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Permalink Reply by Daniel on June 13, 2012 at 4:06am

Downgrade your GPS firmware --> http://code.google.com/p/ardupilot/wiki/MediaTek

This will solve your problem

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Permalink Reply by Kate Alhola on June 30, 2012 at 3:06am

Is there some technical reason to not have MTK16 support on ? I just made this simple patch and it works.

Downgrade is not so attractive option, it is much more complicated than applying patch and it requires windows that is not so friendly for us, Mac and Linux users.

Index: arduimu.pde
===================================================================
--- arduimu.pde    (revision 201)
+++ arduimu.pde    (working copy)
@@ -31,7 +60,7 @@
 #define GPS_CONNECTION 0 // 0 for GPS pins, 1 for programming pins
 
 // GPS Type Selection - Note Ublox or MediaTek is recommended.  Support for NMEA is limited.
-#define GPS_PROTOCOL 4    // 1 - NMEA,  2 - EM406,  3 - Ublox, 4 -- MediaTek  
+#define GPS_PROTOCOL 5    // 1 - NMEA,  2 - EM406,  3 - Ublox, 4 -- MediaTek, 5 -- MegiaTek 1.6  
 
 // Enable Air Start uses Remove Before Fly flag - connection to pin 6 on ArduPilot
 #define ENABLE_AIR_START 0  //  1 if using airstart/groundstart signaling, 0 if not
@@ -89,6 +118,8 @@
 AP_GPS_UBLOX    GPS(&Serial);
 #elif GPS_PROTOCOL == 4
 AP_GPS_MTK        GPS(&Serial);
+#elif GPS_PROTOCOL == 5
+AP_GPS_MTK16        GPS(&Serial);
 #else
 # error Must define GPS_PROTOCOL with a valid value.
 #endif

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Permalink Reply by Guillaume on August 2, 2012 at 8:38am

Hi,

I did some work to make it working with last GPS firmware.

Attachments:

• Arduino.zip, 159 KB

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