UKHAS Wiki

UK High Altitude Society

User Tools

Site Tools

Trace:
guides:ublox6

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
guides:ublox6 [2012/06/03 14:35] – upuguides:ublox6 [2016/09/08 14:52] (current) – Up upu
Line 7: Line 7:
 **WARNING : uBLOX 6 Chips are rated at 3.3v so you can't just plug this into an 5V Arduino board or a PC serial connection as these run at 5V.** **WARNING : uBLOX 6 Chips are rated at 3.3v so you can't just plug this into an 5V Arduino board or a PC serial connection as these run at 5V.**
  
-You can purchase a seperate level convertor from [[http://www.sparkfun.com/products/8745|Sparkfun]] or use a breakout with the integral level convertor available from [[http://ava.upuaut.net/store|HAB Supplies]].+You can purchase a seperate level converter from [[http://www.sparkfun.com/products/8745|Sparkfun]] or use a breakout with the integral level converter available from [[https://store.uputronics.com|Uputronics]].
  
-The MAX-6 Chip, Sarantel antenna and populated breakout boards can be purchased from [[http://ava.upuaut.net/store|HAB Supplies]].+The MAX-6 Chip, Sarantel antenna and populated breakout boards can be purchased from [[https://store.uputronics.com|Uputronics]].
  
 ===== Hardware ===== ===== Hardware =====
Line 15: Line 15:
 Unlike the Falcom FSA03 these units are just supplied as a standalone surface mount chip without an antenna. To use it you will need to use a breakout board/design your own board.  Unlike the Falcom FSA03 these units are just supplied as a standalone surface mount chip without an antenna. To use it you will need to use a breakout board/design your own board. 
  
-There are Eagle breakout boards designed by Upu with assistance from Darkside available on Github :   
  
-NEO-6 :\\  +If you want to integrate the units into your own design both modules and antennas are in [[https://www.dropbox.com/s/qytveix714ocw11/Ava.lbr|Ava.lbr]].
-[[https://github.com/Upuaut/Eagle-Libraries/tree/master/uBLOX%20NEO-6Q%20Breakout|https://github.com/Upuaut/Eagle-Libraries/tree/master/uBLOX%20NEO-6Q%20Breakout]] files :\\  +
-uBlox_NEO-6Q_Breakout.brd - Board with Sarantel Antenna\\ +
-uBlox_NEO-6Q_Breakout.sch \\ +
- +
-The board is designed to be use with the passive Sarantel quadrifilar helix antenna ([[http://www.spkecl.com/style/frame/templates8/product_detail.asp?lang=2&customer_id=617&name_id=18379&content_set=color_5&rid=19996&id=82626|Sarantel SR-1202]]). The chip does support active antennas but does not supply power to them.  +
- +
-MAX-6 :\\  +
-[[https://github.com/Upuaut/Eagle-Libraries/tree/master/MAX6%20Breakout|https://github.com/Upuaut/Eagle-Libraries/tree/master/MAX6%20Breakout]] files :\\  +
-max6_breakout.brd - Board with Sarantel Antenna\\ +
-max6_breakout.sch\\  +
-max6_breakout_1575AT43A40.brd - Board with Ceramic Chip Antenna\\  +
-max6_breakout_1575AT43A40.sch\\  +
-max6_breakout_lc.brd - As above but with 5v t0 3.3v Level Convertor on board.\\ +
-max6_breakout_lc.sch\\  +
- +
-NOTE : These libaries are in Eagle 6.1 Format so won't work with Eagle 5.X. \\  +
- +
-If you want to integrate the units into your own design both modules and antennas are in [[https://github.com/Upuaut/Eagle-Libraries/blob/master/ava.lbr|Ava.lbr]].+
          
