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GNU GENERAL PUBLIC LICENSE
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ttgo-tbeam-ttnmapper # TTN MAPPER-TRACKER
### Based on the code from [xoseperez/ttgo-beam-tracker](https://github.com/xoseperez/ttgo-beam-tracker), with excerpts from [dermatthias/Lora-TTNMapper-T-Beam](https://github.com/dermatthias/Lora-TTNMapper-T-Beam) to fix an issue with incorrect GPS data being transmitted to The Things Network. I aslo added support for the US 915 MHz frequency, which is now enabled by default but can easily be changed.
This is a LoRaWAN node based on the [TTGO T-Beam](https://github.com/LilyGO/TTGO-T-Beam) development platform.
It uses a RFM95 by HopeRF and the MCCI LoRaWAN LMIC stack.
The sample code is configured to connect to The Things Network using EU frequency, but you can easily change that.
Arduino Library Dependencies:
[mcci-catena/arduino-lmic](https://github.com/mcci-catena/arduino-lmic)
[mikalhart/TinyGPSPlus](https://github.com/mikalhart/TinyGPSPlus)
[ThingPulse/esp8266-oled-ssd1306](https://github.com/ThingPulse/esp8266-oled-ssd1306)

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/*
TTGO-BEAM based TTN Tracker
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
This code requires LMIC library by Matthijs Kooijman
https://github.com/matthijskooijman/arduino-lmic
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <Arduino.h>
#include <lmic.h>
void ttn_register(void (*callback)(uint8_t message));
// -----------------------------------------------------------------------------
// Version
// -----------------------------------------------------------------------------
#define APP_NAME "TTN MAP-TRACK"
#define APP_VERSION "1.0.0"
// -----------------------------------------------------------------------------
// Configuration
// -----------------------------------------------------------------------------
#define DEBUG_PORT Serial // Serial debug port
#define SERIAL_BAUD 115200 // Serial debug baud rate
#define SLEEP_BETWEEN_MESSAGES 0 // Do sleep between messages
#define SEND_INTERVAL 30000 // Sleep for these many millis
#define MESSAGE_TO_SLEEP_DELAY 5000 // Time after message before going to sleep
#define LOGO_DELAY 5000 // Time to show logo on first boot
#define LORAWAN_PORT 10 // Port the messages will be sent to
#define LORAWAN_CONFIRMED_EVERY 0 // Send confirmed message every these many messages (0 means never)
#define LORAWAN_SF DR_SF7 // Spreading factor
#define LORAWAN_ADR 0 // Enable ADR
#define GPS_WAIT_FOR_LOCK 5000 // Wait 5s after every boot for GPS lock
// -----------------------------------------------------------------------------
// DEBUG
// -----------------------------------------------------------------------------
#ifdef DEBUG_PORT
#define DEBUG_MSG(...) DEBUG_PORT.printf( __VA_ARGS__ )
#else
#define DEBUG_MSG(...)
#endif
// -----------------------------------------------------------------------------
// Custom messages
// -----------------------------------------------------------------------------
#define EV_QUEUED 100
#define EV_PENDING 101
#define EV_ACK 102
#define EV_RESPONSE 103
// -----------------------------------------------------------------------------
// General
// -----------------------------------------------------------------------------
#define BUTTON_PIN 39
#define LED_PIN 14
// -----------------------------------------------------------------------------
// OLED
// -----------------------------------------------------------------------------
#define OLED_ADDRESS 0x3C
#define OLED_SDA 21
#define OLED_SCL 22
// -----------------------------------------------------------------------------
// GPS
// -----------------------------------------------------------------------------
#define GPS_SERIAL_NUM 1
#define GPS_RX_PIN 12
#define GPS_TX_PIN 15
#define GPS_BAUDRATE 9600
// -----------------------------------------------------------------------------
// LoRa SPI
// -----------------------------------------------------------------------------
#define SCK_GPIO 5
#define MISO_GPIO 19
#define MOSI_GPIO 27
#define NSS_GPIO 18
#define RESET_GPIO 23
#define DIO0_GPIO 26
#define DIO1_GPIO 33
#define DIO2_GPIO 32

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/*
Credentials file
*/
#pragma once
// Only one of these settings must be defined
#define USE_ABP
//#define USE_OTAA
#ifdef USE_ABP
// LoRaWAN NwkSKey, network session key
static const u1_t PROGMEM NWKSKEY[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// LoRaWAN AppSKey, application session key
static const u1_t PROGMEM APPSKEY[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// LoRaWAN end-device address (DevAddr)
// This has to be unique for every node
static const u4_t DEVADDR = 0x00000000;
#endif
#ifdef USE_OTAA
// This EUI must be in little-endian format, so least-significant-byte
