// // Copyright 2018 Ettus Research, a National Instruments Company // // SPDX-License-Identifier: GPL-3.0-or-later // #include "e3xx_constants.hpp" #include "e3xx_radio_ctrl_impl.hpp" #include /* * E320 frequency bands: * * For RX: * Band Freq BSEL-210 BSEL-543 TX/RX RX2 * SEL_10 | FE_SEL_210 SEL_10 * chan 1 | chan 2 * ------------------------------------------------------------------------- * LB_B2: < 450 RF5 100 RF6 101 01 RF3 100 RF1 001 10 * LB_B3: 450-700 RF6 101 RF5 100 01 RF3 100 RF1 001 10 * LB_B4: 700-1200 RF3 010 RF4 011 01 RF3 100 RF1 001 10 * LB_B5: 1200-1800 RF4 011 RF3 010 01 RF3 100 RF1 001 10 * LB_B6: 1800-2350 RF1 000 RF2 001 01 RF3 100 RF1 001 10 * LB_B7: 2350-2600 RF2 001 RF1 000 01 RF3 100 RF1 001 10 * HB: 2600+ --- 111 --- 111 10 RF3 100 RF1 001 01 * * SEL_1 SEL_0 * 1 0 ANT1(RX_HB)--TX/RX, ANT2(RX_LB)--RX * 0 1 ANT1(RX_HB)--RX, ANT2(RX_LB)--TX/RX * * For TX: * Band-Freq BSEL-210 BSEL-543 TX/RX * FE_SEL_210 * chan 1 | chan 2 * ------------------------------------------------------------ * LB_80 < 117.7 RF7 011 RF8 111 RF1 001 RF3 100 * LB_160 117.7-178.2 RF8 111 RF7 011 RF1 001 RF3 100 * LB_225 178.2-284.3 RF5 001 RF6 101 RF1 001 RF3 100 * LB_400 284.3-453.7 RF6 101 RF5 001 RF1 001 RF3 100 * LB_575 453.7-723.8 RF3 010 RF4 110 RF1 001 RF3 100 * LB_1000 723.8-1154.9 RF4 110 RF3 010 RF1 001 RF3 100 * LB_1700 1154.9-1842.6 RF1 000 RF2 100 RF1 001 RF3 100 * LB_2750 1842.6-2940.0 RF2 100 RF1 000 RF1 001 RF3 100 * HB_5850 > 2940.0 --- --- --- --- RF2 010 RF2 010 * */ /* * E31x frequency bands: * * For RX: * Band Freq RX_BSEL-210 RXC_BSEL-10 RXB_BSEL-10 RX2 TX/RX * VCRX_V1_V2 VCTXRX_V1_V2 * chan 1 | chan 2 * --------------------------------------------------------------------------------- * LB_B2: < 450 RF5 100 J2 10 -- 00 01 J2 10 J1 01 * LB_B3: 450-700 RF3 010 J3 11 -- 00 01 J2 10 J1 01 * LB_B4: 700-1200 RF1 000 J1 01 -- 00 01 J2 10 J1 01 * LB_B5: 1200-1800 RF2 001 -- 00 J2 10 01 J2 10 J1 01 * LB_B6: 1800-2350 RF4 011 -- 00 J3 11 01 J2 10 J1 01 * LB_B7: 2350-2600 RF6 101 -- 00 J1 01 01 J2 10 J1 01 * HB: 2600+ --- 111 -- 00 -- 00 10 J2 10 J1 01 * * * For TX: * Band-Freq TX_BSEL-210 TX/RX VCTXRX_V1_V2 * chan 1 | chan 2 * ------------------------------------------------------------ * LB_80 < 117.7 RF8 111 J1 01 J2 10 * LB_160 117.7-178.2 RF7 110 J1 01 J2 10 * LB_225 178.2-284.3 RF6 101 J1 01 J2 10 * LB_400 284.3-453.7 RF5 100 J1 01 J2 10 * LB_575 453.7-723.8 RF4 011 J1 01 J2 10 * LB_1000 723.8-1154.9 RF3 010 J1 01 J2 10 * LB_1700 1154.9-1842.6 RF2 001 J1 01 J2 10 * LB_2750 1842.6-2940.0 RF1 000 J1 01 J2 10 * HB_5850 > 2940.0 RF8 111 J3 11 J3 11 * */ using namespace uhd; using namespace uhd::usrp; using namespace uhd::rfnoc; using namespace uhd::math::fp_compare; namespace { /* Note on the RX filter bank: * * The RX path has 7 bands, which we call LB_B2, B3, .. HB same as * the schematic. * * The following constants define lower cutoff frequencies for each band. * LB_B2 does not have a lower cutoff frequency, it is implied by * AD9361_MIN_FREQ. E3XX_RX_BAND1_MIN_FREQ is the cutover frequency * for switching from LB_B2 to LB_B3, and so on. * * Bands 1-6 have both high- and low-pass filters (effectively band * passes). Frequencies need to be chosen to allow as much of the full * bandwidth through unattenuated. */ constexpr