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#include <Arduino.h>
#include <RadioLib.h>
#include <Wire.h>
#include <SparkFun_u-blox_GNSS_Arduino_Library.h>
// SX1278 has the following connections:
// NSS pin: 10
// DIO0 pin: 2
// RESET pin: 9
// DIO1 pin: 3
RFM96 radio = new Module(10, 2, 9, 3);
HardwareSerial SerialGNSS(PD6, PD5);
SFE_UBLOX_GNSS gnss;
long lastGnssPoll = 0;
static char letterize(int x) {
return (char) x + 65;
}
static char* get_mh(double lat, double lon, int size) {
static char locator[11];
double LON_F[]={20,2.0,0.083333,0.008333,0.0003472083333333333};
double LAT_F[]={10,1.0,0.0416665,0.004166,0.0001735833333333333};
int i;
lon += 180;
lat += 90;
if (size <= 0 || size > 10) size = 6;
size/=2; size*=2;
for (i = 0; i < size/2; i++){
if (i % 2 == 1) {
locator[i*2] = (char) (lon/LON_F[i] + '0');
locator[i*2+1] = (char) (lat/LAT_F[i] + '0');
} else {
locator[i*2] = letterize((int) (lon/LON_F[i]));
locator[i*2+1] = letterize((int) (lat/LAT_F[i]));
}
lon = fmod(lon, LON_F[i]);
lat = fmod(lat, LAT_F[i]);
}
locator[i*2]=0;
return locator;
}
void setup() {
Serial.begin(9600);
pinMode(LED_BUILTIN, OUTPUT);
Wire.begin();
SerialGNSS.begin(9600);
if (!gnss.begin(SerialGNSS)) {
while (true) {
Serial.println(F("Check GNSS"));
delay(4000);
}
}
//gnss.enableDebugging(); // Uncomment this line to enable helpful debug messages on Serial
Serial.print(F("Version: "));
byte versionHigh = gnss.getProtocolVersionHigh();
Serial.print(versionHigh);
Serial.print(".");
byte versionLow = gnss.getProtocolVersionLow();
Serial.println(versionLow);
#if 0
Serial.print(F("[RFM] Init "));
int state = radio.begin();
if (state == RADIOLIB_ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
// radio.setRfSwitchPins(4, 5);
#endif
}
void loop()
{
const auto now = millis();
if (now - lastGnssPoll > 1000) {
lastGnssPoll = now;
long latitude = gnss.getLatitude();
Serial.print(F("Lat: "));
Serial.print(latitude);
long longitude = gnss.getLongitude();
Serial.print(F(" Long: "));
Serial.print(longitude);
char* locator = get_mh((double)latitude/1e7, (double)longitude/1e7, 6);
Serial.print(F(" Loc: "));
Serial.print(locator);
long altitude = gnss.getAltitude();
Serial.print(F(" Alt: "));
Serial.print(altitude);
Serial.print(F(" (mm)"));
long speed = gnss.getGroundSpeed();
Serial.print(F(" Speed: "));
Serial.print(speed);
Serial.print(F(" (mm/s)"));
long heading = gnss.getHeading();
Serial.print(F(" Heading: "));
Serial.print(heading);
Serial.print(F(" (degrees * 10^-5)"));
byte SIV = gnss.getSIV();
Serial.print(F(" SIV: "));
Serial.print(SIV);
Serial.println();
}
}
void loop2()
{
digitalWrite(LED_BUILTIN, HIGH);
delay(1000);
Serial.print(F("[RFM] Transmitting packet ... "));
int state = radio.transmit("Hello World!");
if (state == RADIOLIB_ERR_NONE) {
Serial.println(F(" success!"));
Serial.print(F("[RFM] Datarate:\t"));
Serial.print(radio.getDataRate());
Serial.println(F(" bps"));
} else if (state == RADIOLIB_ERR_PACKET_TOO_LONG) {
Serial.println(F("too long!"));
} else if (state == RADIOLIB_ERR_TX_TIMEOUT) {
Serial.println(F("timeout!"));
} else {
Serial.print(F("failed, code "));
Serial.println(state);
}
digitalWrite(LED_BUILTIN, LOW);
delay(1000);
}
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