NeoGPS Library configuration

Projects Programming
1

Hello everyone, I've been trying to make a project with arduino nano and Neo6 GPS sensor for a long time.
I need to get the speed written on oled screen, but the refresh rate is slow.
So I'm trying to enable only the VTG string inside the NMEAGPS_cfg.h file

//#define NMEAGPS_PARSE_GGA
//#define NMEAGPS_PARSE_GLL
//#define NMEAGPS_PARSE_GSA
//#define NMEAGPS_PARSE_GSV
//#define NMEAGPS_PARSE_GST
//#define NMEAGPS_PARSE_RMC
#define NMEAGPS_PARSE_VTG
//#define NMEAGPS_PARSE_ZDA'''

then defining the following

#define LAST_SENTENCE_IN_INTERVAL NMEAGPS::NMEA_VTG

recalling with

 while (gps.available( gpsPort )) {

     fix = gps.read();
   }
   if (fix.valid.speed) {
     Speedgps = (fix.speed_kph());

once the code has been reloaded on the arduino, however, the update speed does not change.
Can you please help me understand.

2

Thats to be expected.

You also need to change the GPSs update speed to make it update faster.

3

ondo you how much I have to put

const unsigned char UBLOX_INIT[] PROGMEM = {
  // Rate (pick one)
  //0xB5,0x62,0x06,0x08,0x06,0x00,0x64,0x00,0x01,0x00,0x01,0x00,0x7A,0x12, //(10Hz)
  //0xB5,0x62,0x06,0x08,0x06,0x00,0xC8,0x00,0x01,0x00,0x01,0x00,0xDE,0x6A, //(5Hz)
  0xB5,0x62,0x06,0x08,0x06,0x00,0xE8,0x03,0x01,0x00,0x01,0x00,0x01,0x39, //(1Hz)
4

Meaning ?

5

Sorry
In your opinion, how much I have to put

6

Default refresh rate is normally 1Hz.

So maybe try one of the other settings to see if its better ?

7

I tried all three frequencies but nothing changes

8

By default the Neo6 is set to "Portable" mode, if you use it in a car it is better to set it in "Automotive" mode.
Install U-certer 22.07 from the U-blox page to configure it.
You can change the mode in the "NAV5" tab of the "Configuration View".
Anyway the speed solution is not instantaneous, it takes a couple of seconds, you notice it when you stop the car.

9

Try it in U-Center as suggested.

10

:+1:

11

With U-Centre you can execute the appropriate configuration command and see the effect it has on the GPS output.

There is a window that shows the HEX of the command you are sending.

12

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