portapack-mayhem/firmware/common/sonde_packet.hpp

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/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
*
* 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 __SONDE_PACKET_H__
#define __SONDE_PACKET_H__
#include <cstdint>
#include <cstddef>
#include "field_reader.hpp"
#include "baseband_packet.hpp"
#include "manchester.hpp"
namespace sonde {
static uint8_t calibytes[51*16]; //need these vars to survive
static uint8_t calfrchk[51]; //so subframes are preserved while populated
struct GPS_data {
uint32_t alt { 0 };
float lat { 0 };
float lon { 0 };
};
struct temp_humid {
float temp { 0 };
float humid { 0 };
};
class Packet {
public:
enum class Type : uint32_t {
Unknown = 0,
Meteomodem_unknown = 1,
Meteomodem_M10 = 2,
Meteomodem_M2K2 = 3,
Vaisala_RS41_SG = 4,
};
Packet(const baseband::Packet& packet, const Type type);
size_t length() const;
Timestamp received_at() const;
Type type() const;
std::string type_string() const;
std::string serial_number() const;
uint32_t battery_voltage() const;
GPS_data get_GPS_data() const;
uint32_t frame() const;
temp_humid get_temp_humid() const;
FormattedSymbols symbols_formatted() const;
bool crc_ok() const;
private:
static constexpr uint8_t vaisala_mask[64] = {
0x96, 0x83, 0x3E, 0x51, 0xB1, 0x49, 0x08, 0x98,
0x32, 0x05, 0x59, 0x0E, 0xF9, 0x44, 0xC6, 0x26,
0x21, 0x60, 0xC2, 0xEA, 0x79, 0x5D, 0x6D, 0xA1,
0x54, 0x69, 0x47, 0x0C, 0xDC, 0xE8, 0x5C, 0xF1,
0xF7, 0x76, 0x82, 0x7F, 0x07, 0x99, 0xA2, 0x2C,
0x93, 0x7C, 0x30, 0x63, 0xF5, 0x10, 0x2E, 0x61,
0xD0, 0xBC, 0xB4, 0xB6, 0x06, 0xAA, 0xF4, 0x23,
0x78, 0x6E, 0x3B, 0xAE, 0xBF, 0x7B, 0x4C, 0xC1
};
GPS_data ecef_to_gps() const;
uint8_t vaisala_descramble(uint32_t pos) const;
const baseband::Packet packet_;
const BiphaseMDecoder decoder_;
const FieldReader<BiphaseMDecoder, BitRemapNone> reader_bi_m;
Type type_;
using packetReader = FieldReader<baseband::Packet, BitRemapByteReverse>; //baseband::Packet instead of BiphaseMDecoder
bool crc_ok_M10() const;
bool crc_ok_RS41() const;
bool crc16rs41(uint32_t field_start) const;
};
} /* namespace sonde */
#endif/*__SONDE_PACKET_H__*/