// first. When copying an EUI from ttnctl output, this means to reverse
// the bytes. For TTN issued EUIs the last bytes should be 0x00, 0x00,
// 0x00.
static const u1_t PROGMEM APPEUI[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// This should also be in little endian format, see above.
static const u1_t PROGMEM DEVEUI[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// This key should be in big endian format (or, since it is not really a
// number but a block of memory, endianness does not really apply). In
// practice, a key taken from ttnctl can be copied as-is.
// The key shown here is the semtech default key.
static const u1_t PROGMEM APPKEY[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
#endif

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const uint8_t Custom_ArialMT_Plain_10[] PROGMEM = {
0x0A, // Width: 10
0x0A, // Height: 10
0x20, // First Char: 32
0xE0, // Numbers of Chars: 224
// Jump Table:
0xFF, 0xFF, 0x00, 0x03, // 32:65535
0x00, 0x00, 0x04, 0x03, // 33:0
0x00, 0x04, 0x05, 0x04, // 34:4
0x00, 0x09, 0x09, 0x06, // 35:9
0x00, 0x12, 0x0A, 0x06, // 36:18
0x00, 0x1C, 0x10, 0x09, // 37:28
0x00, 0x2C, 0x0E, 0x07, // 38:44
0x00, 0x3A, 0x01, 0x02, // 39:58
0x00, 0x3B, 0x06, 0x03, // 40:59
0x00, 0x41, 0x06, 0x03, // 41:65
0x00, 0x47, 0x05, 0x04, // 42:71
0x00, 0x4C, 0x09, 0x06, // 43:76
0x00, 0x55, 0x04, 0x03, // 44:85
0x00, 0x59, 0x03, 0x03, // 45:89
0x00, 0x5C, 0x04, 0x03, // 46:92
0x00, 0x60, 0x05, 0x03, // 47:96
0x00, 0x65, 0x0A, 0x06, // 48:101
0x00, 0x6F, 0x08, 0x06, // 49:111
0x00, 0x77, 0x0A, 0x06, // 50:119
0x00, 0x81, 0x0A, 0x06, // 51:129
0x00, 0x8B, 0x0B, 0x06, // 52:139
0x00, 0x96, 0x0A, 0x06, // 53:150
0x00, 0xA0, 0x0A, 0x06, // 54:160
0x00, 0xAA, 0x09, 0x06, // 55:170
0x00, 0xB3, 0x0A, 0x06, // 56:179
0x00, 0xBD, 0x0A, 0x06, // 57:189
0x00, 0xC7, 0x04, 0x03, // 58:199
0x00, 0xCB, 0x04, 0x03, // 59:203
0x00, 0xCF, 0x0A, 0x06, // 60:207
0x00, 0xD9, 0x09, 0x06, // 61:217
0x00, 0xE2, 0x09, 0x06, // 62:226
0x00, 0xEB, 0x0B, 0x06, // 63:235
0x00, 0xF6, 0x14, 0x0A, // 64:246
0x01, 0x0A, 0x0E, 0x07, // 65:266
0x01, 0x18, 0x0C, 0x07, // 66:280
0x01, 0x24, 0x0C, 0x07, // 67:292
0x01, 0x30, 0x0B, 0x07, // 68:304
0x01, 0x3B, 0x0C, 0x07, // 69:315
0x01, 0x47, 0x09, 0x06, // 70:327
0x01, 0x50, 0x0D, 0x08, // 71:336
0x01, 0x5D, 0x0C, 0x07, // 72:349
0x01, 0x69, 0x04, 0x03, // 73:361
0x01, 0x6D, 0x08, 0x05, // 74:365
0x01, 0x75, 0x0E, 0x07, // 75:373
0x01, 0x83, 0x0C, 0x06, // 76:387
0x01, 0x8F, 0x10, 0x08, // 77:399
0x01, 0x9F, 0x0C, 0x07, // 78:415
0x01, 0xAB, 0x0E, 0x08, // 79:427
0x01, 0xB9, 0x0B, 0x07, // 80:441
0x01, 0xC4, 0x0E, 0x08, // 81:452
0x01, 0xD2, 0x0C, 0x07, // 82:466
0x01, 0xDE, 0x0C, 0x07, // 83:478
0x01, 0xEA, 0x0B, 0x06, // 84:490
0x01, 0xF5, 0x0C, 0x07, // 85:501
0x02, 0x01, 0x0D, 0x07, // 86:513
0x02, 0x0E, 0x11, 0x09, // 87:526
0x02, 0x1F, 0x0E, 0x07, // 88:543
0x02, 0x2D, 0x0D, 0x07, // 89:557
0x02, 0x3A, 0x0C, 0x06, // 90:570
0x02, 0x46, 0x06, 0x03, // 91:582
0x02, 0x4C, 0x06, 0x03, // 92:588
0x02, 0x52, 0x04, 0x03, // 93:594
0x02, 0x56, 0x09, 0x05, // 94:598
0x02, 0x5F, 0x0C, 0x06, // 95:607
0x02, 0x6B, 0x03, 0x03, // 96:619
0x02, 0x6E, 0x0A, 0x06, // 97:622
0x02, 0x78, 0x0A, 0x06, // 98:632
0x02, 0x82, 0x0A, 0x05, // 99:642
0x02, 0x8C, 0x0A, 0x06, // 100:652
0x02, 0x96, 0x0A, 0x06, // 101:662
0x02, 0xA0, 0x05, 0x03, // 102:672
0x02, 0xA5, 0x0A, 0x06, // 103:677
0x02, 0xAF, 0x0A, 0x06, // 104:687
0x02, 0xB9, 0x04, 0x02, // 105:697
0x02, 0xBD, 0x04, 0x02, // 106:701
0x02, 0xC1, 0x08, 0x05, // 107:705
0x02, 0xC9, 0x04, 0x02, // 108:713
0x02, 0xCD, 0x10, 0x08, // 109:717
0x02, 0xDD, 0x0A, 0x06, // 110:733
0x02, 0xE7, 0x0A, 0x06, // 111:743
0x02, 0xF1, 0x0A, 0x06, // 112:753
0x02, 0xFB, 0x0A, 0x06, // 113:763
0x03, 0x05, 0x05, 0x03, // 114:773
0x03, 0x0A, 0x08, 0x05, // 115:778
0x03, 0x12, 0x06, 0x03, // 116:786
0x03, 0x18, 0x0A, 0x06, // 117:792
0x03, 0x22, 0x09, 0x05, // 118:802
0x03, 0x2B, 0x0E, 0x07, // 119:811
0x03, 0x39, 0x0A, 0x05, // 120:825
0x03, 0x43, 0x09, 0x05, // 121:835
0x03, 0x4C, 0x0A, 0x05, // 122:844
0x03, 0x56, 0x06, 0x03, // 123:854
0x03, 0x5C, 0x04, 0x03, // 124:860
0x03, 0x60, 0x05, 0x03, // 125:864
0x03, 0x65, 0x09, 0x06, // 126:869
0xFF, 0xFF, 0x00, 0x00, // 127:65535
0xFF, 0xFF, 0x00, 0x0A, // 128:65535
0xFF, 0xFF, 0x00, 0x0A, // 129:65535
0xFF, 0xFF, 0x00, 0x0A, // 130:65535
0xFF, 0xFF, 0x00, 0x0A, // 131:65535
0xFF, 0xFF, 0x00, 0x0A, // 132:65535
0xFF, 0xFF, 0x00, 0x0A, // 133:65535
0xFF, 0xFF, 0x00, 0x0A, // 134:65535
0xFF, 0xFF, 0x00, 0x0A, // 135:65535
0xFF, 0xFF, 0x00, 0x0A, // 136:65535
0xFF, 0xFF, 0x00, 0x0A, // 137:65535
0xFF, 0xFF, 0x00, 0x0A, // 138:65535
0xFF, 0xFF, 0x00, 0x0A, // 139:65535
0xFF, 0xFF, 0x00, 0x0A, // 140:65535
0xFF, 0xFF, 0x00, 0x0A, // 141:65535
0xFF, 0xFF, 0x00, 0x0A, // 142:65535
0xFF, 0xFF, 0x00, 0x0A, // 143:65535
