kopia lustrzana https://github.com/SQ9MDD/TTGO-T-Beam-LoRa-APRS
604 wiersze
17 KiB
C++
604 wiersze
17 KiB
C++
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// Arduino Tracker for LoRA APRS
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//
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// TTGO T-Beam includes GPS module + optional DHT22 (not yet DONE)
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//
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// can be used as tracker only, tracker plus weather reports (temperature and humidity) or weather reports station only
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//
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// updated from OE1ACM sketch by OE3CJB to enable WX data to be sent via LoRa APRS.
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// one package is with position and battery voltage
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// the next is with weather data in APRS format
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//
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// licensed under CC BY-NC-SA
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//
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// last update: 24.11.2018
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// modifications: select mode during compilation to select model
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// USER DATA - USE THESE LINES TO MODIFY YOUR PREFERENCES
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// Your Callsign
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String Tcall="OE3CJB-7"; //your Call Sign for normal position reports
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String wxTcall="OE3CJB-7"; //your Call Sign for weather reports
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// Your symbol table and symbol for position reports incl. battery voltage
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String sTable="/"; //Primer
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//String sTable="\"; //Alternativ
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// String sSymbol="_"; //symbol code Weather Station
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// String sSymbol=">"; //symbol code CAR
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String sSymbol="["; //symbol code RUNNER
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// String sSymbol="b"; //symbol code BICYCLE
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// String sSymbol="<"; //symbol code MOTORCYCLE
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// SEND_WX - if true the tracker sends WX reports - needs DHT22 connected at Pin 10
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// when FIXED_POSITION is false then it sends alternating normal position packets and weather report packets
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#define SEND_WX false
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// Your symbol table and symbol for weather reports
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String wxTable="/"; //Primer
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String wxSymbol="_"; //Symbol Code Weather Station
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// String wxSymbol="W"; //Symbol Code Weather Station/
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#define FIXED_POSITION false
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// set to true if you want to use fixed position (position defined below) instead, or to false if you want to use GPS data
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// also stops sending normal position reports when sending weather reports is active (SEND_WX true)
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#define LATITUDE "4813.62N" // please in APRS notation DDMM.mmN or DDMM.mmS used for FIXED_POSITION
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#define LONGITUDE "01539.85E" // please in APRS notation DDDMM.mmE or DDDMM.mmW used for FIXED_POSITION
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// ^^^^^LATITUDE and LONGITUDE only used when FIXED_POSITION is true
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// Tracker setting: use these lines to modify the tracker behaviour
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#define TXFREQ 433.775 // Transmit frequency in MHz
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#define TXdbmW 18 // Transmit power in dBm
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#define TXenablePA 0 // switch internal power amplifier on (1) or off (0)
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// Transmit intervall
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unsigned long nextTX = 60000L; // Send every 60 secs
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// unsigned long nextTX = 5000L; // Send every 5 secs - FOR TESTS ONLY - NO CONNECTION TO SERVER PLEASE!!!!
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// STOP EDITING from here on - except you know what you do :-)
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#define DEBUG false // used for debugging purposes , e.g. turning on special serial or display logging
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//Hardware definitions
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/* for feather32u4
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#define RFM95_CS 8
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#define RFM95_RST 4
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#define RFM95_INT 7
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*/
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//Variables for DHT22 temperature and humidity sensor
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int chk;
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float hum; //Stores humidity value
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float temp; //Stores temperature value
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//other global Variables
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String Textzeile1, Textzeile2;
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//PINs used for HW extensions
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// Pin for battery voltage -> bei T-Beam ADC1_CHANNEL_7
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// #define ANALOG_PIN_0 35 // connected to battery
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// Pins for GPS
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static const int RXPin = 15, TXPin = 12; // changed BG A3 A2
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static const uint32_t GPSBaud = 9600; //GPS
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const byte TX_en = 0;
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const byte RX_en = 0; //TX/RX enable 1W modul
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const byte TXLED = 14; //pin number for LED on TX Tracker
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// const byte GPSLED = 6; // pin gps & Heartbeat
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// const byte GPSLED1 = 9; // pin gps & Heartbeat
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// Pins for LoRa module
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const byte lora_PReset = 23; //pin where LoRa device reset line is connected
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const byte lora_PNSS = 18; //pin number where the NSS line for the LoRa device is connected.
