROW(R <= 1023);
-
- //Reference divide-by-2 for 50% duty cycle
- // if R even, move one divide by 2 to to regs.reference_divide_by_2
- if(R % 2 == 0){
- T = max2870_regs_t::REFERENCE_DIVIDE_BY_2_ENABLED;
- R /= 2;
- }
-
- //actual frequency calculation
- actual_freq = double((N + (double(FRAC)/double(MOD)))*ref_freq*(1+int(D))/(R*(1+int(T)))/RFdiv);
-
- boost::uint16_t rx_id = self_base->get_rx_id().to_uint16();
- std::string board_name = (rx_id == 0x0085) ? "CBX-120" : "CBX";
- UHD_LOGV(often)
- << boost::format("%s Intermediates: ref=%0.2f, outdiv=%f, fbdiv=%f"
- ) % board_name.c_str() % (ref_freq*(1+int(D))/(R*(1+int(T)))) % double(RFdiv*2) % double(N + double(FRAC)/double(MOD)) << std::endl
- << boost::format("%s tune: R=%d, BS=%d, N=%d, FRAC=%d, MOD=%d, T=%d, D=%d, RFdiv=%d, type=%s"
- ) % board_name.c_str() % R % BS % N % FRAC % MOD % T % D % RFdiv % ((is_int_n) ? "Integer-N" : "Fractional") << std::endl
- << boost::format("%s Frequencies (MHz): REQ=%0.2f, ACT=%0.2f, VCO=%0.2f, PFD=%0.2f, BAND=%0.2f"
- ) % board_name.c_str() % (target_freq/1e6) % (actual_freq/1e6) % (vco_freq/1e6) % (pfd_freq/1e6) % (pfd_freq/BS/1e6) << std::endl;
-
- //load the register values
- max2870_regs_t regs;
-
- if ((unit == dboard_iface::UNIT_TX) and (actual_freq == sbx_tx_lo_2dbm.clip(actual_freq)))
- regs.output_power = max2870_regs_t::OUTPUT_POWER_2DBM;
- else
- regs.output_power = max2870_regs_t::OUTPUT_POWER_5DBM;
-
- //set frac/int CPL mode
- max2870_regs_t::cpl_t cpl;
- max2870_regs_t::ldf_t ldf;
- max2870_regs_t::cpoc_t cpoc;
- if(is_int_n) {
- cpl = max2870_regs_t::CPL_DISABLED;
- cpoc = max2870_regs_t::CPOC_ENABLED;
- ldf = max2870_regs_t::LDF_INT_N;
+ if (unit == dboard_iface::UNIT_RX)
+ {
+ actual_freq = _rxlo->set_frequency(target_freq, ref_freq, target_pfd_freq, is_int_n);
+ _rxlo->commit();
} else {
- cpl = max2870_regs_t::CPL_ENABLED;
- ldf = max2870_regs_t::LDF_FRAC_N;
- cpoc = max2870_regs_t::CPOC_DISABLED;
- }
-
- regs.frac_12_bit = FRAC;
- regs.int_16_bit = N;
- regs.mod_12_bit = MOD;
- regs.clock_divider_12_bit = std::max(1, int(std::ceil(400e-6*pfd_freq/MOD)));
- regs.feedback_select = (target_freq >= 3.0e9) ? max2870_regs_t::FEEDBACK_SELECT_DIVIDED : max2870_regs_t::FEEDBACK_SELECT_FUNDAMENTAL;
- regs.r_counter_10_bit = R;
- regs.reference_divide_by_2 = T;
- regs.reference_doubler = D;
- regs.band_select_clock_div = (BS & 0x0FF);
- regs.bs_msb = (BS & 0x300) >>8;
- UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv));
- regs.rf_divider_select = rfdivsel_to_enum[RFdiv];
- regs.int_n_mode = (is_int_n) ? max2870_regs_t::INT_N_MODE_INT_N : max2870_regs_t::INT_N_MODE_FRAC_N;
- regs.cpl = cpl;
- regs.ldf = ldf;
- regs.cpoc = cpoc;
-
- //write the registers
- //correct power-up sequence to write registers (5, 4, 3, 2, 1, 0)
- int addr;
-
- for(addr=5; addr>=0; addr--){
- UHD_LOGV(often) << boost::format(
- "%s SPI Reg (0x%02x): 0x%08x"
- ) % board_name.c_str() % addr % regs.get_reg(addr) << std::endl;
- self_base->get_iface()->write_spi(
- unit, spi_config_t::EDGE_RISE,
- regs.get_reg(addr), 32
- );
+ actual_freq = _txlo->set_frequency(target_freq, ref_freq, target_pfd_freq, is_int_n);
+ _txlo->set_output_power((actual_freq == sbx_tx_lo_2dbm.clip(actual_freq))
+ ? max287x_iface::OUTPUT_POWER_2DBM
+ : max287x_iface::OUTPUT_POWER_5DBM);
+ _txlo->commit();
}
-
- //return the actual frequency
- UHD_LOGV(often) << boost::format(
- "%s tune: actual frequency %f MHz"
- ) % board_name.c_str() % (actual_freq/1e6) << std::endl;
return actual_freq;
}
diff --git a/host/lib/usrp/dboard/db_sbx_common.hpp b/host/lib/usrp/dboard/db_sbx_common.hpp
index 58f79a606..a08d22537 100644
--- a/host/lib/usrp/dboard/db_sbx_common.hpp
+++ b/host/lib/usrp/dboard/db_sbx_common.hpp
@@ -17,7 +17,8 @@
#include <uhd/types/device_addr.hpp>
-#include "../common/adf435x_common.hpp"
+#include "adf435x_common.hpp"
+#include "max287x.hpp"
// Common IO Pins
#define LO_LPF_EN (1 << 15)
@@ -223,6 +224,10 @@ protected:
/*! This is the registered instance of the wrapper class, sbx_base. */
sbx_xcvr *self_base;
+ private:
+ void write_lo_regs(dboard_iface::unit_t unit, std::vector<boost::uint32_t> &regs);
+ max287x_iface::sptr _txlo;
+ max287x_iface::sptr _rxlo;
};
/*!
