diff options
Diffstat (limited to 'host/lib/usrp/dboard/db_ubx.cpp')
-rw-r--r-- | host/lib/usrp/dboard/db_ubx.cpp | 79 |
1 files changed, 54 insertions, 25 deletions
diff --git a/host/lib/usrp/dboard/db_ubx.cpp b/host/lib/usrp/dboard/db_ubx.cpp index 7cb4b2d6b..db9f21f43 100644 --- a/host/lib/usrp/dboard/db_ubx.cpp +++ b/host/lib/usrp/dboard/db_ubx.cpp @@ -26,6 +26,7 @@ #include <uhd/usrp/dboard_manager.hpp> #include <uhd/utils/assert_has.hpp> #include <uhd/utils/log.hpp> +#include <uhd/utils/msg.hpp> #include <uhd/utils/static.hpp> #include <boost/assign/list_of.hpp> #include <boost/shared_ptr.hpp> @@ -318,14 +319,14 @@ public: write_gpio(); // Configure ATR - _iface->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE, _tx_gpio_reg.atr_idle); - _iface->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, _tx_gpio_reg.atr_tx); - _iface->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, _tx_gpio_reg.atr_rx); - _iface->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, _tx_gpio_reg.atr_full_duplex); - _iface->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE, _rx_gpio_reg.atr_idle); - _iface->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY, _rx_gpio_reg.atr_tx); - _iface->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY, _rx_gpio_reg.atr_rx); - _iface->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, _rx_gpio_reg.atr_full_duplex); + _iface->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_IDLE, _tx_gpio_reg.atr_idle); + _iface->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_TX_ONLY, _tx_gpio_reg.atr_tx); + _iface->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_RX_ONLY, _tx_gpio_reg.atr_rx); + _iface->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_FULL_DUPLEX, _tx_gpio_reg.atr_full_duplex); + _iface->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_IDLE, _rx_gpio_reg.atr_idle); + _iface->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_TX_ONLY, _rx_gpio_reg.atr_tx); + _iface->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_RX_ONLY, _rx_gpio_reg.atr_rx); + _iface->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_FULL_DUPLEX, _rx_gpio_reg.atr_full_duplex); // Engage ATR control (1 is ATR control, 0 is manual control) _iface->set_pin_ctrl(dboard_iface::UNIT_TX, _tx_gpio_reg.atr_mask); @@ -683,6 +684,20 @@ private: device_addr_t tune_args = subtree->access<device_addr_t>("tune_args").get(); is_int_n = boost::iequals(tune_args.get("mode_n",""), "integer"); UHD_LOGV(rarely) << boost::format("UBX TX: the requested frequency is %f MHz") % (freq/1e6) << std::endl; + double target_pfd_freq = _tx_target_pfd_freq; + if (is_int_n and tune_args.has_key("int_n_step")) + { + target_pfd_freq = tune_args.cast<double>("int_n_step", _tx_target_pfd_freq); + if (target_pfd_freq > _tx_target_pfd_freq) + { + UHD_MSG(warning) + << boost::format("Requested int_n_step of %f MHz too large, clipping to %f MHz") + % (target_pfd_freq/1e6) + % (_tx_target_pfd_freq/1e6) + << std::endl; + target_pfd_freq = _tx_target_pfd_freq; + } + } // Clip the frequency to the valid range freq = ubx_freq_range.clip(freq); @@ -704,10 +719,10 @@ private: set_cpld_field(TXLB_SEL, 1); set_cpld_field(TXHB_SEL, 0); // Set LO1 to IF of 2100 MHz (offset from RX IF to reduce leakage) - freq_lo1 = _txlo1->set_frequency(2100*fMHz, ref_freq, _tx_target_pfd_freq, is_int_n); + 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_frequency(freq_lo1 - freq, ref_freq, _tx_target_pfd_freq, is_int_n); + 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))) @@ -717,7 +732,7 @@ private: set_cpld_field(TXLO1_FSEL1, 1); set_cpld_field(TXLB_SEL, 0); set_cpld_field(TXHB_SEL, 1); - freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _tx_target_pfd_freq, is_int_n); + 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))) @@ -727,7 +742,7 @@ private: set_cpld_field(TXLO1_FSEL1, 1); set_cpld_field(TXLB_SEL, 0); set_cpld_field(TXHB_SEL, 1); - freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _tx_target_pfd_freq, is_int_n); + 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))) @@ -737,7 +752,7 @@ private: set_cpld_field(TXLO1_FSEL1, 