0xFF, 0xFF, 0x00, 0x0A, // 144:65535
0xFF, 0xFF, 0x00, 0x0A, // 145:65535
0xFF, 0xFF, 0x00, 0x0A, // 146:65535
0xFF, 0xFF, 0x00, 0x0A, // 147:65535
0xFF, 0xFF, 0x00, 0x0A, // 148:65535
0xFF, 0xFF, 0x00, 0x0A, // 149:65535
0xFF, 0xFF, 0x00, 0x0A, // 150:65535
0xFF, 0xFF, 0x00, 0x0A, // 151:65535
0xFF, 0xFF, 0x00, 0x0A, // 152:65535
0xFF, 0xFF, 0x00, 0x0A, // 153:65535
0xFF, 0xFF, 0x00, 0x0A, // 154:65535
0xFF, 0xFF, 0x00, 0x0A, // 155:65535
0xFF, 0xFF, 0x00, 0x0A, // 156:65535
0xFF, 0xFF, 0x00, 0x0A, // 157:65535
0xFF, 0xFF, 0x00, 0x0A, // 158:65535
0xFF, 0xFF, 0x00, 0x0A, // 159:65535
0xFF, 0xFF, 0x00, 0x03, // 160:65535
0x03, 0x6E, 0x04, 0x03, // 161:878
0x03, 0x72, 0x0A, 0x06, // 162:882
0x03, 0x7C, 0x0C, 0x06, // 163:892
0x03, 0x88, 0x0A, 0x06, // 164:904
0x03, 0x92, 0x0A, 0x06, // 165:914
0x03, 0x9C, 0x04, 0x03, // 166:924
0x03, 0xA0, 0x0A, 0x06, // 167:928
0x03, 0xAA, 0x05, 0x03, // 168:938
0x03, 0xAF, 0x0D, 0x07, // 169:943
0x03, 0xBC, 0x07, 0x04, // 170:956
0x03, 0xC3, 0x0A, 0x06, // 171:963
0x03, 0xCD, 0x09, 0x06, // 172:973
0x03, 0xD6, 0x03, 0x03, // 173:982
0x03, 0xD9, 0x0D, 0x07, // 174:985
0x03, 0xE6, 0x0B, 0x06, // 175:998
0x03, 0xF1, 0x07, 0x04, // 176:1009
0x03, 0xF8, 0x0A, 0x05, // 177:1016
0x04, 0x02, 0x05, 0x03, // 178:1026
0x04, 0x07, 0x05, 0x03, // 179:1031
0x04, 0x0C, 0x05, 0x03, // 180:1036
0x04, 0x11, 0x0A, 0x06, // 181:1041
0x04, 0x1B, 0x09, 0x05, // 182:1051
0x04, 0x24, 0x03, 0x03, // 183:1060
0x04, 0x27, 0x06, 0x03, // 184:1063
0x04, 0x2D, 0x05, 0x03, // 185:1069
0x04, 0x32, 0x07, 0x04, // 186:1074
0x04, 0x39, 0x0A, 0x06, // 187:1081
0x04, 0x43, 0x10, 0x08, // 188:1091
0x04, 0x53, 0x10, 0x08, // 189:1107
0x04, 0x63, 0x10, 0x08, // 190:1123
0x04, 0x73, 0x0A, 0x06, // 191:1139
0x04, 0x7D, 0x0E, 0x07, // 192:1149
0x04, 0x8B, 0x0E, 0x07, // 193:1163
0x04, 0x99, 0x0E, 0x07, // 194:1177
0x04, 0xA7, 0x0E, 0x07, // 195:1191
0x04, 0xB5, 0x0E, 0x07, // 196:1205
0x04, 0xC3, 0x0E, 0x07, // 197:1219
0x04, 0xD1, 0x12, 0x0A, // 198:1233
0x04, 0xE3, 0x0C, 0x07, // 199:1251
0x04, 0xEF, 0x0C, 0x07, // 200:1263
0x04, 0xFB, 0x0C, 0x07, // 201:1275
0x05, 0x07, 0x0C, 0x07, // 202:1287
0x05, 0x13, 0x0C, 0x07, // 203:1299
0x05, 0x1F, 0x05, 0x03, // 204:1311
0x05, 0x24, 0x04, 0x03, // 205:1316
0x05, 0x28, 0x04, 0x03, // 206:1320
0x05, 0x2C, 0x05, 0x03, // 207:1324
0x05, 0x31, 0x0B, 0x07, // 208:1329
0x05, 0x3C, 0x0C, 0x07, // 209:1340
0x05, 0x48, 0x0E, 0x08, // 210:1352
0x05, 0x56, 0x0E, 0x08, // 211:1366
0x05, 0x64, 0x0E, 0x08, // 212:1380
0x05, 0x72, 0x0E, 0x08, // 213:1394
0x05, 0x80, 0x0E, 0x08, // 214:1408
0x05, 0x8E, 0x0A, 0x06, // 215:1422
0x05, 0x98, 0x0D, 0x08, // 216:1432
0x05, 0xA5, 0x0C, 0x07, // 217:1445
0x05, 0xB1, 0x0C, 0x07, // 218:1457
0x05, 0xBD, 0x0C, 0x07, // 219:1469
0x05, 0xC9, 0x0C, 0x07, // 220:1481
0x05, 0xD5, 0x0D, 0x07, // 221:1493
0x05, 0xE2, 0x0B, 0x07, // 222:1506
0x05, 0xED, 0x0C, 0x06, // 223:1517
0x05, 0xF9, 0x0A, 0x06, // 224:1529
0x06, 0x03, 0x0A, 0x06, // 225:1539
0x06, 0x0D, 0x0A, 0x06, // 226:1549
0x06, 0x17, 0x0A, 0x06, // 227:1559
0x06, 0x21, 0x0A, 0x06, // 228:1569
0x06, 0x2B, 0x0A, 0x06, // 229:1579
0x06, 0x35, 0x10, 0x09, // 230:1589
0x06, 0x45, 0x0A, 0x05, // 231:1605
0x06, 0x4F, 0x0A, 0x06, // 232:1615
0x06, 0x59, 0x0A, 0x06, // 233:1625
0x06, 0x63, 0x0A, 0x06, // 234:1635
0x06, 0x6D, 0x0A, 0x06, // 235:1645
0x06, 0x77, 0x05, 0x03, // 236:1655
0x06, 0x7C, 0x04, 0x03, // 237:1660
0x06, 0x80, 0x05, 0x03, // 238:1664
0x06, 0x85, 0x05, 0x03, // 239:1669
0x06, 0x8A, 0x0A, 0x06, // 240:1674
0x06, 0x94, 0x0A, 0x06, // 241:1684
0x06, 0x9E, 0x0A, 0x06, // 242:1694
0x06, 0xA8, 0x0A, 0x06, // 243:1704
0x06, 0xB2, 0x0A, 0x06, // 244:1714
0x06, 0xBC, 0x0A, 0x06, // 245:1724
0x06, 0xC6, 0x0A, 0x06, // 246:1734
0x06, 0xD0, 0x09, 0x05, // 247:1744
0x06, 0xD9, 0x0A, 0x06, // 248:1753
0x06, 0xE3, 0x0A, 0x06, // 249:1763
0x06, 0xED, 0x0A, 0x06, // 250:1773
0x06, 0xF7, 0x0A, 0x06, // 251:1783
0x07, 0x01, 0x0A, 0x06, // 252:1793
0x07, 0x0B, 0x09, 0x05, // 253:1803
0x07, 0x14, 0x0A, 0x06, // 254:1812
0x07, 0x1E, 0x09, 0x05, // 255:1822
// Font Data:
0x00,0x00,0xF8,0x02, // 33
0x38,0x00,0x00,0x00,0x38, // 34
0xA0,0x03,0xE0,0x00,0xB8,0x03,0xE0,0x00,0xB8, // 35
0x30,0x01,0x28,0x02,0xF8,0x07,0x48,0x02,0x90,0x01, // 36
0x00,0x00,0x30,0x00,0x48,0x00,0x30,0x03,0xC0,0x00,0xB0,0x01,0x48,0x02,0x80,0x01, // 37
0x80,0x01,0x50,0x02,0x68,0x02,0xA8,0x02,0x18,0x01,0x80,0x03,0x80,0x02, // 38
0x38, // 39
0xE0,0x03,0x10,0x04,0x08,0x08, // 40
0x08,0x08,0x10,0x04,0xE0,0x03, // 41
0x28,0x00,0x18,0x00,0x28, // 42
0x40,0x00,0x40,0x00,0xF0,0x01,0x40,0x00,0x40, // 43
0x00,0x00,0x00,0x06, // 44
0x80,0x00,0x80, // 45
0x00,0x00,0x00,0x02, // 46
0x00,0x03,0xE0,0x00,0x18, // 47
0xF0,0x01,0x08,0x02,0x08,0x02,0x08,0x02,0xF0,0x01, // 48
0x00,0x00,0x20,0x00,0x10,0x00,0xF8,0x03, // 49
0x10,0x02,0x08,0x03,0x88,0x02,0x48,0x02,0x30,0x02, // 50
