/* * Copyright (C) 2023 Great Scott Gadgets * * This file is part of PortaPack. * * 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 2, 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; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #ifndef __MAX283X_H__ #define __MAX283X_H__ #include #include "rf_path.hpp" namespace max283x { /*************************************************************************/ namespace lo { constexpr std::array band{{ {2300000000, 2400000000}, {2400000000, 2500000000}, {2500000000, 2600000000}, {2600000000, 2700000000}, }}; } /* namespace lo */ /*************************************************************************/ namespace lna { constexpr range_t gain_db_range{0, 40}; constexpr int8_t gain_db_step = 8; constexpr std::array band{{ {2300000000, 2500000000}, {2500000000, 2700000000}, }}; } /* namespace lna */ /*************************************************************************/ namespace vga { constexpr range_t gain_db_range{0, 62}; constexpr int8_t gain_db_step = 2; } /* namespace vga */ /*************************************************************************/ namespace tx { constexpr range_t gain_db_range{0, 47}; constexpr int8_t gain_db_step = 1; } // namespace tx /*************************************************************************/ namespace filter { constexpr std::array bandwidths{ /* Assumption: these values are in ascending order */ 1750000, 2500000, /* Some documentation says 2.25MHz */ 3500000, 5000000, 5500000, 6000000, 7000000, 8000000, 9000000, 10000000, 12000000, 14000000, 15000000, 20000000, 24000000, 28000000, }; constexpr auto bandwidth_minimum = bandwidths[0]; constexpr auto bandwidth_maximum = bandwidths[bandwidths.size() - 1]; } /* namespace filter */ /*************************************************************************/ enum Mode { Shutdown, Standby, Receive, Transmit, }; using reg_t = uint16_t; using address_t = uint8_t; class MAX283x { public: virtual ~MAX283x() = default; virtual void init(); virtual void set_mode(const Mode mode); virtual void set_tx_vga_gain(const int_fast8_t db); virtual void set_lna_gain(const int_fast8_t db); virtual void set_vga_gain(const int_fast8_t db); virtual void set_lpf_rf_bandwidth_rx(const uint32_t bandwidth_minimum); virtual void set_lpf_rf_bandwidth_tx(const uint32_t bandwidth_minimum); virtual bool set_frequency(const rf::Frequency lo_frequency); virtual void set_rx_lo_iq_calibration(const size_t v); virtual void set_rx_buff_vcm(const size_t v); virtual reg_t temp_sense(); virtual reg_t read(const address_t reg_num); }; } // namespace max283x #endif /*__MAX283X_H__*/