Accsessing to HAL (imu and gps)

hi

i am diving into the Ardupilot code and i got a bit blocked on using the HAL library to get the attitude and gps data.

on some tutorial i have found it:

for the setup()

// Disable barometer to stop it corrupting bus
hal.gpio->pinMode(40, GPIO_OUTPUT);
h

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default PID settings

hi, i just reciver my new 3dr x8 arducopter, i got it flying for a few minutes but after i have messed around with the PID settings and others, the copter stoped working well.

now it is impossivle to control, the throttle works but i dont get any reac

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APM source code documentation

Hi everyone.

I wonder if there is a full documentation of the source code for APM2.

I have searched a lot through the new manuals, old ones ( the google code ), the code repostory, and this forum, but i didn't find anything like a full description of a

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