0x10,0x01,0x08,0x02,0x48,0x02,0x48,0x02,0xB0,0x01, // 51
0xC0,0x00,0xA0,0x00,0x90,0x00,0x88,0x00,0xF8,0x03,0x80, // 52
0x60,0x01,0x38,0x02,0x28,0x02,0x28,0x02,0xC8,0x01, // 53
0xF0,0x01,0x28,0x02,0x28,0x02,0x28,0x02,0xD0,0x01, // 54
0x08,0x00,0x08,0x03,0xC8,0x00,0x38,0x00,0x08, // 55
0xB0,0x01,0x48,0x02,0x48,0x02,0x48,0x02,0xB0,0x01, // 56
0x70,0x01,0x88,0x02,0x88,0x02,0x88,0x02,0xF0,0x01, // 57
0x00,0x00,0x20,0x02, // 58
0x00,0x00,0x20,0x06, // 59
0x00,0x00,0x40,0x00,0xA0,0x00,0xA0,0x00,0x10,0x01, // 60
0xA0,0x00,0xA0,0x00,0xA0,0x00,0xA0,0x00,0xA0, // 61
0x00,0x00,0x10,0x01,0xA0,0x00,0xA0,0x00,0x40, // 62
0x10,0x00,0x08,0x00,0x08,0x00,0xC8,0x02,0x48,0x00,0x30, // 63
0x00,0x00,0xC0,0x03,0x30,0x04,0xD0,0x09,0x28,0x0A,0x28,0x0A,0xC8,0x0B,0x68,0x0A,0x10,0x05,0xE0,0x04, // 64
0x00,0x02,0xC0,0x01,0xB0,0x00,0x88,0x00,0xB0,0x00,0xC0,0x01,0x00,0x02, // 65
0x00,0x00,0xF8,0x03,0x48,0x02,0x48,0x02,0x48,0x02,0xF0,0x01, // 66
0x00,0x00,0xF0,0x01,0x08,0x02,0x08,0x02,0x08,0x02,0x10,0x01, // 67
0x00,0x00,0xF8,0x03,0x08,0x02,0x08,0x02,0x10,0x01,0xE0, // 68
0x00,0x00,0xF8,0x03,0x48,0x02,0x48,0x02,0x48,0x02,0x48,0x02, // 69
0x00,0x00,0xF8,0x03,0x48,0x00,0x48,0x00,0x08, // 70
0x00,0x00,0xE0,0x00,0x10,0x01,0x08,0x02,0x48,0x02,0x50,0x01,0xC0, // 71
0x00,0x00,0xF8,0x03,0x40,0x00,0x40,0x00,0x40,0x00,0xF8,0x03, // 72
0x00,0x00,0xF8,0x03, // 73
0x00,0x03,0x00,0x02,0x00,0x02,0xF8,0x01, // 74
0x00,0x00,0xF8,0x03,0x80,0x00,0x60,0x00,0x90,0x00,0x08,0x01,0x00,0x02, // 75
0x00,0x00,0xF8,0x03,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02, // 76
0x00,0x00,0xF8,0x03,0x30,0x00,0xC0,0x01,0x00,0x02,0xC0,0x01,0x30,0x00,0xF8,0x03, // 77
0x00,0x00,0xF8,0x03,0x30,0x00,0x40,0x00,0x80,0x01,0xF8,0x03, // 78
0x00,0x00,0xF0,0x01,0x08,0x02,0x08,0x02,0x08,0x02,0x08,0x02,0xF0,0x01, // 79
0x00,0x00,0xF8,0x03,0x48,0x00,0x48,0x00,0x48,0x00,0x30, // 80
0x00,0x00,0xF0,0x01,0x08,0x02,0x08,0x02,0x08,0x03,0x08,0x03,0xF0,0x02, // 81
0x00,0x00,0xF8,0x03,0x48,0x00,0x48,0x00,0xC8,0x00,0x30,0x03, // 82
0x00,0x00,0x30,0x01,0x48,0x02,0x48,0x02,0x48,0x02,0x90,0x01, // 83
0x00,0x00,0x08,0x00,0x08,0x00,0xF8,0x03,0x08,0x00,0x08, // 84
0x00,0x00,0xF8,0x01,0x00,0x02,0x00,0x02,0x00,0x02,0xF8,0x01, // 85
0x08,0x00,0x70,0x00,0x80,0x01,0x00,0x02,0x80,0x01,0x70,0x00,0x08, // 86
0x18,0x00,0xE0,0x01,0x00,0x02,0xF0,0x01,0x08,0x00,0xF0,0x01,0x00,0x02,0xE0,0x01,0x18, // 87
0x00,0x02,0x08,0x01,0x90,0x00,0x60,0x00,0x90,0x00,0x08,0x01,0x00,0x02, // 88
0x08,0x00,0x10,0x00,0x20,0x00,0xC0,0x03,0x20,0x00,0x10,0x00,0x08, // 89
0x08,0x03,0x88,0x02,0xC8,0x02,0x68,0x02,0x38,0x02,0x18,0x02, // 90
0x00,0x00,0xF8,0x0F,0x08,0x08, // 91
0x18,0x00,0xE0,0x00,0x00,0x03, // 92
0x08,0x08,0xF8,0x0F, // 93
0x40,0x00,0x30,0x00,0x08,0x00,0x30,0x00,0x40, // 94
0x00,0x08,0x00,0x08,0x00,0x08,0x00,0x08,0x00,0x08,0x00,0x08, // 95
0x08,0x00,0x10, // 96
0x00,0x00,0x00,0x03,0xA0,0x02,0xA0,0x02,0xE0,0x03, // 97
0x00,0x00,0xF8,0x03,0x20,0x02,0x20,0x02,0xC0,0x01, // 98
0x00,0x00,0xC0,0x01,0x20,0x02,0x20,0x02,0x40,0x01, // 99
0x00,0x00,0xC0,0x01,0x20,0x02,0x20,0x02,0xF8,0x03, // 100
0x00,0x00,0xC0,0x01,0xA0,0x02,0xA0,0x02,0xC0,0x02, // 101
0x20,0x00,0xF0,0x03,0x28, // 102
0x00,0x00,0xC0,0x05,0x20,0x0A,0x20,0x0A,0xE0,0x07, // 103
0x00,0x00,0xF8,0x03,0x20,0x00,0x20,0x00,0xC0,0x03, // 104
0x00,0x00,0xE8,0x03, // 105
0x00,0x08,0xE8,0x07, // 106
0xF8,0x03,0x80,0x00,0xC0,0x01,0x20,0x02, // 107
0x00,0x00,0xF8,0x03, // 108
0x00,0x00,0xE0,0x03,0x20,0x00,0x20,0x00,0xE0,0x03,0x20,0x00,0x20,0x00,0xC0,0x03, // 109
0x00,0x00,0xE0,0x03,0x20,0x00,0x20,0x00,0xC0,0x03, // 110
0x00,0x00,0xC0,0x01,0x20,0x02,0x20,0x02,0xC0,0x01, // 111
0x00,0x00,0xE0,0x0F,0x20,0x02,0x20,0x02,0xC0,0x01, // 112
0x00,0x00,0xC0,0x01,0x20,0x02,0x20,0x02,0xE0,0x0F, // 113
0x00,0x00,0xE0,0x03,0x20, // 114
0x40,0x02,0xA0,0x02,0xA0,0x02,0x20,0x01, // 115
0x20,0x00,0xF8,0x03,0x20,0x02, // 116
0x00,0x00,0xE0,0x01,0x00,0x02,0x00,0x02,0xE0,0x03, // 117
0x20,0x00,0xC0,0x01,0x00,0x02,0xC0,0x01,0x20, // 118
0xE0,0x01,0x00,0x02,0xC0,0x01,0x20,0x00,0xC0,0x01,0x00,0x02,0xE0,0x01, // 119
0x20,0x02,0x40,0x01,0x80,0x00,0x40,0x01,0x20,0x02, // 120
0x20,0x00,0xC0,0x09,0x00,0x06,0xC0,0x01,0x20, // 121
0x20,0x02,0x20,0x03,0xA0,0x02,0x60,0x02,0x20,0x02, // 122
0x80,0x00,0x78,0x0F,0x08,0x08, // 123
0x00,0x00,0xF8,0x0F, // 124
0x08,0x08,0x78,0x0F,0x80, // 125
0xC0,0x00,0x40,0x00,0xC0,0x00,0x80,0x00,0xC0, // 126
0x00,0x00,0xA0,0x0F, // 161
0x00,0x00,0xC0,0x01,0xA0,0x0F,0x78,0x02,0x40,0x01, // 162
0x40,0x02,0x70,0x03,0xC8,0x02,0x48,0x02,0x08,0x02,0x10,0x02, // 163
0x00,0x00,0xE0,0x01,0x20,0x01,0x20,0x01,0xE0,0x01, // 164
0x48,0x01,0x70,0x01,0xC0,0x03,0x70,0x01,0x48,0x01, // 165
0x00,0x00,0x38,0x0F, // 166
0xD0,0x04,0x28,0x09,0x48,0x09,0x48,0x0A,0x90,0x05, // 167
0x08,0x00,0x00,0x00,0x08, // 168
0xE0,0x00,0x10,0x01,0x48,0x02,0xA8,0x02,0xA8,0x02,0x10,0x01,0xE0, // 169
0x68,0x00,0x68,0x00,0x68,0x00,0x78, // 170
