janpom

import datetime
import json
import sys

import pynmea2


def gps_deg_to_degmin(deg):
    deg_only = int(deg)
    return '%d%.5f' % (deg_only, (deg - deg_only) * 60)

janpom

/*
    Copyright 2018 Jan Pomikalek <jan.pomikalek@gmail.com>

    This file is part of the DAVEga firmware.

    DAVEga firmware 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 3 of the License, or
    (at your option) any later version.

janpom

// ArduinoISP
// Copyright (c) 2008-2011 Randall Bohn
// If you require a license, see
// http://www.opensource.org/licenses/bsd-license.php
//
// This sketch turns the Arduino into a AVRISP using the following Arduino pins:
//
// Pin 10 is used to reset the target microcontroller.
//
// By default, the hardware SPI pins MISO, MOSI and SCK are used to communicate

janpom

//#define DEV_MODE 1

#include <TFT_22_ILI9225.h>
#include <SoftwareSerial.h>
#include "tft_util.h"

#define TFT_RST 12
#define TFT_RS  9
#define TFT_CS  10  // SS
#define TFT_SDI 11  // MOSI

janpom

#include "datatypes.h"
#include "crc.h"

#define PACKET_LENGTH_IDENTIFICATION_BYTE_SHORT 2
#define PACKET_LENGTH_IDENTIFICATION_BYTE_LONG 3
#define PACKET_TERMINATION_BYTE 3

#define PACKET_PAYLOAD_MAX_LENGTH 512

// Start byte + packet length bytes + payload + 2 bytes (CRC) + termination byte