diff --git a/host/lib/usrp/dboard/db_ubx.cpp b/host/lib/usrp/dboard/db_ubx.cpp
index 06bfad7d3..40756c169 100644
--- a/host/lib/usrp/dboard/db_ubx.cpp
+++ b/host/lib/usrp/dboard/db_ubx.cpp
@@ -34,522 +34,11 @@
#include <boost/algorithm/string.hpp>
#include <boost/thread/mutex.hpp>
#include <map>
+#include "max287x.hpp"
using namespace uhd;
using namespace uhd::usrp;
-#define fMHz (1000000.0)
-#define UBX_PROTO_V3_TX_ID 0x73
-#define UBX_PROTO_V3_RX_ID 0x74
-#define UBX_PROTO_V4_TX_ID 0x75
-#define UBX_PROTO_V4_RX_ID 0x76
-#define UBX_V1_40MHZ_TX_ID 0x77
-#define UBX_V1_40MHZ_RX_ID 0x78
-#define UBX_V1_160MHZ_TX_ID 0x79
-#define UBX_V1_160MHZ_RX_ID 0x7a
-
-/***********************************************************************
- * UBX Synthesizers
- **********************************************************************/
-#include "max2870_regs.hpp"
-#include "max2871_regs.hpp"
-
-typedef boost::function<void(std::vector<boost::uint32_t>)> max287x_write_fn;
-
-class max287x_synthesizer_iface
-{
-public:
- virtual bool is_shutdown(void) = 0;
- virtual void shutdown(void) = 0;
- virtual void power_up(void) = 0;
- virtual double set_freq_and_power(double target_freq, double ref_freq, bool is_int_n, int output_power) = 0;
-};
-
-class max287x : public max287x_synthesizer_iface
-{
-public:
- max287x(max287x_write_fn write_fn) : _write_fn(write_fn) {};
- virtual ~max287x() {};
-
-protected:
- virtual std::set<boost::uint32_t> get_changed_addrs(void) = 0;
- virtual boost::uint32_t get_reg(boost::uint32_t addr) = 0;
- virtual void save_state(void) = 0;
-
- void write_regs(void)
- {
- std::vector<boost::uint32_t> regs;
- std::set<boost::uint32_t> changed_regs;
-
- // Get only regs with changes
- try {
- changed_regs = get_changed_addrs();
- } catch (uhd::runtime_error&) {
- // No saved state - write all regs
- for (int addr = 5; addr >= 0; addr--)
- changed_regs.insert(boost::uint32_t(addr));
- }
-
- for (int addr = 5; addr >= 0; addr--)
- {
- if (changed_regs.find(boost::uint32_t(addr)) != changed_regs.end())
- regs.push_back(get_reg(boost::uint32_t(addr)));
- }
-
- // writing reg 0 initiates VCO auto select, so this makes sure it is written
- if (changed_regs.size() and changed_regs.find(0) == changed_regs.end())
- regs.push_back(get_reg(0));
-
- _write_fn(regs);
- save_state();
- }
-
- double calculate_freq_settings(
- double target_freq,
- double ref_freq,
- double target_pfd_freq,
- bool is_int_n,
- double &pfd_freq,
- int& T,
- int& D,
- int& R,
- int& BS,
- int& N,
- int& FRAC,
- int& MOD,
- int& RFdiv)
- {
- //map mode setting to valid integer divider (N) values
- static const uhd::range_t int_n_mode_div_range(16,4095,1);
- static const uhd::range_t frac_n_mode_div_range(19,4091,1);
-
- double actual_freq = 0.0;
-
- T = 0;
- D = ref_freq <= 10.0e6 ? 1 : 0;
- R = 0;
- BS = 0;
- N = 0;
- FRAC = 0;
- MOD = 4095;
- RFdiv = 1;
-
- //increase RF divider until acceptable VCO frequency (MIN freq for MAX287x VCO is 3GHz)
- double vco_freq = target_freq;
- while (vco_freq < 3e9)
- {
- vco_freq *= 2;
- RFdiv *= 2;
- }
-
- /*
- * The goal here is to loop though possible R dividers,
- * band select clock dividers, N (int) dividers, and FRAC
- * (frac) dividers.
