portapack-mayhem/firmware/application/app_ert.hpp
Jared Boone b9ea7fa786 ERT CRC checking for SCM packets.
IDM coming as soon as I can address packet truncation...
2015-12-07 12:27:09 -08:00

119 lines
2.4 KiB
C++

/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
*
* 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 __APP_ERT_H__
#define __APP_ERT_H__
#include "ui_console.hpp"
#include "message.hpp"
#include "log_file.hpp"
#include "manchester.hpp"
#include "field_reader.hpp"
#include "lpc43xx_cpp.hpp"
using namespace lpc43xx;
#include <cstddef>
#include <string>
#include <bitset>
namespace ert {
struct BitRemap {
size_t operator()(const size_t bit_index) const {
return bit_index;
}
};
using ID = uint32_t;
using Consumption = uint32_t;
class Packet {
public:
Packet(
const rtc::RTC& received_at,
const ERTPacket::Type type,
const std::bitset<1024>& payload,
const size_t payload_length
) : payload_ { payload },
payload_length_ { payload_length },
received_at_ { received_at },
decoder_ { payload_, payload_length_ },
reader_ { decoder_ },
type_ { type }
{
}
size_t length() const;
bool is_valid() const;
rtc::RTC received_at() const;
ERTPacket::Type type() const;
ID id() const;
Consumption consumption() const;
bool crc_ok() const;
private:
using Reader = FieldReader<ManchesterDecoder, BitRemap>;
const std::bitset<1024> payload_;
const size_t payload_length_;
const rtc::RTC received_at_;
const ManchesterDecoder decoder_;
const Reader reader_;
const ERTPacket::Type type_;
const ID invalid_id = 0;
const Consumption invalid_consumption = 0;
};
} /* namespace ert */
class ERTModel {
public:
ERTModel();
bool on_packet(const ert::Packet& packet);
private:
LogFile log_file;
};
namespace ui {
class ERTView : public Console {
public:
void on_show() override;
void on_hide() override;
private:
ERTModel model;
void on_packet(const ert::Packet& packet);
};
} /* namespace ui */
#endif/*__APP_ERT_H__*/