0x00,0x00,0x80,0x01,0x40,0x02,0x80,0x01,0x40,0x02, // 171
0x20,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0xE0, // 172
0x80,0x00,0x80, // 173
0xE0,0x00,0x10,0x01,0xE8,0x02,0x68,0x02,0xC8,0x02,0x10,0x01,0xE0, // 174
0x02,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02, // 175
0x00,0x00,0x38,0x00,0x28,0x00,0x38, // 176
0x40,0x02,0x40,0x02,0xF0,0x03,0x40,0x02,0x40,0x02, // 177
0x48,0x00,0x68,0x00,0x58, // 178
0x48,0x00,0x58,0x00,0x68, // 179
0x00,0x00,0x10,0x00,0x08, // 180
0x00,0x00,0xE0,0x0F,0x00,0x02,0x00,0x02,0xE0,0x03, // 181
0x70,0x00,0xF8,0x0F,0x08,0x00,0xF8,0x0F,0x08, // 182
0x00,0x00,0x40, // 183
0x00,0x00,0x00,0x14,0x00,0x18, // 184
0x00,0x00,0x10,0x00,0x78, // 185
0x30,0x00,0x48,0x00,0x48,0x00,0x30, // 186
0x00,0x00,0x40,0x02,0x80,0x01,0x40,0x02,0x80,0x01, // 187
0x00,0x00,0x10,0x02,0x78,0x01,0xC0,0x00,0x20,0x01,0x90,0x01,0xC8,0x03,0x00,0x01, // 188
0x00,0x00,0x10,0x02,0x78,0x01,0x80,0x00,0x60,0x00,0x50,0x02,0x48,0x03,0xC0,0x02, // 189
0x48,0x00,0x58,0x00,0x68,0x03,0x80,0x00,0x60,0x01,0x90,0x01,0xC8,0x03,0x00,0x01, // 190
0x00,0x00,0x00,0x06,0x00,0x09,0xA0,0x09,0x00,0x04, // 191
0x00,0x02,0xC0,0x01,0xB0,0x00,0x89,0x00,0xB2,0x00,0xC0,0x01,0x00,0x02, // 192
0x00,0x02,0xC0,0x01,0xB0,0x00,0x8A,0x00,0xB1,0x00,0xC0,0x01,0x00,0x02, // 193
0x00,0x02,0xC0,0x01,0xB2,0x00,0x89,0x00,0xB2,0x00,0xC0,0x01,0x00,0x02, // 194
0x00,0x02,0xC2,0x01,0xB1,0x00,0x8A,0x00,0xB1,0x00,0xC0,0x01,0x00,0x02, // 195
0x00,0x02,0xC0,0x01,0xB2,0x00,0x88,0x00,0xB2,0x00,0xC0,0x01,0x00,0x02, // 196
0x00,0x02,0xC0,0x01,0xBE,0x00,0x8A,0x00,0xBE,0x00,0xC0,0x01,0x00,0x02, // 197
0x00,0x03,0xC0,0x00,0xE0,0x00,0x98,0x00,0x88,0x00,0xF8,0x03,0x48,0x02,0x48,0x02,0x48,0x02, // 198
0x00,0x00,0xF0,0x01,0x08,0x02,0x08,0x16,0x08,0x1A,0x10,0x01, // 199
0x00,0x00,0xF8,0x03,0x49,0x02,0x4A,0x02,0x48,0x02,0x48,0x02, // 200
0x00,0x00,0xF8,0x03,0x48,0x02,0x4A,0x02,0x49,0x02,0x48,0x02, // 201
0x00,0x00,0xFA,0x03,0x49,0x02,0x4A,0x02,0x48,0x02,0x48,0x02, // 202
0x00,0x00,0xF8,0x03,0x4A,0x02,0x48,0x02,0x4A,0x02,0x48,0x02, // 203
0x00,0x00,0xF9,0x03,0x02, // 204
0x02,0x00,0xF9,0x03, // 205
0x01,0x00,0xFA,0x03, // 206
0x02,0x00,0xF8,0x03,0x02, // 207
0x40,0x00,0xF8,0x03,0x48,0x02,0x48,0x02,0x10,0x01,0xE0, // 208
0x00,0x00,0xFA,0x03,0x31,0x00,0x42,0x00,0x81,0x01,0xF8,0x03, // 209
0x00,0x00,0xF0,0x01,0x08,0x02,0x09,0x02,0x0A,0x02,0x08,0x02,0xF0,0x01, // 210
0x00,0x00,0xF0,0x01,0x08,0x02,0x0A,0x02,0x09,0x02,0x08,0x02,0xF0,0x01, // 211
0x00,0x00,0xF0,0x01,0x08,0x02,0x0A,0x02,0x09,0x02,0x0A,0x02,0xF0,0x01, // 212
0x00,0x00,0xF0,0x01,0x0A,0x02,0x09,0x02,0x0A,0x02,0x09,0x02,0xF0,0x01, // 213
0x00,0x00,0xF0,0x01,0x0A,0x02,0x08,0x02,0x0A,0x02,0x08,0x02,0xF0,0x01, // 214
0x10,0x01,0xA0,0x00,0xE0,0x00,0xA0,0x00,0x10,0x01, // 215
0x00,0x00,0xF0,0x02,0x08,0x03,0xC8,0x02,0x28,0x02,0x18,0x03,0xE8, // 216
0x00,0x00,0xF8,0x01,0x01,0x02,0x02,0x02,0x00,0x02,0xF8,0x01, // 217
0x00,0x00,0xF8,0x01,0x02,0x02,0x01,0x02,0x00,0x02,0xF8,0x01, // 218
0x00,0x00,0xF8,0x01,0x02,0x02,0x01,0x02,0x02,0x02,0xF8,0x01, // 219
0x00,0x00,0xF8,0x01,0x02,0x02,0x00,0x02,0x02,0x02,0xF8,0x01, // 220
0x08,0x00,0x10,0x00,0x20,0x00,0xC2,0x03,0x21,0x00,0x10,0x00,0x08, // 221
0x00,0x00,0xF8,0x03,0x10,0x01,0x10,0x01,0x10,0x01,0xE0, // 222
0x00,0x00,0xF0,0x03,0x08,0x01,0x48,0x02,0xB0,0x02,0x80,0x01, // 223
0x00,0x00,0x00,0x03,0xA4,0x02,0xA8,0x02,0xE0,0x03, // 224
0x00,0x00,0x00,0x03,0xA8,0x02,0xA4,0x02,0xE0,0x03, // 225
0x00,0x00,0x00,0x03,0xA8,0x02,0xA4,0x02,0xE8,0x03, // 226
0x00,0x00,0x08,0x03,0xA4,0x02,0xA8,0x02,0xE4,0x03, // 227
0x00,0x00,0x00,0x03,0xA8,0x02,0xA0,0x02,0xE8,0x03, // 228
0x00,0x00,0x00,0x03,0xAE,0x02,0xAA,0x02,0xEE,0x03, // 229
0x00,0x00,0x40,0x03,0xA0,0x02,0xA0,0x02,0xC0,0x01,0xA0,0x02,0xA0,0x02,0xC0,0x02, // 230
0x00,0x00,0xC0,0x01,0x20,0x16,0x20,0x1A,0x40,0x01, // 231
0x00,0x00,0xC0,0x01,0xA4,0x02,0xA8,0x02,0xC0,0x02, // 232
0x00,0x00,0xC0,0x01,0xA8,0x02,0xA4,0x02,0xC0,0x02, // 233
0x00,0x00,0xC0,0x01,0xA8,0x02,0xA4,0x02,0xC8,0x02, // 234
0x00,0x00,0xC0,0x01,0xA8,0x02,0xA0,0x02,0xC8,0x02, // 235
0x00,0x00,0xE4,0x03,0x08, // 236
0x08,0x00,0xE4,0x03, // 237
0x08,0x00,0xE4,0x03,0x08, // 238
0x08,0x00,0xE0,0x03,0x08, // 239
0x00,0x00,0xC0,0x01,0x28,0x02,0x38,0x02,0xE0,0x01, // 240
0x00,0x00,0xE8,0x03,0x24,0x00,0x28,0x00,0xC4,0x03, // 241
0x00,0x00,0xC0,0x01,0x24,0x02,0x28,0x02,0xC0,0x01, // 242
0x00,0x00,0xC0,0x01,0x28,0x02,0x24,0x02,0xC0,0x01, // 243
0x00,0x00,0xC0,0x01,0x28,0x02,0x24,0x02,0xC8,0x01, // 244
0x00,0x00,0xC8,0x01,0x24,0x02,0x28,0x02,0xC4,0x01, // 245
0x00,0x00,0xC0,0x01,0x28,0x02,0x20,0x02,0xC8,0x01, // 246
0x40,0x00,0x40,0x00,0x50,0x01,0x40,0x00,0x40, // 247
0x00,0x00,0xC0,0x02,0xA0,0x03,0x60,0x02,0xA0,0x01, // 248
0x00,0x00,0xE0,0x01,0x04,0x02,0x08,0x02,0xE0,0x03, // 249
0x00,0x00,0xE0,0x01,0x08,0x02,0x04,0x02,0xE0,0x03, // 250
0x00,0x00,0xE8,0x01,0x04,0x02,0x08,0x02,0xE0,0x03, // 251