- *
- * Calculate the N and F dividers for each set of values.
- * The loop exits when it meets all of the constraints.
- * The resulting loop values are loaded into the registers.
- *
- * f_pfd = f_ref*(1+D)/(R*(1+T))
- * f_vco = (N + (FRAC/MOD))*f_pfd
- * N = f_vco/f_pfd - FRAC/MOD = f_vco*((R*(T+1))/(f_ref*(1+D))) - FRAC/MOD
- * f_rf = f_vco/RFdiv
- */
- for(R = int(ref_freq*(1+D)/(target_pfd_freq*(1+T))); R <= 1023; R++)
- {
- //PFD input frequency = f_ref/R ... ignoring Reference doubler/divide-by-2 (D & T)
- pfd_freq = ref_freq*(1+D)/(R*(1+T));
-
- //keep the PFD frequency at or below target
- if (pfd_freq > target_pfd_freq)
- continue;
-
- //ignore fractional part of tuning
- N = int(vco_freq/pfd_freq);
-
- //Fractional-N calculation
- FRAC = int(boost::math::round((vco_freq/pfd_freq - N)*MOD));
-
- if(is_int_n)
- {
- if (FRAC > (MOD / 2)) //Round integer such that actual freq is closest to target
- N++;
- FRAC = 0;
- }
-
- //keep N within int divider requirements
- if(is_int_n)
- {
- if(N < int_n_mode_div_range.start()) continue;
- if(N > int_n_mode_div_range.stop()) continue;
- }
- else
- {
- if(N < frac_n_mode_div_range.start()) continue;
- if(N > frac_n_mode_div_range.stop()) continue;
- }
-
- //keep pfd freq low enough to achieve 50kHz BS clock
- BS = int(std::ceil(pfd_freq / 50e3));
- if(BS <= 1023) break;
- }
- UHD_ASSERT_THROW(R <= 1023);
-
- //Reference divide-by-2 for 50% duty cycle
- // if R even, move one divide by 2 to to regs.reference_divide_by_2
- if(R % 2 == 0)
- {
- T = 1;
- R /= 2;
- }
-
- //actual frequency calculation
- actual_freq = double((N + (double(FRAC)/double(MOD)))*ref_freq*(1+int(D))/(R*(1+int(T)))/RFdiv);
-
- UHD_LOGV(rarely)
- << boost::format("MAX287x: Intermediates: ref=%0.2f, outdiv=%f, fbdiv=%f"
- ) % (ref_freq*(1+int(D))/(R*(1+int(T)))) % double(RFdiv*2) % double(N + double(FRAC)/double(MOD)) << std::endl
- << boost::format("MAX287x: tune: R=%d, BS=%d, N=%d, FRAC=%d, MOD=%d, T=%d, D=%d, RFdiv=%d, type=%s"
- ) % R % BS % N % FRAC % MOD % T % D % RFdiv % ((is_int_n) ? "Integer-N" : "Fractional") << std::endl
- << boost::format("MAX287x: Frequencies (MHz): REQ=%0.2f, ACT=%0.2f, VCO=%0.2f, PFD=%0.2f, BAND=%0.2f"
- ) % (pfd_freq/1e6) % (actual_freq/1e6) % (vco_freq/1e6) % (pfd_freq/1e6) % (pfd_freq/BS/1e6) << std::endl;
-
- return actual_freq;
- }
-
- max287x_write_fn _write_fn;
-};
-
-class max2870 : public max287x
-{
-public:
- max2870(max287x_write_fn write_fn) : max287x(write_fn), _first_tune(true)
- {
- // initialize register values (override defaults)
- _regs.retune = max2870_regs_t::RETUNE_DISABLED;
- _regs.clock_div_mode = max2870_regs_t::CLOCK_DIV_MODE_FAST_LOCK;
-
- // MAX2870 data sheet says that all registers must be written twice
- // with at least a 20ms delay between writes upon power up. One
- // write and a 20ms wait are done in power_up(). The second write
- // is done when any other function that does a write to the registers
- // is called. To ensure all registers are written the second time, the
- // state of the registers is not saved during the first write.
