#include <SoftwareSerial.h> #include <TinyGPS.h> SoftwareSerial mySerial(2, 3); // RX, TX TinyGPS gps; void gpsdump(TinyGPS &gps); void printFloat(double f, int digits = 2); void setup() { // Open serial communications and wait for port to open: Serial.begin(9600); // set the data rate for the SoftwareSerial port mySerial.begin(9600); delay(1000); Serial.println("uBlox Neo 6M"); Serial.print("Testing TinyGPS library v. "); Serial.println(TinyGPS::library_version()); Serial.println("by Mikal Hart"); Serial.println(); Serial.print("Sizeof(gpsobject) = "); Serial.println(sizeof(TinyGPS)); Serial.println(); } void loop() // run over and over { bool newdata = false; unsigned long start = millis(); // Every 5 seconds we print an update while (millis() - start < 5000) { if (mySerial.available()) { char c = mySerial.read(); // Serial.print(c); // uncomment to see raw GPS data if (gps.encode(c)) { newdata = true; // break; // uncomment to print new data immediately! } } } if (newdata) { Serial.println("Acquired Data"); Serial.println("-------------"); gpsdump(gps); Serial.println("-------------"); Serial.println(); } } void gpsdump(TinyGPS &gps) { long lat, lon; float flat, flon; unsigned long age, date, time, chars; int year; byte month, day, hour, minute, second, hundredths; unsigned short sentences, failed; gps.get_position(&lat, &lon, &age); Serial.print("Lat/Long(10^-5 deg): "); Serial.print(lat); Serial.print(", "); Serial.print(lon); Serial.print(" Fix age: "); Serial.print(age); Serial.println("ms."); // On Arduino, GPS characters may be lost during lengthy Serial.print() // On Teensy, Serial prints to USB, which has large output buffering and // runs very fast, so it's not necessary to worry about missing 4800 // baud GPS characters. gps.f_get_position(&flat, &flon, &age); Serial.print("Lat/Long(float): "); printFloat(flat, 5); Serial.print(", "); printFloat(flon, 5); Serial.print(" Fix age: "); Serial.print(age); Serial.println("ms."); gps.get_datetime(&date, &time, &age); Serial.print("Date(ddmmyy): "); Serial.print(date); Serial.print(" Time(hhmmsscc): "); Serial.print(time); Serial.print(" Fix age: "); Serial.print(age); Serial.println("ms."); gps.crack_datetime(&year, &month, &day, &hour, &minute, &second, &hundredths, &age); Serial.print("Date: "); Serial.print(static_cast<int>(month)); Serial.print("/"); Serial.print(static_cast<int>(day)); Serial.print("/"); Serial.print(year); Serial.print(" Time: "); Serial.print(static_cast<int>(hour)); Serial.print(":"); Serial.print(static_cast<int>(minute)); Serial.print(":"); Serial.print(static_cast<int>(second)); Serial.print("."); Serial.print(static_cast<int>(hundredths)); Serial.print(" Fix age: "); Serial.print(age); Serial.println("ms."); Serial.print("Alt(cm): "); Serial.print(gps.altitude()); Serial.print(" Course(10^-2 deg): "); Serial.print(gps.course()); Serial.print(" Speed(10^-2 knots): "); Serial.println(gps.speed()); Serial.print("Alt(float): "); printFloat(gps.f_altitude()); Serial.print(" Course(float): "); printFloat(gps.f_course()); Serial.println(); Serial.print("Speed(knots): "); printFloat(gps.f_speed_knots()); Serial.print(" (mph): "); printFloat(gps.f_speed_mph()); Serial.print(" (mps): "); printFloat(gps.f_speed_mps()); Serial.print(" (kmph): "); printFloat(gps.f_speed_kmph()); Serial.println(); gps.stats(&chars, &sentences, &failed); Serial.print("Stats: characters: "); Serial.print(chars); Serial.print(" sentences: "); Serial.print(sentences); Serial.print(" failed checksum: "); Serial.println(failed); } void printFloat(double number, int digits) { // Handle negative numbers if (number < 0.0) { Serial.print('-'); number = -number; } // Round correctly so that print(1.999, 2) prints as "2.00" double rounding = 0.5; for (uint8_t i=0; i<digits; ++i) rounding /= 10.0; number += rounding; // Extract the integer part of the number and print it unsigned long int_part = (unsigned long)number; double remainder = number - (double)int_part; Serial.print(int_part); // Print the decimal point, but only if there are digits beyond if (digits > 0) Serial.print("."); // Extract digits from the remainder one at a time while (digits-- > 0) { remainder *= 10.0; int toPrint = int(remainder); Serial.print(toPrint); remainder -= toPrint; } }
