portapack-mayhem/firmware/application/app_tpms.hpp
2015-12-01 21:30:52 -08:00

138 lines
3.6 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_TPMS_H__
#define __APP_TPMS_H__
#include "receiver_model.hpp"
#include "ui_console.hpp"
#include "message.hpp"
#include "manchester.hpp"
#include "ff.h"
#include <hal.h>
// #include "lpc43xx_cpp.hpp"
// using namespace lpc43xx;
// TODO: SERIOUSLY!? Including this, just to use to_string_hex?! Refactor!!!1
#include "ui_widget.hpp"
class TPMSModel {
public:
TPMSModel() {
receiver_model.set_baseband_configuration({
.mode = 5,
.sampling_rate = 2457600,
.decimation_factor = 4,
});
receiver_model.set_baseband_bandwidth(1750000);
open_file();
}
~TPMSModel() {
f_close(&fil);
}
ManchesterFormatted on_packet(const TPMSPacketMessage& message) {
const ManchesterDecoder decoder(message.packet.payload, message.packet.bits_received, 1);
const auto hex_formatted = format_manchester(decoder);
if( !f_error(&fil) ) {
rtc::RTC datetime;
rtcGetTime(&RTCD1, &datetime);
std::string timestamp =
ui::to_string_dec_uint(datetime.year(), 4) +
ui::to_string_dec_uint(datetime.month(), 2, '0') +
ui::to_string_dec_uint(datetime.day(), 2, '0') +
ui::to_string_dec_uint(datetime.hour(), 2, '0') +
ui::to_string_dec_uint(datetime.minute(), 2, '0') +
ui::to_string_dec_uint(datetime.second(), 2, '0');
const auto tuning_frequency = receiver_model.tuning_frequency();
// TODO: function doesn't take uint64_t, so when >= 1<<32, weirdness will ensue!
const auto tuning_frequency_str = ui::to_string_dec_uint(tuning_frequency, 10);
std::string log = timestamp + " " + tuning_frequency_str + " FSK 38.4 19.2 " + hex_formatted.data + "/" + hex_formatted.errors + "\r\n";
f_puts(log.c_str(), &fil);
f_sync(&fil);
}
return hex_formatted;
}
private:
FIL fil;
void open_file() {
const auto open_result = f_open(&fil, "tpms.txt", FA_WRITE | FA_OPEN_ALWAYS);
if( open_result == FR_OK ) {
const auto fil_size = f_size(&fil);
const auto seek_result = f_lseek(&fil, fil_size);
if( seek_result != FR_OK ) {
f_close(&fil);
// TODO: Error, indicate somehow.
} else {
// TODO: Indicate success.
}
} else {
// TODO: Error, indicate somehow.
}
}
};
namespace ui {
class TPMSView : public Console {
public:
void on_show() override {
Console::on_show();
auto& message_map = context().message_map();
message_map.register_handler(Message::ID::TPMSPacket,
[this](Message* const p) {
const auto message = static_cast<const TPMSPacketMessage*>(p);
this->log(this->model.on_packet(*message));
}
);
}
void on_hide() override {
auto& message_map = context().message_map();
message_map.unregister_handler(Message::ID::TPMSPacket);
Console::on_hide();
}
private:
TPMSModel model;
void log(const ManchesterFormatted& formatted) {
writeln(formatted.data.substr(0, 240 / 8));
}
};
} /* namespace ui */
#endif/*__APP_TPMS_H__*/