- _save_state = false;
- power_up();
- _save_state = true;
- };
-
- ~max2870()
- {
- shutdown();
- };
-
- bool is_shutdown(void)
- {
- return (_regs.power_down == max2870_regs_t::POWER_DOWN_SHUTDOWN);
- };
-
- void shutdown(void)
- {
- _regs.rf_output_enable = max2870_regs_t::RF_OUTPUT_ENABLE_DISABLED;
- _regs.aux_output_enable = max2870_regs_t::AUX_OUTPUT_ENABLE_DISABLED;
- _regs.power_down = max2870_regs_t::POWER_DOWN_SHUTDOWN;
- _regs.muxout = max2870_regs_t::MUXOUT_LOW;
- _regs.ld_pin_mode = max2870_regs_t::LD_PIN_MODE_LOW;
- write_regs();
- };
-
- void power_up(void)
- {
- _regs.muxout = max2870_regs_t::MUXOUT_DLD;
- _regs.ld_pin_mode = max2870_regs_t::LD_PIN_MODE_DLD;
- _regs.power_down = max2870_regs_t::POWER_DOWN_NORMAL;
- write_regs();
-
- // MAX270 data sheet says to wait at least 20 ms after exiting low power mode
- // before programming final VCO frequency
- boost::this_thread::sleep(boost::posix_time::milliseconds(20));
-
- _first_tune = true;
- };
-
- double set_freq_and_power(double target_freq, double ref_freq, bool is_int_n, int output_power)
- {
- //map rf divider select output dividers to enums
- static const uhd::dict<int, max2870_regs_t::rf_divider_select_t> rfdivsel_to_enum =
- boost::assign::map_list_of
- (1, max2870_regs_t::RF_DIVIDER_SELECT_DIV1)
- (2, max2870_regs_t::RF_DIVIDER_SELECT_DIV2)
- (4, max2870_regs_t::RF_DIVIDER_SELECT_DIV4)
- (8, max2870_regs_t::RF_DIVIDER_SELECT_DIV8)
- (16, max2870_regs_t::RF_DIVIDER_SELECT_DIV16)
- (32, max2870_regs_t::RF_DIVIDER_SELECT_DIV32)
- (64, max2870_regs_t::RF_DIVIDER_SELECT_DIV64)
- (128, max2870_regs_t::RF_DIVIDER_SELECT_DIV128);
-
- int T = 0;
- int D = ref_freq <= 10.0e6 ? 1 : 0;
- int R, BS, N, FRAC, MOD, RFdiv;
- double pfd_freq = 25e6;
-
- double actual_freq = calculate_freq_settings(
- target_freq, ref_freq, 25e6, is_int_n, pfd_freq, T, D, R, BS, N, FRAC, MOD, RFdiv);
-
- //load the register values
- _regs.rf_output_enable = max2870_regs_t::RF_OUTPUT_ENABLE_ENABLED;
-
- if(is_int_n) {
- _regs.cpl = max2870_regs_t::CPL_DISABLED;
- _regs.ldf = max2870_regs_t::LDF_INT_N;
- _regs.cpoc = max2870_regs_t::CPOC_ENABLED;
- _regs.int_n_mode = max2870_regs_t::INT_N_MODE_INT_N;
- } else {
- _regs.cpl = max2870_regs_t::CPL_ENABLED;
- _regs.ldf = max2870_regs_t::LDF_FRAC_N;
- _regs.cpoc = max2870_regs_t::CPOC_DISABLED;
- _regs.int_n_mode = max2870_regs_t::INT_N_MODE_FRAC_N;
- }
-
- _regs.lds = pfd_freq <= 32e6 ? max2870_regs_t::LDS_SLOW : max2870_regs_t::LDS_FAST;
-
- _regs.frac_12_bit = FRAC;
- _regs.int_16_bit = N;
- _regs.mod_12_bit = MOD;
- _regs.clock_divider_12_bit = std::max(1, int(std::ceil(400e-6*pfd_freq/MOD)));
- _regs.feedback_select = (target_freq >= 3.0e9) ?
- max2870_regs_t::FEEDBACK_SELECT_DIVIDED :
- max2870_regs_t::FEEDBACK_SELECT_FUNDAMENTAL;
- _regs.r_counter_10_bit = R;
- _regs.reference_divide_by_2 = T ?
- max2870_regs_t::REFERENCE_DIVIDE_BY_2_ENABLED :
- max2870_regs_t::REFERENCE_DIVIDE_BY_2_DISABLED;
- _regs.reference_doubler = D ?
- max2870_regs_t::REFERENCE_DOUBLER_ENABLED :
- max2870_regs_t::REFERENCE_DOUBLER_DISABLED;
- _regs.band_select_clock_div = BS;
- _regs.bs_msb = (BS & 0x300) >> 8;
- UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv));
- _regs.rf_divider_select = rfdivsel_to_enum[RFdiv];
-
- switch (output_power)
- {
- case -4:
- _regs.output_power = max2870_regs_t::OUTPUT_POWER_M4DBM;
- break;
- case -1:
- _regs.output_power = max2870_regs_t::OUTPUT_POWER_M1DBM;
- break;
- case 2:
- _regs.output_power = max2870_regs_t::OUTPUT_POWER_2DBM;
- break;
- case 5:
- _regs.output_power = max2870_regs_t::OUTPUT_POWER_5DBM;
- break;
- }
-
- // Write the register values
- write_regs();
-
- // MAX2870 needs a 20ms delay after tuning for the first time
- // for the lock detect to be reliable.