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// pin 11 MOSI
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// pin 12 MISO
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// pin 13 SCLK
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// #define ModemConfig BG_RF95::Bw125Cr45Sf4096
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#define DHTPIN 10 // what pin we're connected to
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#define DHTTYPE DHT22 // DHT 22 (AM2302)
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// Variables and Constants
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String InputString = ""; //data on buff is copied to this string
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String Outputstring = "";
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String outString=""; //The new Output String with GPS Conversion RAW
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float BattVolts;
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#if (FIXED_POSITION)
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boolean wx = true;
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#else
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boolean wx = false;
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#endif
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//byte arrays
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byte lora_TXBUFF[128]; //buffer for packet to send
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//byte Variables
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byte lora_TXStart; //start of packet data in TXbuff
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byte lora_TXEnd; //end of packet data in TXbuff
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byte lora_FTXOK; //flag, set to 1 if TX OK
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byte lora_TXPacketType; //type number of packet to send
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byte lora_TXDestination; //destination address of packet to send
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byte lora_TXSource; //source address of packet received
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byte lora_FDeviceError; //flag, set to 1 if RFM98 device error
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byte lora_TXPacketL; //length of packet to send, includes source, destination and packet type.
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unsigned long lastTX = 0L;
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// Includes
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#include <Arduino.h>
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#include <Adafruit_Sensor.h>
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#include <SPI.h>
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#include <BG_RF95.h>
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// #include <string>
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#include <TinyGPS++.h>
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// #include <SoftwareSerial.h>
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#include <math.h>
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#include <DHT.h>
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#include <driver/adc.h>
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#include <Wire.h>
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#include <Adafruit_SSD1306.h>
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#include <splash.h>
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#include "xtest_bw.h"
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#include <Adafruit_GFX.h>
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#include <Adafruit_SPITFT.h>
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#include <Adafruit_SPITFT_Macros.h>
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#include <gfxfont.h>
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static void smartDelay(unsigned long);
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void recalcGPS(void);
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void sendpacket(void);
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void loraSend(byte, byte, byte, byte, byte, long, byte, float);
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void batt_read(void);
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void writedisplaytext(String, String, String, int);
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#if (SEND_WX)
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DHT dht(DHTPIN, DHTTYPE); // Initialize DHT sensor for normal 16mhz Arduino
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#endif
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// SoftwareSerial ss(RXPin, TXPin); // The serial connection to the GPS device
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HardwareSerial ss(1); // TTGO has HW serial
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TinyGPSPlus gps; // The TinyGPS++ object
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// checkRX
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uint8_t buf[BG_RF95_MAX_MESSAGE_LEN];
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uint8_t len = sizeof(buf);
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// Singleton instance of the radio driver
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BG_RF95 rf95(18, 26); // TTGO T-Beam has NSS @ Pin 18 and Interrupt IO @ Pin26
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// initialize OLED display
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#define OLED_RESET 4 // not used
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Adafruit_SSD1306 display(128, 64, &Wire, OLED_RESET);
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void setup()
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{
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pinMode(TXLED, OUTPUT);
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digitalWrite(TXLED, LOW);
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Serial.begin(115200);
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if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
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for(;;); // Don't proceed, loop forever
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}
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digitalWrite(TXLED, HIGH);
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writedisplaytext("Init:","Display OK!","",1000);
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digitalWrite(TXLED, LOW);
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Serial.println("Init: Display OK!");
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if (!rf95.init()) {
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// Serial.println("init failed");
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writedisplaytext("Init:","RF95 FAILED!",":-(",1000);
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Serial.println("Init: RF95 FAILED!");
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for(;;); // Don't proceed, loop forever
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}
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digitalWrite(TXLED, HIGH);
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writedisplaytext("Init:","RF95 OK!","",1000);
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digitalWrite(TXLED, LOW);
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Serial.println("Init: RF95 OK!");
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#if !(FIXED_POSITION)
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ss.begin(GPSBaud, SERIAL_8N1, 12, 15); //Startup HW serial for GPS
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#endif // #if !(FIXED_POSITION)
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digitalWrite(TXLED, HIGH);
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writedisplaytext("Init:","GPS Serial OK!","",1000);
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digitalWrite(TXLED, LOW);
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Serial.println("Init: GPS Serial OK!");
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adc1_config_width(ADC_WIDTH_BIT_12);
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adc1_config_channel_atten(ADC1_CHANNEL_7,ADC_ATTEN_DB_6);
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writedisplaytext("Init:","ADC OK!","",1000);
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Serial.println("Init: ADC OK!");
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rf95.setFrequency(433.775);
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rf95.setModemConfig(BG_RF95::Bw125Cr45Sf4096); // hard coded because of double definition
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// rf95.setModemConfig(ModemConfig); // das ist irgendwo doppelt definiert ???
