mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
173 lines
4.7 KiB
C++
173 lines
4.7 KiB
C++
/*
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* Copyright (C) 2015 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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#include "portapack_persistent_memory.hpp"
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#include "hal.h"
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#include <algorithm>
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#include <utility>
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namespace portapack {
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namespace persistent_memory {
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/* TODO: This is widely applicable. Factor this to somewhere useful. */
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template<class T>
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struct range_t {
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const T minimum;
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const T maximum;
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const T& clip(const T& value) const {
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return std::max(std::min(value, maximum), minimum);
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}
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void reset_if_outside(T& value, const T& reset_value) const {
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if( (value < minimum ) ||
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(value > maximum ) ) {
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value = reset_value;
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}
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}
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};
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using tuned_frequency_range_t = range_t<rf::Frequency>;
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constexpr tuned_frequency_range_t tuned_frequency_range { rf::tuning_range.min, rf::tuning_range.max };
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constexpr rf::Frequency tuned_frequency_reset_value { 858750000 };
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using ppb_range_t = range_t<ppb_t>;
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constexpr ppb_range_t ppb_range { -99000, 99000 };
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constexpr ppb_t ppb_reset_value { 0 };
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using afsk_freq_range_t = range_t<int32_t>;
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constexpr afsk_freq_range_t afsk_freq_range { 1, 60 };
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constexpr int32_t afsk_mark_reset_value { 12 };
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constexpr int32_t afsk_space_reset_value { 22 };
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using afsk_bitrate_range_t = range_t<int32_t>;
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constexpr afsk_bitrate_range_t afsk_bitrate_range { 600, 9600 };
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constexpr int32_t afsk_bitrate_reset_value { 1200 };
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using afsk_bw_range_t = range_t<int32_t>;
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constexpr afsk_bw_range_t afsk_bw_range { 1, 40 };
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constexpr int32_t afsk_bw_reset_value { 15 };
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/* struct must pack the same way on M4 and M0 cores. */
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struct data_t {
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// General config
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int64_t tuned_frequency;
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int32_t correction_ppb;
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// AFSK modem
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int32_t afsk_mark_freq;
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int32_t afsk_space_freq; // Todo: optimize size, only 256 bytes of NVRAM !
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int32_t afsk_bitrate;
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int32_t afsk_bw;
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uint32_t afsk_config;
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// Play dead unlock
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uint32_t playing_dead;
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uint32_t playdead_sequence;
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};
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static_assert(sizeof(data_t) <= 0x100, "Persistent memory structure too large for VBAT-maintained region");
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static data_t* const data = reinterpret_cast<data_t*>(LPC_BACKUP_REG_BASE);
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rf::Frequency tuned_frequency() {
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tuned_frequency_range.reset_if_outside(data->tuned_frequency, tuned_frequency_reset_value);
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return data->tuned_frequency;
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}
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void set_tuned_frequency(const rf::Frequency new_value) {
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data->tuned_frequency = tuned_frequency_range.clip(new_value);
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}
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ppb_t correction_ppb() {
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ppb_range.reset_if_outside(data->correction_ppb, ppb_reset_value);
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return data->correction_ppb;
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}
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void set_correction_ppb(const ppb_t new_value) {
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data->correction_ppb = ppb_range.clip(new_value);
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}
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int32_t afsk_mark_freq() {
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afsk_freq_range.reset_if_outside(data->afsk_mark_freq, afsk_mark_reset_value);
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return data->afsk_mark_freq;
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}
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void set_afsk_mark(const int32_t new_value) {
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data->afsk_mark_freq = afsk_freq_range.clip(new_value);
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}
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int32_t afsk_space_freq() {
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afsk_freq_range.reset_if_outside(data->afsk_space_freq, afsk_space_reset_value);
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return data->afsk_space_freq;
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}
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void set_afsk_space(const int32_t new_value) {
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data->afsk_space_freq = afsk_freq_range.clip(new_value);
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}
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int32_t afsk_bitrate() {
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afsk_bitrate_range.reset_if_outside(data->afsk_bitrate, afsk_bitrate_reset_value);
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return data->afsk_bitrate;
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}
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void set_afsk_bitrate(const int32_t new_value) {
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data->afsk_bitrate = afsk_bitrate_range.clip(new_value);
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}
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int32_t afsk_bw() {
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afsk_bw_range.reset_if_outside(data->afsk_bw, afsk_bw_reset_value);
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return data->afsk_bw;
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}
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void set_afsk_bw(const int32_t new_value) {
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data->afsk_bw = afsk_bw_range.clip(new_value);
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}
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uint32_t afsk_config() {
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return data->afsk_config;
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}
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void set_afsk_config(const uint32_t new_value) {
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data->afsk_config = new_value;
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}
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uint32_t playing_dead() {
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return data->playing_dead;
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}
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void set_playing_dead(const uint32_t new_value) {
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data->playing_dead = new_value;
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}
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uint32_t playdead_sequence() {
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return data->playdead_sequence;
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}
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void set_playdead_sequence(const uint32_t new_value) {
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data->playdead_sequence = new_value;
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}
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} /* namespace persistent_memory */
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} /* namespace portapack */
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