- if (_first_tune)
- {
- boost::this_thread::sleep(boost::posix_time::milliseconds(20));
- _first_tune = false;
- }
-
- return actual_freq;
- };
-
-private:
- std::set<boost::uint32_t> get_changed_addrs()
- {
- return _regs.get_changed_addrs<boost::uint32_t>();
- };
-
- boost::uint32_t get_reg(boost::uint32_t addr)
- {
- return _regs.get_reg(addr);
- };
-
- void save_state()
- {
- if (_save_state)
- _regs.save_state();
- }
-
- max2870_regs_t _regs;
- bool _save_state;
- bool _first_tune;
-};
-
-class max2871 : public max287x
-{
-public:
- max2871(max287x_write_fn write_fn) : max287x(write_fn), _first_tune(true)
- {
- // initialize register values (override defaults)
- _regs.retune = max2871_regs_t::RETUNE_DISABLED;
- //_regs.csm = max2871_regs_t::CSM_ENABLED; // tried it - caused long lock times
- _regs.charge_pump_current = max2871_regs_t::CHARGE_PUMP_CURRENT_5_12MA;
-
- // MAX2871 data sheet says that all registers must be written twice
- // with at least a 20ms delay between writes upon power up. One
- // write and a 20ms wait are done in power_up(). The second write
- // is done when any other function that does a write to the registers
- // is called. To ensure all registers are written the second time, the
- // state of the registers is not saved during the first write.
- _save_state = false;
- power_up();
- _save_state = true;
- };
-
- ~max2871()
- {
- shutdown();
- };
-
- bool is_shutdown(void)
- {
- return (_regs.power_down == max2871_regs_t::POWER_DOWN_SHUTDOWN);
- };
-
- void shutdown(void)
- {
- _regs.rf_output_enable = max2871_regs_t::RF_OUTPUT_ENABLE_DISABLED;
- _regs.aux_output_enable = max2871_regs_t::AUX_OUTPUT_ENABLE_DISABLED;
- _regs.power_down = max2871_regs_t::POWER_DOWN_SHUTDOWN;
- _regs.ld_pin_mode = max2871_regs_t::LD_PIN_MODE_LOW;
- _regs.muxout = max2871_regs_t::MUXOUT_TRI_STATE;
- write_regs();
- };
-
- void power_up(void)
- {
- _regs.ld_pin_mode = max2871_regs_t::LD_PIN_MODE_DLD;
- _regs.power_down = max2871_regs_t::POWER_DOWN_NORMAL;
- _regs.muxout = max2871_regs_t::MUXOUT_TRI_STATE;
- write_regs();
-
- // MAX271 data sheet says to wait at least 20 ms after exiting low power mode
- // before programming final VCO frequency
- boost::this_thread::sleep(boost::posix_time::milliseconds(20));
-
- _first_tune = true;
- };
-
- double set_freq_and_power(double target_freq, double ref_freq, bool is_int_n, int output_power)
- {
- //map rf divider select output dividers to enums
- static const uhd::dict<int, max2871_regs_t::rf_divider_select_t> rfdivsel_to_enum =
- boost::assign::map_list_of
- (1, max2871_regs_t::RF_DIVIDER_SELECT_DIV1)
- (2, max2871_regs_t::RF_DIVIDER_SELECT_DIV2)
- (4, max2871_regs_t::RF_DIVIDER_SELECT_DIV4)
- (8, max2871_regs_t::RF_DIVIDER_SELECT_DIV8)
- (16, max2871_regs_t::RF_DIVIDER_SELECT_DIV16)
- (32, max2871_regs_t::RF_DIVIDER_SELECT_DIV32)
- (64, max2871_regs_t::RF_DIVIDER_SELECT_DIV64)
- (128, max2871_regs_t::RF_DIVIDER_SELECT_DIV128);
-
- int T = 0;
- int D = ref_freq <= 10.0e6 ? 1 : 0;
- int R, BS, N, FRAC, MOD, RFdiv;
- double pfd_freq = 50e6;
-
- double actual_freq = calculate_freq_settings(
- target_freq, ref_freq, 50e6, is_int_n, pfd_freq, T, D, R, BS, N, FRAC, MOD, RFdiv);
-
- //load the register values
- _regs.rf_output_enable = max2871_regs_t::RF_OUTPUT_ENABLE_ENABLED;
-
- if(is_int_n) {
- _regs.cpl = max2871_regs_t::CPL_DISABLED;
- _regs.ldf = max2871_regs_t::LDF_INT_N;
- _regs.int_n_mode = max2871_regs_t::INT_N_MODE_INT_N;
- } else {
- _regs.cpl = max2871_regs_t::CPL_ENABLED;
- _regs.ldf = max2871_regs_t::LDF_FRAC_N;
- _regs.int_n_mode = max2871_regs_t::INT_N_MODE_FRAC_N;
- }
-
- _regs.lds = pfd_freq <= 32e6 ? max2871_regs_t::LDS_SLOW : max2871_regs_t::LDS_FAST;
-
- _regs.frac_12_bit = FRAC;
- _regs.int_16_bit = N;
- _regs.mod_12_bit = MOD;
- _regs.clock_divider_12_bit = std::max(1, int(std::ceil(400e-6*pfd_freq/MOD)));
- _regs.feedback_select = (target_freq >= 3.0e9) ?
- max2871_regs_t::FEEDBACK_SELECT_DIVIDED :
- max2871_regs_t::FEEDBACK_SELECT_FUNDAMENTAL;
- _regs.r_counter_10_bit = R;
- _regs.reference_divide_by_2 = T ?