0); set_cpld_field(TXLB_SEL, 0); set_cpld_field(TXHB_SEL, 1); - freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _tx_target_pfd_freq, is_int_n); + 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))) @@ -747,7 +762,7 @@ private: set_cpld_field(TXLO1_FSEL1, 0); set_cpld_field(TXLB_SEL, 0); set_cpld_field(TXHB_SEL, 1); - freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _tx_target_pfd_freq, is_int_n); + 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))) @@ -757,7 +772,7 @@ private: set_cpld_field(TXLO1_FSEL1, 0); set_cpld_field(TXLB_SEL, 0); set_cpld_field(TXHB_SEL, 1); - freq_lo1 = _txlo1->set_frequency(freq, ref_freq, _tx_target_pfd_freq, is_int_n); + freq_lo1 = _txlo1->set_frequency(freq, ref_freq, target_pfd_freq, is_int_n); _txlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM); } @@ -825,6 +840,20 @@ private: property_tree::sptr subtree = this->get_rx_subtree(); device_addr_t tune_args = subtree->access<device_addr_t>("tune_args").get(); is_int_n = boost::iequals(tune_args.get("mode_n",""), "integer"); + double target_pfd_freq = _rx_target_pfd_freq; + if (is_int_n and tune_args.has_key("int_n_step")) + { + target_pfd_freq = tune_args.cast<double>("int_n_step", _rx_target_pfd_freq); + if (target_pfd_freq > _rx_target_pfd_freq) + { + UHD_MSG(warning) + << boost::format("Requested int_n_step of %f Mhz too large, clipping to %f MHz") + % (target_pfd_freq/1e6) + % (_rx_target_pfd_freq/1e6) + << std::endl; + target_pfd_freq = _rx_target_pfd_freq; + } + } // Clip the frequency to the valid range freq = ubx_freq_range.clip(freq); @@ -848,10 +877,10 @@ private: set_cpld_field(RXLB_SEL, 1); set_cpld_field(RXHB_SEL, 0); // Set LO1 to IF of 2380 MHz (2440 MHz filter center minus 60 MHz offset to minimize LO leakage) - freq_lo1 = _rxlo1->set_frequency(2380*fMHz, ref_freq, _rx_target_pfd_freq, is_int_n); + 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_frequency(freq_lo1 - freq, ref_freq, _rx_target_pfd_freq, is_int_n); + 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)) @@ -864,10 +893,10 @@ private: set_cpld_field(RXLB_SEL, 1); set_cpld_field(RXHB_SEL, 0); // Set LO1 to IF of 2440 (center of filter) - freq_lo1 = _rxlo1->set_frequency(2440*fMHz, ref_freq, _rx_target_pfd_freq, is_int_n); + 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_frequency(freq_lo1 - freq, ref_freq, _rx_target_pfd_freq, is_int_n); + 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)) @@ -879,7 +908,7 @@ private: set_cpld_field(RXLO1_FSEL1, 1); set_cpld_field(RXLB_SEL, 0); set_cpld_field(RXHB_SEL, 1); - freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _rx_target_pfd_freq, is_int_n); + 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)) @@ -891,7 +920,7 @@ private: set_cpld_field(RXLO1_FSEL1, 1); set_cpld_field(RXLB_SEL, 0); set_cpld_field(RXHB_SEL, 1); - freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _rx_target_pfd_freq, is_int_n); + 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)) @@ -903,7 +932,7 @@ private: set_cpld_field(RXLO1_FSEL1, 0); set_cpld_field(RXLB_SEL, 0); set_cpld_field(RXHB_SEL, 1); - freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _rx_target_pfd_freq, is_int_n); + 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)) @@ -915,7 +944,7 @@ private: set_cpld_field(RXLO1_FSEL1, 0); set_cpld_field(RXLB_SEL, 0); set_cpld_field(RXHB_SEL, 1); - freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _rx_target_pfd_freq, is_int_n); + 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)) @@ -927,7 +956,7 @@ private: set_cpld_field(RXLO1_FSEL1, 0); set_cpld_field(RXLB_SEL, 0); set_cpld_field(RXHB_SEL, 1); - freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _rx_target_pfd_freq, is_int_n); + 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)) @@ -939,7 +968,7 @@ private: set_cpld_field(RXLO1_FSEL1, 0); set_cpld_field(RXLB_SEL, 0); set_cpld_field(RXHB_SEL, 1); - freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, _rx_target_pfd_freq, is_int_n); + freq_lo1 = _rxlo1->set_frequency(freq, ref_freq, target_pfd_freq, is_int_n); _rxlo1->set_output_power(max287x_iface::OUTPUT_POWER_5DBM); } |