Revisions to tinygps abnormal behaviour with EM408 gps

Fixed spelling, syntax highlighting, added tags.

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edited Jul 29, 2019 at 13:31

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iI have arduino duemilanovean Arduino Duemilanove and em408.

#include <TinyGPS.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPS gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
  }
  
void loop()
{
  while (ss.available())
  {
    char c = byte(ss.read());
    // Here i tried Serial.write(c); and i succesully saw the NMEA data in my serial monitor
    if (gps.encode(c))
    {
      long lat, lon;
     unsigned long fix_age;
    gps.get_position(&lat, &lon, &fix_age);
    if (fix_age == TinyGPS::GPS_INVALID_AGE )
      Serial.println("No fix ever detected!");
    else if (fix_age > 2000)
      Serial.println("Data is getting STALE!");
    else
      Serial.println("Latitude and longitude valid!");
      
      Serial.print("Lat: "); 
      Serial.print(lat);
      Serial.print(" Lon: "); 
      Serial.println(lon);
      
    }
    else Serial.println("No data!");
  }
}

#include <TinyGPS.h>
#include <SoftwareSerial.h>

#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPS gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
  }
  
void loop()
{
  while (ss.available())
  {
    char c = byte(ss.read());
    // Here i tried Serial.write(c); and i succesully saw the NMEA data in my serial monitor
    if (gps.encode(c))
    {
      long lat, lon;
     unsigned long fix_age;
    gps.get_position(&lat, &lon, &fix_age);
    if (fix_age == TinyGPS::GPS_INVALID_AGE )
      Serial.println("No fix ever detected!");
    else if (fix_age > 2000)
      Serial.println("Data is getting STALE!");
    else
      Serial.println("Latitude and longitude valid!");
      
      Serial.print("Lat: "); 
      Serial.print(lat);
      Serial.print(" Lon: "); 
      Serial.println(lon);
      
    }
    else Serial.println("No data!");
  }
}

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Latitude and longitude valid!
Lat: 32758239
 Lon: 15637489
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Latitude and longitude valid!
Lat: 32758239
 Lon: 15637489
No data!
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No data!

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
  }

void loop()
{
  while (ss.available()>0)
  {
    char c = byte(ss.read());
    // Here i tried Serial.write(c); and i succesully saw the NMEA data in my serial monitor
    if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
    {
      Serial.print(F("Location: ")); 
  if (gps.location.isValid())
  {
    Serial.print(gps.location.lat(), 6);
    Serial.print(F(","));
    Serial.print(gps.location.lng(), 6);
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F("  Date/Time: "));
  if (gps.date.isValid())
  {
    Serial.print(gps.date.month());
    Serial.print(F("/"));
    Serial.print(gps.date.day());
    Serial.print(F("/"));
    Serial.print(gps.date.year());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F(" "));
  if (gps.time.isValid())
  {
    if (gps.time.hour() < 10) Serial.print(F("0"));
    Serial.print(gps.time.hour());
    Serial.print(F(":"));
    if (gps.time.minute() < 10) Serial.print(F("0"));
    Serial.print(gps.time.minute());
    Serial.print(F(":"));
    if (gps.time.second() < 10) Serial.print(F("0"));
    Serial.print(gps.time.second());
    Serial.print(F("."));
    if (gps.time.centisecond() < 10) Serial.print(F("0"));
    Serial.print(gps.time.centisecond());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.println();

    }
    else Serial.println("No data!");
  }
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
  }

void loop()
{
  while (ss.available()>0)
  {
    char c = byte(ss.read());
    // Here i tried Serial.write(c); and i succesully saw the NMEA data in my serial monitor
    if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
    {
      Serial.print(F("Location: ")); 
  if (gps.location.isValid())
  {
    Serial.print(gps.location.lat(), 6);
    Serial.print(F(","));
    Serial.print(gps.location.lng(), 6);
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F("  Date/Time: "));
  if (gps.date.isValid())
  {
    Serial.print(gps.date.month());
    Serial.print(F("/"));
    Serial.print(gps.date.day());
    Serial.print(F("/"));
    Serial.print(gps.date.year());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F(" "));
  if (gps.time.isValid())
  {
    if (gps.time.hour() < 10) Serial.print(F("0"));
    Serial.print(gps.time.hour());
    Serial.print(F(":"));
    if (gps.time.minute() < 10) Serial.print(F("0"));
    Serial.print(gps.time.minute());
    Serial.print(F(":"));
    if (gps.time.second() < 10) Serial.print(F("0"));
    Serial.print(gps.time.second());
    Serial.print(F("."));
    if (gps.time.centisecond() < 10) Serial.print(F("0"));
    Serial.print(gps.time.centisecond());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.println();

    }
    else Serial.println("No data!");
  }
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //send-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid == false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //send-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid == false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

i have arduino duemilanove and em408

#include <TinyGPS.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPS gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
  }
  
void loop()
{
  while (ss.available())
  {
    char c = byte(ss.read());
    // Here i tried Serial.write(c); and i succesully saw the NMEA data in my serial monitor
    if (gps.encode(c))
    {
      long lat, lon;
     unsigned long fix_age;
    gps.get_position(&lat, &lon, &fix_age);
    if (fix_age == TinyGPS::GPS_INVALID_AGE )
      Serial.println("No fix ever detected!");
    else if (fix_age > 2000)
      Serial.println("Data is getting STALE!");
    else
      Serial.println("Latitude and longitude valid!");
      
      Serial.print("Lat: "); 
      Serial.print(lat);
      Serial.print(" Lon: "); 
      Serial.println(lon);
      
    }
    else Serial.println("No data!");
  }
}

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No data!
Latitude and longitude valid!
Lat: 32758239
 Lon: 15637489
No data!
No data!
No data!
No data!
No data!
No data!
No data!