- max2871_regs_t::REFERENCE_DIVIDE_BY_2_ENABLED :
- max2871_regs_t::REFERENCE_DIVIDE_BY_2_DISABLED;
- _regs.reference_doubler = D ?
- max2871_regs_t::REFERENCE_DOUBLER_ENABLED :
- max2871_regs_t::REFERENCE_DOUBLER_DISABLED;
- _regs.band_select_clock_div = BS;
- _regs.bs_msb = (BS & 0x300) >> 8;
- UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv));
- _regs.rf_divider_select = rfdivsel_to_enum[RFdiv];
-
- switch (output_power)
- {
- case -4:
- _regs.output_power = max2871_regs_t::OUTPUT_POWER_M4DBM;
- break;
- case -1:
- _regs.output_power = max2871_regs_t::OUTPUT_POWER_M1DBM;
- break;
- case 2:
- _regs.output_power = max2871_regs_t::OUTPUT_POWER_2DBM;
- break;
- case 5:
- _regs.output_power = max2871_regs_t::OUTPUT_POWER_5DBM;
- break;
- default:
- UHD_THROW_INVALID_CODE_PATH();
- break;
- }
-
- write_regs();
-
- // MAX2871 needs a 20ms delay after tuning for the first time
- // for the lock detect to be reliable.
- if (_first_tune)
- {
- boost::this_thread::sleep(boost::posix_time::milliseconds(20));
- _first_tune = false;
- }
-
- return actual_freq;
- };
-
-private:
- std::set<boost::uint32_t> get_changed_addrs()
- {
- return _regs.get_changed_addrs<boost::uint32_t>();
- };
-
- boost::uint32_t get_reg(boost::uint32_t addr)
- {
- return _regs.get_reg(addr);
- };
-
- void save_state()
- {
- if (_save_state)
- _regs.save_state();
- }
-
- max2871_regs_t _regs;
- bool _save_state;
- bool _first_tune;
-};
-
/***********************************************************************
* UBX Data Structures
**********************************************************************/
@@ -653,6 +142,15 @@ enum spi_dest_t {
/***********************************************************************
* UBX Constants
**********************************************************************/
+#define fMHz (1000000.0)
+static const dboard_id_t UBX_PROTO_V3_TX_ID(0x73);
+static const dboard_id_t UBX_PROTO_V3_RX_ID(0x74);
+static const dboard_id_t UBX_PROTO_V4_TX_ID(0x75);
+static const dboard_id_t UBX_PROTO_V4_RX_ID(0x76);
+static const dboard_id_t UBX_V1_40MHZ_TX_ID(0x77);
+static const dboard_id_t UBX_V1_40MHZ_RX_ID(0x78);
+static const dboard_id_t UBX_V1_160MHZ_TX_ID(0x79);
+static const dboard_id_t UBX_V1_160MHZ_RX_ID(0x7A);
static const freq_range_t ubx_freq_range(1.0e7, 6.0e9);
static const gain_range_t ubx_tx_gain_range(0, 31.5, double(0.5));
static const gain_range_t ubx_rx_gain_range(0, 31.5, double(0.5));
@@ -801,17 +299,37 @@ public:
// Initialize LOs
if (_rev == 0)
{
- _txlo1.reset(new max2870(boost::bind(&ubx_xcvr::write_spi_regs, this, TXLO1, _1)));
- _txlo2.reset(new max2870(boost::bind(&ubx_xcvr::write_spi_regs, this, TXLO2, _1)));
- _rxlo1.reset(new max2870(boost::bind(&ubx_xcvr::write_spi_regs, this, RXLO1, _1)));
- _rxlo2.reset(new max2870(boost::bind(&ubx_xcvr::write_spi_regs, this, RXLO2, _1)));
+ _txlo1 = max287x_iface::make<max2870>(boost::bind(&write_spi_regs, _iface, TXLO1, _1));
+ _txlo2 = max287x_iface::make<max2870>(boost::bind(&write_spi_regs, _iface, TXLO2, _1));
+ _rxlo1 = max287x_iface::make<max2870>(boost::bind(&write_spi_regs, _iface, RXLO1, _1));
+ _rxlo2 = max287x_iface::make<max2870>(boost::bind(&write_spi_regs, _iface, RXLO2, _1));
+ _target_pfd_freq = 25e6;
+ std::vector<max287x_iface::sptr> los = boost::assign::list_of(_txlo1)(_txlo2)(_rxlo1)(_rxlo2);
+ BOOST_FOREACH(max287x_iface::sptr lo, los)
+ {
+ lo->set_auto_retune(false);
+ lo->set_clock_divider_mode(max287x_iface::CLOCK_DIV_MODE_FAST_LOCK);
+ lo->set_muxout_mode(max287x_iface::MUXOUT_DLD);
+ lo->set_ld_pin_mode(max287x_iface::LD_PIN_MODE_DLD);
+ }
}
else if (_rev == 1)
{
- _txlo1.reset(new max2871(boost::bind(&ubx_xcvr::write_spi_regs, this, TXLO1, _1)));
- _txlo2.reset(new max2871(boost::bind(&ubx_xcvr::write_spi_regs, this, TXLO2, _1)));
- _rxlo1.reset(new max2871(boost::bind(&ubx_xcvr::write_spi_regs, this, RXLO1, _1)));
- _rxlo2.reset(new max2871(boost::bind(&ubx_xcvr::write_spi_regs, this, RXLO2, _1)));
+ _txlo1 = max287x_iface::make<max2871>(boost::bind(&write_spi_regs, _iface, TXLO1, _1));