0x00,0x00,0xE0,0x01,0x08,0x02,0x00,0x02,0xE8,0x03, // 252
0x20,0x00,0xC0,0x09,0x08,0x06,0xC4,0x01,0x20, // 253
0x00,0x00,0xF8,0x0F,0x20,0x02,0x20,0x02,0xC0,0x01, // 254
0x20,0x00,0xC8,0x09,0x00,0x06,0xC8,0x01,0x20 // 255
};

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/*
GPS module
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include <TinyGPS++.h>
uint32_t LatitudeBinary, LongitudeBinary;
uint16_t altitudeGps;
uint8_t hdopGps;
char t[32]; // used to sprintf for Serial output
TinyGPSPlus _gps;
HardwareSerial _serial_gps(GPS_SERIAL_NUM);
void gps_time(char * buffer, uint8_t size) {
snprintf(buffer, size, "%02d:%02d:%02d", _gps.time.hour(), _gps.time.minute(), _gps.time.second());
}
float gps_latitude() {
return _gps.location.lat();
}
float gps_longitude() {
return _gps.location.lng();
}
float gps_altitude() {
return _gps.altitude.meters();
}
float gps_hdop() {
return _gps.hdop.hdop();
}
uint8_t gps_sats() {
return _gps.satellites.value();
}
void gps_setup() {
_serial_gps.begin(GPS_BAUDRATE, SERIAL_8N1, GPS_RX_PIN, GPS_TX_PIN);
}
static void gps_loop() {
while (_serial_gps.available()) {
_gps.encode(_serial_gps.read());
}
}
void buildPacket(uint8_t txBuffer[9])
{
LatitudeBinary = ((_gps.location.lat() + 90) / 180.0) * 16777215;
LongitudeBinary = ((_gps.location.lng() + 180) / 360.0) * 16777215;
sprintf(t, "Lat: %f", _gps.location.lat());
Serial.println(t);
sprintf(t, "Lng: %f", _gps.location.lng());
Serial.println(t);
txBuffer[0] = ( LatitudeBinary >> 16 ) & 0xFF;
txBuffer[1] = ( LatitudeBinary >> 8 ) & 0xFF;
txBuffer[2] = LatitudeBinary & 0xFF;
txBuffer[3] = ( LongitudeBinary >> 16 ) & 0xFF;
txBuffer[4] = ( LongitudeBinary >> 8 ) & 0xFF;
txBuffer[5] = LongitudeBinary & 0xFF;
altitudeGps = _gps.altitude.meters();
txBuffer[6] = ( altitudeGps >> 8 ) & 0xFF;
txBuffer[7] = altitudeGps & 0xFF;
hdopGps = _gps.hdop.value()/10;
txBuffer[8] = hdopGps & 0xFF;
}

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#define SATELLITE_IMAGE_WIDTH 16
#define SATELLITE_IMAGE_HEIGHT 15
const uint8_t SATELLITE_IMAGE[] PROGMEM = {
0x00, 0x08, 0x00, 0x1C, 0x00, 0x0E, 0x20, 0x07, 0x70, 0x02, 0xF8, 0x00,
0xF0, 0x01, 0xE0, 0x03, 0xC8, 0x01, 0x9C, 0x54, 0x0E, 0x52, 0x07, 0x48,
0x02, 0x26, 0x00, 0x10, 0x00, 0x0E
};
#define TTN_IMAGE_WIDTH 62
#define TTN_IMAGE_HEIGHT 48
const uint8_t TTN_IMAGE[] PROGMEM = {
0x00, 0x00, 0x00, 0xC0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0,
0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0x7F, 0x00, 0x70, 0x00,
0x00, 0x00, 0x00, 0xFC, 0xFF, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00, 0xFF,
0xFF, 0x01, 0xC0, 0x03, 0x00, 0x80, 0x1F, 0xFF, 0xFF, 0x03, 0x00, 0x07,
0x00, 0xE0, 0xBF, 0xFF, 0xFF, 0x03, 0x38, 0x0E, 0x00, 0xF0, 0xFF, 0xFF,
0xFF, 0x07, 0xF8, 0x0C, 0x00, 0xF0, 0xFF, 0xFF, 0xFF, 0xF7, 0xE3, 0x1C,
0x00, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF, 0xC7, 0x1D, 0x00, 0xFC, 0xFF, 0xFF,
0xFF, 0xFF, 0x8F, 0x19, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x9F, 0x19,
0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x9F, 0x19, 0xC0, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xBF, 0x19, 0xC0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xBF, 0x19,
0xC0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x18, 0xF8, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x3F, 0x00, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0x00,
0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0x00, 0xFE, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x7F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFE, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x7F, 0x00, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x00,
0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0x00, 0xE0, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xBF, 0x99, 0xC7, 0x6F, 0x36, 0x63, 0x1C, 0x1C,
0xBF, 0x99, 0xC7, 0x6F, 0x36, 0x67, 0x7E, 0x1E, 0x8C, 0x99, 0x00, 0x63,
0x36, 0x67, 0x03, 0x02, 0x8C, 0x99, 0x00, 0x63, 0x36, 0x6F, 0x03, 0x06,
0x8C, 0x9F, 0x07, 0xE3, 0x37, 0x6B, 0x73, 0x1C, 0x8C, 0x99, 0x00, 0x63,
0x36, 0x7B, 0x63, 0x30, 0x8C, 0x99, 0x00, 0x63, 0x36, 0x73, 0x76, 0x33,
0x8C, 0x99, 0x07, 0x63, 0x36, 0x73, 0x3E, 0x1F, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x08, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x18, 0x3C, 0x28,
0x81, 0x03, 0x07, 0x1A, 0x16, 0x08, 0x18, 0x68, 0x41, 0x06, 0x05, 0x0E,
0x1E, 0x18, 0x18, 0x68, 0x41, 0x06, 0x07, 0x06, 0x1A, 0x08, 0x18, 0xD0,
0x40, 0x06, 0x05, 0x0A, 0x12, 0x18, 0x18, 0xD0, 0x80, 0x01, 0x0D, 0x12,
};

12
src/lmic_project_config.h Normal file
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// This sketch supports EU868 and US915
// The Arduino-LMIC library by MCCI Catena is set to US915,
// these settings have to be copied over the ones in the
// lmic_project_config.h file in the library,
// inside the project_config folder.
