Greetings, copterers. I'm having a problem with the GPS on my ArduCopter. Apologies if this one is already answered somewhere. The short description is that the GPS search/lock only happens when I have the CLI open. Indoors it usually doesn't lock but sometimes it does. The red LED never even blinks when the APM is powered by the LiPo.Details:APM 1280MediaTek MT3329 GPS 10HzArduCopter 2.5.1, dowloaded as source, compiled with Arduino 1.0 on MacOSxSERIAL0_BAUD 115200SERUAL3_BAUD 9600Voltage on the rails of the AMP with LiPo power: 4.947VIn the CLI I get "GPS detected" but when I do test/GPS I get "Sorry, not 1280 compat."Note that I'm not using MissionPlanner. I'm using no GCS at all, in fact.Can anyone suggest where to start digging? Is there a serial port conflict (although I suspect it would be less conflict without the CLI compiled)?
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OK, I seem to have found a work-around. After powering up, the APM needs to be warm-booted (reset with the reset switch). Opening the CLI does this, and that seems to be why the GPS was working only in CLI mode. I'm not sure why it needs to be reset like this.
Also, darn if that reset switch isn't hard to reach with the way I've mounted the APM!
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Also, darn if that reset switch isn't hard to reach with the way I've mounted the APM!