+ _txlo2 = max287x_iface::make<max2871>(boost::bind(&write_spi_regs, _iface, TXLO2, _1));
+ _rxlo1 = max287x_iface::make<max2871>(boost::bind(&write_spi_regs, _iface, RXLO1, _1));
+ _rxlo2 = max287x_iface::make<max2871>(boost::bind(&write_spi_regs, _iface, RXLO2, _1));
+ _target_pfd_freq = 50e6;
+ std::vector<max287x_iface::sptr> los = boost::assign::list_of(_txlo1)(_txlo2)(_rxlo1)(_rxlo2);
+ BOOST_FOREACH(max287x_iface::sptr lo, los)
+ {
+ lo->set_auto_retune(false);
+ lo->set_clock_divider_mode(max287x_iface::CLOCK_DIV_MODE_CLOCK_DIVIDER_OFF);
+ //lo->set_cycle_slip_mode(true); // tried it - caused longer lock times
+ lo->set_charge_pump_current(max287x_iface::CHARGE_PUMP_CURRENT_5_12MA);
+ lo->set_muxout_mode(max287x_iface::MUXOUT_TRI_STATE);
+ lo->set_ld_pin_mode(max287x_iface::LD_PIN_MODE_DLD);
+ }
}
else
{
@@ -1133,9 +651,11 @@ private:
set_cpld_field(TXHB_SEL, 0);
write_cpld_reg();
// Set LO1 to IF of 2100 MHz (offset from RX IF to reduce leakage)
- freq_lo1 = _txlo1->set_freq_and_power(2100*fMHz, ref_freq, is_int_n, 5);
+ freq_lo1 = _txlo1->set_frequency(2100*fMHz, ref_freq, _target_pfd_freq, is_int_n);
+ _txlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM);
// Set LO2 to IF minus desired frequency
- freq_lo2 = _txlo2->set_freq_and_power(freq_lo1 - freq, ref_freq, is_int_n, 2);
+ freq_lo2 = _txlo2->set_frequency(freq_lo1 - freq, ref_freq, _target_pfd_freq, is_int_n);
+ _txlo2->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq >= (500*fMHz)) && (freq <= (800*fMHz)))
{
@@ -1145,7 +665,8 @@ private:
set_cpld_field(TXLB_SEL, 0);
set_cpld_field(TXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _txlo1->set_freq_and_power(freq, ref_freq, is_int_n, 2);
+ freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _txlo1->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq > (800*fMHz)) && (freq <= (1000*fMHz)))
{
@@ -1155,7 +676,8 @@ private:
set_cpld_field(TXLB_SEL, 0);
set_cpld_field(TXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _txlo1->set_freq_and_power(freq, ref_freq, is_int_n, 5);
+ freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _txlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM);
}
else if ((freq > (1000*fMHz)) && (freq <= (2200*fMHz)))
{
@@ -1165,7 +687,8 @@ private:
set_cpld_field(TXLB_SEL, 0);
set_cpld_field(TXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _txlo1->set_freq_and_power(freq, ref_freq, is_int_n, 2);
+ freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _txlo1->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq > (2200*fMHz)) && (freq <= (2500*fMHz)))
{
@@ -1175,7 +698,8 @@ private:
set_cpld_field(TXLB_SEL, 0);
set_cpld_field(TXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _txlo1->set_freq_and_power(freq, ref_freq, is_int_n, 2);
+ freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _txlo1->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq > (2500*fMHz)) && (freq <= (6000*fMHz)))
{
@@ -1185,9 +709,13 @@ private:
set_cpld_field(TXLB_SEL, 0);
set_cpld_field(TXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _txlo1->set_freq_and_power(freq, ref_freq, is_int_n, 5);
+ freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _txlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM);
}
+ _txlo1->commit();
+ if (freq <= (500*fMHz)) _txlo2->commit();
+
_tx_freq = freq_lo1 - freq_lo2;
_txlo1_freq = freq_lo1;
_txlo2_freq = freq_lo2;
@@ -1233,9 +761,11 @@ private:
set_cpld_field(RXHB_SEL, 0);
write_cpld_reg();
// Set LO1 to IF of 2380 MHz (2440 MHz filter center minus 60 MHz offset to minimize LO leakage)
- freq_lo1 = _rxlo1->set_freq_and_power(2380*fMHz, ref_freq, is_int_n, 5);
+ freq_lo1 = _rxlo1->set_frequency(2380*fMHz, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM);
// Set LO2 to IF minus desired frequency
- freq_lo2 = _rxlo2->set_freq_and_power(freq_lo1 - freq, ref_freq, is_int_n, 2);
+ freq_lo2 = _rxlo2->set_frequency(freq_lo1 - freq, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo2->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq >= 100*fMHz) && (freq < 500*fMHz))