// Make sure only one of the following is defined (CFG_us915 or CFG_eu868)
#define CFG_us915 1
//#define CFG_eu868 1
#define CFG_sx1276_radio 1

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src/main.ino Normal file
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/*
Main module
# Modified by Kyle T. Gabriel to fix issue with incorrect GPS data for TTNMapper
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include "configuration.h"
#include <rom/rtc.h>
uint8_t txBuffer[9];
// Message counter, stored in RTC memory, survives deep sleep
RTC_DATA_ATTR uint32_t count = 0;
// -----------------------------------------------------------------------------
// Application
// -----------------------------------------------------------------------------
void send() {
char buffer[40];
snprintf(buffer, sizeof(buffer), "Latitude: %10.6f\n", gps_latitude());
screen_print(buffer);
snprintf(buffer, sizeof(buffer), "Longitude: %10.6f\n", gps_longitude());
screen_print(buffer);
snprintf(buffer, sizeof(buffer), "Error: %4.2fm\n", gps_hdop());
screen_print(buffer);
buildPacket(txBuffer);
#if LORAWAN_CONFIRMED_EVERY > 0
bool confirmed = (count % LORAWAN_CONFIRMED_EVERY == 0);
#else
bool confirmed = false;
#endif
ttn_cnt(count);
ttn_send(txBuffer, LORAWAN_PORT, confirmed);
count++;
}
void sleep() {
#if SLEEP_BETWEEN_MESSAGES
// Show the going to sleep message on the screen
char buffer[20];
snprintf(buffer, sizeof(buffer), "Sleeping in %3.1fs\n", (MESSAGE_TO_SLEEP_DELAY / 1000.0));
screen_print(buffer);
// Wait for MESSAGE_TO_SLEEP_DELAY millis to sleep
delay(MESSAGE_TO_SLEEP_DELAY);
// Turn off screen
screen_off();
// Set the user button to wake the board
sleep_interrupt(BUTTON_PIN, LOW);
// We sleep for the interval between messages minus the current millis
// this way we distribute the messages evenly every SEND_INTERVAL millis
uint32_t sleep_for = (millis() < SEND_INTERVAL) ? SEND_INTERVAL - millis() : SEND_INTERVAL;
sleep_millis(sleep_for);
#endif
}
void callback(uint8_t message) {
if (EV_JOINING == message) screen_print("Joining TTN...\n");
if (EV_JOINED == message) screen_print("TTN joined!\n");
if (EV_JOIN_FAILED == message) screen_print("TTN join failed\n");
if (EV_REJOIN_FAILED == message) screen_print("TTN rejoin failed\n");
if (EV_RESET == message) screen_print("Reset TTN connection\n");
if (EV_LINK_DEAD == message) screen_print("TTN link dead\n");
if (EV_ACK == message) screen_print("ACK received\n");
if (EV_PENDING == message) screen_print("Message discarded\n");
if (EV_QUEUED == message) screen_print("Message queued\n");
if (EV_TXCOMPLETE == message) {
screen_print("Message sent\n");
sleep();
}
if (EV_RESPONSE == message) {
screen_print("[TTN] Response: ");
size_t len = ttn_response_len();
uint8_t data[len];
ttn_response(data, len);
char buffer[6];
for (uint8_t i=0; i<len; i++) {
snprintf(buffer, sizeof(buffer), "%02X", data[i]);
screen_print(buffer);
}
screen_print("\n");
}
}
uint32_t get_count() {
return count;
}
void setup() {
// Debug
#ifdef DEBUG_PORT
DEBUG_PORT.begin(SERIAL_BAUD);
#endif
// Buttons & LED
pinMode(BUTTON_PIN, INPUT_PULLUP);
pinMode(LED_PIN, OUTPUT);
// Hello
DEBUG_MSG(APP_NAME " " APP_VERSION "\n");
// Display
screen_setup();
// Init GPS
gps_setup();
// Show logo on first boot
if (0 == count) {
screen_print(APP_NAME " " APP_VERSION, 0, 0);
screen_show_logo();
screen_update();
delay(LOGO_DELAY);
}
// TTN setup
if (!ttn_setup()) {
screen_print("[ERR] Radio module not found!\n");
delay(MESSAGE_TO_SLEEP_DELAY);
screen_off();
sleep_forever();
}
ttn_register(callback);
ttn_join();
ttn_sf(LORAWAN_SF);
ttn_adr(LORAWAN_ADR);
}
void loop() {
gps_loop();
ttn_loop();
screen_loop();
// Send every SEND_INTERVAL millis
static uint32_t last = 0;
static bool first = true;
if (0 == last || millis() - last > SEND_INTERVAL) {
if (0 < gps_hdop() && gps_hdop() < 50 && gps_latitude() != 0 && gps_longitude() != 0) {
last = millis();
first = false;
send();
} else {
if (first) {
screen_print("Waiting GPS lock\n");
first = false;
}
if (millis() > GPS_WAIT_FOR_LOCK) {
sleep();
}
}
}
}

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src/screen.ino Normal file
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/*
SSD1306 - Screen module
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include <Wire.h>
#include "SSD1306Wire.h"
#include "OLEDDisplay.h"
#include "images.h"
#include "fonts.h"
#define SCREEN_HEADER_HEIGHT 14
SSD1306Wire * display;
uint8_t _screen_line = SCREEN_HEADER_HEIGHT - 1;
void _screen_header() {
char buffer[20];
// Message count
snprintf(buffer, sizeof(buffer), "#%03d", get_count() % 1000);
display->setTextAlignment(TEXT_ALIGN_LEFT);
display->drawString(0, 2, buffer);
// Datetime
gps_time(buffer, sizeof(buffer));
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->drawString(display->getWidth()/2, 2, buffer);
// Satellite count
display->setTextAlignment(TEXT_ALIGN_RIGHT);
display->drawString(display->getWidth() - SATELLITE_IMAGE_WIDTH - 4, 2, itoa(gps_sats(), buffer, 10));
display->drawXbm(display->getWidth() - SATELLITE_IMAGE_WIDTH, 0, SATELLITE_IMAGE_WIDTH, SATELLITE_IMAGE_HEIGHT, SATELLITE_IMAGE);
}
void screen_show_logo() {
uint8_t x = (display->getWidth() - TTN_IMAGE_WIDTH) / 2;
uint8_t y = SCREEN_HEADER_HEIGHT + (display->getHeight() - SCREEN_HEADER_HEIGHT - TTN_IMAGE_HEIGHT) / 2 + 1;
display->drawXbm(x, y, TTN_IMAGE_WIDTH, TTN_IMAGE_HEIGHT, TTN_IMAGE);
}
void screen_off() {
display->displayOff();
}
void screen_on() {
display->displayOn();
}
void screen_clear() {
display->clear();
}
void screen_print(const char * text, uint8_t x, uint8_t y, uint8_t alignment) {
DEBUG_MSG(text);
display->setTextAlignment((OLEDDISPLAY_TEXT_ALIGNMENT) alignment);
display->drawString(x, y, text);
}
void screen_print(const char * text, uint8_t x, uint8_t y) {
screen_print(text, x, y, TEXT_ALIGN_LEFT);
}
void screen_print(const char * text) {
display->print(text);
if (_screen_line + 8 > display->getHeight()) {
// scroll
}
_screen_line += 8;
screen_loop();
}
void screen_update() {
display->display();
}
void screen_setup() {
// Display instance
display = new SSD1306Wire(OLED_ADDRESS, OLED_SDA, OLED_SCL);
display->init();
display->flipScreenVertically();
display->setFont(Custom_ArialMT_Plain_10);
// Scroll buffer
display->setLogBuffer(5, 30);
}
void screen_loop() {
display->clear();
_screen_header();
display->drawLogBuffer(0, SCREEN_HEADER_HEIGHT);
display->display();
}

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/*
Sleep module
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include <esp_sleep.h>
void sleep_interrupt(uint8_t gpio, uint8_t mode) {
esp_sleep_enable_ext0_wakeup((gpio_num_t) gpio, mode);
}
void sleep_interrupt_mask(uint64_t mask, uint8_t mode) {
esp_sleep_enable_ext1_wakeup(mask, (esp_sleep_ext1_wakeup_mode_t) mode);
}
void sleep_millis(uint64_t ms) {
esp_sleep_enable_timer_wakeup(ms * 1000);
esp_deep_sleep_start();
}
void sleep_seconds(uint32_t seconds) {
esp_sleep_enable_timer_wakeup(seconds * 1000000);
esp_deep_sleep_start();
}
void sleep_forever() {
esp_deep_sleep_start();
}

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src/ttn.ino Normal file
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/*
TTN module
Wrapper to use TTN with the LMIC library
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
This code requires the MCCI LoRaWAN LMIC library
by IBM, Matthis Kooijman, Terry Moore, ChaeHee Won, Frank Rose
https://github.com/mcci-catena/arduino-lmic
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include <hal/hal.h>
#include <SPI.h>
#include <vector>
#include "configuration.h"
#include "credentials.h"
// -----------------------------------------------------------------------------
// Globals
// -----------------------------------------------------------------------------
// LMIC GPIO configuration
const lmic_pinmap lmic_pins = {
.nss = NSS_GPIO,
.rxtx = LMIC_UNUSED_PIN,
.rst = RESET_GPIO,
.dio = {DIO0_GPIO, DIO1_GPIO, DIO2_GPIO},
};
#ifdef USE_ABP
// These callbacks are only used in over-the-air activation, so they are
// left empty here (we cannot leave them out completely unless
// DISABLE_JOIN is set in config.h, otherwise the linker will complain).