  
Line 41: Line 22:
 All commands the same as the uBLOX5 documented by Jcoxon in the [[guides:falcom_fsa03|Falcom FSA03]] guide.The following code has been updated to reflect the changes to Software Serial in Arduino. The uBLOX 6 modules do seem particularly sensitive to timing issues on Software Serial therefore its recommended you use the hardware UARTS on the Arduino for the GPS. Tested in Arduino 1.0.1 : All commands the same as the uBLOX5 documented by Jcoxon in the [[guides:falcom_fsa03|Falcom FSA03]] guide.The following code has been updated to reflect the changes to Software Serial in Arduino. The uBLOX 6 modules do seem particularly sensitive to timing issues on Software Serial therefore its recommended you use the hardware UARTS on the Arduino for the GPS. Tested in Arduino 1.0.1 :
  
-<code>+<code c>
 /* /*
  GPS Level Convertor Board Test Script  GPS Level Convertor Board Test Script
Line 76: Line 57:
   Serial.println("Setting uBlox nav mode: ");   Serial.println("Setting uBlox nav mode: ");
   uint8_t setNav[] = {   uint8_t setNav[] = {
-    0xB5, 0x62, 0x06, 0x24, 0x24, 0x00, 0xFF, 0xFF, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10, 0x27, 0x00, 0x00, 0x05, 0x00, 0xFA, 0x00, 0xFA, 0x00, 0x64, 0x00, 0x2C, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0xDC                        };+    0xB5, 0x62, 0x06, 0x24, 0x24, 0x00, 0xFF, 0xFF, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10, 0x27, 0x00, 0x00,  
 +    0x05, 0x00, 0xFA, 0x00, 0xFA, 0x00, 0x64, 0x00, 0x2C, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  
 +    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0xDC };
   while(!gps_set_sucess)   while(!gps_set_sucess)
   {   {
Line 208: Line 191:
 } }
 </code> </code>
- 
 ===== Hardware Serial Configuration Example ===== ===== Hardware Serial Configuration Example =====
  
Line 219: Line 201:
 Connect UB6 5V on the board to 5V on the Arduino\\  Connect UB6 5V on the board to 5V on the Arduino\\ 
 Connect UB6 GND on the board to GND on the Arduino\\   Connect UB6 GND on the board to GND on the Arduino\\  
-Connect UB6 TX on the board to pin 1 TX\\  +Connect UB6 RX on the board to pin 1 TX\\  
-Connect UB6 RX on the board to pin 0 RX\\ +Connect UB6 TX on the board to pin 0 RX\\ 
 Connect UM232R pin DB0 to pin 4 on the Arduino\\  Connect UM232R pin DB0 to pin 4 on the Arduino\\ 
 Connect UM232R pin DB1 to pin 5 on the Arduino\\  Connect UM232R pin DB1 to pin 5 on the Arduino\\ 
 Connect UM232R pin GND to GND on the Arduino\\  Connect UM232R pin GND to GND on the Arduino\\ 
  
-<code>+<code c>
 /* /*
   GPS Level Convertor Board Test Script   GPS Level Convertor Board Test Script
   03/05/2012 2E0UPU   03/05/2012 2E0UPU
-  For use with the HAB Supplies Level Convertor Board 
-  http://ava.upuaut.net/store 
  
-  Initialise the GPS Module in Flight Mode and then echo's out the NMEA Data to the Software Serial.+  Initialise the GPS Module in Flight Mode and then echoes out the NMEA Data to the Software Serial.
    
   This example code is in the public domain.   This example code is in the public domain.
Line 255: Line 235:
   mySerial.println("Setting uBlox nav mode: ");   mySerial.println("Setting uBlox nav mode: ");
   uint8_t setNav[] = {   uint8_t setNav[] = {
-    0xB5, 0x62, 0x06, 0x24, 0x24, 0x00, 0xFF, 0xFF, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10, 0x27, 0x00, 0x00, 0x05, 0x00, 0xFA, 0x00, 0xFA, 0x00, 0x64, 0x00, 0x2C, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0xDC                      };+    0xB5, 0x62, 0x06, 0x24, 0x24, 0x00, 0xFF, 0xFF, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10, 0x27, 0x00, 0x00, 
 +    0x05, 0x00, 0xFA, 0x00, 0xFA, 0x00, 0x64, 0x00, 0x2C, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  
 +    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0xDC };
   while(!gps_set_sucess)   while(!gps_set_sucess)
   {   {
Line 412: Line 394:
 ==== Saving your settings ==== ==== Saving your settings ====
  