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rf95.setTxPower(5);
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//rf95.printRegisters();
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//rf95.setPromiscuousbg();
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#if (SEND_WX)
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dht.begin(); // DHT22 initialisieren
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writedisplaytext("Init:","DHT OK!","",1000);
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Serial.println("Init: DHT OK!");
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#else //#if (SEND_WX)
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writedisplaytext("Init:","no DHT configuration","",1000);
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Serial.println("Init: no DHT configuration");
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#endif //#if (SEND_WX)
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digitalWrite(TXLED, HIGH);
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writedisplaytext("Init:","All DONE OK!",":-D",1000);
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digitalWrite(TXLED, LOW);
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Serial.println("Init: ALL DONE OK! :-D");
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writedisplaytext("","","",0);
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}
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// LOOP
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void loop()
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{
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#if DEBUG
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writedisplaytext("DEBUG","millis()",String(millis()),0);
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#endif
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//while(1) { if ( ss.available() ) Serial.write(ss.read());}
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#if !(FIXED_POSITION)
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// digitalWrite(GPSLED, HIGH);
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while (ss.available() > 0) {
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gps.encode(ss.read());
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}
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#endif // #if !(FIXED_POSITION)
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if (rf95.waitAvailableTimeout(100))
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{
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// Should be a reply message for us now
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if (rf95.recvAPRS(buf, &len))
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{
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// Serial.print("RX: ");
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// Serial.println((char*)buf);
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// Serial.print("RSSI: ");
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// Serial.println(rf95.lastRssi(), DEC);
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}
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}
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display.clearDisplay();
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display.setTextColor(WHITE);
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display.setTextSize(2);
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display.setCursor(0,0);
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display.println("LoRa-APRS");
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display.setTextSize(1);
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display.setCursor(0,36);
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display.print("LAT: ");
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display.println(String(gps.location.lat(),5));
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display.setCursor(0,46);
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display.print("LON: ");
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display.println(String(gps.location.lng(),5));
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display.setCursor(0,56);
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display.print("SPD: ");
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display.print(String(gps.speed.kmph(),1));
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display.print(" CRS: ");
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display.println(String(gps.course.deg(),0));
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display.display();
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smartDelay(1000);
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// digitalWrite(GPSLED, LOW);
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#if (FIXED_POSITION)
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// if (gps.location.isUpdated() || ( (lastTX+nextTX) <= millis() ) )
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if ( (lastTX+nextTX) <= millis() )
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#else
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if (gps.location.isValid() && ( (lastTX+nextTX) <= millis() ) )
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#endif
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{
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digitalWrite(TXLED, HIGH);
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sendpacket();
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writedisplaytext("State:","Packet sent!","",250);
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Serial.println("State: Packet sent!");
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digitalWrite(TXLED, LOW);
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} else {
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if ( (lastTX+nextTX*2) <= millis() )
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{
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digitalWrite(TXLED, HIGH);
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sendpacket();
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writedisplaytext("State:","Packet sent!","",250);
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Serial.println("State: Packet sent!");
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digitalWrite(TXLED, LOW);
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}
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}
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smartDelay(1000);
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#if !(FIXED_POSITION)
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if (millis() > 200000 && gps.charsProcessed() < 10)
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{
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writedisplaytext("Warning","No GPS Signal!","",1000);
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Serial.println("Warning: No GPS Signal!");
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}
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#endif
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}
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/////////////////////////////////////////////////////////////////////////////////////////
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// This custom version of delay() ensures that the gps object
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// is being "fed".
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static void smartDelay(unsigned long ms)
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{
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unsigned long start = millis();
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do
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{
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#if !(FIXED_POSITION)
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while (ss.available())
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gps.encode(ss.read());
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#endif
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} while (millis() - start < ms);
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}
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/////////////////////////////////////////////////////////////////////////////////////////
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//@APA Recalc GPS Position
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void recalcGPS(){
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String Ns, Ew, helper;
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float Tlat, Tlon;
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int Talt;
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float Lat;
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float Lon;
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#if !(FIXED_POSITION)
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Tlat=gps.location.lat();
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Tlon=gps.location.lng();
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Talt=gps.altitude.meters();
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if(Tlat<0) { Ns = "S"; } else { Ns = "N"; }
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if(Tlon<0) { Ew = "W"; } else { Ew = "E"; }
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if(Tlat < 0) { Tlat= -Tlat; }
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unsigned int Deg_Lat = Tlat;
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Lat = 100*(Deg_Lat) + (Tlat - Deg_Lat)*60;
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if(Tlon < 0) { Tlon= -Tlon; }
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unsigned int Deg_Lon = Tlon;
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Lon = 100*(Deg_Lon) + (Tlon - Deg_Lon)*60;
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#endif
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#if !(SEND_WX)
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outString = "";
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outString = (Tcall);
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outString += ">APRS:!";
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#if (FIXED_POSITION)
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outString += LATITUDE;
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#else
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if(Tlat<10) {outString += "0"; }
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outString += String(Lat,2);
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outString += Ns;
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#endif
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outString += wxTable;
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#if (FIXED_POSITION)
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outString += LONGITUDE;
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#else
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if(Tlon<100) {outString += "0"; }
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if(Tlon<10) {outString += "0"; }
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outString += String(Lon,2);
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outString += Ew;
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#endif
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outString += sSymbol;
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outString += " /A=";
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outString += Talt;
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outString += "m Batt=";
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outString += String(BattVolts,2);
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outString += ("V");
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#else
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if ( !wx ) { // create standard position string
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#if !(FIXED_POSITION)
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outString = "";
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outString = (Tcall);
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outString += ">APRS:!";
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if(Tlat<10) {outString += "0"; }
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outString += String(Lat,2);
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outString += Ns;
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outString += sTable;
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if(Tlon<100) {outString += "0"; }
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if(Tlon<10) {outString += "0"; }
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outString += String(Lon,2);
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outString += Ew;
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outString += sSymbol;
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outString += " /A=";
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outString += Talt;
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outString += "m Batt=";
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outString += String(BattVolts,2);
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outString += ("V");
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wx = true;
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#endif
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} else { // create weather report string
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hum = dht.readHumidity();
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// hum = 88.67;
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// temp = 50.23;
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temp = (dht.readTemperature() * 9/5) +32;
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outString = "";
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outString = (wxTcall);
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outString += ">APRS:!";
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#if (FIXED_POSITION)
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outString += LATITUDE;
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#else
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if(Tlat<10) {outString += "0"; }
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outString += String(Lat,2);
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outString += Ns;
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#endif
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outString += wxTable;