void os_getArtEui (u1_t* buf) { }
void os_getDevEui (u1_t* buf) { }
void os_getDevKey (u1_t* buf) { }
#endif
#ifdef USE_OTAA
void os_getArtEui (u1_t* buf) { memcpy_P(buf, APPEUI, 8); }
void os_getDevEui (u1_t* buf) { memcpy_P(buf, DEVEUI, 8); }
void os_getDevKey (u1_t* buf) { memcpy_P(buf, APPKEY, 16); }
#endif
std::vector<void(*)(uint8_t message)> _lmic_callbacks;
// -----------------------------------------------------------------------------
// Private methods
// -----------------------------------------------------------------------------
void _ttn_callback(uint8_t message) {
for (uint8_t i=0; i<_lmic_callbacks.size(); i++) {
(_lmic_callbacks[i])(message);
}
}
// LMIC library will call this method when an event is fired
void onEvent(ev_t event) {
if (EV_TXCOMPLETE == event) {
if (LMIC.txrxFlags & TXRX_ACK) {
_ttn_callback(EV_ACK);
}
if (LMIC.dataLen) {
_ttn_callback(EV_RESPONSE);
}
}
// Send message callbacks
_ttn_callback(event);
}
// -----------------------------------------------------------------------------
// Public methods
// -----------------------------------------------------------------------------
void ttn_register(void (*callback)(uint8_t message)) {
_lmic_callbacks.push_back(callback);
}
size_t ttn_response_len() {
return LMIC.dataLen;
}
void ttn_response(uint8_t * buffer, size_t len) {
for (uint8_t i = 0; i < LMIC.dataLen; i++) {
buffer[i] = LMIC.frame[LMIC.dataBeg + i];
}
}
bool ttn_setup() {
// SPI interface
SPI.begin(SCK_GPIO, MISO_GPIO, MOSI_GPIO, NSS_GPIO);
// LMIC init
return ( 1 == os_init_ex( (const void *) &lmic_pins ) );
}
void ttn_join() {
// Reset the MAC state. Session and pending data transfers will be discarded.
LMIC_reset();
#ifdef USE_ABP
// Set static session parameters. Instead of dynamically establishing a session
// by joining the network, precomputed session parameters are be provided.
uint8_t appskey[sizeof(APPSKEY)];
uint8_t nwkskey[sizeof(NWKSKEY)];
memcpy_P(appskey, APPSKEY, sizeof(APPSKEY));
memcpy_P(nwkskey, NWKSKEY, sizeof(NWKSKEY));
LMIC_setSession(0x1, DEVADDR, nwkskey, appskey);
#if defined(CFG_eu868)
// Set up the channels used by the Things Network, which corresponds
// to the defaults of most gateways. Without this, only three base
// channels from the LoRaWAN specification are used, which certainly
// works, so it is good for debugging, but can overload those
// frequencies, so be sure to configure the full frequency range of
// your network here (unless your network autoconfigures them).
// Setting up channels should happen after LMIC_setSession, as that
// configures the minimal channel set.
LMIC_setupChannel(0, 868100000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band
LMIC_setupChannel(1, 868300000, DR_RANGE_MAP(DR_SF12, DR_SF7B), BAND_CENTI); // g-band
LMIC_setupChannel(2, 868500000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band
LMIC_setupChannel(3, 867100000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band
LMIC_setupChannel(4, 867300000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band
LMIC_setupChannel(5, 867500000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band
LMIC_setupChannel(6, 867700000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band
LMIC_setupChannel(7, 867900000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band
LMIC_setupChannel(8, 868800000, DR_RANGE_MAP(DR_FSK, DR_FSK), BAND_MILLI); // g2-band
#elif defined(CFG_us915)
// NA-US channels 0-71 are configured automatically
// but only one group of 8 should (a subband) should be active
// TTN recommends the second sub band, 1 in a zero based count.
// https://github.com/TheThingsNetwork/gateway-conf/blob/master/US-global_conf.json
LMIC_selectSubBand(1);
#endif
// If using a mono-channel gateway disable all channels
// but the one the gateway is listening to
//LMIC_disableChannel(0);
//LMIC_disableChannel(1);
//LMIC_disableChannel(2);
//LMIC_disableChannel(3);
//LMIC_disableChannel(4);
//LMIC_disableChannel(5);
//LMIC_disableChannel(6);
//LMIC_disableChannel(7);
//LMIC_disableChannel(8);
// TTN defines an additional channel at 869.525Mhz using SF9 for class B
// devices' ping slots. LMIC does not have an easy way to define set this
// frequency and support for class B is spotty and untested, so this
// frequency is not configured here.
// Disable link check validation
LMIC_setLinkCheckMode(0);
// TTN uses SF9 for its RX2 window.
LMIC.dn2Dr = DR_SF9;
// Set default rate and transmit power for uplink (note: txpow seems to be ignored by the library)
LMIC_setDrTxpow(DR_SF7, 14);
// Trigger a false joined
_ttn_callback(EV_JOINED);
#endif // USE_ABP
}
void ttn_sf(unsigned char sf) {
LMIC_setDrTxpow(sf, 14);
}
void ttn_adr(bool enabled) {
LMIC_setAdrMode(enabled);
}
void ttn_cnt(unsigned char num) {
LMIC_setSeqnoUp(num);
}
void ttn_send(uint8_t * data, uint8_t port, bool confirmed){
// Check if there is not a current TX/RX job running
if (LMIC.opmode & OP_TXRXPEND) {
_ttn_callback(EV_PENDING);
return;
}
// Prepare upstream data transmission at the next possible time.
// Parameters are port, data, length, confirmed
LMIC_setTxData2(port, data, sizeof(data), confirmed ? 1 : 0);
_ttn_callback(EV_QUEUED);
}
void ttn_loop() {
os_runloop_once();
}