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
  }

void loop()
{
  while (ss.available()>0)
  {
    char c = byte(ss.read());
    // Here i tried Serial.write(c); and i succesully saw the NMEA data in my serial monitor
    if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
    {
      Serial.print(F("Location: ")); 
  if (gps.location.isValid())
  {
    Serial.print(gps.location.lat(), 6);
    Serial.print(F(","));
    Serial.print(gps.location.lng(), 6);
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F("  Date/Time: "));
  if (gps.date.isValid())
  {
    Serial.print(gps.date.month());
    Serial.print(F("/"));
    Serial.print(gps.date.day());
    Serial.print(F("/"));
    Serial.print(gps.date.year());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F(" "));
  if (gps.time.isValid())
  {
    if (gps.time.hour() < 10) Serial.print(F("0"));
    Serial.print(gps.time.hour());
    Serial.print(F(":"));
    if (gps.time.minute() < 10) Serial.print(F("0"));
    Serial.print(gps.time.minute());
    Serial.print(F(":"));
    if (gps.time.second() < 10) Serial.print(F("0"));
    Serial.print(gps.time.second());
    Serial.print(F("."));
    if (gps.time.centisecond() < 10) Serial.print(F("0"));
    Serial.print(gps.time.centisecond());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.println();

    }
    else Serial.println("No data!");
  }
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //send-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid == false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

I have an Arduino Duemilanove and em408.

#include <TinyGPS.h>
#include <SoftwareSerial.h>

#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPS gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
  }
  
void loop()
{
  while (ss.available())
  {
    char c = byte(ss.read());
    // Here i tried Serial.write(c); and i succesully saw the NMEA data in my serial monitor
    if (gps.encode(c))
    {
      long lat, lon;
     unsigned long fix_age;
    gps.get_position(&lat, &lon, &fix_age);
    if (fix_age == TinyGPS::GPS_INVALID_AGE )
      Serial.println("No fix ever detected!");
    else if (fix_age > 2000)
      Serial.println("Data is getting STALE!");
    else
      Serial.println("Latitude and longitude valid!");
      
      Serial.print("Lat: "); 
      Serial.print(lat);
      Serial.print(" Lon: "); 
      Serial.println(lon);
      
    }
    else Serial.println("No data!");
  }
}

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No data!
Latitude and longitude valid!
Lat: 32758239
 Lon: 15637489
No data!
No data!
No data!
No data!
No data!
No data!
No data!

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
  }

void loop()
{
  while (ss.available()>0)
  {
    char c = byte(ss.read());
    // Here i tried Serial.write(c); and i succesully saw the NMEA data in my serial monitor
    if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
    {
      Serial.print(F("Location: ")); 
  if (gps.location.isValid())
  {
    Serial.print(gps.location.lat(), 6);
    Serial.print(F(","));
    Serial.print(gps.location.lng(), 6);
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F("  Date/Time: "));
  if (gps.date.isValid())
  {
    Serial.print(gps.date.month());
    Serial.print(F("/"));
    Serial.print(gps.date.day());
    Serial.print(F("/"));
    Serial.print(gps.date.year());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F(" "));
  if (gps.time.isValid())
  {
    if (gps.time.hour() < 10) Serial.print(F("0"));
    Serial.print(gps.time.hour());
    Serial.print(F(":"));
    if (gps.time.minute() < 10) Serial.print(F("0"));
    Serial.print(gps.time.minute());
    Serial.print(F(":"));
    if (gps.time.second() < 10) Serial.print(F("0"));
    Serial.print(gps.time.second());
    Serial.print(F("."));
    if (gps.time.centisecond() < 10) Serial.print(F("0"));
    Serial.print(gps.time.centisecond());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.println();

    }
    else Serial.println("No data!");
  }
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //send-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid == false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

added 1 character in body

Source Link

edited Jun 17, 2014 at 8:40

user1584421

1.4k
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#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //send-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid === false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //send-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid = false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //send-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid == false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

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edited Jun 16, 2014 at 20:40

user1584421

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#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //callsmssend-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid = false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //callsms
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid = false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

#include <TinyGPS++.h>
#include <SoftwareSerial.h>


#define GPS_RX_PIN 2
#define GPS_TX_PIN 3

TinyGPSPlus gps;
SoftwareSerial ss(GPS_RX_PIN, GPS_TX_PIN);

void setup()
{
  Serial.begin(9600);
  ss.begin(4800); 
}

char clat[11];
char clng[11];

void loop()
{
    //if (buttons || tilt) {
    //if (buttons & BUTTON_SELECT) {
    
        bool isGpsLocationValid = false;
        do
        {  
            while (ss.available()>0)
            {
                char c = byte(ss.read());
                if (gps.encode(c)) //i previously used if(gps.encode(ss.read())); but no luck then
                {    
                    if (gps.location.isValid())
                    {
                        dtostrf(gps.location.lat(), 11, 6, clat);
                        dtostrf(gps.location.lng(), 11, 6, clng);
                        //send-print
                        //delay (just in case multiple bumps)
                        isGpsLocationValid = true;
                    }
                }   
             }
        } while (isGpsLocationValid = false);
        Serial.write(clat);
        Serial.println();
        Serial.write(clng);
       //}
    //}
}

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edited Jun 16, 2014 at 20:34

user1584421

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edited Jun 16, 2014 at 20:24

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edited Jun 16, 2014 at 20:13

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edited Jun 15, 2014 at 19:42

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edited Jun 13, 2014 at 12:19

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edited Jun 10, 2014 at 1:20

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edited Jun 10, 2014 at 1:08

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edited Jun 9, 2014 at 11:25

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