{
@@ -1248,9 +778,11 @@ private:
set_cpld_field(RXHB_SEL, 0);
write_cpld_reg();
// Set LO1 to IF of 2440 (center of filter)
- freq_lo1 = _rxlo1->set_freq_and_power(2440*fMHz, ref_freq, is_int_n, 5);
+ freq_lo1 = _rxlo1->set_frequency(2440*fMHz, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM);
// Set LO2 to IF minus desired frequency
- freq_lo2 = _rxlo2->set_freq_and_power(freq_lo1 - freq, ref_freq, is_int_n, 2);
+ freq_lo2 = _rxlo2->set_frequency(freq_lo1 - freq, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq >= 500*fMHz) && (freq < 800*fMHz))
{
@@ -1262,7 +794,8 @@ private:
set_cpld_field(RXLB_SEL, 0);
set_cpld_field(RXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _rxlo1->set_freq_and_power(freq, ref_freq, is_int_n, 2);
+ freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq >= 800*fMHz) && (freq < 1000*fMHz))
{
@@ -1274,7 +807,8 @@ private:
set_cpld_field(RXLB_SEL, 0);
set_cpld_field(RXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _rxlo1->set_freq_and_power(freq, ref_freq, is_int_n, 5);
+ freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM);
}
else if ((freq >= 1000*fMHz) && (freq < 1500*fMHz))
{
@@ -1286,7 +820,8 @@ private:
set_cpld_field(RXLB_SEL, 0);
set_cpld_field(RXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _rxlo1->set_freq_and_power(freq, ref_freq, is_int_n, 2);
+ freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq >= 1500*fMHz) && (freq < 2200*fMHz))
{
@@ -1298,7 +833,8 @@ private:
set_cpld_field(RXLB_SEL, 0);
set_cpld_field(RXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _rxlo1->set_freq_and_power(freq, ref_freq, is_int_n, 2);
+ freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq >= 2200*fMHz) && (freq < 2500*fMHz))
{
@@ -1310,7 +846,8 @@ private:
set_cpld_field(RXLB_SEL, 0);
set_cpld_field(RXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _rxlo1->set_freq_and_power(freq, ref_freq, is_int_n, 2);
+ freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_2DBM);
}
else if ((freq >= 2500*fMHz) && (freq <= 6000*fMHz))
{
@@ -1322,9 +859,13 @@ private:
set_cpld_field(RXLB_SEL, 0);
set_cpld_field(RXHB_SEL, 1);
write_cpld_reg();
- freq_lo1 = _rxlo1->set_freq_and_power(freq, ref_freq, is_int_n, 5);
+ freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _target_pfd_freq, is_int_n);
+ _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM);
}
+ _rxlo1->commit();
+ if (freq < (500*fMHz)) _rxlo2->commit();
+
freq = freq_lo1 - freq_lo2;
UHD_LOGV(rarely) << boost::format("UBX RX: the actual frequency is %f MHz") % (freq/1e6) << std::endl;
@@ -1394,10 +935,11 @@ private:
dboard_iface::sptr _iface;
boost::mutex _spi_lock;
ubx_cpld_reg_t _cpld_reg;
- boost::shared_ptr<max287x_synthesizer_iface> _txlo1;
- boost::shared_ptr<max287x_synthesizer_iface> _txlo2;
- boost::shared_ptr<max287x_synthesizer_iface> _rxlo1;
- boost::shared_ptr<max287x_synthesizer_iface> _rxlo2;
+ boost::shared_ptr<max287x_iface> _txlo1;
+ boost::shared_ptr<max287x_iface> _txlo2;
+ boost::shared_ptr<max287x_iface> _rxlo1;
+ boost::shared_ptr<max287x_iface> _rxlo2;
+ double _target_pfd_freq;
double _tx_gain;
double _rx_gain;
double _tx_freq;
@@ -1431,8 +973,8 @@ static dboard_base::sptr make_ubx(dboard_base::ctor_args_t args)
UHD_STATIC_BLOCK(reg_ubx_dboards)
{
- dboard_manager::register_dboard(0x0074, 0x0073, &make_ubx, "UBX v0.3");
- dboard_manager::register_dboard(0x0076, 0x0075, &make_ubx, "UBX v0.4");
- dboard_manager::register_dboard(0x0078, 0x0077, &make_ubx, "UBX-40 v1");
- dboard_manager::register_dboard(0x007a, 0x0079, &make_ubx, "UBX-160 v1");
+ dboard_manager::register_dboard(UBX_PROTO_V3_RX_ID, UBX_PROTO_V3_TX_ID, &make_ubx, "UBX v0.3");
+ dboard_manager::register_dboard(UBX_PROTO_V4_RX_ID, UBX_PROTO_V4_TX_ID, &make_ubx, "UBX v0.4");
+ dboard_manager::register_dboard(UBX_V1_40MHZ_RX_ID, UBX_V1_40MHZ_TX_ID, &make_ubx, "UBX-40 v1");
+ dboard_manager::register_dboard(UBX_V1_160MHZ_RX_ID, UBX_V1_160MHZ_TX_ID, &make_ubx, "UBX-160 v1");
}