mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-14 12:08:40 +00:00
138 lines
3.2 KiB
C++
138 lines
3.2 KiB
C++
/*
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* Copyright (C) 2023 Great Scott Gadgets
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __MAX283X_H__
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#define __MAX283X_H__
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#include "rf_path.hpp"
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namespace max283x {
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/*************************************************************************/
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namespace lo {
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constexpr std::array<rf::FrequencyRange, 4> band { {
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{ 2300000000, 2400000000 },
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{ 2400000000, 2500000000 },
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{ 2500000000, 2600000000 },
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{ 2600000000, 2700000000 },
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} };
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} /* namespace lo */
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/*************************************************************************/
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namespace lna {
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constexpr range_t<int8_t> gain_db_range { 0, 40 };
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constexpr int8_t gain_db_step = 8;
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constexpr std::array<rf::FrequencyRange, 2> band { {
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{ 2300000000, 2500000000 },
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{ 2500000000, 2700000000 },
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} };
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} /* namespace lna */
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/*************************************************************************/
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namespace vga {
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constexpr range_t<int8_t> gain_db_range { 0, 62 };
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constexpr int8_t gain_db_step = 2;
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} /* namespace vga */
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/*************************************************************************/
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namespace tx {
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constexpr range_t<int8_t> gain_db_range { 0, 47 };
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constexpr int8_t gain_db_step = 1;
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}
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/*************************************************************************/
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namespace filter {
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constexpr std::array<uint32_t, 16> bandwidths {
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/* Assumption: these values are in ascending order */
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1750000,
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2500000, /* Some documentation says 2.25MHz */
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3500000,
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5000000,
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5500000,
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6000000,
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7000000,
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8000000,
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9000000,
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10000000,
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12000000,
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14000000,
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15000000,
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20000000,
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24000000,
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28000000,
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};
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constexpr auto bandwidth_minimum = bandwidths[0];
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constexpr auto bandwidth_maximum = bandwidths[bandwidths.size() - 1];
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} /* namespace filter */
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/*************************************************************************/
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enum Mode {
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Shutdown,
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Standby,
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Receive,
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Transmit,
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};
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using reg_t = uint16_t;
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using address_t = uint8_t;
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class MAX283x {
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public:
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virtual ~MAX283x() = default;
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virtual void init();
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virtual void set_mode(const Mode mode);
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virtual void set_tx_vga_gain(const int_fast8_t db);
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virtual void set_lna_gain(const int_fast8_t db);
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virtual void set_vga_gain(const int_fast8_t db);
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virtual void set_lpf_rf_bandwidth(const uint32_t bandwidth_minimum);
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virtual bool set_frequency(const rf::Frequency lo_frequency);
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virtual void set_rx_lo_iq_calibration(const size_t v);
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virtual void set_rx_buff_vcm(const size_t v);
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virtual reg_t temp_sense();
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virtual reg_t read(const address_t reg_num);
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};
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}
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#endif/*__MAX283X_H__*/ |