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Power cycling APM2.5 returns to default

Posted by Tobias Halldin on January 25, 2013 at 1:17pm

I have a problem when upgrading to the new 2.9 firmware.

When changing Stab_P to 0 for tuning.
After power cycling the APM it will load the default Stab_P = 4,5.

Have tried reflashed firmware on the APM 2.5, erased EEPROM but nothing.

Any thoughts on this ?

Best regards

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Replies

Tobias Halldin January 26, 2013 at 12:01pm

This picture below shows the values it takes when I have done a "erase" from the cli.

And when changing stab_p to 0 and pressing "Write Params" and then "Refresh Params" it takes the new values no problem.

But after disconnecting the USB to APM and connecting it again it takes the values from the first picture.

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