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#if (FIXED_POSITION)
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outString += LONGITUDE;
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#else
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if(Tlon<100) {outString += "0"; }
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if(Tlon<10) {outString += "0"; }
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outString += String(Lon,2);
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outString += Ew;
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#endif
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outString += wxSymbol;
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outString += ".../...g...t";
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if (temp < 0) { // negative Werte erstellen
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outString += "-";
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if(temp>-10) {outString += "0"; }
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temp = abs(temp);
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} else { // positive Werte erstellen
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if(temp<100) {outString += "0"; }
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if(temp<10) {outString += "0"; }
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}
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helper = String(temp,0);
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helper.trim();
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outString += helper;
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outString += "r...p...P...h";
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if(hum<10) {outString += "0"; }
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helper = String(hum,0);
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helper.trim();
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outString += helper;
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outString += "b......DHT22";
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#if !(FIXED_POSITION)
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wx = false;
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#endif
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}
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#endif
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}
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/////////////////////////////////////////////////////////////////////////////////////////
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void sendpacket()
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{
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batt_read();
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Outputstring = "";
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#if !(FIXED_POSITION)
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if ( gps.location.isValid() || gps.location.isUpdated() )
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{
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// digitalWrite(GPSLED, HIGH);
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//New System
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//recalcEncodedGPS();
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#endif
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recalcGPS(); //
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// digitalWrite(PLED1, HIGH);
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Outputstring =outString;
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loraSend(lora_TXStart, lora_TXEnd, 60, 255, 1, 10, TXdbmW, TXFREQ); //send the packet, data is in TXbuff from lora_TXStart to lora_TXEnd
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#if !(FIXED_POSITION)
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} else {
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Outputstring = (Tcall);
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Outputstring += " No GPS-Fix";
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Outputstring += " Batt=";
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Outputstring += String(BattVolts,2);
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Outputstring += ("V ");
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loraSend(lora_TXStart, lora_TXEnd, 60, 255, 1, 10, 5, TXFREQ); //send the packet, data is in TXbuff from lora_TXStart to lora_TXEnd
|
|
// digitalWrite(GPSLED, LOW);
|
|
}
|
|
#endif
|
|
|
|
// digitalWrite(PLED1, LOW);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////
|
|
void loraSend(byte lora_LTXStart, byte lora_LTXEnd, byte lora_LTXPacketType, byte lora_LTXDestination, byte lora_LTXSource, long lora_LTXTimeout, byte lora_LTXPower, float lora_FREQ)
|
|
{
|
|
byte i;
|
|
byte ltemp;
|
|
|
|
if (rf95.waitAvailableTimeout(100))
|
|
{
|
|
if (rf95.recvAPRS(buf, &len))
|
|
{
|
|
// Serial.print("RX before TX: ");
|
|
// Serial.println((char*)buf);
|
|
// Serial.print("RSSI: ");
|
|
// Serial.println(rf95.lastRssi(), DEC);
|
|
|
|
}
|
|
}
|
|
|
|
// time of last TX
|
|
lastTX = millis();
|
|
|
|
ltemp = Outputstring.length();
|
|
for (i = 0; i <= ltemp; i++)
|
|
{
|
|
lora_TXBUFF[i] = Outputstring.charAt(i);
|
|
}
|
|
|
|
i--;
|
|
lora_TXEnd = i;
|
|
lora_TXBUFF[i] ='\0';
|
|
|
|
// digitalWrite(PLED1, HIGH); //LED on during packet
|
|
|
|
rf95.setModemConfig(BG_RF95::Bw125Cr45Sf4096);
|
|
rf95.setFrequency(lora_FREQ);
|
|
rf95.setTxPower(lora_LTXPower);
|
|
|
|
// Serial.print(Outputstring);
|
|
// Serial.print(" len: ");
|
|
// Serial.println(strlen(lora_TXBUFF) );
|
|
|
|
//digitalWrite(RX_en, LOW); //RX lo
|
|
//digitalWrite(TX_en, HIGH); //TX HIGH
|
|
//rf95.sendAPRS(lora_TXBUFF, sizeof(lora_TXBUFF));
|
|
rf95.sendAPRS(lora_TXBUFF, Outputstring.length());
|
|
|
|
// rf95.sendAPRS(lora_TXBUFF, lora_TXBUFF.length());
|
|
rf95.waitPacketSent();
|
|
|
|
//digitalWrite(TX_en, LOW); //TX lo
|
|
//digitalWrite(RX_en,HIGH); //RX HIGH
|
|
|
|
|
|
|
|
|
|
// digitalWrite(PLED1, LOW);
|
|
|
|
}
|
|
///////////////////////////////////////////////////////////////////////////////////////
|
|
void batt_read()
|
|
{
|
|
//int BattRead = analogRead(ANALOG_PI);
|
|
int BattRead = adc1_get_raw(ADC1_CHANNEL_7);
|
|
//lora_TXBUFF[1] = (BattRead / 256); //MSB of battery volts
|
|
//lora_TXBUFF[0] = (BattRead - (lora_TXBUFF[1] * 256)); //LSB of battery volts
|
|
|
|
BattVolts = (BattRead * (2.2 / 4096.0));
|
|
|
|
//Serial.print("lora_TXBUFF[0] ");
|
|
//Serial.println(lora_TXBUFF[0]);
|
|
//Serial.print("lora_TXBUFF[1] ");
|
|
//Serial.println(lora_TXBUFF[1]);
|
|
//Serial.println("Battery ");
|
|
//Serial.print(BattVolts, 2);
|
|
//Serial.println("V");
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////
|
|
void writedisplaytext(String Line1, String Line2, String Line3, int warten)
|
|
{
|
|
display.clearDisplay();
|
|
display.setTextColor(WHITE);
|
|
display.setTextSize(2);
|
|
display.setCursor(0,0);
|
|
display.println("LoRa-APRS");
|
|
display.setTextSize(1);
|
|
display.setCursor(0,36);
|
|
display.println(Line1);
|
|
display.setCursor(0,46);
|
|
display.println(Line2);
|
|
display.setCursor(0,56);
|
|
display.println(Line3);
|
|
display.display();
|
|
smartDelay(warten);
|
|
}
|