#include <Adafruit_GPS.h> #include <SoftwareSerial.h> #define GPSECHO false Adafruit_GPS GPS( new SoftwareSerial(2,3 ) ); // RX, TX int usingInterrupt = 0; int timer= 0; int timeElapse =0; SIGNAL(TIMER0_COMPA_vect) { char c = GPS.read(); // if you want to debug, this is a good time to do it! #ifdef UDR0 if (GPSECHO) if (c) UDR0 = c; // writing direct to UDR0 is much much faster than Serial.print // but only one character can be written at a time. #endif } void useInterrupt(boolean v) { if (v) { // Timer0 is already used for millis() - we'll just interrupt somewhere // in the middle and call the "Compare A" function above OCR0A = 0xAF; TIMSK0 |= _BV(OCIE0A); usingInterrupt = true; } else { // do not call the interrupt function COMPA anymore TIMSK0 &= ~_BV(OCIE0A); usingInterrupt = false; } } void setup() { Serial.begin(9600); GPS.begin(9600); GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA); // uncomment this line to turn on only the "minimum recommended" data //GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY); // For parsing data, we don't suggest using anything but either RMC only or RMC+GGA since // the parser doesn't care about other sentences at this time // Set the update rate GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); // 1 Hz update rate // For the parsing code to work nicely and have time to sort thru the data, and // print it out we don't suggest using anything higher than 1 Hz // Request updates on antenna status, comment out to keep quiet GPS.sendCommand(PGCMD_ANTENNA); useInterrupt(true); } void loop() { // in case you are not using the interrupt above, you'll // need to 'hand query' the GPS, not suggested :( if (! usingInterrupt) { // read data from the GPS in the 'main loop' char c = GPS.read(); // if you want to debug, this is a good time to do it! if (GPSECHO) if (c) Serial.print(c); } // if a sentence is received, we can check the checksum, parse it... if (GPS.newNMEAreceived()) { // a tricky thing here is if we print the NMEA sentence, or data // we end up not listening and catching other sentences! // so be very wary if using OUTPUT_ALLDATA and trytng to print out data //Serial.println(GPS.lastNMEA()); // this also sets the newNMEAreceived() flag to false if (!GPS.parse(GPS.lastNMEA())) // this also sets the newNMEAreceived() flag to false return; // we can fail to parse a sentence in which case we should just wait for another }//수신받은 데이터를 파싱합니다. // if millis() or timer wraps around, we'll just reset it if (timer > millis()) timer = millis(); timeElapse = (millis() - timer); // approximately every 2 seconds or so, print out the current stats if ( timeElapse > 2000) { //2초가 지날때마다. timer = millis(); // reset the timer Serial.print("\nTime("); Serial.print( String(timeElapse) ); Serial.print("): "); Serial.print(GPS.hour, DEC); Serial.print(':'); Serial.print(GPS.minute, DEC); Serial.print(':'); Serial.print(GPS.seconds, DEC); Serial.print('.'); Serial.println(GPS.milliseconds); Serial.print("Date: "); Serial.print(GPS.day, DEC); Serial.print('/'); Serial.print(GPS.month, DEC); Serial.print("/20"); Serial.println(GPS.year, DEC); Serial.print("Fix: "); Serial.print((int)GPS.fix); Serial.print(" quality: "); Serial.println((int)GPS.fixquality); //수집된 시간 정보를 표시합니다. if (GPS.fix) {//조건이 만족이 되어 좌표값을 얻게 되었다면 이제 좌표값을 읽어들일 수 있습니다. Serial.print("Location: "); Serial.print(GPS.latitude, 4); Serial.print(GPS.lat); Serial.print(", "); Serial.print(GPS.longitude, 4); Serial.println(GPS.lon); Serial.print("Location (in degrees, works with Google Maps): "); Serial.print(GPS.latitudeDegrees, 4); Serial.print(", "); Serial.println(GPS.longitudeDegrees, 4); Serial.print("Speed (knots): "); Serial.println(GPS.speed); Serial.print("Angle: "); Serial.println(GPS.angle); Serial.print("Altitude: "); Serial.println(GPS.altitude); Serial.print("Satellites: "); Serial.println((int)GPS.satellites); } } }