-As the FSA03 doesn't have any RAM or flash memory, its RAM must be buffered by a backup battery to retain settings or use external 1-Wire Flash. So long as the backup battery remains in place, you can can save your settings as per page 99 of the UBX protocol specification "Clear, Save and Load configurations". +As the uBLOX6 modules don't have any RAM or flash memory, its RAM must be buffered by a backup battery to retain settings or use external 1-Wire Flash module(see data sheets). As long as the backup battery remains in place, you can can save your settings as per page 99 of the UBX protocol specification "Clear, Save and Load configurations". 
  
 ===== Navigation data ===== ===== Navigation data =====
  
-By default, FSA03 modules are configured to output several NMEA sentences including GPRMC, GPGGA & GPVTG. Of these, GPGGA is the most useful for high altitute balloon applications as it contains altitude data. Un-necessary sentences can be disabled, see the [[guides:falcom_fsa03:#configuration|configuration]] section for more information.+By default, uBLOX6 modules are configured to output several NMEA sentences including GPRMC, GPGGA & GPVTG. Of these, GPGGA is the most useful for high altitute balloon applications as it contains altitude data. Un-necessary sentences can be disabled see previous code sample section for more information.
  
 ==== Polling the module ==== ==== Polling the module ====
  
-Ublox 6 based GPS modules implement a proprietary NMEA extension in the form of a polled sentence which reports all navigation parameters of interest (to us at least) in a single sentence when requested. Using this provides advantages in that you can request an update exactly when you need it, and you only need to parse one specific sentence to capture latitude, longitude, altitude, speed, course, etc. For those using a SoftwareSerial library, this method fixes the buffer overrun issues. +Ublox6 based GPS modules implement a proprietary NMEA extension in the form of a polled sentence which reports all navigation parameters of interest (to us at least) in a single sentence when requested. Using this provides advantages in that you can request an update exactly when you need it, and you only need to parse one specific sentence to capture latitude, longitude, altitude, speed, course, etc. For those using a SoftwareSerial library, this method fixes the buffer overrun issues. 
  
 To use the sentence firstly disable any GPS sentences which are currently switched on: To use the sentence firstly disable any GPS sentences which are currently switched on:
-<code c>+<code>
 Serial.println("$PUBX,40,GLL,0,0,0,0*5C"); Serial.println("$PUBX,40,GLL,0,0,0,0*5C");
 Serial.println("$PUBX,40,GGA,0,0,0,0*5A"); Serial.println("$PUBX,40,GGA,0,0,0,0*5A");
Line 467: Line 449:
 For details see page 52 of the UBX protocol specification "Proprietary Messages, UBX00". For details see page 52 of the UBX protocol specification "Proprietary Messages, UBX00".
  
 +You can use a modified version of the [[http://arduiniana.org/libraries/tinygps/|TinyGPS]] library to parse PUBX sentences – [[https://github.com/x-f/TinyGPS_UBX|TinyGPS_UBX]].
 ===== Images ====== ===== Images ======
  
Line 477: Line 459:
  
 {{:guides:crw_7240-500x500.png?400|}} {{:guides:crw_7240-500x500.png?400|}}
 +
 +
 +===== Troubleshooting =====
 +==== No Response From GPS ====
 +  * Check power, measure VCC and GND.
 +  * Run above scripts, check that you get SUCCESS on ACKs.
 +
 +==== No time updated or GPS fix ====
 +  * Hook up the module to a 3.3v FTDI with the corresponding wires (TX,RX,VCC,GND)
 +  * Start up uBlox u-center [[http://www.u-blox.com/en/evaluation-tools-a-software/u-center/u-center.html]]
guides/ublox6.1338734109.txt.gz · Last modified: 2012/06/03 14:35 by upu
Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki