mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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105 lines
2.1 KiB
C++
105 lines
2.1 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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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 __RF_PATH_H__
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#define __RF_PATH_H__
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#include <cstdint>
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namespace rf {
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using Frequency = int64_t;
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struct FrequencyRange {
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Frequency min;
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Frequency max;
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/* TODO: static_assert low < high? */
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bool below_range(const Frequency f) const {
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return f < min;
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}
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bool contains(const Frequency f) const {
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return (f >= min) && (f < max);
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}
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bool out_of_range(const Frequency f) const {
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return !contains(f);
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}
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};
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enum class Direction {
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/* Zero-based, used as index into table */
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Receive = 0,
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Transmit = 1,
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};
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namespace path {
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constexpr FrequencyRange band_low {
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.min = 0,
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.max = 2150000000,
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};
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constexpr FrequencyRange band_high {
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.min = 2750000000,
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.max = 7250000000,
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};
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constexpr FrequencyRange band_mid {
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.min = band_low.max,
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.max = band_high.min,
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};
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enum class Band {
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/* Zero-based, used as index into frequency_bands table */
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Low = 0,
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Mid = 1,
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High = 2,
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};
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class Path {
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public:
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void init();
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void set_direction(const Direction direction);
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void set_band(const Band band);
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void set_rf_amp(const bool rf_amp);
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private:
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Direction direction { Direction::Receive };
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Band band { Band::Mid };
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bool rf_amp { false };
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void update();
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};
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} /* path */
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constexpr FrequencyRange tuning_range {
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.min = path::band_low.min,
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.max = path::band_high.max,
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};
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} /* rf */
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#endif/*__RF_PATH_H__*/
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