double E3XX_RX_LB_BAND3_MIN_FREQ = 450e6; constexpr double E3XX_RX_LB_BAND4_MIN_FREQ = 700e6; constexpr double E3XX_RX_LB_BAND5_MIN_FREQ = 1200e6; constexpr double E3XX_RX_LB_BAND6_MIN_FREQ = 1800e6; constexpr double E3XX_RX_LB_BAND7_MIN_FREQ = 2350e6; constexpr double E3XX_RX_HB_MIN_FREQ = 2600e6; /* Note on the TX filter bank: * * The TX path has 9 bands, which we name according to the schematic. * * The following constants define lower cutoff frequencies for each band. * LB_80 does not have a lower cutoff frequency, it is implied by * AD9361_MIN_FREQ. E3XX_TX_LB_160_MIN_FREQ is the cutover frequency * for switching from LB_80 to LB_160, and so on. * * All filters on the TX filter bank are * low pass filters (no high pass filters). * Frequencies need to be chosen to allow as much of the full bandwidth * through unattenuated (so don't go all the way up to the cutoff frequency * of that filter). */ constexpr double E3XX_TX_LB_160_MIN_FREQ = 117.7e6; constexpr double E3XX_TX_LB_225_MIN_FREQ = 178.2e6; constexpr double E3XX_TX_LB_400_MIN_FREQ = 284.3e6; constexpr double E3XX_TX_LB_575_MIN_FREQ = 453.7e6; constexpr double E3XX_TX_LB_1000_MIN_FREQ = 723.8e6; constexpr double E3XX_TX_LB_1700_MIN_FREQ = 1154.9e6; constexpr double E3XX_TX_LB_2750_MIN_FREQ = 1842.6e6; constexpr double E3XX_TX_HB_MIN_FREQ = 2940.0e6; } // namespace e3xx_radio_ctrl_impl::rx_band e3xx_radio_ctrl_impl::map_freq_to_rx_band(const double freq) { e3xx_radio_ctrl_impl::rx_band band; if (fp_compare_epsilon(freq) < AD9361_RX_MIN_FREQ) { band = rx_band::INVALID_BAND; } else if (fp_compare_epsilon(freq) < E3XX_RX_LB_BAND3_MIN_FREQ) { band = rx_band::LB_B2; } else if (fp_compare_epsilon(freq) < E3XX_RX_LB_BAND4_MIN_FREQ) { band = rx_band::LB_B3; } else if (fp_compare_epsilon(freq) < E3XX_RX_LB_BAND5_MIN_FREQ) { band = rx_band::LB_B4; } else if (fp_compare_epsilon(freq) < E3XX_RX_LB_BAND6_MIN_FREQ) { band = rx_band::LB_B5; } else if (fp_compare_epsilon(freq) < E3XX_RX_LB_BAND7_MIN_FREQ) { band = rx_band::LB_B6; } else if (fp_compare_epsilon(freq) < E3XX_RX_HB_MIN_FREQ) { band = rx_band::LB_B7; } else if (fp_compare_epsilon(freq) <= AD9361_RX_MAX_FREQ) { band = rx_band::HB; } else { band = rx_band::INVALID_BAND; } return band; } e3xx_radio_ctrl_impl::tx_band e3xx_radio_ctrl_impl::map_freq_to_tx_band(const double freq) { e3xx_radio_ctrl_impl::tx_band band; if (fp_compare_epsilon(freq) < AD9361_TX_MIN_FREQ) { band = tx_band::INVALID_BAND; } else if (fp_compare_epsilon(freq) < E3XX_TX_LB_160_MIN_FREQ) { band = tx_band::LB_80; } else if (fp_compare_epsilon(freq) < E3XX_TX_LB_225_MIN_FREQ) { band = tx_band::LB_160; } else if (fp_compare_epsilon(freq) < E3XX_TX_LB_400_MIN_FREQ) { band = tx_band::LB_225; } else if (fp_compare_epsilon(freq) < E3XX_TX_LB_575_MIN_FREQ) { band = tx_band::LB_400; } else if (fp_compare_epsilon(freq) < E3XX_TX_LB_1000_MIN_FREQ) { band = tx_band::LB_575; } else if (fp_compare_epsilon(freq) < E3XX_TX_LB_1700_MIN_FREQ) { band = tx_band::LB_1000; } else if (fp_compare_epsilon(freq) < E3XX_TX_LB_2750_MIN_FREQ) { band = tx_band::LB_1700; } else if (fp_compare_epsilon(freq) < E3XX_TX_HB_MIN_FREQ) { band = tx_band::LB_2750; } else if (fp_compare_epsilon(freq) <= AD9361_TX_MAX_FREQ) { band = tx_band::HB; } else { band = tx_band::INVALID_BAND; } return band; }