diff options
Diffstat (limited to 'host/lib')
| -rw-r--r-- | host/lib/usrp/common/max287x.hpp | 799 | ||||
| -rw-r--r-- | host/lib/usrp/dboard/db_cbx.cpp | 194 | ||||
| -rw-r--r-- | host/lib/usrp/dboard/db_sbx_common.hpp | 7 | ||||
| -rw-r--r-- | host/lib/usrp/dboard/db_ubx.cpp | 632 |
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> ®s) +{ + 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> ®s); + 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"); } |